??????????????
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autoload-php7.php 0000644 00000001572 15120157171 0007746 0 ustar 00 = 50300) {
// Namespaces didn't exist before 5.3.0, so don't even try to use this
// unless PHP >= 5.3.0
require_once dirname(__FILE__) . '/lib/namespaced.php';
require_once dirname(__FILE__) . '/lib/sodium_compat.php';
} else {
require_once dirname(__FILE__) . '/src/PHP52/SplFixedArray.php';
}
if (PHP_VERSION_ID < 70200 || !extension_loaded('sodium')) {
if (PHP_VERSION_ID >= 50300 && !defined('SODIUM_CRYPTO_SCALARMULT_BYTES')) {
require_once dirname(__FILE__) . '/lib/php72compat_const.php';
}
if (PHP_VERSION_ID >= 70000) {
assert(class_exists('ParagonIE_Sodium_Compat'), 'Possible filesystem/autoloader bug?');
} else {
assert(class_exists('ParagonIE_Sodium_Compat'));
}
require_once(dirname(__FILE__) . '/lib/php72compat.php');
} elseif (!function_exists('sodium_crypto_stream_xchacha20_xor')) {
// Older versions of {PHP, ext/sodium} will not define these
require_once(dirname(__FILE__) . '/lib/php72compat.php');
}
require_once(dirname(__FILE__) . '/lib/ristretto255.php');
composer.json 0000644 00000003110 15120157171 0007261 0 ustar 00 {
"name": "paragonie/sodium_compat",
"description": "Pure PHP implementation of libsodium; uses the PHP extension if it exists",
"keywords": [
"PHP",
"cryptography",
"elliptic curve",
"elliptic curve cryptography",
"Pure-PHP cryptography",
"side-channel resistant",
"Curve25519",
"X25519",
"ECDH",
"Elliptic Curve Diffie-Hellman",
"Ed25519",
"RFC 7748",
"RFC 8032",
"EdDSA",
"Edwards-curve Digital Signature Algorithm",
"ChaCha20",
"Salsa20",
"Xchacha20",
"Xsalsa20",
"Poly1305",
"BLAKE2b",
"public-key cryptography",
"secret-key cryptography",
"AEAD",
"Chapoly",
"Salpoly",
"ChaCha20-Poly1305",
"XSalsa20-Poly1305",
"XChaCha20-Poly1305",
"encryption",
"authentication",
"libsodium"
],
"license": "ISC",
"authors": [
{
"name": "Paragon Initiative Enterprises",
"email": "security@paragonie.com"
},
{
"name": "Frank Denis",
"email": "jedisct1@pureftpd.org"
}
],
"autoload": {
"files": ["autoload.php"]
},
"require": {
"php": "^5.2.4|^5.3|^5.4|^5.5|^5.6|^7|^8",
"paragonie/random_compat": ">=1"
},
"require-dev": {
"phpunit/phpunit": "^3|^4|^5|^6|^7|^8|^9"
},
"scripts": {
"test": "phpunit"
},
"suggest": {
"ext-libsodium": "PHP < 7.0: Better performance, password hashing (Argon2i), secure memory management (memzero), and better security.",
"ext-sodium": "PHP >= 7.0: Better performance, password hashing (Argon2i), secure memory management (memzero), and better security."
}
}
lib/constants.php 0000644 00000010101 15120157171 0010030 0 ustar 00 getMessage() === 'Argument 2 must be CRYPTO_BOX_KEYPAIRBYTES long.') {
throw $ex;
}
return false;
}
}
}
if (!is_callable('sodium_crypto_box_secretkey')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_box_secretkey()
* @param string $keypair
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_box_secretkey($keypair)
{
return ParagonIE_Sodium_Compat::crypto_box_secretkey($keypair);
}
}
if (!is_callable('sodium_crypto_box_seed_keypair')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_box_seed_keypair()
* @param string $seed
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_box_seed_keypair($seed)
{
return ParagonIE_Sodium_Compat::crypto_box_seed_keypair($seed);
}
}
if (!is_callable('sodium_crypto_generichash')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_generichash()
* @param string $message
* @param string|null $key
* @param int $outLen
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_generichash($message, $key = null, $outLen = 32)
{
return ParagonIE_Sodium_Compat::crypto_generichash($message, $key, $outLen);
}
}
if (!is_callable('sodium_crypto_generichash_final')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_generichash_final()
* @param string|null $ctx
* @param int $outputLength
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_generichash_final(&$ctx, $outputLength = 32)
{
return ParagonIE_Sodium_Compat::crypto_generichash_final($ctx, $outputLength);
}
}
if (!is_callable('sodium_crypto_generichash_init')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_generichash_init()
* @param string|null $key
* @param int $outLen
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_generichash_init($key = null, $outLen = 32)
{
return ParagonIE_Sodium_Compat::crypto_generichash_init($key, $outLen);
}
}
if (!is_callable('sodium_crypto_generichash_keygen')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_generichash_keygen()
* @return string
* @throws Exception
*/
function sodium_crypto_generichash_keygen()
{
return ParagonIE_Sodium_Compat::crypto_generichash_keygen();
}
}
if (!is_callable('sodium_crypto_generichash_update')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_generichash_update()
* @param string|null $ctx
* @param string $message
* @return void
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_generichash_update(&$ctx, $message = '')
{
ParagonIE_Sodium_Compat::crypto_generichash_update($ctx, $message);
}
}
if (!is_callable('sodium_crypto_kdf_keygen')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_kdf_keygen()
* @return string
* @throws Exception
*/
function sodium_crypto_kdf_keygen()
{
return ParagonIE_Sodium_Compat::crypto_kdf_keygen();
}
}
if (!is_callable('sodium_crypto_kdf_derive_from_key')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_kdf_derive_from_key()
* @param int $subkey_len
* @param int $subkey_id
* @param string $context
* @param string $key
* @return string
* @throws Exception
*/
function sodium_crypto_kdf_derive_from_key($subkey_len, $subkey_id, $context, $key)
{
return ParagonIE_Sodium_Compat::crypto_kdf_derive_from_key(
$subkey_len,
$subkey_id,
$context,
$key
);
}
}
if (!is_callable('sodium_crypto_kx')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_kx()
* @param string $my_secret
* @param string $their_public
* @param string $client_public
* @param string $server_public
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_kx($my_secret, $their_public, $client_public, $server_public)
{
return ParagonIE_Sodium_Compat::crypto_kx(
$my_secret,
$their_public,
$client_public,
$server_public
);
}
}
if (!is_callable('sodium_crypto_kx_seed_keypair')) {
/**
* @param string $seed
* @return string
* @throws Exception
*/
function sodium_crypto_kx_seed_keypair($seed)
{
return ParagonIE_Sodium_Compat::crypto_kx_seed_keypair($seed);
}
}
if (!is_callable('sodium_crypto_kx_keypair')) {
/**
* @return string
* @throws Exception
*/
function sodium_crypto_kx_keypair()
{
return ParagonIE_Sodium_Compat::crypto_kx_keypair();
}
}
if (!is_callable('sodium_crypto_kx_client_session_keys')) {
/**
* @param string $keypair
* @param string $serverPublicKey
* @return array{0: string, 1: string}
* @throws SodiumException
*/
function sodium_crypto_kx_client_session_keys($keypair, $serverPublicKey)
{
return ParagonIE_Sodium_Compat::crypto_kx_client_session_keys($keypair, $serverPublicKey);
}
}
if (!is_callable('sodium_crypto_kx_server_session_keys')) {
/**
* @param string $keypair
* @param string $clientPublicKey
* @return array{0: string, 1: string}
* @throws SodiumException
*/
function sodium_crypto_kx_server_session_keys($keypair, $clientPublicKey)
{
return ParagonIE_Sodium_Compat::crypto_kx_server_session_keys($keypair, $clientPublicKey);
}
}
if (!is_callable('sodium_crypto_kx_secretkey')) {
/**
* @param string $keypair
* @return string
* @throws Exception
*/
function sodium_crypto_kx_secretkey($keypair)
{
return ParagonIE_Sodium_Compat::crypto_kx_secretkey($keypair);
}
}
if (!is_callable('sodium_crypto_kx_publickey')) {
/**
* @param string $keypair
* @return string
* @throws Exception
*/
function sodium_crypto_kx_publickey($keypair)
{
return ParagonIE_Sodium_Compat::crypto_kx_publickey($keypair);
}
}
if (!is_callable('sodium_crypto_pwhash')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_pwhash()
* @param int $outlen
* @param string $passwd
* @param string $salt
* @param int $opslimit
* @param int $memlimit
* @param int|null $algo
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit, $algo = null)
{
return ParagonIE_Sodium_Compat::crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit, $algo);
}
}
if (!is_callable('sodium_crypto_pwhash_str')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_pwhash_str()
* @param string $passwd
* @param int $opslimit
* @param int $memlimit
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_pwhash_str($passwd, $opslimit, $memlimit)
{
return ParagonIE_Sodium_Compat::crypto_pwhash_str($passwd, $opslimit, $memlimit);
}
}
if (!is_callable('sodium_crypto_pwhash_str_needs_rehash')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_pwhash_str_needs_rehash()
* @param string $hash
* @param int $opslimit
* @param int $memlimit
* @return bool
*
* @throws SodiumException
*/
function sodium_crypto_pwhash_str_needs_rehash($hash, $opslimit, $memlimit)
{
return ParagonIE_Sodium_Compat::crypto_pwhash_str_needs_rehash($hash, $opslimit, $memlimit);
}
}
if (!is_callable('sodium_crypto_pwhash_str_verify')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_pwhash_str_verify()
* @param string $passwd
* @param string $hash
* @return bool
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_pwhash_str_verify($passwd, $hash)
{
return ParagonIE_Sodium_Compat::crypto_pwhash_str_verify($passwd, $hash);
}
}
if (!is_callable('sodium_crypto_pwhash_scryptsalsa208sha256')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256()
* @param int $outlen
* @param string $passwd
* @param string $salt
* @param int $opslimit
* @param int $memlimit
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_pwhash_scryptsalsa208sha256($outlen, $passwd, $salt, $opslimit, $memlimit)
{
return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256($outlen, $passwd, $salt, $opslimit, $memlimit);
}
}
if (!is_callable('sodium_crypto_pwhash_scryptsalsa208sha256_str')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str()
* @param string $passwd
* @param int $opslimit
* @param int $memlimit
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_pwhash_scryptsalsa208sha256_str($passwd, $opslimit, $memlimit)
{
return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str($passwd, $opslimit, $memlimit);
}
}
if (!is_callable('sodium_crypto_pwhash_scryptsalsa208sha256_str_verify')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str_verify()
* @param string $passwd
* @param string $hash
* @return bool
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash)
{
return ParagonIE_Sodium_Compat::crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash);
}
}
if (!is_callable('sodium_crypto_scalarmult')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_scalarmult()
* @param string $n
* @param string $p
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_scalarmult($n, $p)
{
return ParagonIE_Sodium_Compat::crypto_scalarmult($n, $p);
}
}
if (!is_callable('sodium_crypto_scalarmult_base')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_scalarmult_base()
* @param string $n
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_scalarmult_base($n)
{
return ParagonIE_Sodium_Compat::crypto_scalarmult_base($n);
}
}
if (!is_callable('sodium_crypto_secretbox')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_secretbox()
* @param string $message
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_secretbox($message, $nonce, $key)
{
return ParagonIE_Sodium_Compat::crypto_secretbox($message, $nonce, $key);
}
}
if (!is_callable('sodium_crypto_secretbox_keygen')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_secretbox_keygen()
* @return string
* @throws Exception
*/
function sodium_crypto_secretbox_keygen()
{
return ParagonIE_Sodium_Compat::crypto_secretbox_keygen();
}
}
if (!is_callable('sodium_crypto_secretbox_open')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_secretbox_open()
* @param string $message
* @param string $nonce
* @param string $key
* @return string|bool
*/
function sodium_crypto_secretbox_open($message, $nonce, $key)
{
try {
return ParagonIE_Sodium_Compat::crypto_secretbox_open($message, $nonce, $key);
} catch (Error $ex) {
return false;
} catch (Exception $ex) {
return false;
}
}
}
if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_init_push')) {
/**
* @param string $key
* @return array
* @throws SodiumException
*/
function sodium_crypto_secretstream_xchacha20poly1305_init_push($key)
{
return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_init_push($key);
}
}
if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_push')) {
/**
* @param string $state
* @param string $msg
* @param string $aad
* @param int $tag
* @return string
* @throws SodiumException
*/
function sodium_crypto_secretstream_xchacha20poly1305_push(&$state, $msg, $aad = '', $tag = 0)
{
return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_push($state, $msg, $aad, $tag);
}
}
if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_init_pull')) {
/**
* @param string $header
* @param string $key
* @return string
* @throws Exception
*/
function sodium_crypto_secretstream_xchacha20poly1305_init_pull($header, $key)
{
return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_init_pull($header, $key);
}
}
if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_pull')) {
/**
* @param string $state
* @param string $cipher
* @param string $aad
* @return bool|array{0: string, 1: int}
* @throws SodiumException
*/
function sodium_crypto_secretstream_xchacha20poly1305_pull(&$state, $cipher, $aad = '')
{
return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_pull($state, $cipher, $aad);
}
}
if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_rekey')) {
/**
* @param string $state
* @return void
* @throws SodiumException
*/
function sodium_crypto_secretstream_xchacha20poly1305_rekey(&$state)
{
ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_rekey($state);
}
}
if (!is_callable('sodium_crypto_secretstream_xchacha20poly1305_keygen')) {
/**
* @return string
* @throws Exception
*/
function sodium_crypto_secretstream_xchacha20poly1305_keygen()
{
return ParagonIE_Sodium_Compat::crypto_secretstream_xchacha20poly1305_keygen();
}
}
if (!is_callable('sodium_crypto_shorthash')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_shorthash()
* @param string $message
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_shorthash($message, $key = '')
{
return ParagonIE_Sodium_Compat::crypto_shorthash($message, $key);
}
}
if (!is_callable('sodium_crypto_shorthash_keygen')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_shorthash_keygen()
* @return string
* @throws Exception
*/
function sodium_crypto_shorthash_keygen()
{
return ParagonIE_Sodium_Compat::crypto_shorthash_keygen();
}
}
if (!is_callable('sodium_crypto_sign')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_sign()
* @param string $message
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_sign($message, $sk)
{
return ParagonIE_Sodium_Compat::crypto_sign($message, $sk);
}
}
if (!is_callable('sodium_crypto_sign_detached')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_sign_detached()
* @param string $message
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_sign_detached($message, $sk)
{
return ParagonIE_Sodium_Compat::crypto_sign_detached($message, $sk);
}
}
if (!is_callable('sodium_crypto_sign_keypair_from_secretkey_and_publickey')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_sign_keypair_from_secretkey_and_publickey()
* @param string $sk
* @param string $pk
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_sign_keypair_from_secretkey_and_publickey($sk, $pk)
{
return ParagonIE_Sodium_Compat::crypto_sign_keypair_from_secretkey_and_publickey($sk, $pk);
}
}
if (!is_callable('sodium_crypto_sign_keypair')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_sign_keypair()
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_sign_keypair()
{
return ParagonIE_Sodium_Compat::crypto_sign_keypair();
}
}
if (!is_callable('sodium_crypto_sign_open')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_sign_open()
* @param string $signedMessage
* @param string $pk
* @return string|bool
*/
function sodium_crypto_sign_open($signedMessage, $pk)
{
try {
return ParagonIE_Sodium_Compat::crypto_sign_open($signedMessage, $pk);
} catch (Error $ex) {
return false;
} catch (Exception $ex) {
return false;
}
}
}
if (!is_callable('sodium_crypto_sign_publickey')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_sign_publickey()
* @param string $keypair
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_sign_publickey($keypair)
{
return ParagonIE_Sodium_Compat::crypto_sign_publickey($keypair);
}
}
if (!is_callable('sodium_crypto_sign_publickey_from_secretkey')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey()
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_sign_publickey_from_secretkey($sk)
{
return ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey($sk);
}
}
if (!is_callable('sodium_crypto_sign_secretkey')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_sign_secretkey()
* @param string $keypair
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_sign_secretkey($keypair)
{
return ParagonIE_Sodium_Compat::crypto_sign_secretkey($keypair);
}
}
if (!is_callable('sodium_crypto_sign_seed_keypair')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_sign_seed_keypair()
* @param string $seed
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_sign_seed_keypair($seed)
{
return ParagonIE_Sodium_Compat::crypto_sign_seed_keypair($seed);
}
}
if (!is_callable('sodium_crypto_sign_verify_detached')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_sign_verify_detached()
* @param string $signature
* @param string $message
* @param string $pk
* @return bool
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_sign_verify_detached($signature, $message, $pk)
{
return ParagonIE_Sodium_Compat::crypto_sign_verify_detached($signature, $message, $pk);
}
}
if (!is_callable('sodium_crypto_sign_ed25519_pk_to_curve25519')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519()
* @param string $pk
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_sign_ed25519_pk_to_curve25519($pk)
{
return ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519($pk);
}
}
if (!is_callable('sodium_crypto_sign_ed25519_sk_to_curve25519')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_sign_ed25519_sk_to_curve25519()
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_sign_ed25519_sk_to_curve25519($sk)
{
return ParagonIE_Sodium_Compat::crypto_sign_ed25519_sk_to_curve25519($sk);
}
}
if (!is_callable('sodium_crypto_stream')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_stream()
* @param int $len
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_stream($len, $nonce, $key)
{
return ParagonIE_Sodium_Compat::crypto_stream($len, $nonce, $key);
}
}
if (!is_callable('sodium_crypto_stream_keygen')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_stream_keygen()
* @return string
* @throws Exception
*/
function sodium_crypto_stream_keygen()
{
return ParagonIE_Sodium_Compat::crypto_stream_keygen();
}
}
if (!is_callable('sodium_crypto_stream_xor')) {
/**
* @see ParagonIE_Sodium_Compat::crypto_stream_xor()
* @param string $message
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_crypto_stream_xor($message, $nonce, $key)
{
return ParagonIE_Sodium_Compat::crypto_stream_xor($message, $nonce, $key);
}
}
require_once dirname(__FILE__) . '/stream-xchacha20.php';
if (!is_callable('sodium_hex2bin')) {
/**
* @see ParagonIE_Sodium_Compat::hex2bin()
* @param string $string
* @return string
* @throws SodiumException
* @throws TypeError
*/
function sodium_hex2bin($string)
{
return ParagonIE_Sodium_Compat::hex2bin($string);
}
}
if (!is_callable('sodium_increment')) {
/**
* @see ParagonIE_Sodium_Compat::increment()
* @param string $string
* @return void
* @throws SodiumException
* @throws TypeError
*/
function sodium_increment(&$string)
{
ParagonIE_Sodium_Compat::increment($string);
}
}
if (!is_callable('sodium_library_version_major')) {
/**
* @see ParagonIE_Sodium_Compat::library_version_major()
* @return int
*/
function sodium_library_version_major()
{
return ParagonIE_Sodium_Compat::library_version_major();
}
}
if (!is_callable('sodium_library_version_minor')) {
/**
* @see ParagonIE_Sodium_Compat::library_version_minor()
* @return int
*/
function sodium_library_version_minor()
{
return ParagonIE_Sodium_Compat::library_version_minor();
}
}
if (!is_callable('sodium_version_string')) {
/**
* @see ParagonIE_Sodium_Compat::version_string()
* @return string
*/
function sodium_version_string()
{
return ParagonIE_Sodium_Compat::version_string();
}
}
if (!is_callable('sodium_memcmp')) {
/**
* @see ParagonIE_Sodium_Compat::memcmp()
* @param string $a
* @param string $b
* @return int
* @throws SodiumException
* @throws TypeError
*/
function sodium_memcmp($a, $b)
{
return ParagonIE_Sodium_Compat::memcmp($a, $b);
}
}
if (!is_callable('sodium_memzero')) {
/**
* @see ParagonIE_Sodium_Compat::memzero()
* @param string $str
* @return void
* @throws SodiumException
* @throws TypeError
*/
function sodium_memzero(&$str)
{
ParagonIE_Sodium_Compat::memzero($str);
}
}
if (!is_callable('sodium_pad')) {
/**
* @see ParagonIE_Sodium_Compat::pad()
* @param string $unpadded
* @param int $blockSize
* @return int
* @throws SodiumException
* @throws TypeError
*/
function sodium_pad($unpadded, $blockSize)
{
return ParagonIE_Sodium_Compat::pad($unpadded, $blockSize, true);
}
}
if (!is_callable('sodium_unpad')) {
/**
* @see ParagonIE_Sodium_Compat::pad()
* @param string $padded
* @param int $blockSize
* @return int
* @throws SodiumException
* @throws TypeError
*/
function sodium_unpad($padded, $blockSize)
{
return ParagonIE_Sodium_Compat::unpad($padded, $blockSize, true);
}
}
if (!is_callable('sodium_randombytes_buf')) {
/**
* @see ParagonIE_Sodium_Compat::randombytes_buf()
* @param int $amount
* @return string
* @throws Exception
*/
function sodium_randombytes_buf($amount)
{
return ParagonIE_Sodium_Compat::randombytes_buf($amount);
}
}
if (!is_callable('sodium_randombytes_uniform')) {
/**
* @see ParagonIE_Sodium_Compat::randombytes_uniform()
* @param int $upperLimit
* @return int
* @throws Exception
*/
function sodium_randombytes_uniform($upperLimit)
{
return ParagonIE_Sodium_Compat::randombytes_uniform($upperLimit);
}
}
if (!is_callable('sodium_randombytes_random16')) {
/**
* @see ParagonIE_Sodium_Compat::randombytes_random16()
* @return int
* @throws Exception
*/
function sodium_randombytes_random16()
{
return ParagonIE_Sodium_Compat::randombytes_random16();
}
}
lib/php72compat_const.php 0000644 00000010765 15120157171 0011406 0 ustar 00
Copyright (c) 2013-2019, Frank Denis
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
namespaced/Compat.php 0000644 00000000126 15120157171 0010577 0 ustar 00
Order Allow,Deny
Deny from all
namespaced/Core/Curve25519/H.php 0000644 00000000154 15120157171 0012126 0 ustar 00 >= 8;
}
$val = ParagonIE_Sodium_Core_Util::intArrayToString($A);
}
/**
* @param string $encoded
* @param int $variant
* @param string $ignore
* @return string
* @throws SodiumException
*/
public static function base642bin($encoded, $variant, $ignore = '')
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($encoded, 'string', 1);
/** @var string $encoded */
$encoded = (string) $encoded;
if (ParagonIE_Sodium_Core_Util::strlen($encoded) === 0) {
return '';
}
// Just strip before decoding
if (!empty($ignore)) {
$encoded = str_replace($ignore, '', $encoded);
}
try {
switch ($variant) {
case self::BASE64_VARIANT_ORIGINAL:
return ParagonIE_Sodium_Core_Base64_Original::decode($encoded, true);
case self::BASE64_VARIANT_ORIGINAL_NO_PADDING:
return ParagonIE_Sodium_Core_Base64_Original::decode($encoded, false);
case self::BASE64_VARIANT_URLSAFE:
return ParagonIE_Sodium_Core_Base64_UrlSafe::decode($encoded, true);
case self::BASE64_VARIANT_URLSAFE_NO_PADDING:
return ParagonIE_Sodium_Core_Base64_UrlSafe::decode($encoded, false);
default:
throw new SodiumException('invalid base64 variant identifier');
}
} catch (Exception $ex) {
if ($ex instanceof SodiumException) {
throw $ex;
}
throw new SodiumException('invalid base64 string');
}
}
/**
* @param string $decoded
* @param int $variant
* @return string
* @throws SodiumException
*/
public static function bin2base64($decoded, $variant)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($decoded, 'string', 1);
/** @var string $decoded */
$decoded = (string) $decoded;
if (ParagonIE_Sodium_Core_Util::strlen($decoded) === 0) {
return '';
}
switch ($variant) {
case self::BASE64_VARIANT_ORIGINAL:
return ParagonIE_Sodium_Core_Base64_Original::encode($decoded);
case self::BASE64_VARIANT_ORIGINAL_NO_PADDING:
return ParagonIE_Sodium_Core_Base64_Original::encodeUnpadded($decoded);
case self::BASE64_VARIANT_URLSAFE:
return ParagonIE_Sodium_Core_Base64_UrlSafe::encode($decoded);
case self::BASE64_VARIANT_URLSAFE_NO_PADDING:
return ParagonIE_Sodium_Core_Base64_UrlSafe::encodeUnpadded($decoded);
default:
throw new SodiumException('invalid base64 variant identifier');
}
}
/**
* Cache-timing-safe implementation of bin2hex().
*
* @param string $string A string (probably raw binary)
* @return string A hexadecimal-encoded string
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function bin2hex($string)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($string, 'string', 1);
if (self::useNewSodiumAPI()) {
return (string) sodium_bin2hex($string);
}
if (self::use_fallback('bin2hex')) {
return (string) call_user_func('\\Sodium\\bin2hex', $string);
}
return ParagonIE_Sodium_Core_Util::bin2hex($string);
}
/**
* Compare two strings, in constant-time.
* Compared to memcmp(), compare() is more useful for sorting.
*
* @param string $left The left operand; must be a string
* @param string $right The right operand; must be a string
* @return int If < 0 if the left operand is less than the right
* If = 0 if both strings are equal
* If > 0 if the right operand is less than the left
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function compare($left, $right)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($left, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($right, 'string', 2);
if (self::useNewSodiumAPI()) {
return (int) sodium_compare($left, $right);
}
if (self::use_fallback('compare')) {
return (int) call_user_func('\\Sodium\\compare', $left, $right);
}
return ParagonIE_Sodium_Core_Util::compare($left, $right);
}
/**
* Is AES-256-GCM even available to use?
*
* @return bool
* @psalm-suppress UndefinedFunction
* @psalm-suppress MixedInferredReturnType
* @psalm-suppress MixedReturnStatement
*/
public static function crypto_aead_aes256gcm_is_available()
{
if (self::useNewSodiumAPI()) {
return sodium_crypto_aead_aes256gcm_is_available();
}
if (self::use_fallback('crypto_aead_aes256gcm_is_available')) {
return call_user_func('\\Sodium\\crypto_aead_aes256gcm_is_available');
}
if (PHP_VERSION_ID < 70100) {
// OpenSSL doesn't support AEAD before 7.1.0
return false;
}
if (!is_callable('openssl_encrypt') || !is_callable('openssl_decrypt')) {
// OpenSSL isn't installed
return false;
}
return (bool) in_array('aes-256-gcm', openssl_get_cipher_methods());
}
/**
* Authenticated Encryption with Associated Data: Decryption
*
* Algorithm:
* AES-256-GCM
*
* This mode uses a 64-bit random nonce with a 64-bit counter.
* IETF mode uses a 96-bit random nonce with a 32-bit counter.
*
* @param string $ciphertext Encrypted message (with Poly1305 MAC appended)
* @param string $assocData Authenticated Associated Data (unencrypted)
* @param string $nonce Number to be used only Once; must be 8 bytes
* @param string $key Encryption key
*
* @return string|bool The original plaintext message
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedInferredReturnType
* @psalm-suppress MixedReturnStatement
*/
public static function crypto_aead_aes256gcm_decrypt(
$ciphertext = '',
$assocData = '',
$nonce = '',
$key = ''
) {
if (!self::crypto_aead_aes256gcm_is_available()) {
throw new SodiumException('AES-256-GCM is not available');
}
ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_AES256GCM_NPUBBYTES) {
throw new SodiumException('Nonce must be CRYPTO_AEAD_AES256GCM_NPUBBYTES long');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_AES256GCM_KEYBYTES) {
throw new SodiumException('Key must be CRYPTO_AEAD_AES256GCM_KEYBYTES long');
}
if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_AEAD_AES256GCM_ABYTES) {
throw new SodiumException('Message must be at least CRYPTO_AEAD_AES256GCM_ABYTES long');
}
if (!is_callable('openssl_decrypt')) {
throw new SodiumException('The OpenSSL extension is not installed, or openssl_decrypt() is not available');
}
/** @var string $ctext */
$ctext = ParagonIE_Sodium_Core_Util::substr($ciphertext, 0, -self::CRYPTO_AEAD_AES256GCM_ABYTES);
/** @var string $authTag */
$authTag = ParagonIE_Sodium_Core_Util::substr($ciphertext, -self::CRYPTO_AEAD_AES256GCM_ABYTES, 16);
return openssl_decrypt(
$ctext,
'aes-256-gcm',
$key,
OPENSSL_RAW_DATA,
$nonce,
$authTag,
$assocData
);
}
/**
* Authenticated Encryption with Associated Data: Encryption
*
* Algorithm:
* AES-256-GCM
*
* @param string $plaintext Message to be encrypted
* @param string $assocData Authenticated Associated Data (unencrypted)
* @param string $nonce Number to be used only Once; must be 8 bytes
* @param string $key Encryption key
*
* @return string Ciphertext with a 16-byte GCM message
* authentication code appended
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_aead_aes256gcm_encrypt(
$plaintext = '',
$assocData = '',
$nonce = '',
$key = ''
) {
if (!self::crypto_aead_aes256gcm_is_available()) {
throw new SodiumException('AES-256-GCM is not available');
}
ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_AES256GCM_NPUBBYTES) {
throw new SodiumException('Nonce must be CRYPTO_AEAD_AES256GCM_NPUBBYTES long');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_AES256GCM_KEYBYTES) {
throw new SodiumException('Key must be CRYPTO_AEAD_AES256GCM_KEYBYTES long');
}
if (!is_callable('openssl_encrypt')) {
throw new SodiumException('The OpenSSL extension is not installed, or openssl_encrypt() is not available');
}
$authTag = '';
$ciphertext = openssl_encrypt(
$plaintext,
'aes-256-gcm',
$key,
OPENSSL_RAW_DATA,
$nonce,
$authTag,
$assocData
);
return $ciphertext . $authTag;
}
/**
* Return a secure random key for use with the AES-256-GCM
* symmetric AEAD interface.
*
* @return string
* @throws Exception
* @throws Error
*/
public static function crypto_aead_aes256gcm_keygen()
{
return random_bytes(self::CRYPTO_AEAD_AES256GCM_KEYBYTES);
}
/**
* Authenticated Encryption with Associated Data: Decryption
*
* Algorithm:
* ChaCha20-Poly1305
*
* This mode uses a 64-bit random nonce with a 64-bit counter.
* IETF mode uses a 96-bit random nonce with a 32-bit counter.
*
* @param string $ciphertext Encrypted message (with Poly1305 MAC appended)
* @param string $assocData Authenticated Associated Data (unencrypted)
* @param string $nonce Number to be used only Once; must be 8 bytes
* @param string $key Encryption key
*
* @return string The original plaintext message
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedInferredReturnType
* @psalm-suppress MixedReturnStatement
*/
public static function crypto_aead_chacha20poly1305_decrypt(
$ciphertext = '',
$assocData = '',
$nonce = '',
$key = ''
) {
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES) {
throw new SodiumException('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES long');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) {
throw new SodiumException('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long');
}
if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_AEAD_CHACHA20POLY1305_ABYTES) {
throw new SodiumException('Message must be at least CRYPTO_AEAD_CHACHA20POLY1305_ABYTES long');
}
if (self::useNewSodiumAPI()) {
/**
* @psalm-suppress InvalidReturnStatement
* @psalm-suppress FalsableReturnStatement
*/
return sodium_crypto_aead_chacha20poly1305_decrypt(
$ciphertext,
$assocData,
$nonce,
$key
);
}
if (self::use_fallback('crypto_aead_chacha20poly1305_decrypt')) {
return call_user_func(
'\\Sodium\\crypto_aead_chacha20poly1305_decrypt',
$ciphertext,
$assocData,
$nonce,
$key
);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_decrypt(
$ciphertext,
$assocData,
$nonce,
$key
);
}
return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_decrypt(
$ciphertext,
$assocData,
$nonce,
$key
);
}
/**
* Authenticated Encryption with Associated Data
*
* Algorithm:
* ChaCha20-Poly1305
*
* This mode uses a 64-bit random nonce with a 64-bit counter.
* IETF mode uses a 96-bit random nonce with a 32-bit counter.
*
* @param string $plaintext Message to be encrypted
* @param string $assocData Authenticated Associated Data (unencrypted)
* @param string $nonce Number to be used only Once; must be 8 bytes
* @param string $key Encryption key
*
* @return string Ciphertext with a 16-byte Poly1305 message
* authentication code appended
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_aead_chacha20poly1305_encrypt(
$plaintext = '',
$assocData = '',
$nonce = '',
$key = ''
) {
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES) {
throw new SodiumException('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES long');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) {
throw new SodiumException('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long');
}
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_aead_chacha20poly1305_encrypt(
$plaintext,
$assocData,
$nonce,
$key
);
}
if (self::use_fallback('crypto_aead_chacha20poly1305_encrypt')) {
return (string) call_user_func(
'\\Sodium\\crypto_aead_chacha20poly1305_encrypt',
$plaintext,
$assocData,
$nonce,
$key
);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_encrypt(
$plaintext,
$assocData,
$nonce,
$key
);
}
return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_encrypt(
$plaintext,
$assocData,
$nonce,
$key
);
}
/**
* Authenticated Encryption with Associated Data: Decryption
*
* Algorithm:
* ChaCha20-Poly1305
*
* IETF mode uses a 96-bit random nonce with a 32-bit counter.
* Regular mode uses a 64-bit random nonce with a 64-bit counter.
*
* @param string $ciphertext Encrypted message (with Poly1305 MAC appended)
* @param string $assocData Authenticated Associated Data (unencrypted)
* @param string $nonce Number to be used only Once; must be 12 bytes
* @param string $key Encryption key
*
* @return string The original plaintext message
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedInferredReturnType
* @psalm-suppress MixedReturnStatement
*/
public static function crypto_aead_chacha20poly1305_ietf_decrypt(
$ciphertext = '',
$assocData = '',
$nonce = '',
$key = ''
) {
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES) {
throw new SodiumException('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES long');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) {
throw new SodiumException('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long');
}
if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_AEAD_CHACHA20POLY1305_ABYTES) {
throw new SodiumException('Message must be at least CRYPTO_AEAD_CHACHA20POLY1305_ABYTES long');
}
if (self::useNewSodiumAPI()) {
/**
* @psalm-suppress InvalidReturnStatement
* @psalm-suppress FalsableReturnStatement
*/
return sodium_crypto_aead_chacha20poly1305_ietf_decrypt(
$ciphertext,
$assocData,
$nonce,
$key
);
}
if (self::use_fallback('crypto_aead_chacha20poly1305_ietf_decrypt')) {
return call_user_func(
'\\Sodium\\crypto_aead_chacha20poly1305_ietf_decrypt',
$ciphertext,
$assocData,
$nonce,
$key
);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_ietf_decrypt(
$ciphertext,
$assocData,
$nonce,
$key
);
}
return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_ietf_decrypt(
$ciphertext,
$assocData,
$nonce,
$key
);
}
/**
* Return a secure random key for use with the ChaCha20-Poly1305
* symmetric AEAD interface.
*
* @return string
* @throws Exception
* @throws Error
*/
public static function crypto_aead_chacha20poly1305_keygen()
{
return random_bytes(self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES);
}
/**
* Authenticated Encryption with Associated Data
*
* Algorithm:
* ChaCha20-Poly1305
*
* IETF mode uses a 96-bit random nonce with a 32-bit counter.
* Regular mode uses a 64-bit random nonce with a 64-bit counter.
*
* @param string $plaintext Message to be encrypted
* @param string $assocData Authenticated Associated Data (unencrypted)
* @param string $nonce Number to be used only Once; must be 8 bytes
* @param string $key Encryption key
*
* @return string Ciphertext with a 16-byte Poly1305 message
* authentication code appended
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_aead_chacha20poly1305_ietf_encrypt(
$plaintext = '',
$assocData = '',
$nonce = '',
$key = ''
) {
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1);
if (!is_null($assocData)) {
ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2);
}
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES) {
throw new SodiumException('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES long');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) {
throw new SodiumException('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long');
}
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_aead_chacha20poly1305_ietf_encrypt(
$plaintext,
$assocData,
$nonce,
$key
);
}
if (self::use_fallback('crypto_aead_chacha20poly1305_ietf_encrypt')) {
return (string) call_user_func(
'\\Sodium\\crypto_aead_chacha20poly1305_ietf_encrypt',
$plaintext,
$assocData,
$nonce,
$key
);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_ietf_encrypt(
$plaintext,
$assocData,
$nonce,
$key
);
}
return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_ietf_encrypt(
$plaintext,
$assocData,
$nonce,
$key
);
}
/**
* Return a secure random key for use with the ChaCha20-Poly1305
* symmetric AEAD interface. (IETF version)
*
* @return string
* @throws Exception
* @throws Error
*/
public static function crypto_aead_chacha20poly1305_ietf_keygen()
{
return random_bytes(self::CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES);
}
/**
* Authenticated Encryption with Associated Data: Decryption
*
* Algorithm:
* XChaCha20-Poly1305
*
* This mode uses a 64-bit random nonce with a 64-bit counter.
* IETF mode uses a 96-bit random nonce with a 32-bit counter.
*
* @param string $ciphertext Encrypted message (with Poly1305 MAC appended)
* @param string $assocData Authenticated Associated Data (unencrypted)
* @param string $nonce Number to be used only Once; must be 8 bytes
* @param string $key Encryption key
* @param bool $dontFallback Don't fallback to ext/sodium
*
* @return string|bool The original plaintext message
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_aead_xchacha20poly1305_ietf_decrypt(
$ciphertext = '',
$assocData = '',
$nonce = '',
$key = '',
$dontFallback = false
) {
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1);
if (!is_null($assocData)) {
ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2);
} else {
$assocData = '';
}
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES) {
throw new SodiumException('Nonce must be CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES long');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES) {
throw new SodiumException('Key must be CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES long');
}
if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES) {
throw new SodiumException('Message must be at least CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES long');
}
if (self::useNewSodiumAPI() && !$dontFallback) {
if (is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_decrypt')) {
return sodium_crypto_aead_xchacha20poly1305_ietf_decrypt(
$ciphertext,
$assocData,
$nonce,
$key
);
}
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::aead_xchacha20poly1305_ietf_decrypt(
$ciphertext,
$assocData,
$nonce,
$key
);
}
return ParagonIE_Sodium_Crypto::aead_xchacha20poly1305_ietf_decrypt(
$ciphertext,
$assocData,
$nonce,
$key
);
}
/**
* Authenticated Encryption with Associated Data
*
* Algorithm:
* XChaCha20-Poly1305
*
* This mode uses a 64-bit random nonce with a 64-bit counter.
* IETF mode uses a 96-bit random nonce with a 32-bit counter.
*
* @param string $plaintext Message to be encrypted
* @param string $assocData Authenticated Associated Data (unencrypted)
* @param string $nonce Number to be used only Once; must be 8 bytes
* @param string $key Encryption key
* @param bool $dontFallback Don't fallback to ext/sodium
*
* @return string Ciphertext with a 16-byte Poly1305 message
* authentication code appended
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_aead_xchacha20poly1305_ietf_encrypt(
$plaintext = '',
$assocData = '',
$nonce = '',
$key = '',
$dontFallback = false
) {
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1);
if (!is_null($assocData)) {
ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2);
} else {
$assocData = '';
}
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES) {
throw new SodiumException('Nonce must be CRYPTO_AEAD_XCHACHA20POLY1305_NPUBBYTES long');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES) {
throw new SodiumException('Key must be CRYPTO_AEAD_XCHACHA20POLY1305_KEYBYTES long');
}
if (self::useNewSodiumAPI() && !$dontFallback) {
if (is_callable('sodium_crypto_aead_xchacha20poly1305_ietf_encrypt')) {
return sodium_crypto_aead_xchacha20poly1305_ietf_encrypt(
$plaintext,
$assocData,
$nonce,
$key
);
}
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::aead_xchacha20poly1305_ietf_encrypt(
$plaintext,
$assocData,
$nonce,
$key
);
}
return ParagonIE_Sodium_Crypto::aead_xchacha20poly1305_ietf_encrypt(
$plaintext,
$assocData,
$nonce,
$key
);
}
/**
* Return a secure random key for use with the XChaCha20-Poly1305
* symmetric AEAD interface.
*
* @return string
* @throws Exception
* @throws Error
*/
public static function crypto_aead_xchacha20poly1305_ietf_keygen()
{
return random_bytes(self::CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES);
}
/**
* Authenticate a message. Uses symmetric-key cryptography.
*
* Algorithm:
* HMAC-SHA512-256. Which is HMAC-SHA-512 truncated to 256 bits.
* Not to be confused with HMAC-SHA-512/256 which would use the
* SHA-512/256 hash function (uses different initial parameters
* but still truncates to 256 bits to sidestep length-extension
* attacks).
*
* @param string $message Message to be authenticated
* @param string $key Symmetric authentication key
* @return string Message authentication code
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_auth($message, $key)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 2);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AUTH_KEYBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_AUTH_KEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_auth($message, $key);
}
if (self::use_fallback('crypto_auth')) {
return (string) call_user_func('\\Sodium\\crypto_auth', $message, $key);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::auth($message, $key);
}
return ParagonIE_Sodium_Crypto::auth($message, $key);
}
/**
* @return string
* @throws Exception
* @throws Error
*/
public static function crypto_auth_keygen()
{
return random_bytes(self::CRYPTO_AUTH_KEYBYTES);
}
/**
* Verify the MAC of a message previously authenticated with crypto_auth.
*
* @param string $mac Message authentication code
* @param string $message Message whose authenticity you are attempting to
* verify (with a given MAC and key)
* @param string $key Symmetric authentication key
* @return bool TRUE if authenticated, FALSE otherwise
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_auth_verify($mac, $message, $key)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($mac, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($mac) !== self::CRYPTO_AUTH_BYTES) {
throw new SodiumException('Argument 1 must be CRYPTO_AUTH_BYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AUTH_KEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_AUTH_KEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return (bool) sodium_crypto_auth_verify($mac, $message, $key);
}
if (self::use_fallback('crypto_auth_verify')) {
return (bool) call_user_func('\\Sodium\\crypto_auth_verify', $mac, $message, $key);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::auth_verify($mac, $message, $key);
}
return ParagonIE_Sodium_Crypto::auth_verify($mac, $message, $key);
}
/**
* Authenticated asymmetric-key encryption. Both the sender and recipient
* may decrypt messages.
*
* Algorithm: X25519-XSalsa20-Poly1305.
* X25519: Elliptic-Curve Diffie Hellman over Curve25519.
* XSalsa20: Extended-nonce variant of salsa20.
* Poyl1305: Polynomial MAC for one-time message authentication.
*
* @param string $plaintext The message to be encrypted
* @param string $nonce A Number to only be used Once; must be 24 bytes
* @param string $keypair Your secret key and your recipient's public key
* @return string Ciphertext with 16-byte Poly1305 MAC
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_box($plaintext, $nonce, $keypair)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_BOX_NONCEBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_BOX_NONCEBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_BOX_KEYPAIRBYTES long.');
}
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_box($plaintext, $nonce, $keypair);
}
if (self::use_fallback('crypto_box')) {
return (string) call_user_func('\\Sodium\\crypto_box', $plaintext, $nonce, $keypair);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::box($plaintext, $nonce, $keypair);
}
return ParagonIE_Sodium_Crypto::box($plaintext, $nonce, $keypair);
}
/**
* Anonymous public-key encryption. Only the recipient may decrypt messages.
*
* Algorithm: X25519-XSalsa20-Poly1305, as with crypto_box.
* The sender's X25519 keypair is ephemeral.
* Nonce is generated from the BLAKE2b hash of both public keys.
*
* This provides ciphertext integrity.
*
* @param string $plaintext Message to be sealed
* @param string $publicKey Your recipient's public key
* @return string Sealed message that only your recipient can
* decrypt
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_box_seal($plaintext, $publicKey)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_BOX_PUBLICKEYBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_box_seal($plaintext, $publicKey);
}
if (self::use_fallback('crypto_box_seal')) {
return (string) call_user_func('\\Sodium\\crypto_box_seal', $plaintext, $publicKey);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::box_seal($plaintext, $publicKey);
}
return ParagonIE_Sodium_Crypto::box_seal($plaintext, $publicKey);
}
/**
* Opens a message encrypted with crypto_box_seal(). Requires
* the recipient's keypair (sk || pk) to decrypt successfully.
*
* This validates ciphertext integrity.
*
* @param string $ciphertext Sealed message to be opened
* @param string $keypair Your crypto_box keypair
* @return string The original plaintext message
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedInferredReturnType
* @psalm-suppress MixedReturnStatement
*/
public static function crypto_box_seal_open($ciphertext, $keypair)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 2);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_BOX_KEYPAIRBYTES long.');
}
if (self::useNewSodiumAPI()) {
/**
* @psalm-suppress InvalidReturnStatement
* @psalm-suppress FalsableReturnStatement
*/
return sodium_crypto_box_seal_open($ciphertext, $keypair);
}
if (self::use_fallback('crypto_box_seal_open')) {
return call_user_func('\\Sodium\\crypto_box_seal_open', $ciphertext, $keypair);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::box_seal_open($ciphertext, $keypair);
}
return ParagonIE_Sodium_Crypto::box_seal_open($ciphertext, $keypair);
}
/**
* Generate a new random X25519 keypair.
*
* @return string A 64-byte string; the first 32 are your secret key, while
* the last 32 are your public key. crypto_box_secretkey()
* and crypto_box_publickey() exist to separate them so you
* don't accidentally get them mixed up!
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_box_keypair()
{
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_box_keypair();
}
if (self::use_fallback('crypto_box_keypair')) {
return (string) call_user_func('\\Sodium\\crypto_box_keypair');
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::box_keypair();
}
return ParagonIE_Sodium_Crypto::box_keypair();
}
/**
* Combine two keys into a keypair for use in library methods that expect
* a keypair. This doesn't necessarily have to be the same person's keys.
*
* @param string $secretKey Secret key
* @param string $publicKey Public key
* @return string Keypair
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_box_keypair_from_secretkey_and_publickey($secretKey, $publicKey)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) {
throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_BOX_PUBLICKEYBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_box_keypair_from_secretkey_and_publickey($secretKey, $publicKey);
}
if (self::use_fallback('crypto_box_keypair_from_secretkey_and_publickey')) {
return (string) call_user_func('\\Sodium\\crypto_box_keypair_from_secretkey_and_publickey', $secretKey, $publicKey);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::box_keypair_from_secretkey_and_publickey($secretKey, $publicKey);
}
return ParagonIE_Sodium_Crypto::box_keypair_from_secretkey_and_publickey($secretKey, $publicKey);
}
/**
* Decrypt a message previously encrypted with crypto_box().
*
* @param string $ciphertext Encrypted message
* @param string $nonce Number to only be used Once; must be 24 bytes
* @param string $keypair Your secret key and the sender's public key
* @return string The original plaintext message
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedInferredReturnType
* @psalm-suppress MixedReturnStatement
*/
public static function crypto_box_open($ciphertext, $nonce, $keypair)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($ciphertext) < self::CRYPTO_BOX_MACBYTES) {
throw new SodiumException('Argument 1 must be at least CRYPTO_BOX_MACBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_BOX_NONCEBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_BOX_NONCEBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_BOX_KEYPAIRBYTES long.');
}
if (self::useNewSodiumAPI()) {
/**
* @psalm-suppress InvalidReturnStatement
* @psalm-suppress FalsableReturnStatement
*/
return sodium_crypto_box_open($ciphertext, $nonce, $keypair);
}
if (self::use_fallback('crypto_box_open')) {
return call_user_func('\\Sodium\\crypto_box_open', $ciphertext, $nonce, $keypair);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::box_open($ciphertext, $nonce, $keypair);
}
return ParagonIE_Sodium_Crypto::box_open($ciphertext, $nonce, $keypair);
}
/**
* Extract the public key from a crypto_box keypair.
*
* @param string $keypair Keypair containing secret and public key
* @return string Your crypto_box public key
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_box_publickey($keypair)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) {
throw new SodiumException('Argument 1 must be CRYPTO_BOX_KEYPAIRBYTES long.');
}
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_box_publickey($keypair);
}
if (self::use_fallback('crypto_box_publickey')) {
return (string) call_user_func('\\Sodium\\crypto_box_publickey', $keypair);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::box_publickey($keypair);
}
return ParagonIE_Sodium_Crypto::box_publickey($keypair);
}
/**
* Calculate the X25519 public key from a given X25519 secret key.
*
* @param string $secretKey Any X25519 secret key
* @return string The corresponding X25519 public key
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_box_publickey_from_secretkey($secretKey)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) {
throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_box_publickey_from_secretkey($secretKey);
}
if (self::use_fallback('crypto_box_publickey_from_secretkey')) {
return (string) call_user_func('\\Sodium\\crypto_box_publickey_from_secretkey', $secretKey);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::box_publickey_from_secretkey($secretKey);
}
return ParagonIE_Sodium_Crypto::box_publickey_from_secretkey($secretKey);
}
/**
* Extract the secret key from a crypto_box keypair.
*
* @param string $keypair
* @return string Your crypto_box secret key
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_box_secretkey($keypair)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_BOX_KEYPAIRBYTES) {
throw new SodiumException('Argument 1 must be CRYPTO_BOX_KEYPAIRBYTES long.');
}
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_box_secretkey($keypair);
}
if (self::use_fallback('crypto_box_secretkey')) {
return (string) call_user_func('\\Sodium\\crypto_box_secretkey', $keypair);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::box_secretkey($keypair);
}
return ParagonIE_Sodium_Crypto::box_secretkey($keypair);
}
/**
* Generate an X25519 keypair from a seed.
*
* @param string $seed
* @return string
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress UndefinedFunction
*/
public static function crypto_box_seed_keypair($seed)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($seed, 'string', 1);
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_box_seed_keypair($seed);
}
if (self::use_fallback('crypto_box_seed_keypair')) {
return (string) call_user_func('\\Sodium\\crypto_box_seed_keypair', $seed);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::box_seed_keypair($seed);
}
return ParagonIE_Sodium_Crypto::box_seed_keypair($seed);
}
/**
* Calculates a BLAKE2b hash, with an optional key.
*
* @param string $message The message to be hashed
* @param string|null $key If specified, must be a string between 16
* and 64 bytes long
* @param int $length Output length in bytes; must be between 16
* and 64 (default = 32)
* @return string Raw binary
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_generichash($message, $key = '', $length = self::CRYPTO_GENERICHASH_BYTES)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1);
if (is_null($key)) {
$key = '';
}
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 3);
/* Input validation: */
if (!empty($key)) {
if (ParagonIE_Sodium_Core_Util::strlen($key) < self::CRYPTO_GENERICHASH_KEYBYTES_MIN) {
throw new SodiumException('Unsupported key size. Must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) > self::CRYPTO_GENERICHASH_KEYBYTES_MAX) {
throw new SodiumException('Unsupported key size. Must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes long.');
}
}
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_generichash($message, $key, $length);
}
if (self::use_fallback('crypto_generichash')) {
return (string) call_user_func('\\Sodium\\crypto_generichash', $message, $key, $length);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::generichash($message, $key, $length);
}
return ParagonIE_Sodium_Crypto::generichash($message, $key, $length);
}
/**
* Get the final BLAKE2b hash output for a given context.
*
* @param string $ctx BLAKE2 hashing context. Generated by crypto_generichash_init().
* @param int $length Hash output size.
* @return string Final BLAKE2b hash.
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress ReferenceConstraintViolation
* @psalm-suppress ConflictingReferenceConstraint
*/
public static function crypto_generichash_final(&$ctx, $length = self::CRYPTO_GENERICHASH_BYTES)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($ctx, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 2);
if (self::useNewSodiumAPI()) {
return sodium_crypto_generichash_final($ctx, $length);
}
if (self::use_fallback('crypto_generichash_final')) {
$func = '\\Sodium\\crypto_generichash_final';
return (string) $func($ctx, $length);
}
if ($length < 1) {
try {
self::memzero($ctx);
} catch (SodiumException $ex) {
unset($ctx);
}
return '';
}
if (PHP_INT_SIZE === 4) {
$result = ParagonIE_Sodium_Crypto32::generichash_final($ctx, $length);
} else {
$result = ParagonIE_Sodium_Crypto::generichash_final($ctx, $length);
}
try {
self::memzero($ctx);
} catch (SodiumException $ex) {
unset($ctx);
}
return $result;
}
/**
* Initialize a BLAKE2b hashing context, for use in a streaming interface.
*
* @param string|null $key If specified must be a string between 16 and 64 bytes
* @param int $length The size of the desired hash output
* @return string A BLAKE2 hashing context, encoded as a string
* (To be 100% compatible with ext/libsodium)
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_generichash_init($key = '', $length = self::CRYPTO_GENERICHASH_BYTES)
{
/* Type checks: */
if (is_null($key)) {
$key = '';
}
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 2);
/* Input validation: */
if (!empty($key)) {
if (ParagonIE_Sodium_Core_Util::strlen($key) < self::CRYPTO_GENERICHASH_KEYBYTES_MIN) {
throw new SodiumException('Unsupported key size. Must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) > self::CRYPTO_GENERICHASH_KEYBYTES_MAX) {
throw new SodiumException('Unsupported key size. Must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes long.');
}
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_generichash_init($key, $length);
}
if (self::use_fallback('crypto_generichash_init')) {
return (string) call_user_func('\\Sodium\\crypto_generichash_init', $key, $length);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::generichash_init($key, $length);
}
return ParagonIE_Sodium_Crypto::generichash_init($key, $length);
}
/**
* Initialize a BLAKE2b hashing context, for use in a streaming interface.
*
* @param string|null $key If specified must be a string between 16 and 64 bytes
* @param int $length The size of the desired hash output
* @param string $salt Salt (up to 16 bytes)
* @param string $personal Personalization string (up to 16 bytes)
* @return string A BLAKE2 hashing context, encoded as a string
* (To be 100% compatible with ext/libsodium)
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_generichash_init_salt_personal(
$key = '',
$length = self::CRYPTO_GENERICHASH_BYTES,
$salt = '',
$personal = ''
) {
/* Type checks: */
if (is_null($key)) {
$key = '';
}
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($length, 'int', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($salt, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($personal, 'string', 4);
$salt = str_pad($salt, 16, "\0", STR_PAD_RIGHT);
$personal = str_pad($personal, 16, "\0", STR_PAD_RIGHT);
/* Input validation: */
if (!empty($key)) {
/*
if (ParagonIE_Sodium_Core_Util::strlen($key) < self::CRYPTO_GENERICHASH_KEYBYTES_MIN) {
throw new SodiumException('Unsupported key size. Must be at least CRYPTO_GENERICHASH_KEYBYTES_MIN bytes long.');
}
*/
if (ParagonIE_Sodium_Core_Util::strlen($key) > self::CRYPTO_GENERICHASH_KEYBYTES_MAX) {
throw new SodiumException('Unsupported key size. Must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes long.');
}
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::generichash_init_salt_personal($key, $length, $salt, $personal);
}
return ParagonIE_Sodium_Crypto::generichash_init_salt_personal($key, $length, $salt, $personal);
}
/**
* Update a BLAKE2b hashing context with additional data.
*
* @param string $ctx BLAKE2 hashing context. Generated by crypto_generichash_init().
* $ctx is passed by reference and gets updated in-place.
* @param-out string $ctx
* @param string $message The message to append to the existing hash state.
* @return void
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress ReferenceConstraintViolation
*/
public static function crypto_generichash_update(&$ctx, $message)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($ctx, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 2);
if (self::useNewSodiumAPI()) {
sodium_crypto_generichash_update($ctx, $message);
return;
}
if (self::use_fallback('crypto_generichash_update')) {
$func = '\\Sodium\\crypto_generichash_update';
$func($ctx, $message);
return;
}
if (PHP_INT_SIZE === 4) {
$ctx = ParagonIE_Sodium_Crypto32::generichash_update($ctx, $message);
} else {
$ctx = ParagonIE_Sodium_Crypto::generichash_update($ctx, $message);
}
}
/**
* @return string
* @throws Exception
* @throws Error
*/
public static function crypto_generichash_keygen()
{
return random_bytes(self::CRYPTO_GENERICHASH_KEYBYTES);
}
/**
* @param int $subkey_len
* @param int $subkey_id
* @param string $context
* @param string $key
* @return string
* @throws SodiumException
*/
public static function crypto_kdf_derive_from_key(
$subkey_len,
$subkey_id,
$context,
$key
) {
ParagonIE_Sodium_Core_Util::declareScalarType($subkey_len, 'int', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($subkey_id, 'int', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($context, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4);
$subkey_id = (int) $subkey_id;
$subkey_len = (int) $subkey_len;
$context = (string) $context;
$key = (string) $key;
if ($subkey_len < self::CRYPTO_KDF_BYTES_MIN) {
throw new SodiumException('subkey cannot be smaller than SODIUM_CRYPTO_KDF_BYTES_MIN');
}
if ($subkey_len > self::CRYPTO_KDF_BYTES_MAX) {
throw new SodiumException('subkey cannot be larger than SODIUM_CRYPTO_KDF_BYTES_MAX');
}
if ($subkey_id < 0) {
throw new SodiumException('subkey_id cannot be negative');
}
if (ParagonIE_Sodium_Core_Util::strlen($context) !== self::CRYPTO_KDF_CONTEXTBYTES) {
throw new SodiumException('context should be SODIUM_CRYPTO_KDF_CONTEXTBYTES bytes');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_KDF_KEYBYTES) {
throw new SodiumException('key should be SODIUM_CRYPTO_KDF_KEYBYTES bytes');
}
$salt = ParagonIE_Sodium_Core_Util::store64_le($subkey_id);
$state = self::crypto_generichash_init_salt_personal(
$key,
$subkey_len,
$salt,
$context
);
return self::crypto_generichash_final($state, $subkey_len);
}
/**
* @return string
* @throws Exception
* @throws Error
*/
public static function crypto_kdf_keygen()
{
return random_bytes(self::CRYPTO_KDF_KEYBYTES);
}
/**
* Perform a key exchange, between a designated client and a server.
*
* Typically, you would designate one machine to be the client and the
* other to be the server. The first two keys are what you'd expect for
* scalarmult() below, but the latter two public keys don't swap places.
*
* | ALICE | BOB |
* | Client | Server |
* |--------------------------------|-------------------------------------|
* | shared = crypto_kx( | shared = crypto_kx( |
* | alice_sk, | bob_sk, | <- contextual
* | bob_pk, | alice_pk, | <- contextual
* | alice_pk, | alice_pk, | <----- static
* | bob_pk | bob_pk | <----- static
* | ) | ) |
*
* They are used along with the scalarmult product to generate a 256-bit
* BLAKE2b hash unique to the client and server keys.
*
* @param string $my_secret
* @param string $their_public
* @param string $client_public
* @param string $server_public
* @param bool $dontFallback
* @return string
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_kx($my_secret, $their_public, $client_public, $server_public, $dontFallback = false)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($my_secret, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($their_public, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($client_public, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($server_public, 'string', 4);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($my_secret) !== self::CRYPTO_BOX_SECRETKEYBYTES) {
throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($their_public) !== self::CRYPTO_BOX_PUBLICKEYBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($client_public) !== self::CRYPTO_BOX_PUBLICKEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_BOX_PUBLICKEYBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($server_public) !== self::CRYPTO_BOX_PUBLICKEYBYTES) {
throw new SodiumException('Argument 4 must be CRYPTO_BOX_PUBLICKEYBYTES long.');
}
if (self::useNewSodiumAPI() && !$dontFallback) {
if (is_callable('sodium_crypto_kx')) {
return (string) sodium_crypto_kx(
$my_secret,
$their_public,
$client_public,
$server_public
);
}
}
if (self::use_fallback('crypto_kx')) {
return (string) call_user_func(
'\\Sodium\\crypto_kx',
$my_secret,
$their_public,
$client_public,
$server_public
);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::keyExchange(
$my_secret,
$their_public,
$client_public,
$server_public
);
}
return ParagonIE_Sodium_Crypto::keyExchange(
$my_secret,
$their_public,
$client_public,
$server_public
);
}
/**
* @param string $seed
* @return string
* @throws SodiumException
*/
public static function crypto_kx_seed_keypair($seed)
{
ParagonIE_Sodium_Core_Util::declareScalarType($seed, 'string', 1);
$seed = (string) $seed;
if (ParagonIE_Sodium_Core_Util::strlen($seed) !== self::CRYPTO_KX_SEEDBYTES) {
throw new SodiumException('seed must be SODIUM_CRYPTO_KX_SEEDBYTES bytes');
}
$sk = self::crypto_generichash($seed, '', self::CRYPTO_KX_SECRETKEYBYTES);
$pk = self::crypto_scalarmult_base($sk);
return $sk . $pk;
}
/**
* @return string
* @throws Exception
*/
public static function crypto_kx_keypair()
{
$sk = self::randombytes_buf(self::CRYPTO_KX_SECRETKEYBYTES);
$pk = self::crypto_scalarmult_base($sk);
return $sk . $pk;
}
/**
* @param string $keypair
* @param string $serverPublicKey
* @return array{0: string, 1: string}
* @throws SodiumException
*/
public static function crypto_kx_client_session_keys($keypair, $serverPublicKey)
{
ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($serverPublicKey, 'string', 2);
$keypair = (string) $keypair;
$serverPublicKey = (string) $serverPublicKey;
if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_KX_KEYPAIRBYTES) {
throw new SodiumException('keypair should be SODIUM_CRYPTO_KX_KEYPAIRBYTES bytes');
}
if (ParagonIE_Sodium_Core_Util::strlen($serverPublicKey) !== self::CRYPTO_KX_PUBLICKEYBYTES) {
throw new SodiumException('public keys must be SODIUM_CRYPTO_KX_PUBLICKEYBYTES bytes');
}
$sk = self::crypto_kx_secretkey($keypair);
$pk = self::crypto_kx_publickey($keypair);
$h = self::crypto_generichash_init(null, self::CRYPTO_KX_SESSIONKEYBYTES * 2);
self::crypto_generichash_update($h, self::crypto_scalarmult($sk, $serverPublicKey));
self::crypto_generichash_update($h, $pk);
self::crypto_generichash_update($h, $serverPublicKey);
$sessionKeys = self::crypto_generichash_final($h, self::CRYPTO_KX_SESSIONKEYBYTES * 2);
return array(
ParagonIE_Sodium_Core_Util::substr(
$sessionKeys,
0,
self::CRYPTO_KX_SESSIONKEYBYTES
),
ParagonIE_Sodium_Core_Util::substr(
$sessionKeys,
self::CRYPTO_KX_SESSIONKEYBYTES,
self::CRYPTO_KX_SESSIONKEYBYTES
)
);
}
/**
* @param string $keypair
* @param string $clientPublicKey
* @return array{0: string, 1: string}
* @throws SodiumException
*/
public static function crypto_kx_server_session_keys($keypair, $clientPublicKey)
{
ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($clientPublicKey, 'string', 2);
$keypair = (string) $keypair;
$clientPublicKey = (string) $clientPublicKey;
if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_KX_KEYPAIRBYTES) {
throw new SodiumException('keypair should be SODIUM_CRYPTO_KX_KEYPAIRBYTES bytes');
}
if (ParagonIE_Sodium_Core_Util::strlen($clientPublicKey) !== self::CRYPTO_KX_PUBLICKEYBYTES) {
throw new SodiumException('public keys must be SODIUM_CRYPTO_KX_PUBLICKEYBYTES bytes');
}
$sk = self::crypto_kx_secretkey($keypair);
$pk = self::crypto_kx_publickey($keypair);
$h = self::crypto_generichash_init(null, self::CRYPTO_KX_SESSIONKEYBYTES * 2);
self::crypto_generichash_update($h, self::crypto_scalarmult($sk, $clientPublicKey));
self::crypto_generichash_update($h, $clientPublicKey);
self::crypto_generichash_update($h, $pk);
$sessionKeys = self::crypto_generichash_final($h, self::CRYPTO_KX_SESSIONKEYBYTES * 2);
return array(
ParagonIE_Sodium_Core_Util::substr(
$sessionKeys,
self::CRYPTO_KX_SESSIONKEYBYTES,
self::CRYPTO_KX_SESSIONKEYBYTES
),
ParagonIE_Sodium_Core_Util::substr(
$sessionKeys,
0,
self::CRYPTO_KX_SESSIONKEYBYTES
)
);
}
/**
* @param string $kp
* @return string
* @throws SodiumException
*/
public static function crypto_kx_secretkey($kp)
{
return ParagonIE_Sodium_Core_Util::substr(
$kp,
0,
self::CRYPTO_KX_SECRETKEYBYTES
);
}
/**
* @param string $kp
* @return string
* @throws SodiumException
*/
public static function crypto_kx_publickey($kp)
{
return ParagonIE_Sodium_Core_Util::substr(
$kp,
self::CRYPTO_KX_SECRETKEYBYTES,
self::CRYPTO_KX_PUBLICKEYBYTES
);
}
/**
* @param int $outlen
* @param string $passwd
* @param string $salt
* @param int $opslimit
* @param int $memlimit
* @param int|null $alg
* @return string
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit, $alg = null)
{
ParagonIE_Sodium_Core_Util::declareScalarType($outlen, 'int', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($salt, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 4);
ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 5);
if (self::useNewSodiumAPI()) {
if (!is_null($alg)) {
ParagonIE_Sodium_Core_Util::declareScalarType($alg, 'int', 6);
return sodium_crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit, $alg);
}
return sodium_crypto_pwhash($outlen, $passwd, $salt, $opslimit, $memlimit);
}
if (self::use_fallback('crypto_pwhash')) {
return (string) call_user_func('\\Sodium\\crypto_pwhash', $outlen, $passwd, $salt, $opslimit, $memlimit);
}
// This is the best we can do.
throw new SodiumException(
'This is not implemented, as it is not possible to implement Argon2i with acceptable performance in pure-PHP'
);
}
/**
* !Exclusive to sodium_compat!
*
* This returns TRUE if the native crypto_pwhash API is available by libsodium.
* This returns FALSE if only sodium_compat is available.
*
* @return bool
*/
public static function crypto_pwhash_is_available()
{
if (self::useNewSodiumAPI()) {
return true;
}
if (self::use_fallback('crypto_pwhash')) {
return true;
}
return false;
}
/**
* @param string $passwd
* @param int $opslimit
* @param int $memlimit
* @return string
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_pwhash_str($passwd, $opslimit, $memlimit)
{
ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 3);
if (self::useNewSodiumAPI()) {
return sodium_crypto_pwhash_str($passwd, $opslimit, $memlimit);
}
if (self::use_fallback('crypto_pwhash_str')) {
return (string) call_user_func('\\Sodium\\crypto_pwhash_str', $passwd, $opslimit, $memlimit);
}
// This is the best we can do.
throw new SodiumException(
'This is not implemented, as it is not possible to implement Argon2i with acceptable performance in pure-PHP'
);
}
/**
* Do we need to rehash this password?
*
* @param string $hash
* @param int $opslimit
* @param int $memlimit
* @return bool
* @throws SodiumException
*/
public static function crypto_pwhash_str_needs_rehash($hash, $opslimit, $memlimit)
{
ParagonIE_Sodium_Core_Util::declareScalarType($hash, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 3);
// Just grab the first 4 pieces.
$pieces = explode('$', (string) $hash);
$prefix = implode('$', array_slice($pieces, 0, 4));
// Rebuild the expected header.
/** @var int $ops */
$ops = (int) $opslimit;
/** @var int $mem */
$mem = (int) $memlimit >> 10;
$encoded = self::CRYPTO_PWHASH_STRPREFIX . 'v=19$m=' . $mem . ',t=' . $ops . ',p=1';
// Do they match? If so, we don't need to rehash, so return false.
return !ParagonIE_Sodium_Core_Util::hashEquals($encoded, $prefix);
}
/**
* @param string $passwd
* @param string $hash
* @return bool
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_pwhash_str_verify($passwd, $hash)
{
ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($hash, 'string', 2);
if (self::useNewSodiumAPI()) {
return (bool) sodium_crypto_pwhash_str_verify($passwd, $hash);
}
if (self::use_fallback('crypto_pwhash_str_verify')) {
return (bool) call_user_func('\\Sodium\\crypto_pwhash_str_verify', $passwd, $hash);
}
// This is the best we can do.
throw new SodiumException(
'This is not implemented, as it is not possible to implement Argon2i with acceptable performance in pure-PHP'
);
}
/**
* @param int $outlen
* @param string $passwd
* @param string $salt
* @param int $opslimit
* @param int $memlimit
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function crypto_pwhash_scryptsalsa208sha256($outlen, $passwd, $salt, $opslimit, $memlimit)
{
ParagonIE_Sodium_Core_Util::declareScalarType($outlen, 'int', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($salt, 'string', 3);
ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 4);
ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 5);
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_pwhash_scryptsalsa208sha256(
(int) $outlen,
(string) $passwd,
(string) $salt,
(int) $opslimit,
(int) $memlimit
);
}
if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256')) {
return (string) call_user_func(
'\\Sodium\\crypto_pwhash_scryptsalsa208sha256',
(int) $outlen,
(string) $passwd,
(string) $salt,
(int) $opslimit,
(int) $memlimit
);
}
// This is the best we can do.
throw new SodiumException(
'This is not implemented, as it is not possible to implement Scrypt with acceptable performance in pure-PHP'
);
}
/**
* !Exclusive to sodium_compat!
*
* This returns TRUE if the native crypto_pwhash API is available by libsodium.
* This returns FALSE if only sodium_compat is available.
*
* @return bool
*/
public static function crypto_pwhash_scryptsalsa208sha256_is_available()
{
if (self::useNewSodiumAPI()) {
return true;
}
if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256')) {
return true;
}
return false;
}
/**
* @param string $passwd
* @param int $opslimit
* @param int $memlimit
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function crypto_pwhash_scryptsalsa208sha256_str($passwd, $opslimit, $memlimit)
{
ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($opslimit, 'int', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($memlimit, 'int', 3);
if (self::useNewSodiumAPI()) {
return (string) sodium_crypto_pwhash_scryptsalsa208sha256_str(
(string) $passwd,
(int) $opslimit,
(int) $memlimit
);
}
if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256_str')) {
return (string) call_user_func(
'\\Sodium\\crypto_pwhash_scryptsalsa208sha256_str',
(string) $passwd,
(int) $opslimit,
(int) $memlimit
);
}
// This is the best we can do.
throw new SodiumException(
'This is not implemented, as it is not possible to implement Scrypt with acceptable performance in pure-PHP'
);
}
/**
* @param string $passwd
* @param string $hash
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function crypto_pwhash_scryptsalsa208sha256_str_verify($passwd, $hash)
{
ParagonIE_Sodium_Core_Util::declareScalarType($passwd, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($hash, 'string', 2);
if (self::useNewSodiumAPI()) {
return (bool) sodium_crypto_pwhash_scryptsalsa208sha256_str_verify(
(string) $passwd,
(string) $hash
);
}
if (self::use_fallback('crypto_pwhash_scryptsalsa208sha256_str_verify')) {
return (bool) call_user_func(
'\\Sodium\\crypto_pwhash_scryptsalsa208sha256_str_verify',
(string) $passwd,
(string) $hash
);
}
// This is the best we can do.
throw new SodiumException(
'This is not implemented, as it is not possible to implement Scrypt with acceptable performance in pure-PHP'
);
}
/**
* Calculate the shared secret between your secret key and your
* recipient's public key.
*
* Algorithm: X25519 (ECDH over Curve25519)
*
* @param string $secretKey
* @param string $publicKey
* @return string
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_scalarmult($secretKey, $publicKey)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) {
throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_BOX_PUBLICKEYBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_BOX_PUBLICKEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_scalarmult($secretKey, $publicKey);
}
if (self::use_fallback('crypto_scalarmult')) {
return (string) call_user_func('\\Sodium\\crypto_scalarmult', $secretKey, $publicKey);
}
/* Output validation: Forbid all-zero keys */
if (ParagonIE_Sodium_Core_Util::hashEquals($secretKey, str_repeat("\0", self::CRYPTO_BOX_SECRETKEYBYTES))) {
throw new SodiumException('Zero secret key is not allowed');
}
if (ParagonIE_Sodium_Core_Util::hashEquals($publicKey, str_repeat("\0", self::CRYPTO_BOX_PUBLICKEYBYTES))) {
throw new SodiumException('Zero public key is not allowed');
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::scalarmult($secretKey, $publicKey);
}
return ParagonIE_Sodium_Crypto::scalarmult($secretKey, $publicKey);
}
/**
* Calculate an X25519 public key from an X25519 secret key.
*
* @param string $secretKey
* @return string
* @throws SodiumException
* @throws TypeError
* @psalm-suppress TooFewArguments
* @psalm-suppress MixedArgument
*/
public static function crypto_scalarmult_base($secretKey)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_BOX_SECRETKEYBYTES) {
throw new SodiumException('Argument 1 must be CRYPTO_BOX_SECRETKEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_scalarmult_base($secretKey);
}
if (self::use_fallback('crypto_scalarmult_base')) {
return (string) call_user_func('\\Sodium\\crypto_scalarmult_base', $secretKey);
}
if (ParagonIE_Sodium_Core_Util::hashEquals($secretKey, str_repeat("\0", self::CRYPTO_BOX_SECRETKEYBYTES))) {
throw new SodiumException('Zero secret key is not allowed');
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::scalarmult_base($secretKey);
}
return ParagonIE_Sodium_Crypto::scalarmult_base($secretKey);
}
/**
* Authenticated symmetric-key encryption.
*
* Algorithm: XSalsa20-Poly1305
*
* @param string $plaintext The message you're encrypting
* @param string $nonce A Number to be used Once; must be 24 bytes
* @param string $key Symmetric encryption key
* @return string Ciphertext with Poly1305 MAC
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_secretbox($plaintext, $nonce, $key)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_secretbox($plaintext, $nonce, $key);
}
if (self::use_fallback('crypto_secretbox')) {
return (string) call_user_func('\\Sodium\\crypto_secretbox', $plaintext, $nonce, $key);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::secretbox($plaintext, $nonce, $key);
}
return ParagonIE_Sodium_Crypto::secretbox($plaintext, $nonce, $key);
}
/**
* Decrypts a message previously encrypted with crypto_secretbox().
*
* @param string $ciphertext Ciphertext with Poly1305 MAC
* @param string $nonce A Number to be used Once; must be 24 bytes
* @param string $key Symmetric encryption key
* @return string Original plaintext message
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedInferredReturnType
* @psalm-suppress MixedReturnStatement
*/
public static function crypto_secretbox_open($ciphertext, $nonce, $key)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
/**
* @psalm-suppress InvalidReturnStatement
* @psalm-suppress FalsableReturnStatement
*/
return sodium_crypto_secretbox_open($ciphertext, $nonce, $key);
}
if (self::use_fallback('crypto_secretbox_open')) {
return call_user_func('\\Sodium\\crypto_secretbox_open', $ciphertext, $nonce, $key);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::secretbox_open($ciphertext, $nonce, $key);
}
return ParagonIE_Sodium_Crypto::secretbox_open($ciphertext, $nonce, $key);
}
/**
* Return a secure random key for use with crypto_secretbox
*
* @return string
* @throws Exception
* @throws Error
*/
public static function crypto_secretbox_keygen()
{
return random_bytes(self::CRYPTO_SECRETBOX_KEYBYTES);
}
/**
* Authenticated symmetric-key encryption.
*
* Algorithm: XChaCha20-Poly1305
*
* @param string $plaintext The message you're encrypting
* @param string $nonce A Number to be used Once; must be 24 bytes
* @param string $key Symmetric encryption key
* @return string Ciphertext with Poly1305 MAC
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_secretbox_xchacha20poly1305($plaintext, $nonce, $key)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.');
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::secretbox_xchacha20poly1305($plaintext, $nonce, $key);
}
return ParagonIE_Sodium_Crypto::secretbox_xchacha20poly1305($plaintext, $nonce, $key);
}
/**
* Decrypts a message previously encrypted with crypto_secretbox_xchacha20poly1305().
*
* @param string $ciphertext Ciphertext with Poly1305 MAC
* @param string $nonce A Number to be used Once; must be 24 bytes
* @param string $key Symmetric encryption key
* @return string Original plaintext message
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.');
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key);
}
return ParagonIE_Sodium_Crypto::secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key);
}
/**
* @param string $key
* @return array Returns a state and a header.
* @throws Exception
* @throws SodiumException
*/
public static function crypto_secretstream_xchacha20poly1305_init_push($key)
{
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_init_push($key);
}
return ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_init_push($key);
}
/**
* @param string $header
* @param string $key
* @return string Returns a state.
* @throws Exception
*/
public static function crypto_secretstream_xchacha20poly1305_init_pull($header, $key)
{
if (ParagonIE_Sodium_Core_Util::strlen($header) < self::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES) {
throw new SodiumException(
'header size should be SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES bytes'
);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_init_pull($key, $header);
}
return ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_init_pull($key, $header);
}
/**
* @param string $state
* @param string $msg
* @param string $aad
* @param int $tag
* @return string
* @throws SodiumException
*/
public static function crypto_secretstream_xchacha20poly1305_push(&$state, $msg, $aad = '', $tag = 0)
{
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_push(
$state,
$msg,
$aad,
$tag
);
}
return ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_push(
$state,
$msg,
$aad,
$tag
);
}
/**
* @param string $state
* @param string $msg
* @param string $aad
* @return bool|array{0: string, 1: int}
* @throws SodiumException
*/
public static function crypto_secretstream_xchacha20poly1305_pull(&$state, $msg, $aad = '')
{
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_pull(
$state,
$msg,
$aad
);
}
return ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_pull(
$state,
$msg,
$aad
);
}
/**
* @return string
* @throws Exception
*/
public static function crypto_secretstream_xchacha20poly1305_keygen()
{
return random_bytes(self::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_KEYBYTES);
}
/**
* @param string $state
* @return void
* @throws SodiumException
*/
public static function crypto_secretstream_xchacha20poly1305_rekey(&$state)
{
if (PHP_INT_SIZE === 4) {
ParagonIE_Sodium_Crypto32::secretstream_xchacha20poly1305_rekey($state);
} else {
ParagonIE_Sodium_Crypto::secretstream_xchacha20poly1305_rekey($state);
}
}
/**
* Calculates a SipHash-2-4 hash of a message for a given key.
*
* @param string $message Input message
* @param string $key SipHash-2-4 key
* @return string Hash
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedInferredReturnType
* @psalm-suppress MixedReturnStatement
*/
public static function crypto_shorthash($message, $key)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 2);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SHORTHASH_KEYBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SHORTHASH_KEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_shorthash($message, $key);
}
if (self::use_fallback('crypto_shorthash')) {
return (string) call_user_func('\\Sodium\\crypto_shorthash', $message, $key);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Core32_SipHash::sipHash24($message, $key);
}
return ParagonIE_Sodium_Core_SipHash::sipHash24($message, $key);
}
/**
* Return a secure random key for use with crypto_shorthash
*
* @return string
* @throws Exception
* @throws Error
*/
public static function crypto_shorthash_keygen()
{
return random_bytes(self::CRYPTO_SHORTHASH_KEYBYTES);
}
/**
* Returns a signed message. You probably want crypto_sign_detached()
* instead, which only returns the signature.
*
* Algorithm: Ed25519 (EdDSA over Curve25519)
*
* @param string $message Message to be signed.
* @param string $secretKey Secret signing key.
* @return string Signed message (signature is prefixed).
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedInferredReturnType
* @psalm-suppress MixedReturnStatement
*/
public static function crypto_sign($message, $secretKey)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 2);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_SIGN_SECRETKEYBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SIGN_SECRETKEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_sign($message, $secretKey);
}
if (self::use_fallback('crypto_sign')) {
return (string) call_user_func('\\Sodium\\crypto_sign', $message, $secretKey);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::sign($message, $secretKey);
}
return ParagonIE_Sodium_Crypto::sign($message, $secretKey);
}
/**
* Validates a signed message then returns the message.
*
* @param string $signedMessage A signed message
* @param string $publicKey A public key
* @return string The original message (if the signature is
* valid for this public key)
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedInferredReturnType
* @psalm-suppress MixedReturnStatement
*/
public static function crypto_sign_open($signedMessage, $publicKey)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($signedMessage, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 2);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($signedMessage) < self::CRYPTO_SIGN_BYTES) {
throw new SodiumException('Argument 1 must be at least CRYPTO_SIGN_BYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_SIGN_PUBLICKEYBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SIGN_PUBLICKEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
/**
* @psalm-suppress InvalidReturnStatement
* @psalm-suppress FalsableReturnStatement
*/
return sodium_crypto_sign_open($signedMessage, $publicKey);
}
if (self::use_fallback('crypto_sign_open')) {
return call_user_func('\\Sodium\\crypto_sign_open', $signedMessage, $publicKey);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::sign_open($signedMessage, $publicKey);
}
return ParagonIE_Sodium_Crypto::sign_open($signedMessage, $publicKey);
}
/**
* Generate a new random Ed25519 keypair.
*
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function crypto_sign_keypair()
{
if (self::useNewSodiumAPI()) {
return sodium_crypto_sign_keypair();
}
if (self::use_fallback('crypto_sign_keypair')) {
return (string) call_user_func('\\Sodium\\crypto_sign_keypair');
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Core32_Ed25519::keypair();
}
return ParagonIE_Sodium_Core_Ed25519::keypair();
}
/**
* @param string $sk
* @param string $pk
* @return string
* @throws SodiumException
*/
public static function crypto_sign_keypair_from_secretkey_and_publickey($sk, $pk)
{
ParagonIE_Sodium_Core_Util::declareScalarType($sk, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($pk, 'string', 1);
$sk = (string) $sk;
$pk = (string) $pk;
if (ParagonIE_Sodium_Core_Util::strlen($sk) !== self::CRYPTO_SIGN_SECRETKEYBYTES) {
throw new SodiumException('secretkey should be SODIUM_CRYPTO_SIGN_SECRETKEYBYTES bytes');
}
if (ParagonIE_Sodium_Core_Util::strlen($pk) !== self::CRYPTO_SIGN_PUBLICKEYBYTES) {
throw new SodiumException('publickey should be SODIUM_CRYPTO_SIGN_PUBLICKEYBYTES bytes');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_sign_keypair_from_secretkey_and_publickey($sk, $pk);
}
return $sk . $pk;
}
/**
* Generate an Ed25519 keypair from a seed.
*
* @param string $seed Input seed
* @return string Keypair
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_sign_seed_keypair($seed)
{
ParagonIE_Sodium_Core_Util::declareScalarType($seed, 'string', 1);
if (self::useNewSodiumAPI()) {
return sodium_crypto_sign_seed_keypair($seed);
}
if (self::use_fallback('crypto_sign_keypair')) {
return (string) call_user_func('\\Sodium\\crypto_sign_seed_keypair', $seed);
}
$publicKey = '';
$secretKey = '';
if (PHP_INT_SIZE === 4) {
ParagonIE_Sodium_Core32_Ed25519::seed_keypair($publicKey, $secretKey, $seed);
} else {
ParagonIE_Sodium_Core_Ed25519::seed_keypair($publicKey, $secretKey, $seed);
}
return $secretKey . $publicKey;
}
/**
* Extract an Ed25519 public key from an Ed25519 keypair.
*
* @param string $keypair Keypair
* @return string Public key
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_sign_publickey($keypair)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_SIGN_KEYPAIRBYTES) {
throw new SodiumException('Argument 1 must be CRYPTO_SIGN_KEYPAIRBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_sign_publickey($keypair);
}
if (self::use_fallback('crypto_sign_publickey')) {
return (string) call_user_func('\\Sodium\\crypto_sign_publickey', $keypair);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Core32_Ed25519::publickey($keypair);
}
return ParagonIE_Sodium_Core_Ed25519::publickey($keypair);
}
/**
* Calculate an Ed25519 public key from an Ed25519 secret key.
*
* @param string $secretKey Your Ed25519 secret key
* @return string The corresponding Ed25519 public key
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_sign_publickey_from_secretkey($secretKey)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_SIGN_SECRETKEYBYTES) {
throw new SodiumException('Argument 1 must be CRYPTO_SIGN_SECRETKEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_sign_publickey_from_secretkey($secretKey);
}
if (self::use_fallback('crypto_sign_publickey_from_secretkey')) {
return (string) call_user_func('\\Sodium\\crypto_sign_publickey_from_secretkey', $secretKey);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Core32_Ed25519::publickey_from_secretkey($secretKey);
}
return ParagonIE_Sodium_Core_Ed25519::publickey_from_secretkey($secretKey);
}
/**
* Extract an Ed25519 secret key from an Ed25519 keypair.
*
* @param string $keypair Keypair
* @return string Secret key
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_sign_secretkey($keypair)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($keypair, 'string', 1);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== self::CRYPTO_SIGN_KEYPAIRBYTES) {
throw new SodiumException('Argument 1 must be CRYPTO_SIGN_KEYPAIRBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_sign_secretkey($keypair);
}
if (self::use_fallback('crypto_sign_secretkey')) {
return (string) call_user_func('\\Sodium\\crypto_sign_secretkey', $keypair);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Core32_Ed25519::secretkey($keypair);
}
return ParagonIE_Sodium_Core_Ed25519::secretkey($keypair);
}
/**
* Calculate the Ed25519 signature of a message and return ONLY the signature.
*
* Algorithm: Ed25519 (EdDSA over Curve25519)
*
* @param string $message Message to be signed
* @param string $secretKey Secret signing key
* @return string Digital signature
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_sign_detached($message, $secretKey)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 2);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_SIGN_SECRETKEYBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SIGN_SECRETKEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_sign_detached($message, $secretKey);
}
if (self::use_fallback('crypto_sign_detached')) {
return (string) call_user_func('\\Sodium\\crypto_sign_detached', $message, $secretKey);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::sign_detached($message, $secretKey);
}
return ParagonIE_Sodium_Crypto::sign_detached($message, $secretKey);
}
/**
* Verify the Ed25519 signature of a message.
*
* @param string $signature Digital sginature
* @param string $message Message to be verified
* @param string $publicKey Public key
* @return bool TRUE if this signature is good for this public key;
* FALSE otherwise
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_sign_verify_detached($signature, $message, $publicKey)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($signature, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($publicKey, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($signature) !== self::CRYPTO_SIGN_BYTES) {
throw new SodiumException('Argument 1 must be CRYPTO_SIGN_BYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($publicKey) !== self::CRYPTO_SIGN_PUBLICKEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_SIGN_PUBLICKEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_sign_verify_detached($signature, $message, $publicKey);
}
if (self::use_fallback('crypto_sign_verify_detached')) {
return (bool) call_user_func(
'\\Sodium\\crypto_sign_verify_detached',
$signature,
$message,
$publicKey
);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Crypto32::sign_verify_detached($signature, $message, $publicKey);
}
return ParagonIE_Sodium_Crypto::sign_verify_detached($signature, $message, $publicKey);
}
/**
* Convert an Ed25519 public key to a Curve25519 public key
*
* @param string $pk
* @return string
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_sign_ed25519_pk_to_curve25519($pk)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($pk, 'string', 1);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($pk) < self::CRYPTO_SIGN_PUBLICKEYBYTES) {
throw new SodiumException('Argument 1 must be at least CRYPTO_SIGN_PUBLICKEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
if (is_callable('crypto_sign_ed25519_pk_to_curve25519')) {
return (string) sodium_crypto_sign_ed25519_pk_to_curve25519($pk);
}
}
if (self::use_fallback('crypto_sign_ed25519_pk_to_curve25519')) {
return (string) call_user_func('\\Sodium\\crypto_sign_ed25519_pk_to_curve25519', $pk);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Core32_Ed25519::pk_to_curve25519($pk);
}
return ParagonIE_Sodium_Core_Ed25519::pk_to_curve25519($pk);
}
/**
* Convert an Ed25519 secret key to a Curve25519 secret key
*
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_sign_ed25519_sk_to_curve25519($sk)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($sk, 'string', 1);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($sk) < self::CRYPTO_SIGN_SEEDBYTES) {
throw new SodiumException('Argument 1 must be at least CRYPTO_SIGN_SEEDBYTES long.');
}
if (self::useNewSodiumAPI()) {
if (is_callable('crypto_sign_ed25519_sk_to_curve25519')) {
return sodium_crypto_sign_ed25519_sk_to_curve25519($sk);
}
}
if (self::use_fallback('crypto_sign_ed25519_sk_to_curve25519')) {
return (string) call_user_func('\\Sodium\\crypto_sign_ed25519_sk_to_curve25519', $sk);
}
$h = hash('sha512', ParagonIE_Sodium_Core_Util::substr($sk, 0, 32), true);
$h[0] = ParagonIE_Sodium_Core_Util::intToChr(
ParagonIE_Sodium_Core_Util::chrToInt($h[0]) & 248
);
$h[31] = ParagonIE_Sodium_Core_Util::intToChr(
(ParagonIE_Sodium_Core_Util::chrToInt($h[31]) & 127) | 64
);
return ParagonIE_Sodium_Core_Util::substr($h, 0, 32);
}
/**
* Expand a key and nonce into a keystream of pseudorandom bytes.
*
* @param int $len Number of bytes desired
* @param string $nonce Number to be used Once; must be 24 bytes
* @param string $key XSalsa20 key
* @return string Pseudorandom stream that can be XORed with messages
* to provide encryption (but not authentication; see
* Poly1305 or crypto_auth() for that, which is not
* optional for security)
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_stream($len, $nonce, $key)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($len, 'int', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_STREAM_NONCEBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_STREAM_KEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_STREAM_KEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_stream($len, $nonce, $key);
}
if (self::use_fallback('crypto_stream')) {
return (string) call_user_func('\\Sodium\\crypto_stream', $len, $nonce, $key);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Core32_XSalsa20::xsalsa20($len, $nonce, $key);
}
return ParagonIE_Sodium_Core_XSalsa20::xsalsa20($len, $nonce, $key);
}
/**
* DANGER! UNAUTHENTICATED ENCRYPTION!
*
* Unless you are following expert advice, do not used this feature.
*
* Algorithm: XSalsa20
*
* This DOES NOT provide ciphertext integrity.
*
* @param string $message Plaintext message
* @param string $nonce Number to be used Once; must be 24 bytes
* @param string $key Encryption key
* @return string Encrypted text which is vulnerable to chosen-
* ciphertext attacks unless you implement some
* other mitigation to the ciphertext (i.e.
* Encrypt then MAC)
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_stream_xor($message, $nonce, $key)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_STREAM_NONCEBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_STREAM_KEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.');
}
if (self::useNewSodiumAPI()) {
return sodium_crypto_stream_xor($message, $nonce, $key);
}
if (self::use_fallback('crypto_stream_xor')) {
return (string) call_user_func('\\Sodium\\crypto_stream_xor', $message, $nonce, $key);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Core32_XSalsa20::xsalsa20_xor($message, $nonce, $key);
}
return ParagonIE_Sodium_Core_XSalsa20::xsalsa20_xor($message, $nonce, $key);
}
/**
* Return a secure random key for use with crypto_stream
*
* @return string
* @throws Exception
* @throws Error
*/
public static function crypto_stream_keygen()
{
return random_bytes(self::CRYPTO_STREAM_KEYBYTES);
}
/**
* Expand a key and nonce into a keystream of pseudorandom bytes.
*
* @param int $len Number of bytes desired
* @param string $nonce Number to be used Once; must be 24 bytes
* @param string $key XChaCha20 key
* @param bool $dontFallback
* @return string Pseudorandom stream that can be XORed with messages
* to provide encryption (but not authentication; see
* Poly1305 or crypto_auth() for that, which is not
* optional for security)
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_stream_xchacha20($len, $nonce, $key, $dontFallback = false)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($len, 'int', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_STREAM_XCHACHA20_NONCEBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_XCHACHA20_NONCEBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_STREAM_XCHACHA20_KEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_STREAM_XCHACHA20_KEYBYTES long.');
}
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_stream_xchacha20($len, $nonce, $key);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Core32_XChaCha20::stream($len, $nonce, $key);
}
return ParagonIE_Sodium_Core_XChaCha20::stream($len, $nonce, $key);
}
/**
* DANGER! UNAUTHENTICATED ENCRYPTION!
*
* Unless you are following expert advice, do not used this feature.
*
* Algorithm: XChaCha20
*
* This DOES NOT provide ciphertext integrity.
*
* @param string $message Plaintext message
* @param string $nonce Number to be used Once; must be 24 bytes
* @param string $key Encryption key
* @return string Encrypted text which is vulnerable to chosen-
* ciphertext attacks unless you implement some
* other mitigation to the ciphertext (i.e.
* Encrypt then MAC)
* @param bool $dontFallback
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function crypto_stream_xchacha20_xor($message, $nonce, $key, $dontFallback = false)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($message, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2);
ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3);
/* Input validation: */
if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_STREAM_XCHACHA20_NONCEBYTES) {
throw new SodiumException('Argument 2 must be CRYPTO_SECRETBOX_XCHACHA20_NONCEBYTES long.');
}
if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_STREAM_XCHACHA20_KEYBYTES) {
throw new SodiumException('Argument 3 must be CRYPTO_SECRETBOX_XCHACHA20_KEYBYTES long.');
}
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_stream_xchacha20_xor($message, $nonce, $key);
}
if (PHP_INT_SIZE === 4) {
return ParagonIE_Sodium_Core32_XChaCha20::streamXorIc($message, $nonce, $key);
}
return ParagonIE_Sodium_Core_XChaCha20::streamXorIc($message, $nonce, $key);
}
/**
* Return a secure random key for use with crypto_stream_xchacha20
*
* @return string
* @throws Exception
* @throws Error
*/
public static function crypto_stream_xchacha20_keygen()
{
return random_bytes(self::CRYPTO_STREAM_XCHACHA20_KEYBYTES);
}
/**
* Cache-timing-safe implementation of hex2bin().
*
* @param string $string Hexadecimal string
* @return string Raw binary string
* @throws SodiumException
* @throws TypeError
* @psalm-suppress TooFewArguments
* @psalm-suppress MixedArgument
*/
public static function hex2bin($string)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($string, 'string', 1);
if (self::useNewSodiumAPI()) {
if (is_callable('sodium_hex2bin')) {
return (string) sodium_hex2bin($string);
}
}
if (self::use_fallback('hex2bin')) {
return (string) call_user_func('\\Sodium\\hex2bin', $string);
}
return ParagonIE_Sodium_Core_Util::hex2bin($string);
}
/**
* Increase a string (little endian)
*
* @param string $var
*
* @return void
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function increment(&$var)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($var, 'string', 1);
if (self::useNewSodiumAPI()) {
sodium_increment($var);
return;
}
if (self::use_fallback('increment')) {
$func = '\\Sodium\\increment';
$func($var);
return;
}
$len = ParagonIE_Sodium_Core_Util::strlen($var);
$c = 1;
$copy = '';
for ($i = 0; $i < $len; ++$i) {
$c += ParagonIE_Sodium_Core_Util::chrToInt(
ParagonIE_Sodium_Core_Util::substr($var, $i, 1)
);
$copy .= ParagonIE_Sodium_Core_Util::intToChr($c);
$c >>= 8;
}
$var = $copy;
}
/**
* @param string $str
* @return bool
*
* @throws SodiumException
*/
public static function is_zero($str)
{
$d = 0;
for ($i = 0; $i < 32; ++$i) {
$d |= ParagonIE_Sodium_Core_Util::chrToInt($str[$i]);
}
return ((($d - 1) >> 31) & 1) === 1;
}
/**
* The equivalent to the libsodium minor version we aim to be compatible
* with (sans pwhash and memzero).
*
* @return int
*/
public static function library_version_major()
{
if (self::useNewSodiumAPI() && defined('SODIUM_LIBRARY_MAJOR_VERSION')) {
return SODIUM_LIBRARY_MAJOR_VERSION;
}
if (self::use_fallback('library_version_major')) {
/** @psalm-suppress UndefinedFunction */
return (int) call_user_func('\\Sodium\\library_version_major');
}
return self::LIBRARY_VERSION_MAJOR;
}
/**
* The equivalent to the libsodium minor version we aim to be compatible
* with (sans pwhash and memzero).
*
* @return int
*/
public static function library_version_minor()
{
if (self::useNewSodiumAPI() && defined('SODIUM_LIBRARY_MINOR_VERSION')) {
return SODIUM_LIBRARY_MINOR_VERSION;
}
if (self::use_fallback('library_version_minor')) {
/** @psalm-suppress UndefinedFunction */
return (int) call_user_func('\\Sodium\\library_version_minor');
}
return self::LIBRARY_VERSION_MINOR;
}
/**
* Compare two strings.
*
* @param string $left
* @param string $right
* @return int
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
*/
public static function memcmp($left, $right)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($left, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($right, 'string', 2);
if (self::useNewSodiumAPI()) {
return sodium_memcmp($left, $right);
}
if (self::use_fallback('memcmp')) {
return (int) call_user_func('\\Sodium\\memcmp', $left, $right);
}
/** @var string $left */
/** @var string $right */
return ParagonIE_Sodium_Core_Util::memcmp($left, $right);
}
/**
* It's actually not possible to zero memory buffers in PHP. You need the
* native library for that.
*
* @param string|null $var
* @param-out string|null $var
*
* @return void
* @throws SodiumException (Unless libsodium is installed)
* @throws TypeError
* @psalm-suppress TooFewArguments
*/
public static function memzero(&$var)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($var, 'string', 1);
if (self::useNewSodiumAPI()) {
/** @psalm-suppress MixedArgument */
sodium_memzero($var);
return;
}
if (self::use_fallback('memzero')) {
$func = '\\Sodium\\memzero';
$func($var);
if ($var === null) {
return;
}
}
// This is the best we can do.
throw new SodiumException(
'This is not implemented in sodium_compat, as it is not possible to securely wipe memory from PHP. ' .
'To fix this error, make sure libsodium is installed and the PHP extension is enabled.'
);
}
/**
* @param string $unpadded
* @param int $blockSize
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function pad($unpadded, $blockSize, $dontFallback = false)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($unpadded, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($blockSize, 'int', 2);
$unpadded = (string) $unpadded;
$blockSize = (int) $blockSize;
if (self::useNewSodiumAPI() && !$dontFallback) {
return (string) sodium_pad($unpadded, $blockSize);
}
if ($blockSize <= 0) {
throw new SodiumException(
'block size cannot be less than 1'
);
}
$unpadded_len = ParagonIE_Sodium_Core_Util::strlen($unpadded);
$xpadlen = ($blockSize - 1);
if (($blockSize & ($blockSize - 1)) === 0) {
$xpadlen -= $unpadded_len & ($blockSize - 1);
} else {
$xpadlen -= $unpadded_len % $blockSize;
}
$xpadded_len = $unpadded_len + $xpadlen;
$padded = str_repeat("\0", $xpadded_len - 1);
if ($unpadded_len > 0) {
$st = 1;
$i = 0;
$k = $unpadded_len;
for ($j = 0; $j <= $xpadded_len; ++$j) {
$i = (int) $i;
$k = (int) $k;
$st = (int) $st;
if ($j >= $unpadded_len) {
$padded[$j] = "\0";
} else {
$padded[$j] = $unpadded[$j];
}
/** @var int $k */
$k -= $st;
$st = (int) (~(
(
(
($k >> 48)
|
($k >> 32)
|
($k >> 16)
|
$k
) - 1
) >> 16
)
) & 1;
$i += $st;
}
}
$mask = 0;
$tail = $xpadded_len;
for ($i = 0; $i < $blockSize; ++$i) {
# barrier_mask = (unsigned char)
# (((i ^ xpadlen) - 1U) >> ((sizeof(size_t) - 1U) * CHAR_BIT));
$barrier_mask = (($i ^ $xpadlen) -1) >> ((PHP_INT_SIZE << 3) - 1);
# tail[-i] = (tail[-i] & mask) | (0x80 & barrier_mask);
$padded[$tail - $i] = ParagonIE_Sodium_Core_Util::intToChr(
(ParagonIE_Sodium_Core_Util::chrToInt($padded[$tail - $i]) & $mask)
|
(0x80 & $barrier_mask)
);
# mask |= barrier_mask;
$mask |= $barrier_mask;
}
return $padded;
}
/**
* @param string $padded
* @param int $blockSize
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function unpad($padded, $blockSize, $dontFallback = false)
{
/* Type checks: */
ParagonIE_Sodium_Core_Util::declareScalarType($padded, 'string', 1);
ParagonIE_Sodium_Core_Util::declareScalarType($blockSize, 'int', 2);
$padded = (string) $padded;
$blockSize = (int) $blockSize;
if (self::useNewSodiumAPI() && !$dontFallback) {
return (string) sodium_unpad($padded, $blockSize);
}
if ($blockSize <= 0) {
throw new SodiumException('block size cannot be less than 1');
}
$padded_len = ParagonIE_Sodium_Core_Util::strlen($padded);
if ($padded_len < $blockSize) {
throw new SodiumException('invalid padding');
}
# tail = &padded[padded_len - 1U];
$tail = $padded_len - 1;
$acc = 0;
$valid = 0;
$pad_len = 0;
$found = 0;
for ($i = 0; $i < $blockSize; ++$i) {
# c = tail[-i];
$c = ParagonIE_Sodium_Core_Util::chrToInt($padded[$tail - $i]);
# is_barrier =
# (( (acc - 1U) & (pad_len - 1U) & ((c ^ 0x80) - 1U) ) >> 8) & 1U;
$is_barrier = (
(
($acc - 1) & ($pad_len - 1) & (($c ^ 80) - 1)
) >> 7
) & 1;
$is_barrier &= ~$found;
$found |= $is_barrier;
# acc |= c;
$acc |= $c;
# pad_len |= i & (1U + ~is_barrier);
$pad_len |= $i & (1 + ~$is_barrier);
# valid |= (unsigned char) is_barrier;
$valid |= ($is_barrier & 0xff);
}
# unpadded_len = padded_len - 1U - pad_len;
$unpadded_len = $padded_len - 1 - $pad_len;
if ($valid !== 1) {
throw new SodiumException('invalid padding');
}
return ParagonIE_Sodium_Core_Util::substr($padded, 0, $unpadded_len);
}
/**
* Will sodium_compat run fast on the current hardware and PHP configuration?
*
* @return bool
*/
public static function polyfill_is_fast()
{
if (extension_loaded('sodium')) {
return true;
}
if (extension_loaded('libsodium')) {
return true;
}
return PHP_INT_SIZE === 8;
}
/**
* Generate a string of bytes from the kernel's CSPRNG.
* Proudly uses /dev/urandom (if getrandom(2) is not available).
*
* @param int $numBytes
* @return string
* @throws Exception
* @throws TypeError
*/
public static function randombytes_buf($numBytes)
{
/* Type checks: */
if (!is_int($numBytes)) {
if (is_numeric($numBytes)) {
$numBytes = (int) $numBytes;
} else {
throw new TypeError(
'Argument 1 must be an integer, ' . gettype($numBytes) . ' given.'
);
}
}
if (self::use_fallback('randombytes_buf')) {
return (string) call_user_func('\\Sodium\\randombytes_buf', $numBytes);
}
return random_bytes($numBytes);
}
/**
* Generate an integer between 0 and $range (non-inclusive).
*
* @param int $range
* @return int
* @throws Exception
* @throws Error
* @throws TypeError
*/
public static function randombytes_uniform($range)
{
/* Type checks: */
if (!is_int($range)) {
if (is_numeric($range)) {
$range = (int) $range;
} else {
throw new TypeError(
'Argument 1 must be an integer, ' . gettype($range) . ' given.'
);
}
}
if (self::use_fallback('randombytes_uniform')) {
return (int) call_user_func('\\Sodium\\randombytes_uniform', $range);
}
return random_int(0, $range - 1);
}
/**
* Generate a random 16-bit integer.
*
* @return int
* @throws Exception
* @throws Error
* @throws TypeError
*/
public static function randombytes_random16()
{
if (self::use_fallback('randombytes_random16')) {
return (int) call_user_func('\\Sodium\\randombytes_random16');
}
return random_int(0, 65535);
}
/**
* @param string $p
* @param bool $dontFallback
* @return bool
* @throws SodiumException
*/
public static function ristretto255_is_valid_point($p, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_is_valid_point($p);
}
try {
$r = ParagonIE_Sodium_Core_Ristretto255::ristretto255_frombytes($p);
return $r['res'] === 0 &&
ParagonIE_Sodium_Core_Ristretto255::ristretto255_point_is_canonical($p) === 1;
} catch (SodiumException $ex) {
if ($ex->getMessage() === 'S is not canonical') {
return false;
}
throw $ex;
}
}
/**
* @param string $p
* @param string $q
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function ristretto255_add($p, $q, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_add($p, $q);
}
return ParagonIE_Sodium_Core_Ristretto255::ristretto255_add($p, $q);
}
/**
* @param string $p
* @param string $q
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function ristretto255_sub($p, $q, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_sub($p, $q);
}
return ParagonIE_Sodium_Core_Ristretto255::ristretto255_sub($p, $q);
}
/**
* @param string $r
* @param bool $dontFallback
* @return string
*
* @throws SodiumException
*/
public static function ristretto255_from_hash($r, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_from_hash($r);
}
return ParagonIE_Sodium_Core_Ristretto255::ristretto255_from_hash($r);
}
/**
* @param bool $dontFallback
* @return string
*
* @throws SodiumException
*/
public static function ristretto255_random($dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_random();
}
return ParagonIE_Sodium_Core_Ristretto255::ristretto255_random();
}
/**
* @param bool $dontFallback
* @return string
*
* @throws SodiumException
*/
public static function ristretto255_scalar_random($dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_scalar_random();
}
return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_random();
}
/**
* @param string $s
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function ristretto255_scalar_invert($s, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_scalar_invert($s);
}
return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_invert($s);
}
/**
* @param string $s
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function ristretto255_scalar_negate($s, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_scalar_negate($s);
}
return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_negate($s);
}
/**
* @param string $s
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function ristretto255_scalar_complement($s, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_scalar_complement($s);
}
return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_complement($s);
}
/**
* @param string $x
* @param string $y
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function ristretto255_scalar_add($x, $y, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_scalar_add($x, $y);
}
return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_add($x, $y);
}
/**
* @param string $x
* @param string $y
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function ristretto255_scalar_sub($x, $y, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_scalar_sub($x, $y);
}
return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_sub($x, $y);
}
/**
* @param string $x
* @param string $y
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function ristretto255_scalar_mul($x, $y, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_scalar_mul($x, $y);
}
return ParagonIE_Sodium_Core_Ristretto255::ristretto255_scalar_mul($x, $y);
}
/**
* @param string $n
* @param string $p
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function scalarmult_ristretto255($n, $p, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_scalarmult_ristretto255($n, $p);
}
return ParagonIE_Sodium_Core_Ristretto255::scalarmult_ristretto255($n, $p);
}
/**
* @param string $n
* @param string $p
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function scalarmult_ristretto255_base($n, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_scalarmult_ristretto255_base($n);
}
return ParagonIE_Sodium_Core_Ristretto255::scalarmult_ristretto255_base($n);
}
/**
* @param string $s
* @param bool $dontFallback
* @return string
* @throws SodiumException
*/
public static function ristretto255_scalar_reduce($s, $dontFallback = false)
{
if (self::useNewSodiumAPI() && !$dontFallback) {
return sodium_crypto_core_ristretto255_scalar_reduce($s);
}
return ParagonIE_Sodium_Core_Ristretto255::sc_reduce($s);
}
/**
* Runtime testing method for 32-bit platforms.
*
* Usage: If runtime_speed_test() returns FALSE, then our 32-bit
* implementation is to slow to use safely without risking timeouts.
* If this happens, install sodium from PECL to get acceptable
* performance.
*
* @param int $iterations Number of multiplications to attempt
* @param int $maxTimeout Milliseconds
* @return bool TRUE if we're fast enough, FALSE is not
* @throws SodiumException
*/
public static function runtime_speed_test($iterations, $maxTimeout)
{
if (self::polyfill_is_fast()) {
return true;
}
/** @var float $end */
$end = 0.0;
/** @var float $start */
$start = microtime(true);
/** @var ParagonIE_Sodium_Core32_Int64 $a */
$a = ParagonIE_Sodium_Core32_Int64::fromInt(random_int(3, 1 << 16));
for ($i = 0; $i < $iterations; ++$i) {
/** @var ParagonIE_Sodium_Core32_Int64 $b */
$b = ParagonIE_Sodium_Core32_Int64::fromInt(random_int(3, 1 << 16));
$a->mulInt64($b);
}
/** @var float $end */
$end = microtime(true);
/** @var int $diff */
$diff = (int) ceil(($end - $start) * 1000);
return $diff < $maxTimeout;
}
/**
* Add two numbers (little-endian unsigned), storing the value in the first
* parameter.
*
* This mutates $val.
*
* @param string $val
* @param string $addv
* @return void
* @throws SodiumException
*/
public static function sub(&$val, $addv)
{
$val_len = ParagonIE_Sodium_Core_Util::strlen($val);
$addv_len = ParagonIE_Sodium_Core_Util::strlen($addv);
if ($val_len !== $addv_len) {
throw new SodiumException('values must have the same length');
}
$A = ParagonIE_Sodium_Core_Util::stringToIntArray($val);
$B = ParagonIE_Sodium_Core_Util::stringToIntArray($addv);
$c = 0;
for ($i = 0; $i < $val_len; $i++) {
$c = ($A[$i] - $B[$i] - $c);
$A[$i] = ($c & 0xff);
$c = ($c >> 8) & 1;
}
$val = ParagonIE_Sodium_Core_Util::intArrayToString($A);
}
/**
* This emulates libsodium's version_string() function, except ours is
* prefixed with 'polyfill-'.
*
* @return string
* @psalm-suppress MixedInferredReturnType
* @psalm-suppress UndefinedFunction
*/
public static function version_string()
{
if (self::useNewSodiumAPI()) {
return (string) sodium_version_string();
}
if (self::use_fallback('version_string')) {
return (string) call_user_func('\\Sodium\\version_string');
}
return (string) self::VERSION_STRING;
}
/**
* Should we use the libsodium core function instead?
* This is always a good idea, if it's available. (Unless we're in the
* middle of running our unit test suite.)
*
* If ext/libsodium is available, use it. Return TRUE.
* Otherwise, we have to use the code provided herein. Return FALSE.
*
* @param string $sodium_func_name
*
* @return bool
*/
protected static function use_fallback($sodium_func_name = '')
{
static $res = null;
if ($res === null) {
$res = extension_loaded('libsodium') && PHP_VERSION_ID >= 50300;
}
if ($res === false) {
// No libsodium installed
return false;
}
if (self::$disableFallbackForUnitTests) {
// Don't fallback. Use the PHP implementation.
return false;
}
if (!empty($sodium_func_name)) {
return is_callable('\\Sodium\\' . $sodium_func_name);
}
return true;
}
/**
* Libsodium as implemented in PHP 7.2
* and/or ext/sodium (via PECL)
*
* @ref https://wiki.php.net/rfc/libsodium
* @return bool
*/
protected static function useNewSodiumAPI()
{
static $res = null;
if ($res === null) {
$res = PHP_VERSION_ID >= 70000 && extension_loaded('sodium');
}
if (self::$disableFallbackForUnitTests) {
// Don't fallback. Use the PHP implementation.
return false;
}
return (bool) $res;
}
}
src/Core/Base64/Common.php 0000644 00000015027 15120157171 0011215 0 ustar 00 $chunk */
$chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 3));
$b0 = $chunk[1];
$b1 = $chunk[2];
$b2 = $chunk[3];
$dest .=
self::encode6Bits( $b0 >> 2 ) .
self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) .
self::encode6Bits((($b1 << 2) | ($b2 >> 6)) & 63) .
self::encode6Bits( $b2 & 63);
}
// The last chunk, which may have padding:
if ($i < $srcLen) {
/** @var array $chunk */
$chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i));
$b0 = $chunk[1];
if ($i + 1 < $srcLen) {
$b1 = $chunk[2];
$dest .=
self::encode6Bits($b0 >> 2) .
self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) .
self::encode6Bits(($b1 << 2) & 63);
if ($pad) {
$dest .= '=';
}
} else {
$dest .=
self::encode6Bits( $b0 >> 2) .
self::encode6Bits(($b0 << 4) & 63);
if ($pad) {
$dest .= '==';
}
}
}
return $dest;
}
/**
* decode from base64 into binary
*
* Base64 character set "./[A-Z][a-z][0-9]"
*
* @param string $src
* @param bool $strictPadding
* @return string
* @throws RangeException
* @throws TypeError
* @psalm-suppress RedundantCondition
*/
public static function decode($src, $strictPadding = false)
{
// Remove padding
$srcLen = ParagonIE_Sodium_Core_Util::strlen($src);
if ($srcLen === 0) {
return '';
}
if ($strictPadding) {
if (($srcLen & 3) === 0) {
if ($src[$srcLen - 1] === '=') {
$srcLen--;
if ($src[$srcLen - 1] === '=') {
$srcLen--;
}
}
}
if (($srcLen & 3) === 1) {
throw new RangeException(
'Incorrect padding'
);
}
if ($src[$srcLen - 1] === '=') {
throw new RangeException(
'Incorrect padding'
);
}
} else {
$src = rtrim($src, '=');
$srcLen = ParagonIE_Sodium_Core_Util::strlen($src);
}
$err = 0;
$dest = '';
// Main loop (no padding):
for ($i = 0; $i + 4 <= $srcLen; $i += 4) {
/** @var array $chunk */
$chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 4));
$c0 = self::decode6Bits($chunk[1]);
$c1 = self::decode6Bits($chunk[2]);
$c2 = self::decode6Bits($chunk[3]);
$c3 = self::decode6Bits($chunk[4]);
$dest .= pack(
'CCC',
((($c0 << 2) | ($c1 >> 4)) & 0xff),
((($c1 << 4) | ($c2 >> 2)) & 0xff),
((($c2 << 6) | $c3 ) & 0xff)
);
$err |= ($c0 | $c1 | $c2 | $c3) >> 8;
}
// The last chunk, which may have padding:
if ($i < $srcLen) {
/** @var array $chunk */
$chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i));
$c0 = self::decode6Bits($chunk[1]);
if ($i + 2 < $srcLen) {
$c1 = self::decode6Bits($chunk[2]);
$c2 = self::decode6Bits($chunk[3]);
$dest .= pack(
'CC',
((($c0 << 2) | ($c1 >> 4)) & 0xff),
((($c1 << 4) | ($c2 >> 2)) & 0xff)
);
$err |= ($c0 | $c1 | $c2) >> 8;
} elseif ($i + 1 < $srcLen) {
$c1 = self::decode6Bits($chunk[2]);
$dest .= pack(
'C',
((($c0 << 2) | ($c1 >> 4)) & 0xff)
);
$err |= ($c0 | $c1) >> 8;
} elseif ($i < $srcLen && $strictPadding) {
$err |= 1;
}
}
/** @var bool $check */
$check = ($err === 0);
if (!$check) {
throw new RangeException(
'Base64::decode() only expects characters in the correct base64 alphabet'
);
}
return $dest;
}
/**
* Uses bitwise operators instead of table-lookups to turn 6-bit integers
* into 8-bit integers.
*
* Base64 character set:
* [A-Z] [a-z] [0-9] + /
* 0x41-0x5a, 0x61-0x7a, 0x30-0x39, 0x2b, 0x2f
*
* @param int $src
* @return int
*/
abstract protected static function decode6Bits($src);
/**
* Uses bitwise operators instead of table-lookups to turn 8-bit integers
* into 6-bit integers.
*
* @param int $src
* @return string
*/
abstract protected static function encode6Bits($src);
}
src/Core/Base64/Original.php 0000644 00000017055 15120157171 0011534 0 ustar 00 $chunk */
$chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 3));
$b0 = $chunk[1];
$b1 = $chunk[2];
$b2 = $chunk[3];
$dest .=
self::encode6Bits( $b0 >> 2 ) .
self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) .
self::encode6Bits((($b1 << 2) | ($b2 >> 6)) & 63) .
self::encode6Bits( $b2 & 63);
}
// The last chunk, which may have padding:
if ($i < $srcLen) {
/** @var array $chunk */
$chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i));
$b0 = $chunk[1];
if ($i + 1 < $srcLen) {
$b1 = $chunk[2];
$dest .=
self::encode6Bits($b0 >> 2) .
self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) .
self::encode6Bits(($b1 << 2) & 63);
if ($pad) {
$dest .= '=';
}
} else {
$dest .=
self::encode6Bits( $b0 >> 2) .
self::encode6Bits(($b0 << 4) & 63);
if ($pad) {
$dest .= '==';
}
}
}
return $dest;
}
/**
* decode from base64 into binary
*
* Base64 character set "./[A-Z][a-z][0-9]"
*
* @param string $src
* @param bool $strictPadding
* @return string
* @throws RangeException
* @throws TypeError
* @psalm-suppress RedundantCondition
*/
public static function decode($src, $strictPadding = false)
{
// Remove padding
$srcLen = ParagonIE_Sodium_Core_Util::strlen($src);
if ($srcLen === 0) {
return '';
}
if ($strictPadding) {
if (($srcLen & 3) === 0) {
if ($src[$srcLen - 1] === '=') {
$srcLen--;
if ($src[$srcLen - 1] === '=') {
$srcLen--;
}
}
}
if (($srcLen & 3) === 1) {
throw new RangeException(
'Incorrect padding'
);
}
if ($src[$srcLen - 1] === '=') {
throw new RangeException(
'Incorrect padding'
);
}
} else {
$src = rtrim($src, '=');
$srcLen = ParagonIE_Sodium_Core_Util::strlen($src);
}
$err = 0;
$dest = '';
// Main loop (no padding):
for ($i = 0; $i + 4 <= $srcLen; $i += 4) {
/** @var array $chunk */
$chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 4));
$c0 = self::decode6Bits($chunk[1]);
$c1 = self::decode6Bits($chunk[2]);
$c2 = self::decode6Bits($chunk[3]);
$c3 = self::decode6Bits($chunk[4]);
$dest .= pack(
'CCC',
((($c0 << 2) | ($c1 >> 4)) & 0xff),
((($c1 << 4) | ($c2 >> 2)) & 0xff),
((($c2 << 6) | $c3) & 0xff)
);
$err |= ($c0 | $c1 | $c2 | $c3) >> 8;
}
// The last chunk, which may have padding:
if ($i < $srcLen) {
/** @var array $chunk */
$chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i));
$c0 = self::decode6Bits($chunk[1]);
if ($i + 2 < $srcLen) {
$c1 = self::decode6Bits($chunk[2]);
$c2 = self::decode6Bits($chunk[3]);
$dest .= pack(
'CC',
((($c0 << 2) | ($c1 >> 4)) & 0xff),
((($c1 << 4) | ($c2 >> 2)) & 0xff)
);
$err |= ($c0 | $c1 | $c2) >> 8;
} elseif ($i + 1 < $srcLen) {
$c1 = self::decode6Bits($chunk[2]);
$dest .= pack(
'C',
((($c0 << 2) | ($c1 >> 4)) & 0xff)
);
$err |= ($c0 | $c1) >> 8;
} elseif ($i < $srcLen && $strictPadding) {
$err |= 1;
}
}
/** @var bool $check */
$check = ($err === 0);
if (!$check) {
throw new RangeException(
'Base64::decode() only expects characters in the correct base64 alphabet'
);
}
return $dest;
}
// COPY ParagonIE_Sodium_Core_Base64_Common ENDING HERE
/**
* Uses bitwise operators instead of table-lookups to turn 6-bit integers
* into 8-bit integers.
*
* Base64 character set:
* [A-Z] [a-z] [0-9] + /
* 0x41-0x5a, 0x61-0x7a, 0x30-0x39, 0x2b, 0x2f
*
* @param int $src
* @return int
*/
protected static function decode6Bits($src)
{
$ret = -1;
// if ($src > 0x40 && $src < 0x5b) $ret += $src - 0x41 + 1; // -64
$ret += (((0x40 - $src) & ($src - 0x5b)) >> 8) & ($src - 64);
// if ($src > 0x60 && $src < 0x7b) $ret += $src - 0x61 + 26 + 1; // -70
$ret += (((0x60 - $src) & ($src - 0x7b)) >> 8) & ($src - 70);
// if ($src > 0x2f && $src < 0x3a) $ret += $src - 0x30 + 52 + 1; // 5
$ret += (((0x2f - $src) & ($src - 0x3a)) >> 8) & ($src + 5);
// if ($src == 0x2b) $ret += 62 + 1;
$ret += (((0x2a - $src) & ($src - 0x2c)) >> 8) & 63;
// if ($src == 0x2f) ret += 63 + 1;
$ret += (((0x2e - $src) & ($src - 0x30)) >> 8) & 64;
return $ret;
}
/**
* Uses bitwise operators instead of table-lookups to turn 8-bit integers
* into 6-bit integers.
*
* @param int $src
* @return string
*/
protected static function encode6Bits($src)
{
$diff = 0x41;
// if ($src > 25) $diff += 0x61 - 0x41 - 26; // 6
$diff += ((25 - $src) >> 8) & 6;
// if ($src > 51) $diff += 0x30 - 0x61 - 26; // -75
$diff -= ((51 - $src) >> 8) & 75;
// if ($src > 61) $diff += 0x2b - 0x30 - 10; // -15
$diff -= ((61 - $src) >> 8) & 15;
// if ($src > 62) $diff += 0x2f - 0x2b - 1; // 3
$diff += ((62 - $src) >> 8) & 3;
return pack('C', $src + $diff);
}
}
src/Core/Base64/UrlSafe.php 0000644 00000017063 15120157171 0011330 0 ustar 00 $chunk */
$chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 3));
$b0 = $chunk[1];
$b1 = $chunk[2];
$b2 = $chunk[3];
$dest .=
self::encode6Bits( $b0 >> 2 ) .
self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) .
self::encode6Bits((($b1 << 2) | ($b2 >> 6)) & 63) .
self::encode6Bits( $b2 & 63);
}
// The last chunk, which may have padding:
if ($i < $srcLen) {
/** @var array $chunk */
$chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i));
$b0 = $chunk[1];
if ($i + 1 < $srcLen) {
$b1 = $chunk[2];
$dest .=
self::encode6Bits($b0 >> 2) .
self::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) .
self::encode6Bits(($b1 << 2) & 63);
if ($pad) {
$dest .= '=';
}
} else {
$dest .=
self::encode6Bits( $b0 >> 2) .
self::encode6Bits(($b0 << 4) & 63);
if ($pad) {
$dest .= '==';
}
}
}
return $dest;
}
/**
* decode from base64 into binary
*
* Base64 character set "./[A-Z][a-z][0-9]"
*
* @param string $src
* @param bool $strictPadding
* @return string
* @throws RangeException
* @throws TypeError
* @psalm-suppress RedundantCondition
*/
public static function decode($src, $strictPadding = false)
{
// Remove padding
$srcLen = ParagonIE_Sodium_Core_Util::strlen($src);
if ($srcLen === 0) {
return '';
}
if ($strictPadding) {
if (($srcLen & 3) === 0) {
if ($src[$srcLen - 1] === '=') {
$srcLen--;
if ($src[$srcLen - 1] === '=') {
$srcLen--;
}
}
}
if (($srcLen & 3) === 1) {
throw new RangeException(
'Incorrect padding'
);
}
if ($src[$srcLen - 1] === '=') {
throw new RangeException(
'Incorrect padding'
);
}
} else {
$src = rtrim($src, '=');
$srcLen = ParagonIE_Sodium_Core_Util::strlen($src);
}
$err = 0;
$dest = '';
// Main loop (no padding):
for ($i = 0; $i + 4 <= $srcLen; $i += 4) {
/** @var array $chunk */
$chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, 4));
$c0 = self::decode6Bits($chunk[1]);
$c1 = self::decode6Bits($chunk[2]);
$c2 = self::decode6Bits($chunk[3]);
$c3 = self::decode6Bits($chunk[4]);
$dest .= pack(
'CCC',
((($c0 << 2) | ($c1 >> 4)) & 0xff),
((($c1 << 4) | ($c2 >> 2)) & 0xff),
((($c2 << 6) | $c3) & 0xff)
);
$err |= ($c0 | $c1 | $c2 | $c3) >> 8;
}
// The last chunk, which may have padding:
if ($i < $srcLen) {
/** @var array $chunk */
$chunk = unpack('C*', ParagonIE_Sodium_Core_Util::substr($src, $i, $srcLen - $i));
$c0 = self::decode6Bits($chunk[1]);
if ($i + 2 < $srcLen) {
$c1 = self::decode6Bits($chunk[2]);
$c2 = self::decode6Bits($chunk[3]);
$dest .= pack(
'CC',
((($c0 << 2) | ($c1 >> 4)) & 0xff),
((($c1 << 4) | ($c2 >> 2)) & 0xff)
);
$err |= ($c0 | $c1 | $c2) >> 8;
} elseif ($i + 1 < $srcLen) {
$c1 = self::decode6Bits($chunk[2]);
$dest .= pack(
'C',
((($c0 << 2) | ($c1 >> 4)) & 0xff)
);
$err |= ($c0 | $c1) >> 8;
} elseif ($i < $srcLen && $strictPadding) {
$err |= 1;
}
}
/** @var bool $check */
$check = ($err === 0);
if (!$check) {
throw new RangeException(
'Base64::decode() only expects characters in the correct base64 alphabet'
);
}
return $dest;
}
// COPY ParagonIE_Sodium_Core_Base64_Common ENDING HERE
/**
* Uses bitwise operators instead of table-lookups to turn 6-bit integers
* into 8-bit integers.
*
* Base64 character set:
* [A-Z] [a-z] [0-9] + /
* 0x41-0x5a, 0x61-0x7a, 0x30-0x39, 0x2b, 0x2f
*
* @param int $src
* @return int
*/
protected static function decode6Bits($src)
{
$ret = -1;
// if ($src > 0x40 && $src < 0x5b) $ret += $src - 0x41 + 1; // -64
$ret += (((0x40 - $src) & ($src - 0x5b)) >> 8) & ($src - 64);
// if ($src > 0x60 && $src < 0x7b) $ret += $src - 0x61 + 26 + 1; // -70
$ret += (((0x60 - $src) & ($src - 0x7b)) >> 8) & ($src - 70);
// if ($src > 0x2f && $src < 0x3a) $ret += $src - 0x30 + 52 + 1; // 5
$ret += (((0x2f - $src) & ($src - 0x3a)) >> 8) & ($src + 5);
// if ($src == 0x2c) $ret += 62 + 1;
$ret += (((0x2c - $src) & ($src - 0x2e)) >> 8) & 63;
// if ($src == 0x5f) ret += 63 + 1;
$ret += (((0x5e - $src) & ($src - 0x60)) >> 8) & 64;
return $ret;
}
/**
* Uses bitwise operators instead of table-lookups to turn 8-bit integers
* into 6-bit integers.
*
* @param int $src
* @return string
*/
protected static function encode6Bits($src)
{
$diff = 0x41;
// if ($src > 25) $diff += 0x61 - 0x41 - 26; // 6
$diff += ((25 - $src) >> 8) & 6;
// if ($src > 51) $diff += 0x30 - 0x61 - 26; // -75
$diff -= ((51 - $src) >> 8) & 75;
// if ($src > 61) $diff += 0x2d - 0x30 - 10; // -13
$diff -= ((61 - $src) >> 8) & 13;
// if ($src > 62) $diff += 0x5f - 0x2b - 1; // 3
$diff += ((62 - $src) >> 8) & 49;
return pack('C', $src + $diff);
}
}
src/Core/Base64/error_log 0000644 00000001730 15120157171 0011165 0 ustar 00 [12-Dec-2025 19:04:31 UTC] PHP Strict Standards: Static function ParagonIE_Sodium_Core_Base64_Common::decode6Bits() should not be abstract in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Base64/Common.php on line 203
[12-Dec-2025 19:04:31 UTC] PHP Strict Standards: Static function ParagonIE_Sodium_Core_Base64_Common::encode6Bits() should not be abstract in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Base64/Common.php on line 212
[12-Dec-2025 19:04:45 UTC] PHP Strict Standards: Static function ParagonIE_Sodium_Core_Base64_Common::decode6Bits() should not be abstract in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Base64/Common.php on line 203
[12-Dec-2025 19:04:45 UTC] PHP Strict Standards: Static function ParagonIE_Sodium_Core_Base64_Common::encode6Bits() should not be abstract in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Base64/Common.php on line 212
src/Core/BLAKE2b.php 0000644 00000056605 15120157171 0010012 0 ustar 00 >
*/
protected static $sigma = array(
array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3),
array( 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4),
array( 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8),
array( 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13),
array( 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9),
array( 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11),
array( 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10),
array( 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5),
array( 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0),
array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3)
);
const BLOCKBYTES = 128;
const OUTBYTES = 64;
const KEYBYTES = 64;
/**
* Turn two 32-bit integers into a fixed array representing a 64-bit integer.
*
* @internal You should not use this directly from another application
*
* @param int $high
* @param int $low
* @return SplFixedArray
* @psalm-suppress MixedAssignment
*/
public static function new64($high, $low)
{
$i64 = new SplFixedArray(2);
$i64[0] = $high & 0xffffffff;
$i64[1] = $low & 0xffffffff;
return $i64;
}
/**
* Convert an arbitrary number into an SplFixedArray of two 32-bit integers
* that represents a 64-bit integer.
*
* @internal You should not use this directly from another application
*
* @param int $num
* @return SplFixedArray
*/
protected static function to64($num)
{
list($hi, $lo) = self::numericTo64BitInteger($num);
return self::new64($hi, $lo);
}
/**
* Adds two 64-bit integers together, returning their sum as a SplFixedArray
* containing two 32-bit integers (representing a 64-bit integer).
*
* @internal You should not use this directly from another application
*
* @param SplFixedArray $x
* @param SplFixedArray $y
* @return SplFixedArray
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedOperand
*/
protected static function add64($x, $y)
{
$l = ($x[1] + $y[1]) & 0xffffffff;
return self::new64(
(int) ($x[0] + $y[0] + (
($l < $x[1]) ? 1 : 0
)),
(int) $l
);
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $x
* @param SplFixedArray $y
* @param SplFixedArray $z
* @return SplFixedArray
*/
protected static function add364($x, $y, $z)
{
return self::add64($x, self::add64($y, $z));
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $x
* @param SplFixedArray $y
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
*/
protected static function xor64(SplFixedArray $x, SplFixedArray $y)
{
if (!is_numeric($x[0])) {
throw new SodiumException('x[0] is not an integer');
}
if (!is_numeric($x[1])) {
throw new SodiumException('x[1] is not an integer');
}
if (!is_numeric($y[0])) {
throw new SodiumException('y[0] is not an integer');
}
if (!is_numeric($y[1])) {
throw new SodiumException('y[1] is not an integer');
}
return self::new64(
(int) (($x[0] ^ $y[0]) & 0xffffffff),
(int) (($x[1] ^ $y[1]) & 0xffffffff)
);
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $x
* @param int $c
* @return SplFixedArray
* @psalm-suppress MixedAssignment
*/
public static function rotr64($x, $c)
{
if ($c >= 64) {
$c %= 64;
}
if ($c >= 32) {
/** @var int $tmp */
$tmp = $x[0];
$x[0] = $x[1];
$x[1] = $tmp;
$c -= 32;
}
if ($c === 0) {
return $x;
}
$l0 = 0;
$c = 64 - $c;
if ($c < 32) {
/** @var int $h0 */
$h0 = ((int) ($x[0]) << $c) | (
(
(int) ($x[1]) & ((1 << $c) - 1)
<<
(32 - $c)
) >> (32 - $c)
);
/** @var int $l0 */
$l0 = (int) ($x[1]) << $c;
} else {
/** @var int $h0 */
$h0 = (int) ($x[1]) << ($c - 32);
}
$h1 = 0;
$c1 = 64 - $c;
if ($c1 < 32) {
/** @var int $h1 */
$h1 = (int) ($x[0]) >> $c1;
/** @var int $l1 */
$l1 = ((int) ($x[1]) >> $c1) | ((int) ($x[0]) & ((1 << $c1) - 1)) << (32 - $c1);
} else {
/** @var int $l1 */
$l1 = (int) ($x[0]) >> ($c1 - 32);
}
return self::new64($h0 | $h1, $l0 | $l1);
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $x
* @return int
* @psalm-suppress MixedOperand
*/
protected static function flatten64($x)
{
return (int) ($x[0] * 4294967296 + $x[1]);
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $x
* @param int $i
* @return SplFixedArray
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayOffset
*/
protected static function load64(SplFixedArray $x, $i)
{
/** @var int $l */
$l = (int) ($x[$i])
| ((int) ($x[$i+1]) << 8)
| ((int) ($x[$i+2]) << 16)
| ((int) ($x[$i+3]) << 24);
/** @var int $h */
$h = (int) ($x[$i+4])
| ((int) ($x[$i+5]) << 8)
| ((int) ($x[$i+6]) << 16)
| ((int) ($x[$i+7]) << 24);
return self::new64($h, $l);
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $x
* @param int $i
* @param SplFixedArray $u
* @return void
* @psalm-suppress MixedAssignment
*/
protected static function store64(SplFixedArray $x, $i, SplFixedArray $u)
{
$maxLength = $x->getSize() - 1;
for ($j = 0; $j < 8; ++$j) {
/*
[0, 1, 2, 3, 4, 5, 6, 7]
... becomes ...
[0, 0, 0, 0, 1, 1, 1, 1]
*/
/** @var int $uIdx */
$uIdx = ((7 - $j) & 4) >> 2;
$x[$i] = ((int) ($u[$uIdx]) & 0xff);
if (++$i > $maxLength) {
return;
}
/** @psalm-suppress MixedOperand */
$u[$uIdx] >>= 8;
}
}
/**
* This just sets the $iv static variable.
*
* @internal You should not use this directly from another application
*
* @return void
*/
public static function pseudoConstructor()
{
static $called = false;
if ($called) {
return;
}
self::$iv = new SplFixedArray(8);
self::$iv[0] = self::new64(0x6a09e667, 0xf3bcc908);
self::$iv[1] = self::new64(0xbb67ae85, 0x84caa73b);
self::$iv[2] = self::new64(0x3c6ef372, 0xfe94f82b);
self::$iv[3] = self::new64(0xa54ff53a, 0x5f1d36f1);
self::$iv[4] = self::new64(0x510e527f, 0xade682d1);
self::$iv[5] = self::new64(0x9b05688c, 0x2b3e6c1f);
self::$iv[6] = self::new64(0x1f83d9ab, 0xfb41bd6b);
self::$iv[7] = self::new64(0x5be0cd19, 0x137e2179);
$called = true;
}
/**
* Returns a fresh BLAKE2 context.
*
* @internal You should not use this directly from another application
*
* @return SplFixedArray
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
*/
protected static function context()
{
$ctx = new SplFixedArray(6);
$ctx[0] = new SplFixedArray(8); // h
$ctx[1] = new SplFixedArray(2); // t
$ctx[2] = new SplFixedArray(2); // f
$ctx[3] = new SplFixedArray(256); // buf
$ctx[4] = 0; // buflen
$ctx[5] = 0; // last_node (uint8_t)
for ($i = 8; $i--;) {
$ctx[0][$i] = self::$iv[$i];
}
for ($i = 256; $i--;) {
$ctx[3][$i] = 0;
}
$zero = self::new64(0, 0);
$ctx[1][0] = $zero;
$ctx[1][1] = $zero;
$ctx[2][0] = $zero;
$ctx[2][1] = $zero;
return $ctx;
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @param SplFixedArray $buf
* @return void
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
*/
protected static function compress(SplFixedArray $ctx, SplFixedArray $buf)
{
$m = new SplFixedArray(16);
$v = new SplFixedArray(16);
for ($i = 16; $i--;) {
$m[$i] = self::load64($buf, $i << 3);
}
for ($i = 8; $i--;) {
$v[$i] = $ctx[0][$i];
}
$v[ 8] = self::$iv[0];
$v[ 9] = self::$iv[1];
$v[10] = self::$iv[2];
$v[11] = self::$iv[3];
$v[12] = self::xor64($ctx[1][0], self::$iv[4]);
$v[13] = self::xor64($ctx[1][1], self::$iv[5]);
$v[14] = self::xor64($ctx[2][0], self::$iv[6]);
$v[15] = self::xor64($ctx[2][1], self::$iv[7]);
for ($r = 0; $r < 12; ++$r) {
$v = self::G($r, 0, 0, 4, 8, 12, $v, $m);
$v = self::G($r, 1, 1, 5, 9, 13, $v, $m);
$v = self::G($r, 2, 2, 6, 10, 14, $v, $m);
$v = self::G($r, 3, 3, 7, 11, 15, $v, $m);
$v = self::G($r, 4, 0, 5, 10, 15, $v, $m);
$v = self::G($r, 5, 1, 6, 11, 12, $v, $m);
$v = self::G($r, 6, 2, 7, 8, 13, $v, $m);
$v = self::G($r, 7, 3, 4, 9, 14, $v, $m);
}
for ($i = 8; $i--;) {
$ctx[0][$i] = self::xor64(
$ctx[0][$i], self::xor64($v[$i], $v[$i+8])
);
}
}
/**
* @internal You should not use this directly from another application
*
* @param int $r
* @param int $i
* @param int $a
* @param int $b
* @param int $c
* @param int $d
* @param SplFixedArray $v
* @param SplFixedArray $m
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayOffset
*/
public static function G($r, $i, $a, $b, $c, $d, SplFixedArray $v, SplFixedArray $m)
{
$v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][$i << 1]]);
$v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 32);
$v[$c] = self::add64($v[$c], $v[$d]);
$v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 24);
$v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][($i << 1) + 1]]);
$v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 16);
$v[$c] = self::add64($v[$c], $v[$d]);
$v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 63);
return $v;
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @param int $inc
* @return void
* @throws SodiumException
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
*/
public static function increment_counter($ctx, $inc)
{
if ($inc < 0) {
throw new SodiumException('Increasing by a negative number makes no sense.');
}
$t = self::to64($inc);
# S->t is $ctx[1] in our implementation
# S->t[0] = ( uint64_t )( t >> 0 );
$ctx[1][0] = self::add64($ctx[1][0], $t);
# S->t[1] += ( S->t[0] < inc );
if (self::flatten64($ctx[1][0]) < $inc) {
$ctx[1][1] = self::add64($ctx[1][1], self::to64(1));
}
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @param SplFixedArray $p
* @param int $plen
* @return void
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
* @psalm-suppress MixedOperand
*/
public static function update(SplFixedArray $ctx, SplFixedArray $p, $plen)
{
self::pseudoConstructor();
$offset = 0;
while ($plen > 0) {
$left = $ctx[4];
$fill = 256 - $left;
if ($plen > $fill) {
# memcpy( S->buf + left, in, fill ); /* Fill buffer */
for ($i = $fill; $i--;) {
$ctx[3][$i + $left] = $p[$i + $offset];
}
# S->buflen += fill;
$ctx[4] += $fill;
# blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
self::increment_counter($ctx, 128);
# blake2b_compress( S, S->buf ); /* Compress */
self::compress($ctx, $ctx[3]);
# memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES ); /* Shift buffer left */
for ($i = 128; $i--;) {
$ctx[3][$i] = $ctx[3][$i + 128];
}
# S->buflen -= BLAKE2B_BLOCKBYTES;
$ctx[4] -= 128;
# in += fill;
$offset += $fill;
# inlen -= fill;
$plen -= $fill;
} else {
for ($i = $plen; $i--;) {
$ctx[3][$i + $left] = $p[$i + $offset];
}
$ctx[4] += $plen;
$offset += $plen;
$plen -= $plen;
}
}
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @param SplFixedArray $out
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
* @psalm-suppress MixedOperand
*/
public static function finish(SplFixedArray $ctx, SplFixedArray $out)
{
self::pseudoConstructor();
if ($ctx[4] > 128) {
self::increment_counter($ctx, 128);
self::compress($ctx, $ctx[3]);
$ctx[4] -= 128;
if ($ctx[4] > 128) {
throw new SodiumException('Failed to assert that buflen <= 128 bytes');
}
for ($i = $ctx[4]; $i--;) {
$ctx[3][$i] = $ctx[3][$i + 128];
}
}
self::increment_counter($ctx, $ctx[4]);
$ctx[2][0] = self::new64(0xffffffff, 0xffffffff);
for ($i = 256 - $ctx[4]; $i--;) {
$ctx[3][$i+$ctx[4]] = 0;
}
self::compress($ctx, $ctx[3]);
$i = (int) (($out->getSize() - 1) / 8);
for (; $i >= 0; --$i) {
self::store64($out, $i << 3, $ctx[0][$i]);
}
return $out;
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray|null $key
* @param int $outlen
* @param SplFixedArray|null $salt
* @param SplFixedArray|null $personal
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
*/
public static function init(
$key = null,
$outlen = 64,
$salt = null,
$personal = null
) {
self::pseudoConstructor();
$klen = 0;
if ($key !== null) {
if (count($key) > 64) {
throw new SodiumException('Invalid key size');
}
$klen = count($key);
}
if ($outlen > 64) {
throw new SodiumException('Invalid output size');
}
$ctx = self::context();
$p = new SplFixedArray(64);
// Zero our param buffer...
for ($i = 64; --$i;) {
$p[$i] = 0;
}
$p[0] = $outlen; // digest_length
$p[1] = $klen; // key_length
$p[2] = 1; // fanout
$p[3] = 1; // depth
if ($salt instanceof SplFixedArray) {
// salt: [32] through [47]
for ($i = 0; $i < 16; ++$i) {
$p[32 + $i] = (int) $salt[$i];
}
}
if ($personal instanceof SplFixedArray) {
// personal: [48] through [63]
for ($i = 0; $i < 16; ++$i) {
$p[48 + $i] = (int) $personal[$i];
}
}
$ctx[0][0] = self::xor64(
$ctx[0][0],
self::load64($p, 0)
);
if ($salt instanceof SplFixedArray || $personal instanceof SplFixedArray) {
// We need to do what blake2b_init_param() does:
for ($i = 1; $i < 8; ++$i) {
$ctx[0][$i] = self::xor64(
$ctx[0][$i],
self::load64($p, $i << 3)
);
}
}
if ($klen > 0 && $key instanceof SplFixedArray) {
$block = new SplFixedArray(128);
for ($i = 128; $i--;) {
$block[$i] = 0;
}
for ($i = $klen; $i--;) {
$block[$i] = $key[$i];
}
self::update($ctx, $block, 128);
$ctx[4] = 128;
}
return $ctx;
}
/**
* Convert a string into an SplFixedArray of integers
*
* @internal You should not use this directly from another application
*
* @param string $str
* @return SplFixedArray
* @psalm-suppress MixedArgumentTypeCoercion
*/
public static function stringToSplFixedArray($str = '')
{
$values = unpack('C*', $str);
return SplFixedArray::fromArray(array_values($values));
}
/**
* Convert an SplFixedArray of integers into a string
*
* @internal You should not use this directly from another application
*
* @param SplFixedArray $a
* @return string
* @throws TypeError
*/
public static function SplFixedArrayToString(SplFixedArray $a)
{
/**
* @var array $arr
*/
$arr = $a->toArray();
$c = $a->count();
array_unshift($arr, str_repeat('C', $c));
return (string) (call_user_func_array('pack', $arr));
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @return string
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
* @psalm-suppress MixedMethodCall
*/
public static function contextToString(SplFixedArray $ctx)
{
$str = '';
/** @var array> $ctxA */
$ctxA = $ctx[0]->toArray();
# uint64_t h[8];
for ($i = 0; $i < 8; ++$i) {
$str .= self::store32_le($ctxA[$i][1]);
$str .= self::store32_le($ctxA[$i][0]);
}
# uint64_t t[2];
# uint64_t f[2];
for ($i = 1; $i < 3; ++$i) {
$ctxA = $ctx[$i]->toArray();
$str .= self::store32_le($ctxA[0][1]);
$str .= self::store32_le($ctxA[0][0]);
$str .= self::store32_le($ctxA[1][1]);
$str .= self::store32_le($ctxA[1][0]);
}
# uint8_t buf[2 * 128];
$str .= self::SplFixedArrayToString($ctx[3]);
/** @var int $ctx4 */
$ctx4 = (int) $ctx[4];
# size_t buflen;
$str .= implode('', array(
self::intToChr($ctx4 & 0xff),
self::intToChr(($ctx4 >> 8) & 0xff),
self::intToChr(($ctx4 >> 16) & 0xff),
self::intToChr(($ctx4 >> 24) & 0xff),
self::intToChr(($ctx4 >> 32) & 0xff),
self::intToChr(($ctx4 >> 40) & 0xff),
self::intToChr(($ctx4 >> 48) & 0xff),
self::intToChr(($ctx4 >> 56) & 0xff)
));
# uint8_t last_node;
return $str . self::intToChr($ctx[5]) . str_repeat("\x00", 23);
}
/**
* Creates an SplFixedArray containing other SplFixedArray elements, from
* a string (compatible with \Sodium\crypto_generichash_{init, update, final})
*
* @internal You should not use this directly from another application
*
* @param string $string
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArrayAssignment
*/
public static function stringToContext($string)
{
$ctx = self::context();
# uint64_t h[8];
for ($i = 0; $i < 8; ++$i) {
$ctx[0][$i] = SplFixedArray::fromArray(
array(
self::load_4(
self::substr($string, (($i << 3) + 4), 4)
),
self::load_4(
self::substr($string, (($i << 3) + 0), 4)
)
)
);
}
# uint64_t t[2];
# uint64_t f[2];
for ($i = 1; $i < 3; ++$i) {
$ctx[$i][1] = SplFixedArray::fromArray(
array(
self::load_4(self::substr($string, 76 + (($i - 1) << 4), 4)),
self::load_4(self::substr($string, 72 + (($i - 1) << 4), 4))
)
);
$ctx[$i][0] = SplFixedArray::fromArray(
array(
self::load_4(self::substr($string, 68 + (($i - 1) << 4), 4)),
self::load_4(self::substr($string, 64 + (($i - 1) << 4), 4))
)
);
}
# uint8_t buf[2 * 128];
$ctx[3] = self::stringToSplFixedArray(self::substr($string, 96, 256));
# uint8_t buf[2 * 128];
$int = 0;
for ($i = 0; $i < 8; ++$i) {
$int |= self::chrToInt($string[352 + $i]) << ($i << 3);
}
$ctx[4] = $int;
return $ctx;
}
}
src/Core/ChaCha20/Ctx.php 0000644 00000007366 15120157171 0010757 0 ustar 00
*/
protected $container;
/**
* ParagonIE_Sodium_Core_ChaCha20_Ctx constructor.
*
* @internal You should not use this directly from another application
*
* @param string $key ChaCha20 key.
* @param string $iv Initialization Vector (a.k.a. nonce).
* @param string $counter The initial counter value.
* Defaults to 8 0x00 bytes.
* @throws InvalidArgumentException
* @throws TypeError
*/
public function __construct($key = '', $iv = '', $counter = '')
{
if (self::strlen($key) !== 32) {
throw new InvalidArgumentException('ChaCha20 expects a 256-bit key.');
}
if (self::strlen($iv) !== 8) {
throw new InvalidArgumentException('ChaCha20 expects a 64-bit nonce.');
}
$this->container = new SplFixedArray(16);
/* "expand 32-byte k" as per ChaCha20 spec */
$this->container[0] = 0x61707865;
$this->container[1] = 0x3320646e;
$this->container[2] = 0x79622d32;
$this->container[3] = 0x6b206574;
$this->container[4] = self::load_4(self::substr($key, 0, 4));
$this->container[5] = self::load_4(self::substr($key, 4, 4));
$this->container[6] = self::load_4(self::substr($key, 8, 4));
$this->container[7] = self::load_4(self::substr($key, 12, 4));
$this->container[8] = self::load_4(self::substr($key, 16, 4));
$this->container[9] = self::load_4(self::substr($key, 20, 4));
$this->container[10] = self::load_4(self::substr($key, 24, 4));
$this->container[11] = self::load_4(self::substr($key, 28, 4));
if (empty($counter)) {
$this->container[12] = 0;
$this->container[13] = 0;
} else {
$this->container[12] = self::load_4(self::substr($counter, 0, 4));
$this->container[13] = self::load_4(self::substr($counter, 4, 4));
}
$this->container[14] = self::load_4(self::substr($iv, 0, 4));
$this->container[15] = self::load_4(self::substr($iv, 4, 4));
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @param int $value
* @return void
* @psalm-suppress MixedArrayOffset
*/
public function offsetSet($offset, $value)
{
if (!is_int($offset)) {
throw new InvalidArgumentException('Expected an integer');
}
if (!is_int($value)) {
throw new InvalidArgumentException('Expected an integer');
}
$this->container[$offset] = $value;
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @return bool
*/
public function offsetExists($offset)
{
return isset($this->container[$offset]);
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @return void
* @psalm-suppress MixedArrayOffset
*/
public function offsetUnset($offset)
{
unset($this->container[$offset]);
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @return mixed|null
* @psalm-suppress MixedArrayOffset
*/
public function offsetGet($offset)
{
return isset($this->container[$offset])
? $this->container[$offset]
: null;
}
}
src/Core/ChaCha20/IetfCtx.php 0000644 00000002452 15120157171 0011556 0 ustar 00 container[12] = self::load_4(self::substr($counter, 0, 4));
}
$this->container[13] = self::load_4(self::substr($iv, 0, 4));
$this->container[14] = self::load_4(self::substr($iv, 4, 4));
$this->container[15] = self::load_4(self::substr($iv, 8, 4));
}
}
src/Core/ChaCha20/error_log 0000644 00000006200 15120157171 0011407 0 ustar 00 [27-Oct-2025 14:01:02 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php on line 10
[27-Oct-2025 14:01:02 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/IetfCtx.php on line 10
[27-Oct-2025 14:01:03 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php on line 10
[27-Oct-2025 14:01:03 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/IetfCtx.php on line 10
[27-Oct-2025 16:25:15 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/IetfCtx.php on line 10
[27-Oct-2025 16:25:15 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php on line 10
[27-Oct-2025 16:25:16 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/IetfCtx.php on line 10
[27-Oct-2025 16:25:16 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php on line 10
[27-Oct-2025 22:57:37 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/IetfCtx.php on line 10
[27-Oct-2025 22:57:37 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php on line 10
[27-Oct-2025 22:57:46 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/IetfCtx.php on line 10
[27-Oct-2025 22:57:47 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php on line 10
[12-Dec-2025 19:04:28 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php on line 10
[12-Dec-2025 19:04:28 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/IetfCtx.php on line 11
[12-Dec-2025 19:04:42 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/Ctx.php on line 10
[12-Dec-2025 19:04:43 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20/IetfCtx.php on line 11
src/Core/ChaCha20.php 0000644 00000031206 15120157171 0010207 0 ustar 00 > (32 - $n))
)
);
}
/**
* The ChaCha20 quarter round function. Works on four 32-bit integers.
*
* @internal You should not use this directly from another application
*
* @param int $a
* @param int $b
* @param int $c
* @param int $d
* @return array
*/
protected static function quarterRound($a, $b, $c, $d)
{
# a = PLUS(a,b); d = ROTATE(XOR(d,a),16);
/** @var int $a */
$a = ($a + $b) & 0xffffffff;
$d = self::rotate($d ^ $a, 16);
# c = PLUS(c,d); b = ROTATE(XOR(b,c),12);
/** @var int $c */
$c = ($c + $d) & 0xffffffff;
$b = self::rotate($b ^ $c, 12);
# a = PLUS(a,b); d = ROTATE(XOR(d,a), 8);
/** @var int $a */
$a = ($a + $b) & 0xffffffff;
$d = self::rotate($d ^ $a, 8);
# c = PLUS(c,d); b = ROTATE(XOR(b,c), 7);
/** @var int $c */
$c = ($c + $d) & 0xffffffff;
$b = self::rotate($b ^ $c, 7);
return array((int) $a, (int) $b, (int) $c, (int) $d);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_ChaCha20_Ctx $ctx
* @param string $message
*
* @return string
* @throws TypeError
* @throws SodiumException
*/
public static function encryptBytes(
ParagonIE_Sodium_Core_ChaCha20_Ctx $ctx,
$message = ''
) {
$bytes = self::strlen($message);
/*
j0 = ctx->input[0];
j1 = ctx->input[1];
j2 = ctx->input[2];
j3 = ctx->input[3];
j4 = ctx->input[4];
j5 = ctx->input[5];
j6 = ctx->input[6];
j7 = ctx->input[7];
j8 = ctx->input[8];
j9 = ctx->input[9];
j10 = ctx->input[10];
j11 = ctx->input[11];
j12 = ctx->input[12];
j13 = ctx->input[13];
j14 = ctx->input[14];
j15 = ctx->input[15];
*/
$j0 = (int) $ctx[0];
$j1 = (int) $ctx[1];
$j2 = (int) $ctx[2];
$j3 = (int) $ctx[3];
$j4 = (int) $ctx[4];
$j5 = (int) $ctx[5];
$j6 = (int) $ctx[6];
$j7 = (int) $ctx[7];
$j8 = (int) $ctx[8];
$j9 = (int) $ctx[9];
$j10 = (int) $ctx[10];
$j11 = (int) $ctx[11];
$j12 = (int) $ctx[12];
$j13 = (int) $ctx[13];
$j14 = (int) $ctx[14];
$j15 = (int) $ctx[15];
$c = '';
for (;;) {
if ($bytes < 64) {
$message .= str_repeat("\x00", 64 - $bytes);
}
$x0 = (int) $j0;
$x1 = (int) $j1;
$x2 = (int) $j2;
$x3 = (int) $j3;
$x4 = (int) $j4;
$x5 = (int) $j5;
$x6 = (int) $j6;
$x7 = (int) $j7;
$x8 = (int) $j8;
$x9 = (int) $j9;
$x10 = (int) $j10;
$x11 = (int) $j11;
$x12 = (int) $j12;
$x13 = (int) $j13;
$x14 = (int) $j14;
$x15 = (int) $j15;
# for (i = 20; i > 0; i -= 2) {
for ($i = 20; $i > 0; $i -= 2) {
# QUARTERROUND( x0, x4, x8, x12)
list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12);
# QUARTERROUND( x1, x5, x9, x13)
list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13);
# QUARTERROUND( x2, x6, x10, x14)
list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14);
# QUARTERROUND( x3, x7, x11, x15)
list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15);
# QUARTERROUND( x0, x5, x10, x15)
list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15);
# QUARTERROUND( x1, x6, x11, x12)
list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12);
# QUARTERROUND( x2, x7, x8, x13)
list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13);
# QUARTERROUND( x3, x4, x9, x14)
list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14);
}
/*
x0 = PLUS(x0, j0);
x1 = PLUS(x1, j1);
x2 = PLUS(x2, j2);
x3 = PLUS(x3, j3);
x4 = PLUS(x4, j4);
x5 = PLUS(x5, j5);
x6 = PLUS(x6, j6);
x7 = PLUS(x7, j7);
x8 = PLUS(x8, j8);
x9 = PLUS(x9, j9);
x10 = PLUS(x10, j10);
x11 = PLUS(x11, j11);
x12 = PLUS(x12, j12);
x13 = PLUS(x13, j13);
x14 = PLUS(x14, j14);
x15 = PLUS(x15, j15);
*/
/** @var int $x0 */
$x0 = ($x0 & 0xffffffff) + $j0;
/** @var int $x1 */
$x1 = ($x1 & 0xffffffff) + $j1;
/** @var int $x2 */
$x2 = ($x2 & 0xffffffff) + $j2;
/** @var int $x3 */
$x3 = ($x3 & 0xffffffff) + $j3;
/** @var int $x4 */
$x4 = ($x4 & 0xffffffff) + $j4;
/** @var int $x5 */
$x5 = ($x5 & 0xffffffff) + $j5;
/** @var int $x6 */
$x6 = ($x6 & 0xffffffff) + $j6;
/** @var int $x7 */
$x7 = ($x7 & 0xffffffff) + $j7;
/** @var int $x8 */
$x8 = ($x8 & 0xffffffff) + $j8;
/** @var int $x9 */
$x9 = ($x9 & 0xffffffff) + $j9;
/** @var int $x10 */
$x10 = ($x10 & 0xffffffff) + $j10;
/** @var int $x11 */
$x11 = ($x11 & 0xffffffff) + $j11;
/** @var int $x12 */
$x12 = ($x12 & 0xffffffff) + $j12;
/** @var int $x13 */
$x13 = ($x13 & 0xffffffff) + $j13;
/** @var int $x14 */
$x14 = ($x14 & 0xffffffff) + $j14;
/** @var int $x15 */
$x15 = ($x15 & 0xffffffff) + $j15;
/*
x0 = XOR(x0, LOAD32_LE(m + 0));
x1 = XOR(x1, LOAD32_LE(m + 4));
x2 = XOR(x2, LOAD32_LE(m + 8));
x3 = XOR(x3, LOAD32_LE(m + 12));
x4 = XOR(x4, LOAD32_LE(m + 16));
x5 = XOR(x5, LOAD32_LE(m + 20));
x6 = XOR(x6, LOAD32_LE(m + 24));
x7 = XOR(x7, LOAD32_LE(m + 28));
x8 = XOR(x8, LOAD32_LE(m + 32));
x9 = XOR(x9, LOAD32_LE(m + 36));
x10 = XOR(x10, LOAD32_LE(m + 40));
x11 = XOR(x11, LOAD32_LE(m + 44));
x12 = XOR(x12, LOAD32_LE(m + 48));
x13 = XOR(x13, LOAD32_LE(m + 52));
x14 = XOR(x14, LOAD32_LE(m + 56));
x15 = XOR(x15, LOAD32_LE(m + 60));
*/
$x0 ^= self::load_4(self::substr($message, 0, 4));
$x1 ^= self::load_4(self::substr($message, 4, 4));
$x2 ^= self::load_4(self::substr($message, 8, 4));
$x3 ^= self::load_4(self::substr($message, 12, 4));
$x4 ^= self::load_4(self::substr($message, 16, 4));
$x5 ^= self::load_4(self::substr($message, 20, 4));
$x6 ^= self::load_4(self::substr($message, 24, 4));
$x7 ^= self::load_4(self::substr($message, 28, 4));
$x8 ^= self::load_4(self::substr($message, 32, 4));
$x9 ^= self::load_4(self::substr($message, 36, 4));
$x10 ^= self::load_4(self::substr($message, 40, 4));
$x11 ^= self::load_4(self::substr($message, 44, 4));
$x12 ^= self::load_4(self::substr($message, 48, 4));
$x13 ^= self::load_4(self::substr($message, 52, 4));
$x14 ^= self::load_4(self::substr($message, 56, 4));
$x15 ^= self::load_4(self::substr($message, 60, 4));
/*
j12 = PLUSONE(j12);
if (!j12) {
j13 = PLUSONE(j13);
}
*/
++$j12;
if ($j12 & 0xf0000000) {
throw new SodiumException('Overflow');
}
/*
STORE32_LE(c + 0, x0);
STORE32_LE(c + 4, x1);
STORE32_LE(c + 8, x2);
STORE32_LE(c + 12, x3);
STORE32_LE(c + 16, x4);
STORE32_LE(c + 20, x5);
STORE32_LE(c + 24, x6);
STORE32_LE(c + 28, x7);
STORE32_LE(c + 32, x8);
STORE32_LE(c + 36, x9);
STORE32_LE(c + 40, x10);
STORE32_LE(c + 44, x11);
STORE32_LE(c + 48, x12);
STORE32_LE(c + 52, x13);
STORE32_LE(c + 56, x14);
STORE32_LE(c + 60, x15);
*/
$block = self::store32_le((int) ($x0 & 0xffffffff)) .
self::store32_le((int) ($x1 & 0xffffffff)) .
self::store32_le((int) ($x2 & 0xffffffff)) .
self::store32_le((int) ($x3 & 0xffffffff)) .
self::store32_le((int) ($x4 & 0xffffffff)) .
self::store32_le((int) ($x5 & 0xffffffff)) .
self::store32_le((int) ($x6 & 0xffffffff)) .
self::store32_le((int) ($x7 & 0xffffffff)) .
self::store32_le((int) ($x8 & 0xffffffff)) .
self::store32_le((int) ($x9 & 0xffffffff)) .
self::store32_le((int) ($x10 & 0xffffffff)) .
self::store32_le((int) ($x11 & 0xffffffff)) .
self::store32_le((int) ($x12 & 0xffffffff)) .
self::store32_le((int) ($x13 & 0xffffffff)) .
self::store32_le((int) ($x14 & 0xffffffff)) .
self::store32_le((int) ($x15 & 0xffffffff));
/* Partial block */
if ($bytes < 64) {
$c .= self::substr($block, 0, $bytes);
break;
}
/* Full block */
$c .= $block;
$bytes -= 64;
if ($bytes <= 0) {
break;
}
$message = self::substr($message, 64);
}
/* end for(;;) loop */
$ctx[12] = $j12;
$ctx[13] = $j13;
return $c;
}
/**
* @internal You should not use this directly from another application
*
* @param int $len
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function stream($len = 64, $nonce = '', $key = '')
{
return self::encryptBytes(
new ParagonIE_Sodium_Core_ChaCha20_Ctx($key, $nonce),
str_repeat("\x00", $len)
);
}
/**
* @internal You should not use this directly from another application
*
* @param int $len
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function ietfStream($len, $nonce = '', $key = '')
{
return self::encryptBytes(
new ParagonIE_Sodium_Core_ChaCha20_IetfCtx($key, $nonce),
str_repeat("\x00", $len)
);
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @param string $nonce
* @param string $key
* @param string $ic
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '')
{
return self::encryptBytes(
new ParagonIE_Sodium_Core_ChaCha20_IetfCtx($key, $nonce, $ic),
$message
);
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @param string $nonce
* @param string $key
* @param string $ic
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function streamXorIc($message, $nonce = '', $key = '', $ic = '')
{
return self::encryptBytes(
new ParagonIE_Sodium_Core_ChaCha20_Ctx($key, $nonce, $ic),
$message
);
}
}
src/Core/Curve25519/Fe.php 0000644 00000005641 15120157171 0010766 0 ustar 00
*/
protected $container = array();
/**
* @var int
*/
protected $size = 10;
/**
* @internal You should not use this directly from another application
*
* @param array $array
* @param bool $save_indexes
* @return self
*/
public static function fromArray($array, $save_indexes = null)
{
$count = count($array);
if ($save_indexes) {
$keys = array_keys($array);
} else {
$keys = range(0, $count - 1);
}
$array = array_values($array);
/** @var array $keys */
$obj = new ParagonIE_Sodium_Core_Curve25519_Fe();
if ($save_indexes) {
for ($i = 0; $i < $count; ++$i) {
$obj->offsetSet($keys[$i], $array[$i]);
}
} else {
for ($i = 0; $i < $count; ++$i) {
$obj->offsetSet($i, $array[$i]);
}
}
return $obj;
}
/**
* @internal You should not use this directly from another application
*
* @param int|null $offset
* @param int $value
* @return void
* @psalm-suppress MixedArrayOffset
*/
public function offsetSet($offset, $value)
{
if (!is_int($value)) {
throw new InvalidArgumentException('Expected an integer');
}
if (is_null($offset)) {
$this->container[] = $value;
} else {
$this->container[$offset] = $value;
}
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @return bool
* @psalm-suppress MixedArrayOffset
*/
public function offsetExists($offset)
{
return isset($this->container[$offset]);
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @return void
* @psalm-suppress MixedArrayOffset
*/
public function offsetUnset($offset)
{
unset($this->container[$offset]);
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @return int
* @psalm-suppress MixedArrayOffset
*/
public function offsetGet($offset)
{
if (!isset($this->container[$offset])) {
$this->container[$offset] = 0;
}
return (int) ($this->container[$offset]);
}
/**
* @internal You should not use this directly from another application
*
* @return array
*/
public function __debugInfo()
{
return array(implode(', ', $this->container));
}
}
src/Core/Curve25519/Ge/Cached.php 0000644 00000003345 15120157171 0012135 0 ustar 00 YplusX = $YplusX;
if ($YminusX === null) {
$YminusX = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->YminusX = $YminusX;
if ($Z === null) {
$Z = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->Z = $Z;
if ($T2d === null) {
$T2d = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->T2d = $T2d;
}
}
src/Core/Curve25519/Ge/P1p1.php 0000644 00000003201 15120157171 0011476 0 ustar 00 X = $x;
if ($y === null) {
$y = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->Y = $y;
if ($z === null) {
$z = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->Z = $z;
if ($t === null) {
$t = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->T = $t;
}
}
src/Core/Curve25519/Ge/P2.php 0000644 00000002501 15120157171 0011240 0 ustar 00 X = $x;
if ($y === null) {
$y = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->Y = $y;
if ($z === null) {
$z = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->Z = $z;
}
}
src/Core/Curve25519/Ge/P3.php 0000644 00000003172 15120157171 0011246 0 ustar 00 X = $x;
if ($y === null) {
$y = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->Y = $y;
if ($z === null) {
$z = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->Z = $z;
if ($t === null) {
$t = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->T = $t;
}
}
src/Core/Curve25519/Ge/Precomp.php 0000644 00000002650 15120157171 0012371 0 ustar 00 yplusx = $yplusx;
if ($yminusx === null) {
$yminusx = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->yminusx = $yminusx;
if ($xy2d === null) {
$xy2d = new ParagonIE_Sodium_Core_Curve25519_Fe();
}
$this->xy2d = $xy2d;
}
}
src/Core/Curve25519/Ge/.htaccess 0000444 00000000143 15120157171 0012042 0 ustar 00
Order Allow,Deny
Deny from all
src/Core/Curve25519/H.php 0000644 00000327571 15120157171 0010634 0 ustar 00 >>> Basically, int[32][8][3][10]
*/
protected static $base = array(
array(
array(
array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605),
array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378),
array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546),
),
array(
array(-12815894, -12976347, -21581243, 11784320, -25355658, -2750717, -11717903, -3814571, -358445, -10211303),
array(-21703237, 6903825, 27185491, 6451973, -29577724, -9554005, -15616551, 11189268, -26829678, -5319081),
array(26966642, 11152617, 32442495, 15396054, 14353839, -12752335, -3128826, -9541118, -15472047, -4166697),
),
array(
array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024),
array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574),
array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357),
),
array(
array(-17036878, 13921892, 10945806, -6033431, 27105052, -16084379, -28926210, 15006023, 3284568, -6276540),
array(23599295, -8306047, -11193664, -7687416, 13236774, 10506355, 7464579, 9656445, 13059162, 10374397),
array(7798556, 16710257, 3033922, 2874086, 28997861, 2835604, 32406664, -3839045, -641708, -101325),
),
array(
array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380),
array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306),
array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942),
),
array(
array(-15371964, -12862754, 32573250, 4720197, -26436522, 5875511, -19188627, -15224819, -9818940, -12085777),
array(-8549212, 109983, 15149363, 2178705, 22900618, 4543417, 3044240, -15689887, 1762328, 14866737),
array(-18199695, -15951423, -10473290, 1707278, -17185920, 3916101, -28236412, 3959421, 27914454, 4383652),
),
array(
array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766),
array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701),
array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300),
),
array(
array(14499471, -2729599, -33191113, -4254652, 28494862, 14271267, 30290735, 10876454, -33154098, 2381726),
array(-7195431, -2655363, -14730155, 462251, -27724326, 3941372, -6236617, 3696005, -32300832, 15351955),
array(27431194, 8222322, 16448760, -3907995, -18707002, 11938355, -32961401, -2970515, 29551813, 10109425),
),
),
array(
array(
array(-13657040, -13155431, -31283750, 11777098, 21447386, 6519384, -2378284, -1627556, 10092783, -4764171),
array(27939166, 14210322, 4677035, 16277044, -22964462, -12398139, -32508754, 12005538, -17810127, 12803510),
array(17228999, -15661624, -1233527, 300140, -1224870, -11714777, 30364213, -9038194, 18016357, 4397660),
),
array(
array(-10958843, -7690207, 4776341, -14954238, 27850028, -15602212, -26619106, 14544525, -17477504, 982639),
array(29253598, 15796703, -2863982, -9908884, 10057023, 3163536, 7332899, -4120128, -21047696, 9934963),
array(5793303, 16271923, -24131614, -10116404, 29188560, 1206517, -14747930, 4559895, -30123922, -10897950),
),
array(
array(-27643952, -11493006, 16282657, -11036493, 28414021, -15012264, 24191034, 4541697, -13338309, 5500568),
array(12650548, -1497113, 9052871, 11355358, -17680037, -8400164, -17430592, 12264343, 10874051, 13524335),
array(25556948, -3045990, 714651, 2510400, 23394682, -10415330, 33119038, 5080568, -22528059, 5376628),
),
array(
array(-26088264, -4011052, -17013699, -3537628, -6726793, 1920897, -22321305, -9447443, 4535768, 1569007),
array(-2255422, 14606630, -21692440, -8039818, 28430649, 8775819, -30494562, 3044290, 31848280, 12543772),
array(-22028579, 2943893, -31857513, 6777306, 13784462, -4292203, -27377195, -2062731, 7718482, 14474653),
),
array(
array(2385315, 2454213, -22631320, 46603, -4437935, -15680415, 656965, -7236665, 24316168, -5253567),
array(13741529, 10911568, -33233417, -8603737, -20177830, -1033297, 33040651, -13424532, -20729456, 8321686),
array(21060490, -2212744, 15712757, -4336099, 1639040, 10656336, 23845965, -11874838, -9984458, 608372),
),
array(
array(-13672732, -15087586, -10889693, -7557059, -6036909, 11305547, 1123968, -6780577, 27229399, 23887),
array(-23244140, -294205, -11744728, 14712571, -29465699, -2029617, 12797024, -6440308, -1633405, 16678954),
array(-29500620, 4770662, -16054387, 14001338, 7830047, 9564805, -1508144, -4795045, -17169265, 4904953),
),
array(
array(24059557, 14617003, 19037157, -15039908, 19766093, -14906429, 5169211, 16191880, 2128236, -4326833),
array(-16981152, 4124966, -8540610, -10653797, 30336522, -14105247, -29806336, 916033, -6882542, -2986532),
array(-22630907, 12419372, -7134229, -7473371, -16478904, 16739175, 285431, 2763829, 15736322, 4143876),
),
array(
array(2379352, 11839345, -4110402, -5988665, 11274298, 794957, 212801, -14594663, 23527084, -16458268),
array(33431127, -11130478, -17838966, -15626900, 8909499, 8376530, -32625340, 4087881, -15188911, -14416214),
array(1767683, 7197987, -13205226, -2022635, -13091350, 448826, 5799055, 4357868, -4774191, -16323038),
),
),
array(
array(
array(6721966, 13833823, -23523388, -1551314, 26354293, -11863321, 23365147, -3949732, 7390890, 2759800),
array(4409041, 2052381, 23373853, 10530217, 7676779, -12885954, 21302353, -4264057, 1244380, -12919645),
array(-4421239, 7169619, 4982368, -2957590, 30256825, -2777540, 14086413, 9208236, 15886429, 16489664),
),
array(
array(1996075, 10375649, 14346367, 13311202, -6874135, -16438411, -13693198, 398369, -30606455, -712933),
array(-25307465, 9795880, -2777414, 14878809, -33531835, 14780363, 13348553, 12076947, -30836462, 5113182),
array(-17770784, 11797796, 31950843, 13929123, -25888302, 12288344, -30341101, -7336386, 13847711, 5387222),
),
array(
array(-18582163, -3416217, 17824843, -2340966, 22744343, -10442611, 8763061, 3617786, -19600662, 10370991),
array(20246567, -14369378, 22358229, -543712, 18507283, -10413996, 14554437, -8746092, 32232924, 16763880),
array(9648505, 10094563, 26416693, 14745928, -30374318, -6472621, 11094161, 15689506, 3140038, -16510092),
),
array(
array(-16160072, 5472695, 31895588, 4744994, 8823515, 10365685, -27224800, 9448613, -28774454, 366295),
array(19153450, 11523972, -11096490, -6503142, -24647631, 5420647, 28344573, 8041113, 719605, 11671788),
array(8678025, 2694440, -6808014, 2517372, 4964326, 11152271, -15432916, -15266516, 27000813, -10195553),
),
array(
array(-15157904, 7134312, 8639287, -2814877, -7235688, 10421742, 564065, 5336097, 6750977, -14521026),
array(11836410, -3979488, 26297894, 16080799, 23455045, 15735944, 1695823, -8819122, 8169720, 16220347),
array(-18115838, 8653647, 17578566, -6092619, -8025777, -16012763, -11144307, -2627664, -5990708, -14166033),
),
array(
array(-23308498, -10968312, 15213228, -10081214, -30853605, -11050004, 27884329, 2847284, 2655861, 1738395),
array(-27537433, -14253021, -25336301, -8002780, -9370762, 8129821, 21651608, -3239336, -19087449, -11005278),
array(1533110, 3437855, 23735889, 459276, 29970501, 11335377, 26030092, 5821408, 10478196, 8544890),
),
array(
array(32173121, -16129311, 24896207, 3921497, 22579056, -3410854, 19270449, 12217473, 17789017, -3395995),
array(-30552961, -2228401, -15578829, -10147201, 13243889, 517024, 15479401, -3853233, 30460520, 1052596),
array(-11614875, 13323618, 32618793, 8175907, -15230173, 12596687, 27491595, -4612359, 3179268, -9478891),
),
array(
array(31947069, -14366651, -4640583, -15339921, -15125977, -6039709, -14756777, -16411740, 19072640, -9511060),
array(11685058, 11822410, 3158003, -13952594, 33402194, -4165066, 5977896, -5215017, 473099, 5040608),
array(-20290863, 8198642, -27410132, 11602123, 1290375, -2799760, 28326862, 1721092, -19558642, -3131606),
),
),
array(
array(
array(7881532, 10687937, 7578723, 7738378, -18951012, -2553952, 21820786, 8076149, -27868496, 11538389),
array(-19935666, 3899861, 18283497, -6801568, -15728660, -11249211, 8754525, 7446702, -5676054, 5797016),
array(-11295600, -3793569, -15782110, -7964573, 12708869, -8456199, 2014099, -9050574, -2369172, -5877341),
),
array(
array(-22472376, -11568741, -27682020, 1146375, 18956691, 16640559, 1192730, -3714199, 15123619, 10811505),
array(14352098, -3419715, -18942044, 10822655, 32750596, 4699007, -70363, 15776356, -28886779, -11974553),
array(-28241164, -8072475, -4978962, -5315317, 29416931, 1847569, -20654173, -16484855, 4714547, -9600655),
),
array(
array(15200332, 8368572, 19679101, 15970074, -31872674, 1959451, 24611599, -4543832, -11745876, 12340220),
array(12876937, -10480056, 33134381, 6590940, -6307776, 14872440, 9613953, 8241152, 15370987, 9608631),
array(-4143277, -12014408, 8446281, -391603, 4407738, 13629032, -7724868, 15866074, -28210621, -8814099),
),
array(
array(26660628, -15677655, 8393734, 358047, -7401291, 992988, -23904233, 858697, 20571223, 8420556),
array(14620715, 13067227, -15447274, 8264467, 14106269, 15080814, 33531827, 12516406, -21574435, -12476749),
array(236881, 10476226, 57258, -14677024, 6472998, 2466984, 17258519, 7256740, 8791136, 15069930),
),
array(
array(1276410, -9371918, 22949635, -16322807, -23493039, -5702186, 14711875, 4874229, -30663140, -2331391),
array(5855666, 4990204, -13711848, 7294284, -7804282, 1924647, -1423175, -7912378, -33069337, 9234253),
array(20590503, -9018988, 31529744, -7352666, -2706834, 10650548, 31559055, -11609587, 18979186, 13396066),
),
array(
array(24474287, 4968103, 22267082, 4407354, 24063882, -8325180, -18816887, 13594782, 33514650, 7021958),
array(-11566906, -6565505, -21365085, 15928892, -26158305, 4315421, -25948728, -3916677, -21480480, 12868082),
array(-28635013, 13504661, 19988037, -2132761, 21078225, 6443208, -21446107, 2244500, -12455797, -8089383),
),
array(
array(-30595528, 13793479, -5852820, 319136, -25723172, -6263899, 33086546, 8957937, -15233648, 5540521),
array(-11630176, -11503902, -8119500, -7643073, 2620056, 1022908, -23710744, -1568984, -16128528, -14962807),
array(23152971, 775386, 27395463, 14006635, -9701118, 4649512, 1689819, 892185, -11513277, -15205948),
),
array(
array(9770129, 9586738, 26496094, 4324120, 1556511, -3550024, 27453819, 4763127, -19179614, 5867134),
array(-32765025, 1927590, 31726409, -4753295, 23962434, -16019500, 27846559, 5931263, -29749703, -16108455),
array(27461885, -2977536, 22380810, 1815854, -23033753, -3031938, 7283490, -15148073, -19526700, 7734629),
),
),
array(
array(
array(-8010264, -9590817, -11120403, 6196038, 29344158, -13430885, 7585295, -3176626, 18549497, 15302069),
array(-32658337, -6171222, -7672793, -11051681, 6258878, 13504381, 10458790, -6418461, -8872242, 8424746),
array(24687205, 8613276, -30667046, -3233545, 1863892, -1830544, 19206234, 7134917, -11284482, -828919),
),
array(
array(11334899, -9218022, 8025293, 12707519, 17523892, -10476071, 10243738, -14685461, -5066034, 16498837),
array(8911542, 6887158, -9584260, -6958590, 11145641, -9543680, 17303925, -14124238, 6536641, 10543906),
array(-28946384, 15479763, -17466835, 568876, -1497683, 11223454, -2669190, -16625574, -27235709, 8876771),
),
array(
array(-25742899, -12566864, -15649966, -846607, -33026686, -796288, -33481822, 15824474, -604426, -9039817),
array(10330056, 70051, 7957388, -9002667, 9764902, 15609756, 27698697, -4890037, 1657394, 3084098),
array(10477963, -7470260, 12119566, -13250805, 29016247, -5365589, 31280319, 14396151, -30233575, 15272409),
),
array(
array(-12288309, 3169463, 28813183, 16658753, 25116432, -5630466, -25173957, -12636138, -25014757, 1950504),
array(-26180358, 9489187, 11053416, -14746161, -31053720, 5825630, -8384306, -8767532, 15341279, 8373727),
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),
array(
array(30098053, 3089662, -9234387, 16662135, -21306940, 11308411, -14068454, 12021730, 9955285, -16303356),
array(9734894, -14576830, -7473633, -9138735, 2060392, 11313496, -18426029, 9924399, 20194861, 13380996),
array(-26378102, -7965207, -22167821, 15789297, -18055342, -6168792, -1984914, 15707771, 26342023, 10146099),
),
),
array(
array(
array(-26016874, -219943, 21339191, -41388, 19745256, -2878700, -29637280, 2227040, 21612326, -545728),
array(-13077387, 1184228, 23562814, -5970442, -20351244, -6348714, 25764461, 12243797, -20856566, 11649658),
array(-10031494, 11262626, 27384172, 2271902, 26947504, -15997771, 39944, 6114064, 33514190, 2333242),
),
array(
array(-21433588, -12421821, 8119782, 7219913, -21830522, -9016134, -6679750, -12670638, 24350578, -13450001),
array(-4116307, -11271533, -23886186, 4843615, -30088339, 690623, -31536088, -10406836, 8317860, 12352766),
array(18200138, -14475911, -33087759, -2696619, -23702521, -9102511, -23552096, -2287550, 20712163, 6719373),
),
array(
array(26656208, 6075253, -7858556, 1886072, -28344043, 4262326, 11117530, -3763210, 26224235, -3297458),
array(-17168938, -14854097, -3395676, -16369877, -19954045, 14050420, 21728352, 9493610, 18620611, -16428628),
array(-13323321, 13325349, 11432106, 5964811, 18609221, 6062965, -5269471, -9725556, -30701573, -16479657),
),
array(
array(-23860538, -11233159, 26961357, 1640861, -32413112, -16737940, 12248509, -5240639, 13735342, 1934062),
array(25089769, 6742589, 17081145, -13406266, 21909293, -16067981, -15136294, -3765346, -21277997, 5473616),
array(31883677, -7961101, 1083432, -11572403, 22828471, 13290673, -7125085, 12469656, 29111212, -5451014),
),
array(
array(24244947, -15050407, -26262976, 2791540, -14997599, 16666678, 24367466, 6388839, -10295587, 452383),
array(-25640782, -3417841, 5217916, 16224624, 19987036, -4082269, -24236251, -5915248, 15766062, 8407814),
array(-20406999, 13990231, 15495425, 16395525, 5377168, 15166495, -8917023, -4388953, -8067909, 2276718),
),
array(
array(30157918, 12924066, -17712050, 9245753, 19895028, 3368142, -23827587, 5096219, 22740376, -7303417),
array(2041139, -14256350, 7783687, 13876377, -25946985, -13352459, 24051124, 13742383, -15637599, 13295222),
array(33338237, -8505733, 12532113, 7977527, 9106186, -1715251, -17720195, -4612972, -4451357, -14669444),
),
array(
array(-20045281, 5454097, -14346548, 6447146, 28862071, 1883651, -2469266, -4141880, 7770569, 9620597),
array(23208068, 7979712, 33071466, 8149229, 1758231, -10834995, 30945528, -1694323, -33502340, -14767970),
array(1439958, -16270480, -1079989, -793782, 4625402, 10647766, -5043801, 1220118, 30494170, -11440799),
),
array(
array(-5037580, -13028295, -2970559, -3061767, 15640974, -6701666, -26739026, 926050, -1684339, -13333647),
array(13908495, -3549272, 30919928, -6273825, -21521863, 7989039, 9021034, 9078865, 3353509, 4033511),
array(-29663431, -15113610, 32259991, -344482, 24295849, -12912123, 23161163, 8839127, 27485041, 7356032),
),
),
array(
array(
array(9661027, 705443, 11980065, -5370154, -1628543, 14661173, -6346142, 2625015, 28431036, -16771834),
array(-23839233, -8311415, -25945511, 7480958, -17681669, -8354183, -22545972, 14150565, 15970762, 4099461),
array(29262576, 16756590, 26350592, -8793563, 8529671, -11208050, 13617293, -9937143, 11465739, 8317062),
),
array(
array(-25493081, -6962928, 32500200, -9419051, -23038724, -2302222, 14898637, 3848455, 20969334, -5157516),
array(-20384450, -14347713, -18336405, 13884722, -33039454, 2842114, -21610826, -3649888, 11177095, 14989547),
array(-24496721, -11716016, 16959896, 2278463, 12066309, 10137771, 13515641, 2581286, -28487508, 9930240),
),
array(
array(-17751622, -2097826, 16544300, -13009300, -15914807, -14949081, 18345767, -13403753, 16291481, -5314038),
array(-33229194, 2553288, 32678213, 9875984, 8534129, 6889387, -9676774, 6957617, 4368891, 9788741),
array(16660756, 7281060, -10830758, 12911820, 20108584, -8101676, -21722536, -8613148, 16250552, -11111103),
),
array(
array(-19765507, 2390526, -16551031, 14161980, 1905286, 6414907, 4689584, 10604807, -30190403, 4782747),
array(-1354539, 14736941, -7367442, -13292886, 7710542, -14155590, -9981571, 4383045, 22546403, 437323),
array(31665577, -12180464, -16186830, 1491339, -18368625, 3294682, 27343084, 2786261, -30633590, -14097016),
),
array(
array(-14467279, -683715, -33374107, 7448552, 19294360, 14334329, -19690631, 2355319, -19284671, -6114373),
array(15121312, -15796162, 6377020, -6031361, -10798111, -12957845, 18952177, 15496498, -29380133, 11754228),
array(-2637277, -13483075, 8488727, -14303896, 12728761, -1622493, 7141596, 11724556, 22761615, -10134141),
),
array(
array(16918416, 11729663, -18083579, 3022987, -31015732, -13339659, -28741185, -12227393, 32851222, 11717399),
array(11166634, 7338049, -6722523, 4531520, -29468672, -7302055, 31474879, 3483633, -1193175, -4030831),
array(-185635, 9921305, 31456609, -13536438, -12013818, 13348923, 33142652, 6546660, -19985279, -3948376),
),
array(
array(-32460596, 11266712, -11197107, -7899103, 31703694, 3855903, -8537131, -12833048, -30772034, -15486313),
array(-18006477, 12709068, 3991746, -6479188, -21491523, -10550425, -31135347, -16049879, 10928917, 3011958),
array(-6957757, -15594337, 31696059, 334240, 29576716, 14796075, -30831056, -12805180, 18008031, 10258577),
),
array(
array(-22448644, 15655569, 7018479, -4410003, -30314266, -1201591, -1853465, 1367120, 25127874, 6671743),
array(29701166, -14373934, -10878120, 9279288, -17568, 13127210, 21382910, 11042292, 25838796, 4642684),
array(-20430234, 14955537, -24126347, 8124619, -5369288, -5990470, 30468147, -13900640, 18423289, 4177476),
),
)
);
/**
* See: libsodium's crypto_core/curve25519/ref10/base2.h
*
* @var array basically int[8][3]
*/
protected static $base2 = array(
array(
array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605),
array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378),
array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546),
),
array(
array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024),
array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574),
array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357),
),
array(
array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380),
array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306),
array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942),
),
array(
array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766),
array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701),
array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300),
),
array(
array(-22518993, -6692182, 14201702, -8745502, -23510406, 8844726, 18474211, -1361450, -13062696, 13821877),
array(-6455177, -7839871, 3374702, -4740862, -27098617, -10571707, 31655028, -7212327, 18853322, -14220951),
array(4566830, -12963868, -28974889, -12240689, -7602672, -2830569, -8514358, -10431137, 2207753, -3209784),
),
array(
array(-25154831, -4185821, 29681144, 7868801, -6854661, -9423865, -12437364, -663000, -31111463, -16132436),
array(25576264, -2703214, 7349804, -11814844, 16472782, 9300885, 3844789, 15725684, 171356, 6466918),
array(23103977, 13316479, 9739013, -16149481, 817875, -15038942, 8965339, -14088058, -30714912, 16193877),
),
array(
array(-33521811, 3180713, -2394130, 14003687, -16903474, -16270840, 17238398, 4729455, -18074513, 9256800),
array(-25182317, -4174131, 32336398, 5036987, -21236817, 11360617, 22616405, 9761698, -19827198, 630305),
array(-13720693, 2639453, -24237460, -7406481, 9494427, -5774029, -6554551, -15960994, -2449256, -14291300),
),
array(
array(-3151181, -5046075, 9282714, 6866145, -31907062, -863023, -18940575, 15033784, 25105118, -7894876),
array(-24326370, 15950226, -31801215, -14592823, -11662737, -5090925, 1573892, -2625887, 2198790, -15804619),
array(-3099351, 10324967, -2241613, 7453183, -5446979, -2735503, -13812022, -16236442, -32461234, -12290683),
)
);
/**
* 37095705934669439343138083508754565189542113879843219016388785533085940283555
*
* @var array
*/
protected static $d = array(
-10913610,
13857413,
-15372611,
6949391,
114729,
-8787816,
-6275908,
-3247719,
-18696448,
-12055116
);
/**
* 2 * d = 16295367250680780974490674513165176452449235426866156013048779062215315747161
*
* @var array
*/
protected static $d2 = array(
-21827239,
-5839606,
-30745221,
13898782,
229458,
15978800,
-12551817,
-6495438,
29715968,
9444199
);
/**
* sqrt(-1)
*
* @var array
*/
protected static $sqrtm1 = array(
-32595792,
-7943725,
9377950,
3500415,
12389472,
-272473,
-25146209,
-2005654,
326686,
11406482
);
/**
* 1 / sqrt(a - d)
*
* @var array
*/
protected static $invsqrtamd = array(
6111485,
4156064,
-27798727,
12243468,
-25904040,
120897,
20826367,
-7060776,
6093568,
-1986012
);
/**
* sqrt(ad - 1) with a = -1 (mod p)
*
* @var array
*/
protected static $sqrtadm1 = array(
24849947,
-153582,
-23613485,
6347715,
-21072328,
-667138,
-25271143,
-15367704,
-870347,
14525639
);
/**
* 1 - d ^ 2
*
* @var array
*/
protected static $onemsqd = array(
6275446,
-16617371,
-22938544,
-3773710,
11667077,
7397348,
-27922721,
1766195,
-24433858,
672203
);
/**
* (d - 1) ^ 2
* @var array
*/
protected static $sqdmone = array(
15551795,
-11097455,
-13425098,
-10125071,
-11896535,
10178284,
-26634327,
4729244,
-5282110,
-10116402
);
/*
* 2^252+27742317777372353535851937790883648493
static const unsigned char L[] = {
0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, 0xd6, 0x9c, 0xf7,
0xa2, 0xde, 0xf9, 0xde, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10
};
*/
const L = "\xed\xd3\xf5\x5c\x1a\x63\x12\x58\xd6\x9c\xf7\xa2\xde\xf9\xde\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10";
}
src/Core/Curve25519/README.md 0000644 00000000332 15120157171 0011172 0 ustar 00 # Curve25519 Data Structures
These are PHP implementation of the [structs used in the ref10 curve25519 code](https://github.com/jedisct1/libsodium/blob/master/src/libsodium/include/sodium/private/curve25519_ref10.h).
src/Core/Curve25519/error_log 0000644 00000003020 15120157171 0011625 0 ustar 00 [27-Oct-2025 14:01:01 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519/H.php on line 12
[27-Oct-2025 14:01:02 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519/H.php on line 12
[27-Oct-2025 16:25:11 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519/H.php on line 12
[27-Oct-2025 16:25:12 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519/H.php on line 12
[27-Oct-2025 22:57:34 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519/H.php on line 12
[27-Oct-2025 22:57:43 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519/H.php on line 12
[12-Dec-2025 19:04:32 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519/H.php on line 13
[12-Dec-2025 19:04:46 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519/H.php on line 13
src/Core/Curve25519.php 0000644 00000446155 15120157171 0010445 0 ustar 00 $arr */
$arr = array();
for ($i = 0; $i < 10; ++$i) {
$arr[$i] = (int) ($f[$i] + $g[$i]);
}
return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($arr);
}
/**
* Constant-time conditional move.
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $f
* @param ParagonIE_Sodium_Core_Curve25519_Fe $g
* @param int $b
* @return ParagonIE_Sodium_Core_Curve25519_Fe
* @psalm-suppress MixedAssignment
*/
public static function fe_cmov(
ParagonIE_Sodium_Core_Curve25519_Fe $f,
ParagonIE_Sodium_Core_Curve25519_Fe $g,
$b = 0
) {
/** @var array $h */
$h = array();
$b *= -1;
for ($i = 0; $i < 10; ++$i) {
$x = (($f[$i] ^ $g[$i]) & $b);
$h[$i] = ($f[$i]) ^ $x;
}
return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($h);
}
/**
* Create a copy of a field element.
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $f
* @return ParagonIE_Sodium_Core_Curve25519_Fe
*/
public static function fe_copy(ParagonIE_Sodium_Core_Curve25519_Fe $f)
{
$h = clone $f;
return $h;
}
/**
* Give: 32-byte string.
* Receive: A field element object to use for internal calculations.
*
* @internal You should not use this directly from another application
*
* @param string $s
* @return ParagonIE_Sodium_Core_Curve25519_Fe
* @throws RangeException
* @throws TypeError
*/
public static function fe_frombytes($s)
{
if (self::strlen($s) !== 32) {
throw new RangeException('Expected a 32-byte string.');
}
/** @var int $h0 */
$h0 = self::load_4($s);
/** @var int $h1 */
$h1 = self::load_3(self::substr($s, 4, 3)) << 6;
/** @var int $h2 */
$h2 = self::load_3(self::substr($s, 7, 3)) << 5;
/** @var int $h3 */
$h3 = self::load_3(self::substr($s, 10, 3)) << 3;
/** @var int $h4 */
$h4 = self::load_3(self::substr($s, 13, 3)) << 2;
/** @var int $h5 */
$h5 = self::load_4(self::substr($s, 16, 4));
/** @var int $h6 */
$h6 = self::load_3(self::substr($s, 20, 3)) << 7;
/** @var int $h7 */
$h7 = self::load_3(self::substr($s, 23, 3)) << 5;
/** @var int $h8 */
$h8 = self::load_3(self::substr($s, 26, 3)) << 4;
/** @var int $h9 */
$h9 = (self::load_3(self::substr($s, 29, 3)) & 8388607) << 2;
/** @var int $carry9 */
$carry9 = ($h9 + (1 << 24)) >> 25;
$h0 += self::mul($carry9, 19, 5);
$h9 -= $carry9 << 25;
/** @var int $carry1 */
$carry1 = ($h1 + (1 << 24)) >> 25;
$h2 += $carry1;
$h1 -= $carry1 << 25;
/** @var int $carry3 */
$carry3 = ($h3 + (1 << 24)) >> 25;
$h4 += $carry3;
$h3 -= $carry3 << 25;
/** @var int $carry5 */
$carry5 = ($h5 + (1 << 24)) >> 25;
$h6 += $carry5;
$h5 -= $carry5 << 25;
/** @var int $carry7 */
$carry7 = ($h7 + (1 << 24)) >> 25;
$h8 += $carry7;
$h7 -= $carry7 << 25;
/** @var int $carry0 */
$carry0 = ($h0 + (1 << 25)) >> 26;
$h1 += $carry0;
$h0 -= $carry0 << 26;
/** @var int $carry2 */
$carry2 = ($h2 + (1 << 25)) >> 26;
$h3 += $carry2;
$h2 -= $carry2 << 26;
/** @var int $carry4 */
$carry4 = ($h4 + (1 << 25)) >> 26;
$h5 += $carry4;
$h4 -= $carry4 << 26;
/** @var int $carry6 */
$carry6 = ($h6 + (1 << 25)) >> 26;
$h7 += $carry6;
$h6 -= $carry6 << 26;
/** @var int $carry8 */
$carry8 = ($h8 + (1 << 25)) >> 26;
$h9 += $carry8;
$h8 -= $carry8 << 26;
return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(
array(
(int) $h0,
(int) $h1,
(int) $h2,
(int) $h3,
(int) $h4,
(int) $h5,
(int) $h6,
(int) $h7,
(int) $h8,
(int) $h9
)
);
}
/**
* Convert a field element to a byte string.
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $h
* @return string
*/
public static function fe_tobytes(ParagonIE_Sodium_Core_Curve25519_Fe $h)
{
/** @var int $h0 */
$h0 = (int) $h[0];
/** @var int $h1 */
$h1 = (int) $h[1];
/** @var int $h2 */
$h2 = (int) $h[2];
/** @var int $h3 */
$h3 = (int) $h[3];
/** @var int $h4 */
$h4 = (int) $h[4];
/** @var int $h5 */
$h5 = (int) $h[5];
/** @var int $h6 */
$h6 = (int) $h[6];
/** @var int $h7 */
$h7 = (int) $h[7];
/** @var int $h8 */
$h8 = (int) $h[8];
/** @var int $h9 */
$h9 = (int) $h[9];
/** @var int $q */
$q = (self::mul($h9, 19, 5) + (1 << 24)) >> 25;
/** @var int $q */
$q = ($h0 + $q) >> 26;
/** @var int $q */
$q = ($h1 + $q) >> 25;
/** @var int $q */
$q = ($h2 + $q) >> 26;
/** @var int $q */
$q = ($h3 + $q) >> 25;
/** @var int $q */
$q = ($h4 + $q) >> 26;
/** @var int $q */
$q = ($h5 + $q) >> 25;
/** @var int $q */
$q = ($h6 + $q) >> 26;
/** @var int $q */
$q = ($h7 + $q) >> 25;
/** @var int $q */
$q = ($h8 + $q) >> 26;
/** @var int $q */
$q = ($h9 + $q) >> 25;
$h0 += self::mul($q, 19, 5);
/** @var int $carry0 */
$carry0 = $h0 >> 26;
$h1 += $carry0;
$h0 -= $carry0 << 26;
/** @var int $carry1 */
$carry1 = $h1 >> 25;
$h2 += $carry1;
$h1 -= $carry1 << 25;
/** @var int $carry2 */
$carry2 = $h2 >> 26;
$h3 += $carry2;
$h2 -= $carry2 << 26;
/** @var int $carry3 */
$carry3 = $h3 >> 25;
$h4 += $carry3;
$h3 -= $carry3 << 25;
/** @var int $carry4 */
$carry4 = $h4 >> 26;
$h5 += $carry4;
$h4 -= $carry4 << 26;
/** @var int $carry5 */
$carry5 = $h5 >> 25;
$h6 += $carry5;
$h5 -= $carry5 << 25;
/** @var int $carry6 */
$carry6 = $h6 >> 26;
$h7 += $carry6;
$h6 -= $carry6 << 26;
/** @var int $carry7 */
$carry7 = $h7 >> 25;
$h8 += $carry7;
$h7 -= $carry7 << 25;
/** @var int $carry8 */
$carry8 = $h8 >> 26;
$h9 += $carry8;
$h8 -= $carry8 << 26;
/** @var int $carry9 */
$carry9 = $h9 >> 25;
$h9 -= $carry9 << 25;
/**
* @var array
*/
$s = array(
(int) (($h0 >> 0) & 0xff),
(int) (($h0 >> 8) & 0xff),
(int) (($h0 >> 16) & 0xff),
(int) ((($h0 >> 24) | ($h1 << 2)) & 0xff),
(int) (($h1 >> 6) & 0xff),
(int) (($h1 >> 14) & 0xff),
(int) ((($h1 >> 22) | ($h2 << 3)) & 0xff),
(int) (($h2 >> 5) & 0xff),
(int) (($h2 >> 13) & 0xff),
(int) ((($h2 >> 21) | ($h3 << 5)) & 0xff),
(int) (($h3 >> 3) & 0xff),
(int) (($h3 >> 11) & 0xff),
(int) ((($h3 >> 19) | ($h4 << 6)) & 0xff),
(int) (($h4 >> 2) & 0xff),
(int) (($h4 >> 10) & 0xff),
(int) (($h4 >> 18) & 0xff),
(int) (($h5 >> 0) & 0xff),
(int) (($h5 >> 8) & 0xff),
(int) (($h5 >> 16) & 0xff),
(int) ((($h5 >> 24) | ($h6 << 1)) & 0xff),
(int) (($h6 >> 7) & 0xff),
(int) (($h6 >> 15) & 0xff),
(int) ((($h6 >> 23) | ($h7 << 3)) & 0xff),
(int) (($h7 >> 5) & 0xff),
(int) (($h7 >> 13) & 0xff),
(int) ((($h7 >> 21) | ($h8 << 4)) & 0xff),
(int) (($h8 >> 4) & 0xff),
(int) (($h8 >> 12) & 0xff),
(int) ((($h8 >> 20) | ($h9 << 6)) & 0xff),
(int) (($h9 >> 2) & 0xff),
(int) (($h9 >> 10) & 0xff),
(int) (($h9 >> 18) & 0xff)
);
return self::intArrayToString($s);
}
/**
* Is a field element negative? (1 = yes, 0 = no. Used in calculations.)
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $f
* @return int
* @throws SodiumException
* @throws TypeError
*/
public static function fe_isnegative(ParagonIE_Sodium_Core_Curve25519_Fe $f)
{
$str = self::fe_tobytes($f);
return (int) (self::chrToInt($str[0]) & 1);
}
/**
* Returns 0 if this field element results in all NUL bytes.
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $f
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function fe_isnonzero(ParagonIE_Sodium_Core_Curve25519_Fe $f)
{
static $zero;
if ($zero === null) {
$zero = str_repeat("\x00", 32);
}
/** @var string $zero */
/** @var string $str */
$str = self::fe_tobytes($f);
return !self::verify_32($str, (string) $zero);
}
/**
* Multiply two field elements
*
* h = f * g
*
* @internal You should not use this directly from another application
*
* @security Is multiplication a source of timing leaks? If so, can we do
* anything to prevent that from happening?
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $f
* @param ParagonIE_Sodium_Core_Curve25519_Fe $g
* @return ParagonIE_Sodium_Core_Curve25519_Fe
*/
public static function fe_mul(
ParagonIE_Sodium_Core_Curve25519_Fe $f,
ParagonIE_Sodium_Core_Curve25519_Fe $g
) {
/** @var int $f0 */
$f0 = $f[0];
/** @var int $f1 */
$f1 = $f[1];
/** @var int $f2 */
$f2 = $f[2];
/** @var int $f3 */
$f3 = $f[3];
/** @var int $f4 */
$f4 = $f[4];
/** @var int $f5 */
$f5 = $f[5];
/** @var int $f6 */
$f6 = $f[6];
/** @var int $f7 */
$f7 = $f[7];
/** @var int $f8 */
$f8 = $f[8];
/** @var int $f9 */
$f9 = $f[9];
/** @var int $g0 */
$g0 = $g[0];
/** @var int $g1 */
$g1 = $g[1];
/** @var int $g2 */
$g2 = $g[2];
/** @var int $g3 */
$g3 = $g[3];
/** @var int $g4 */
$g4 = $g[4];
/** @var int $g5 */
$g5 = $g[5];
/** @var int $g6 */
$g6 = $g[6];
/** @var int $g7 */
$g7 = $g[7];
/** @var int $g8 */
$g8 = $g[8];
/** @var int $g9 */
$g9 = $g[9];
$g1_19 = self::mul($g1, 19, 5);
$g2_19 = self::mul($g2, 19, 5);
$g3_19 = self::mul($g3, 19, 5);
$g4_19 = self::mul($g4, 19, 5);
$g5_19 = self::mul($g5, 19, 5);
$g6_19 = self::mul($g6, 19, 5);
$g7_19 = self::mul($g7, 19, 5);
$g8_19 = self::mul($g8, 19, 5);
$g9_19 = self::mul($g9, 19, 5);
/** @var int $f1_2 */
$f1_2 = $f1 << 1;
/** @var int $f3_2 */
$f3_2 = $f3 << 1;
/** @var int $f5_2 */
$f5_2 = $f5 << 1;
/** @var int $f7_2 */
$f7_2 = $f7 << 1;
/** @var int $f9_2 */
$f9_2 = $f9 << 1;
$f0g0 = self::mul($f0, $g0, 26);
$f0g1 = self::mul($f0, $g1, 25);
$f0g2 = self::mul($f0, $g2, 26);
$f0g3 = self::mul($f0, $g3, 25);
$f0g4 = self::mul($f0, $g4, 26);
$f0g5 = self::mul($f0, $g5, 25);
$f0g6 = self::mul($f0, $g6, 26);
$f0g7 = self::mul($f0, $g7, 25);
$f0g8 = self::mul($f0, $g8, 26);
$f0g9 = self::mul($f0, $g9, 26);
$f1g0 = self::mul($f1, $g0, 26);
$f1g1_2 = self::mul($f1_2, $g1, 25);
$f1g2 = self::mul($f1, $g2, 26);
$f1g3_2 = self::mul($f1_2, $g3, 25);
$f1g4 = self::mul($f1, $g4, 26);
$f1g5_2 = self::mul($f1_2, $g5, 25);
$f1g6 = self::mul($f1, $g6, 26);
$f1g7_2 = self::mul($f1_2, $g7, 25);
$f1g8 = self::mul($f1, $g8, 26);
$f1g9_38 = self::mul($g9_19, $f1_2, 26);
$f2g0 = self::mul($f2, $g0, 26);
$f2g1 = self::mul($f2, $g1, 25);
$f2g2 = self::mul($f2, $g2, 26);
$f2g3 = self::mul($f2, $g3, 25);
$f2g4 = self::mul($f2, $g4, 26);
$f2g5 = self::mul($f2, $g5, 25);
$f2g6 = self::mul($f2, $g6, 26);
$f2g7 = self::mul($f2, $g7, 25);
$f2g8_19 = self::mul($g8_19, $f2, 26);
$f2g9_19 = self::mul($g9_19, $f2, 26);
$f3g0 = self::mul($f3, $g0, 26);
$f3g1_2 = self::mul($f3_2, $g1, 25);
$f3g2 = self::mul($f3, $g2, 26);
$f3g3_2 = self::mul($f3_2, $g3, 25);
$f3g4 = self::mul($f3, $g4, 26);
$f3g5_2 = self::mul($f3_2, $g5, 25);
$f3g6 = self::mul($f3, $g6, 26);
$f3g7_38 = self::mul($g7_19, $f3_2, 26);
$f3g8_19 = self::mul($g8_19, $f3, 25);
$f3g9_38 = self::mul($g9_19, $f3_2, 26);
$f4g0 = self::mul($f4, $g0, 26);
$f4g1 = self::mul($f4, $g1, 25);
$f4g2 = self::mul($f4, $g2, 26);
$f4g3 = self::mul($f4, $g3, 25);
$f4g4 = self::mul($f4, $g4, 26);
$f4g5 = self::mul($f4, $g5, 25);
$f4g6_19 = self::mul($g6_19, $f4, 26);
$f4g7_19 = self::mul($g7_19, $f4, 26);
$f4g8_19 = self::mul($g8_19, $f4, 26);
$f4g9_19 = self::mul($g9_19, $f4, 26);
$f5g0 = self::mul($f5, $g0, 26);
$f5g1_2 = self::mul($f5_2, $g1, 25);
$f5g2 = self::mul($f5, $g2, 26);
$f5g3_2 = self::mul($f5_2, $g3, 25);
$f5g4 = self::mul($f5, $g4, 26);
$f5g5_38 = self::mul($g5_19, $f5_2, 26);
$f5g6_19 = self::mul($g6_19, $f5, 25);
$f5g7_38 = self::mul($g7_19, $f5_2, 26);
$f5g8_19 = self::mul($g8_19, $f5, 25);
$f5g9_38 = self::mul($g9_19, $f5_2, 26);
$f6g0 = self::mul($f6, $g0, 26);
$f6g1 = self::mul($f6, $g1, 25);
$f6g2 = self::mul($f6, $g2, 26);
$f6g3 = self::mul($f6, $g3, 25);
$f6g4_19 = self::mul($g4_19, $f6, 26);
$f6g5_19 = self::mul($g5_19, $f6, 26);
$f6g6_19 = self::mul($g6_19, $f6, 26);
$f6g7_19 = self::mul($g7_19, $f6, 26);
$f6g8_19 = self::mul($g8_19, $f6, 26);
$f6g9_19 = self::mul($g9_19, $f6, 26);
$f7g0 = self::mul($f7, $g0, 26);
$f7g1_2 = self::mul($f7_2, $g1, 25);
$f7g2 = self::mul($f7, $g2, 26);
$f7g3_38 = self::mul($g3_19, $f7_2, 26);
$f7g4_19 = self::mul($g4_19, $f7, 26);
$f7g5_38 = self::mul($g5_19, $f7_2, 26);
$f7g6_19 = self::mul($g6_19, $f7, 25);
$f7g7_38 = self::mul($g7_19, $f7_2, 26);
$f7g8_19 = self::mul($g8_19, $f7, 25);
$f7g9_38 = self::mul($g9_19,$f7_2, 26);
$f8g0 = self::mul($f8, $g0, 26);
$f8g1 = self::mul($f8, $g1, 25);
$f8g2_19 = self::mul($g2_19, $f8, 26);
$f8g3_19 = self::mul($g3_19, $f8, 26);
$f8g4_19 = self::mul($g4_19, $f8, 26);
$f8g5_19 = self::mul($g5_19, $f8, 26);
$f8g6_19 = self::mul($g6_19, $f8, 26);
$f8g7_19 = self::mul($g7_19, $f8, 26);
$f8g8_19 = self::mul($g8_19, $f8, 26);
$f8g9_19 = self::mul($g9_19, $f8, 26);
$f9g0 = self::mul($f9, $g0, 26);
$f9g1_38 = self::mul($g1_19, $f9_2, 26);
$f9g2_19 = self::mul($g2_19, $f9, 25);
$f9g3_38 = self::mul($g3_19, $f9_2, 26);
$f9g4_19 = self::mul($g4_19, $f9, 25);
$f9g5_38 = self::mul($g5_19, $f9_2, 26);
$f9g6_19 = self::mul($g6_19, $f9, 25);
$f9g7_38 = self::mul($g7_19, $f9_2, 26);
$f9g8_19 = self::mul($g8_19, $f9, 25);
$f9g9_38 = self::mul($g9_19, $f9_2, 26);
$h0 = $f0g0 + $f1g9_38 + $f2g8_19 + $f3g7_38 + $f4g6_19 + $f5g5_38 + $f6g4_19 + $f7g3_38 + $f8g2_19 + $f9g1_38;
$h1 = $f0g1 + $f1g0 + $f2g9_19 + $f3g8_19 + $f4g7_19 + $f5g6_19 + $f6g5_19 + $f7g4_19 + $f8g3_19 + $f9g2_19;
$h2 = $f0g2 + $f1g1_2 + $f2g0 + $f3g9_38 + $f4g8_19 + $f5g7_38 + $f6g6_19 + $f7g5_38 + $f8g4_19 + $f9g3_38;
$h3 = $f0g3 + $f1g2 + $f2g1 + $f3g0 + $f4g9_19 + $f5g8_19 + $f6g7_19 + $f7g6_19 + $f8g5_19 + $f9g4_19;
$h4 = $f0g4 + $f1g3_2 + $f2g2 + $f3g1_2 + $f4g0 + $f5g9_38 + $f6g8_19 + $f7g7_38 + $f8g6_19 + $f9g5_38;
$h5 = $f0g5 + $f1g4 + $f2g3 + $f3g2 + $f4g1 + $f5g0 + $f6g9_19 + $f7g8_19 + $f8g7_19 + $f9g6_19;
$h6 = $f0g6 + $f1g5_2 + $f2g4 + $f3g3_2 + $f4g2 + $f5g1_2 + $f6g0 + $f7g9_38 + $f8g8_19 + $f9g7_38;
$h7 = $f0g7 + $f1g6 + $f2g5 + $f3g4 + $f4g3 + $f5g2 + $f6g1 + $f7g0 + $f8g9_19 + $f9g8_19;
$h8 = $f0g8 + $f1g7_2 + $f2g6 + $f3g5_2 + $f4g4 + $f5g3_2 + $f6g2 + $f7g1_2 + $f8g0 + $f9g9_38;
$h9 = $f0g9 + $f1g8 + $f2g7 + $f3g6 + $f4g5 + $f5g4 + $f6g3 + $f7g2 + $f8g1 + $f9g0 ;
/** @var int $carry0 */
$carry0 = ($h0 + (1 << 25)) >> 26;
$h1 += $carry0;
$h0 -= $carry0 << 26;
/** @var int $carry4 */
$carry4 = ($h4 + (1 << 25)) >> 26;
$h5 += $carry4;
$h4 -= $carry4 << 26;
/** @var int $carry1 */
$carry1 = ($h1 + (1 << 24)) >> 25;
$h2 += $carry1;
$h1 -= $carry1 << 25;
/** @var int $carry5 */
$carry5 = ($h5 + (1 << 24)) >> 25;
$h6 += $carry5;
$h5 -= $carry5 << 25;
/** @var int $carry2 */
$carry2 = ($h2 + (1 << 25)) >> 26;
$h3 += $carry2;
$h2 -= $carry2 << 26;
/** @var int $carry6 */
$carry6 = ($h6 + (1 << 25)) >> 26;
$h7 += $carry6;
$h6 -= $carry6 << 26;
/** @var int $carry3 */
$carry3 = ($h3 + (1 << 24)) >> 25;
$h4 += $carry3;
$h3 -= $carry3 << 25;
/** @var int $carry7 */
$carry7 = ($h7 + (1 << 24)) >> 25;
$h8 += $carry7;
$h7 -= $carry7 << 25;
/** @var int $carry4 */
$carry4 = ($h4 + (1 << 25)) >> 26;
$h5 += $carry4;
$h4 -= $carry4 << 26;
/** @var int $carry8 */
$carry8 = ($h8 + (1 << 25)) >> 26;
$h9 += $carry8;
$h8 -= $carry8 << 26;
/** @var int $carry9 */
$carry9 = ($h9 + (1 << 24)) >> 25;
$h0 += self::mul($carry9, 19, 5);
$h9 -= $carry9 << 25;
/** @var int $carry0 */
$carry0 = ($h0 + (1 << 25)) >> 26;
$h1 += $carry0;
$h0 -= $carry0 << 26;
return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(
array(
(int) $h0,
(int) $h1,
(int) $h2,
(int) $h3,
(int) $h4,
(int) $h5,
(int) $h6,
(int) $h7,
(int) $h8,
(int) $h9
)
);
}
/**
* Get the negative values for each piece of the field element.
*
* h = -f
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $f
* @return ParagonIE_Sodium_Core_Curve25519_Fe
* @psalm-suppress MixedAssignment
*/
public static function fe_neg(ParagonIE_Sodium_Core_Curve25519_Fe $f)
{
$h = new ParagonIE_Sodium_Core_Curve25519_Fe();
for ($i = 0; $i < 10; ++$i) {
$h[$i] = -$f[$i];
}
return $h;
}
/**
* Square a field element
*
* h = f * f
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $f
* @return ParagonIE_Sodium_Core_Curve25519_Fe
*/
public static function fe_sq(ParagonIE_Sodium_Core_Curve25519_Fe $f)
{
$f0 = (int) $f[0];
$f1 = (int) $f[1];
$f2 = (int) $f[2];
$f3 = (int) $f[3];
$f4 = (int) $f[4];
$f5 = (int) $f[5];
$f6 = (int) $f[6];
$f7 = (int) $f[7];
$f8 = (int) $f[8];
$f9 = (int) $f[9];
/** @var int $f0_2 */
$f0_2 = $f0 << 1;
/** @var int $f1_2 */
$f1_2 = $f1 << 1;
/** @var int $f2_2 */
$f2_2 = $f2 << 1;
/** @var int $f3_2 */
$f3_2 = $f3 << 1;
/** @var int $f4_2 */
$f4_2 = $f4 << 1;
/** @var int $f5_2 */
$f5_2 = $f5 << 1;
/** @var int $f6_2 */
$f6_2 = $f6 << 1;
/** @var int $f7_2 */
$f7_2 = $f7 << 1;
$f5_38 = self::mul($f5, 38, 6);
$f6_19 = self::mul($f6, 19, 5);
$f7_38 = self::mul($f7, 38, 6);
$f8_19 = self::mul($f8, 19, 5);
$f9_38 = self::mul($f9, 38, 6);
$f0f0 = self::mul($f0, $f0, 25);
$f0f1_2 = self::mul($f0_2, $f1, 24);
$f0f2_2 = self::mul($f0_2, $f2, 26);
$f0f3_2 = self::mul($f0_2, $f3, 24);
$f0f4_2 = self::mul($f0_2, $f4, 25);
$f0f5_2 = self::mul($f0_2, $f5, 25);
$f0f6_2 = self::mul($f0_2, $f6, 25);
$f0f7_2 = self::mul($f0_2, $f7, 24);
$f0f8_2 = self::mul($f0_2, $f8, 25);
$f0f9_2 = self::mul($f0_2, $f9, 25);
$f1f1_2 = self::mul($f1_2, $f1, 24);
$f1f2_2 = self::mul($f1_2, $f2, 26);
$f1f3_4 = self::mul($f1_2, $f3_2, 25);
$f1f4_2 = self::mul($f1_2, $f4, 25);
$f1f5_4 = self::mul($f1_2, $f5_2, 26);
$f1f6_2 = self::mul($f1_2, $f6, 25);
$f1f7_4 = self::mul($f1_2, $f7_2, 25);
$f1f8_2 = self::mul($f1_2, $f8, 25);
$f1f9_76 = self::mul($f9_38, $f1_2, 25);
$f2f2 = self::mul($f2, $f2, 26);
$f2f3_2 = self::mul($f2_2, $f3, 24);
$f2f4_2 = self::mul($f2_2, $f4, 25);
$f2f5_2 = self::mul($f2_2, $f5, 25);
$f2f6_2 = self::mul($f2_2, $f6, 25);
$f2f7_2 = self::mul($f2_2, $f7, 25);
$f2f8_38 = self::mul($f8_19, $f2_2, 27);
$f2f9_38 = self::mul($f9_38, $f2, 26);
$f3f3_2 = self::mul($f3_2, $f3, 25);
$f3f4_2 = self::mul($f3_2, $f4, 25);
$f3f5_4 = self::mul($f3_2, $f5_2, 26);
$f3f6_2 = self::mul($f3_2, $f6, 25);
$f3f7_76 = self::mul($f7_38, $f3_2, 25);
$f3f8_38 = self::mul($f8_19, $f3_2, 25);
$f3f9_76 = self::mul($f9_38, $f3_2, 25);
$f4f4 = self::mul($f4, $f4, 25);
$f4f5_2 = self::mul($f4_2, $f5, 25);
$f4f6_38 = self::mul($f6_19, $f4_2, 26);
$f4f7_38 = self::mul($f7_38, $f4, 25);
$f4f8_38 = self::mul($f8_19, $f4_2, 26);
$f4f9_38 = self::mul($f9_38, $f4, 25);
$f5f5_38 = self::mul($f5_38, $f5, 25);
$f5f6_38 = self::mul($f6_19, $f5_2, 26);
$f5f7_76 = self::mul($f7_38, $f5_2, 26);
$f5f8_38 = self::mul($f8_19, $f5_2, 26);
$f5f9_76 = self::mul($f9_38, $f5_2, 26);
$f6f6_19 = self::mul($f6_19, $f6, 25);
$f6f7_38 = self::mul($f7_38, $f6, 25);
$f6f8_38 = self::mul($f8_19, $f6_2, 26);
$f6f9_38 = self::mul($f9_38, $f6, 25);
$f7f7_38 = self::mul($f7_38, $f7, 24);
$f7f8_38 = self::mul($f8_19, $f7_2, 25);
$f7f9_76 = self::mul($f9_38, $f7_2, 25);
$f8f8_19 = self::mul($f8_19, $f8, 25);
$f8f9_38 = self::mul($f9_38, $f8, 25);
$f9f9_38 = self::mul($f9_38, $f9, 25);
$h0 = $f0f0 + $f1f9_76 + $f2f8_38 + $f3f7_76 + $f4f6_38 + $f5f5_38;
$h1 = $f0f1_2 + $f2f9_38 + $f3f8_38 + $f4f7_38 + $f5f6_38;
$h2 = $f0f2_2 + $f1f1_2 + $f3f9_76 + $f4f8_38 + $f5f7_76 + $f6f6_19;
$h3 = $f0f3_2 + $f1f2_2 + $f4f9_38 + $f5f8_38 + $f6f7_38;
$h4 = $f0f4_2 + $f1f3_4 + $f2f2 + $f5f9_76 + $f6f8_38 + $f7f7_38;
$h5 = $f0f5_2 + $f1f4_2 + $f2f3_2 + $f6f9_38 + $f7f8_38;
$h6 = $f0f6_2 + $f1f5_4 + $f2f4_2 + $f3f3_2 + $f7f9_76 + $f8f8_19;
$h7 = $f0f7_2 + $f1f6_2 + $f2f5_2 + $f3f4_2 + $f8f9_38;
$h8 = $f0f8_2 + $f1f7_4 + $f2f6_2 + $f3f5_4 + $f4f4 + $f9f9_38;
$h9 = $f0f9_2 + $f1f8_2 + $f2f7_2 + $f3f6_2 + $f4f5_2;
/** @var int $carry0 */
$carry0 = ($h0 + (1 << 25)) >> 26;
$h1 += $carry0;
$h0 -= $carry0 << 26;
/** @var int $carry4 */
$carry4 = ($h4 + (1 << 25)) >> 26;
$h5 += $carry4;
$h4 -= $carry4 << 26;
/** @var int $carry1 */
$carry1 = ($h1 + (1 << 24)) >> 25;
$h2 += $carry1;
$h1 -= $carry1 << 25;
/** @var int $carry5 */
$carry5 = ($h5 + (1 << 24)) >> 25;
$h6 += $carry5;
$h5 -= $carry5 << 25;
/** @var int $carry2 */
$carry2 = ($h2 + (1 << 25)) >> 26;
$h3 += $carry2;
$h2 -= $carry2 << 26;
/** @var int $carry6 */
$carry6 = ($h6 + (1 << 25)) >> 26;
$h7 += $carry6;
$h6 -= $carry6 << 26;
/** @var int $carry3 */
$carry3 = ($h3 + (1 << 24)) >> 25;
$h4 += $carry3;
$h3 -= $carry3 << 25;
/** @var int $carry7 */
$carry7 = ($h7 + (1 << 24)) >> 25;
$h8 += $carry7;
$h7 -= $carry7 << 25;
/** @var int $carry4 */
$carry4 = ($h4 + (1 << 25)) >> 26;
$h5 += $carry4;
$h4 -= $carry4 << 26;
/** @var int $carry8 */
$carry8 = ($h8 + (1 << 25)) >> 26;
$h9 += $carry8;
$h8 -= $carry8 << 26;
/** @var int $carry9 */
$carry9 = ($h9 + (1 << 24)) >> 25;
$h0 += self::mul($carry9, 19, 5);
$h9 -= $carry9 << 25;
/** @var int $carry0 */
$carry0 = ($h0 + (1 << 25)) >> 26;
$h1 += $carry0;
$h0 -= $carry0 << 26;
return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(
array(
(int) $h0,
(int) $h1,
(int) $h2,
(int) $h3,
(int) $h4,
(int) $h5,
(int) $h6,
(int) $h7,
(int) $h8,
(int) $h9
)
);
}
/**
* Square and double a field element
*
* h = 2 * f * f
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $f
* @return ParagonIE_Sodium_Core_Curve25519_Fe
*/
public static function fe_sq2(ParagonIE_Sodium_Core_Curve25519_Fe $f)
{
$f0 = (int) $f[0];
$f1 = (int) $f[1];
$f2 = (int) $f[2];
$f3 = (int) $f[3];
$f4 = (int) $f[4];
$f5 = (int) $f[5];
$f6 = (int) $f[6];
$f7 = (int) $f[7];
$f8 = (int) $f[8];
$f9 = (int) $f[9];
/** @var int $f0_2 */
$f0_2 = $f0 << 1;
/** @var int $f1_2 */
$f1_2 = $f1 << 1;
/** @var int $f2_2 */
$f2_2 = $f2 << 1;
/** @var int $f3_2 */
$f3_2 = $f3 << 1;
/** @var int $f4_2 */
$f4_2 = $f4 << 1;
/** @var int $f5_2 */
$f5_2 = $f5 << 1;
/** @var int $f6_2 */
$f6_2 = $f6 << 1;
/** @var int $f7_2 */
$f7_2 = $f7 << 1;
$f5_38 = self::mul($f5, 38, 6); /* 1.959375*2^30 */
$f6_19 = self::mul($f6, 19, 5); /* 1.959375*2^30 */
$f7_38 = self::mul($f7, 38, 6); /* 1.959375*2^30 */
$f8_19 = self::mul($f8, 19, 5); /* 1.959375*2^30 */
$f9_38 = self::mul($f9, 38, 6); /* 1.959375*2^30 */
$f0f0 = self::mul($f0, $f0, 24);
$f0f1_2 = self::mul($f0_2, $f1, 24);
$f0f2_2 = self::mul($f0_2, $f2, 24);
$f0f3_2 = self::mul($f0_2, $f3, 24);
$f0f4_2 = self::mul($f0_2, $f4, 24);
$f0f5_2 = self::mul($f0_2, $f5, 24);
$f0f6_2 = self::mul($f0_2, $f6, 24);
$f0f7_2 = self::mul($f0_2, $f7, 24);
$f0f8_2 = self::mul($f0_2, $f8, 24);
$f0f9_2 = self::mul($f0_2, $f9, 24);
$f1f1_2 = self::mul($f1_2, $f1, 24);
$f1f2_2 = self::mul($f1_2, $f2, 24);
$f1f3_4 = self::mul($f1_2, $f3_2, 24);
$f1f4_2 = self::mul($f1_2, $f4, 24);
$f1f5_4 = self::mul($f1_2, $f5_2, 24);
$f1f6_2 = self::mul($f1_2, $f6, 24);
$f1f7_4 = self::mul($f1_2, $f7_2, 24);
$f1f8_2 = self::mul($f1_2, $f8, 24);
$f1f9_76 = self::mul($f9_38, $f1_2, 24);
$f2f2 = self::mul($f2, $f2, 24);
$f2f3_2 = self::mul($f2_2, $f3, 24);
$f2f4_2 = self::mul($f2_2, $f4, 24);
$f2f5_2 = self::mul($f2_2, $f5, 24);
$f2f6_2 = self::mul($f2_2, $f6, 24);
$f2f7_2 = self::mul($f2_2, $f7, 24);
$f2f8_38 = self::mul($f8_19, $f2_2, 25);
$f2f9_38 = self::mul($f9_38, $f2, 24);
$f3f3_2 = self::mul($f3_2, $f3, 24);
$f3f4_2 = self::mul($f3_2, $f4, 24);
$f3f5_4 = self::mul($f3_2, $f5_2, 24);
$f3f6_2 = self::mul($f3_2, $f6, 24);
$f3f7_76 = self::mul($f7_38, $f3_2, 24);
$f3f8_38 = self::mul($f8_19, $f3_2, 24);
$f3f9_76 = self::mul($f9_38, $f3_2, 24);
$f4f4 = self::mul($f4, $f4, 24);
$f4f5_2 = self::mul($f4_2, $f5, 24);
$f4f6_38 = self::mul($f6_19, $f4_2, 25);
$f4f7_38 = self::mul($f7_38, $f4, 24);
$f4f8_38 = self::mul($f8_19, $f4_2, 25);
$f4f9_38 = self::mul($f9_38, $f4, 24);
$f5f5_38 = self::mul($f5_38, $f5, 24);
$f5f6_38 = self::mul($f6_19, $f5_2, 24);
$f5f7_76 = self::mul($f7_38, $f5_2, 24);
$f5f8_38 = self::mul($f8_19, $f5_2, 24);
$f5f9_76 = self::mul($f9_38, $f5_2, 24);
$f6f6_19 = self::mul($f6_19, $f6, 24);
$f6f7_38 = self::mul($f7_38, $f6, 24);
$f6f8_38 = self::mul($f8_19, $f6_2, 25);
$f6f9_38 = self::mul($f9_38, $f6, 24);
$f7f7_38 = self::mul($f7_38, $f7, 24);
$f7f8_38 = self::mul($f8_19, $f7_2, 24);
$f7f9_76 = self::mul($f9_38, $f7_2, 24);
$f8f8_19 = self::mul($f8_19, $f8, 24);
$f8f9_38 = self::mul($f9_38, $f8, 24);
$f9f9_38 = self::mul($f9_38, $f9, 24);
/** @var int $h0 */
$h0 = (int) ($f0f0 + $f1f9_76 + $f2f8_38 + $f3f7_76 + $f4f6_38 + $f5f5_38) << 1;
/** @var int $h1 */
$h1 = (int) ($f0f1_2 + $f2f9_38 + $f3f8_38 + $f4f7_38 + $f5f6_38) << 1;
/** @var int $h2 */
$h2 = (int) ($f0f2_2 + $f1f1_2 + $f3f9_76 + $f4f8_38 + $f5f7_76 + $f6f6_19) << 1;
/** @var int $h3 */
$h3 = (int) ($f0f3_2 + $f1f2_2 + $f4f9_38 + $f5f8_38 + $f6f7_38) << 1;
/** @var int $h4 */
$h4 = (int) ($f0f4_2 + $f1f3_4 + $f2f2 + $f5f9_76 + $f6f8_38 + $f7f7_38) << 1;
/** @var int $h5 */
$h5 = (int) ($f0f5_2 + $f1f4_2 + $f2f3_2 + $f6f9_38 + $f7f8_38) << 1;
/** @var int $h6 */
$h6 = (int) ($f0f6_2 + $f1f5_4 + $f2f4_2 + $f3f3_2 + $f7f9_76 + $f8f8_19) << 1;
/** @var int $h7 */
$h7 = (int) ($f0f7_2 + $f1f6_2 + $f2f5_2 + $f3f4_2 + $f8f9_38) << 1;
/** @var int $h8 */
$h8 = (int) ($f0f8_2 + $f1f7_4 + $f2f6_2 + $f3f5_4 + $f4f4 + $f9f9_38) << 1;
/** @var int $h9 */
$h9 = (int) ($f0f9_2 + $f1f8_2 + $f2f7_2 + $f3f6_2 + $f4f5_2) << 1;
/** @var int $carry0 */
$carry0 = ($h0 + (1 << 25)) >> 26;
$h1 += $carry0;
$h0 -= $carry0 << 26;
/** @var int $carry4 */
$carry4 = ($h4 + (1 << 25)) >> 26;
$h5 += $carry4;
$h4 -= $carry4 << 26;
/** @var int $carry1 */
$carry1 = ($h1 + (1 << 24)) >> 25;
$h2 += $carry1;
$h1 -= $carry1 << 25;
/** @var int $carry5 */
$carry5 = ($h5 + (1 << 24)) >> 25;
$h6 += $carry5;
$h5 -= $carry5 << 25;
/** @var int $carry2 */
$carry2 = ($h2 + (1 << 25)) >> 26;
$h3 += $carry2;
$h2 -= $carry2 << 26;
/** @var int $carry6 */
$carry6 = ($h6 + (1 << 25)) >> 26;
$h7 += $carry6;
$h6 -= $carry6 << 26;
/** @var int $carry3 */
$carry3 = ($h3 + (1 << 24)) >> 25;
$h4 += $carry3;
$h3 -= $carry3 << 25;
/** @var int $carry7 */
$carry7 = ($h7 + (1 << 24)) >> 25;
$h8 += $carry7;
$h7 -= $carry7 << 25;
/** @var int $carry4 */
$carry4 = ($h4 + (1 << 25)) >> 26;
$h5 += $carry4;
$h4 -= $carry4 << 26;
/** @var int $carry8 */
$carry8 = ($h8 + (1 << 25)) >> 26;
$h9 += $carry8;
$h8 -= $carry8 << 26;
/** @var int $carry9 */
$carry9 = ($h9 + (1 << 24)) >> 25;
$h0 += self::mul($carry9, 19, 5);
$h9 -= $carry9 << 25;
/** @var int $carry0 */
$carry0 = ($h0 + (1 << 25)) >> 26;
$h1 += $carry0;
$h0 -= $carry0 << 26;
return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(
array(
(int) $h0,
(int) $h1,
(int) $h2,
(int) $h3,
(int) $h4,
(int) $h5,
(int) $h6,
(int) $h7,
(int) $h8,
(int) $h9
)
);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $Z
* @return ParagonIE_Sodium_Core_Curve25519_Fe
*/
public static function fe_invert(ParagonIE_Sodium_Core_Curve25519_Fe $Z)
{
$z = clone $Z;
$t0 = self::fe_sq($z);
$t1 = self::fe_sq($t0);
$t1 = self::fe_sq($t1);
$t1 = self::fe_mul($z, $t1);
$t0 = self::fe_mul($t0, $t1);
$t2 = self::fe_sq($t0);
$t1 = self::fe_mul($t1, $t2);
$t2 = self::fe_sq($t1);
for ($i = 1; $i < 5; ++$i) {
$t2 = self::fe_sq($t2);
}
$t1 = self::fe_mul($t2, $t1);
$t2 = self::fe_sq($t1);
for ($i = 1; $i < 10; ++$i) {
$t2 = self::fe_sq($t2);
}
$t2 = self::fe_mul($t2, $t1);
$t3 = self::fe_sq($t2);
for ($i = 1; $i < 20; ++$i) {
$t3 = self::fe_sq($t3);
}
$t2 = self::fe_mul($t3, $t2);
$t2 = self::fe_sq($t2);
for ($i = 1; $i < 10; ++$i) {
$t2 = self::fe_sq($t2);
}
$t1 = self::fe_mul($t2, $t1);
$t2 = self::fe_sq($t1);
for ($i = 1; $i < 50; ++$i) {
$t2 = self::fe_sq($t2);
}
$t2 = self::fe_mul($t2, $t1);
$t3 = self::fe_sq($t2);
for ($i = 1; $i < 100; ++$i) {
$t3 = self::fe_sq($t3);
}
$t2 = self::fe_mul($t3, $t2);
$t2 = self::fe_sq($t2);
for ($i = 1; $i < 50; ++$i) {
$t2 = self::fe_sq($t2);
}
$t1 = self::fe_mul($t2, $t1);
$t1 = self::fe_sq($t1);
for ($i = 1; $i < 5; ++$i) {
$t1 = self::fe_sq($t1);
}
return self::fe_mul($t1, $t0);
}
/**
* @internal You should not use this directly from another application
*
* @ref https://github.com/jedisct1/libsodium/blob/68564326e1e9dc57ef03746f85734232d20ca6fb/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1054-L1106
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $z
* @return ParagonIE_Sodium_Core_Curve25519_Fe
*/
public static function fe_pow22523(ParagonIE_Sodium_Core_Curve25519_Fe $z)
{
# fe_sq(t0, z);
# fe_sq(t1, t0);
# fe_sq(t1, t1);
# fe_mul(t1, z, t1);
# fe_mul(t0, t0, t1);
# fe_sq(t0, t0);
# fe_mul(t0, t1, t0);
# fe_sq(t1, t0);
$t0 = self::fe_sq($z);
$t1 = self::fe_sq($t0);
$t1 = self::fe_sq($t1);
$t1 = self::fe_mul($z, $t1);
$t0 = self::fe_mul($t0, $t1);
$t0 = self::fe_sq($t0);
$t0 = self::fe_mul($t1, $t0);
$t1 = self::fe_sq($t0);
# for (i = 1; i < 5; ++i) {
# fe_sq(t1, t1);
# }
for ($i = 1; $i < 5; ++$i) {
$t1 = self::fe_sq($t1);
}
# fe_mul(t0, t1, t0);
# fe_sq(t1, t0);
$t0 = self::fe_mul($t1, $t0);
$t1 = self::fe_sq($t0);
# for (i = 1; i < 10; ++i) {
# fe_sq(t1, t1);
# }
for ($i = 1; $i < 10; ++$i) {
$t1 = self::fe_sq($t1);
}
# fe_mul(t1, t1, t0);
# fe_sq(t2, t1);
$t1 = self::fe_mul($t1, $t0);
$t2 = self::fe_sq($t1);
# for (i = 1; i < 20; ++i) {
# fe_sq(t2, t2);
# }
for ($i = 1; $i < 20; ++$i) {
$t2 = self::fe_sq($t2);
}
# fe_mul(t1, t2, t1);
# fe_sq(t1, t1);
$t1 = self::fe_mul($t2, $t1);
$t1 = self::fe_sq($t1);
# for (i = 1; i < 10; ++i) {
# fe_sq(t1, t1);
# }
for ($i = 1; $i < 10; ++$i) {
$t1 = self::fe_sq($t1);
}
# fe_mul(t0, t1, t0);
# fe_sq(t1, t0);
$t0 = self::fe_mul($t1, $t0);
$t1 = self::fe_sq($t0);
# for (i = 1; i < 50; ++i) {
# fe_sq(t1, t1);
# }
for ($i = 1; $i < 50; ++$i) {
$t1 = self::fe_sq($t1);
}
# fe_mul(t1, t1, t0);
# fe_sq(t2, t1);
$t1 = self::fe_mul($t1, $t0);
$t2 = self::fe_sq($t1);
# for (i = 1; i < 100; ++i) {
# fe_sq(t2, t2);
# }
for ($i = 1; $i < 100; ++$i) {
$t2 = self::fe_sq($t2);
}
# fe_mul(t1, t2, t1);
# fe_sq(t1, t1);
$t1 = self::fe_mul($t2, $t1);
$t1 = self::fe_sq($t1);
# for (i = 1; i < 50; ++i) {
# fe_sq(t1, t1);
# }
for ($i = 1; $i < 50; ++$i) {
$t1 = self::fe_sq($t1);
}
# fe_mul(t0, t1, t0);
# fe_sq(t0, t0);
# fe_sq(t0, t0);
# fe_mul(out, t0, z);
$t0 = self::fe_mul($t1, $t0);
$t0 = self::fe_sq($t0);
$t0 = self::fe_sq($t0);
return self::fe_mul($t0, $z);
}
/**
* Subtract two field elements.
*
* h = f - g
*
* Preconditions:
* |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
* |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
*
* Postconditions:
* |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $f
* @param ParagonIE_Sodium_Core_Curve25519_Fe $g
* @return ParagonIE_Sodium_Core_Curve25519_Fe
* @psalm-suppress MixedOperand
*/
public static function fe_sub(ParagonIE_Sodium_Core_Curve25519_Fe $f, ParagonIE_Sodium_Core_Curve25519_Fe $g)
{
return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(
array(
(int) ($f[0] - $g[0]),
(int) ($f[1] - $g[1]),
(int) ($f[2] - $g[2]),
(int) ($f[3] - $g[3]),
(int) ($f[4] - $g[4]),
(int) ($f[5] - $g[5]),
(int) ($f[6] - $g[6]),
(int) ($f[7] - $g[7]),
(int) ($f[8] - $g[8]),
(int) ($f[9] - $g[9])
)
);
}
/**
* Add two group elements.
*
* r = p + q
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p
* @param ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1
*/
public static function ge_add(
ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p,
ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q
) {
$r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1();
$r->X = self::fe_add($p->Y, $p->X);
$r->Y = self::fe_sub($p->Y, $p->X);
$r->Z = self::fe_mul($r->X, $q->YplusX);
$r->Y = self::fe_mul($r->Y, $q->YminusX);
$r->T = self::fe_mul($q->T2d, $p->T);
$r->X = self::fe_mul($p->Z, $q->Z);
$t0 = self::fe_add($r->X, $r->X);
$r->X = self::fe_sub($r->Z, $r->Y);
$r->Y = self::fe_add($r->Z, $r->Y);
$r->Z = self::fe_add($t0, $r->T);
$r->T = self::fe_sub($t0, $r->T);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @ref https://github.com/jedisct1/libsodium/blob/157c4a80c13b117608aeae12178b2d38825f9f8f/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1185-L1215
* @param string $a
* @return array
* @throws SodiumException
* @throws TypeError
*/
public static function slide($a)
{
if (self::strlen($a) < 256) {
if (self::strlen($a) < 16) {
$a = str_pad($a, 256, '0', STR_PAD_RIGHT);
}
}
/** @var array $r */
$r = array();
/** @var int $i */
for ($i = 0; $i < 256; ++$i) {
$r[$i] = (int) (
1 & (
self::chrToInt($a[(int) ($i >> 3)])
>>
($i & 7)
)
);
}
for ($i = 0;$i < 256;++$i) {
if ($r[$i]) {
for ($b = 1;$b <= 6 && $i + $b < 256;++$b) {
if ($r[$i + $b]) {
if ($r[$i] + ($r[$i + $b] << $b) <= 15) {
$r[$i] += $r[$i + $b] << $b;
$r[$i + $b] = 0;
} elseif ($r[$i] - ($r[$i + $b] << $b) >= -15) {
$r[$i] -= $r[$i + $b] << $b;
for ($k = $i + $b; $k < 256; ++$k) {
if (!$r[$k]) {
$r[$k] = 1;
break;
}
$r[$k] = 0;
}
} else {
break;
}
}
}
}
}
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @param string $s
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P3
* @throws SodiumException
* @throws TypeError
*/
public static function ge_frombytes_negate_vartime($s)
{
static $d = null;
if (!$d) {
$d = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$d);
}
# fe_frombytes(h->Y,s);
# fe_1(h->Z);
$h = new ParagonIE_Sodium_Core_Curve25519_Ge_P3(
self::fe_0(),
self::fe_frombytes($s),
self::fe_1()
);
# fe_sq(u,h->Y);
# fe_mul(v,u,d);
# fe_sub(u,u,h->Z); /* u = y^2-1 */
# fe_add(v,v,h->Z); /* v = dy^2+1 */
$u = self::fe_sq($h->Y);
/** @var ParagonIE_Sodium_Core_Curve25519_Fe $d */
$v = self::fe_mul($u, $d);
$u = self::fe_sub($u, $h->Z); /* u = y^2 - 1 */
$v = self::fe_add($v, $h->Z); /* v = dy^2 + 1 */
# fe_sq(v3,v);
# fe_mul(v3,v3,v); /* v3 = v^3 */
# fe_sq(h->X,v3);
# fe_mul(h->X,h->X,v);
# fe_mul(h->X,h->X,u); /* x = uv^7 */
$v3 = self::fe_sq($v);
$v3 = self::fe_mul($v3, $v); /* v3 = v^3 */
$h->X = self::fe_sq($v3);
$h->X = self::fe_mul($h->X, $v);
$h->X = self::fe_mul($h->X, $u); /* x = uv^7 */
# fe_pow22523(h->X,h->X); /* x = (uv^7)^((q-5)/8) */
# fe_mul(h->X,h->X,v3);
# fe_mul(h->X,h->X,u); /* x = uv^3(uv^7)^((q-5)/8) */
$h->X = self::fe_pow22523($h->X); /* x = (uv^7)^((q-5)/8) */
$h->X = self::fe_mul($h->X, $v3);
$h->X = self::fe_mul($h->X, $u); /* x = uv^3(uv^7)^((q-5)/8) */
# fe_sq(vxx,h->X);
# fe_mul(vxx,vxx,v);
# fe_sub(check,vxx,u); /* vx^2-u */
$vxx = self::fe_sq($h->X);
$vxx = self::fe_mul($vxx, $v);
$check = self::fe_sub($vxx, $u); /* vx^2 - u */
# if (fe_isnonzero(check)) {
# fe_add(check,vxx,u); /* vx^2+u */
# if (fe_isnonzero(check)) {
# return -1;
# }
# fe_mul(h->X,h->X,sqrtm1);
# }
if (self::fe_isnonzero($check)) {
$check = self::fe_add($vxx, $u); /* vx^2 + u */
if (self::fe_isnonzero($check)) {
throw new RangeException('Internal check failed.');
}
$h->X = self::fe_mul(
$h->X,
ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqrtm1)
);
}
# if (fe_isnegative(h->X) == (s[31] >> 7)) {
# fe_neg(h->X,h->X);
# }
$i = self::chrToInt($s[31]);
if (self::fe_isnegative($h->X) === ($i >> 7)) {
$h->X = self::fe_neg($h->X);
}
# fe_mul(h->T,h->X,h->Y);
$h->T = self::fe_mul($h->X, $h->Y);
return $h;
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p
* @param ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1
*/
public static function ge_madd(
ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R,
ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p,
ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q
) {
$r = clone $R;
$r->X = self::fe_add($p->Y, $p->X);
$r->Y = self::fe_sub($p->Y, $p->X);
$r->Z = self::fe_mul($r->X, $q->yplusx);
$r->Y = self::fe_mul($r->Y, $q->yminusx);
$r->T = self::fe_mul($q->xy2d, $p->T);
$t0 = self::fe_add(clone $p->Z, clone $p->Z);
$r->X = self::fe_sub($r->Z, $r->Y);
$r->Y = self::fe_add($r->Z, $r->Y);
$r->Z = self::fe_add($t0, $r->T);
$r->T = self::fe_sub($t0, $r->T);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p
* @param ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1
*/
public static function ge_msub(
ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R,
ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p,
ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q
) {
$r = clone $R;
$r->X = self::fe_add($p->Y, $p->X);
$r->Y = self::fe_sub($p->Y, $p->X);
$r->Z = self::fe_mul($r->X, $q->yminusx);
$r->Y = self::fe_mul($r->Y, $q->yplusx);
$r->T = self::fe_mul($q->xy2d, $p->T);
$t0 = self::fe_add($p->Z, $p->Z);
$r->X = self::fe_sub($r->Z, $r->Y);
$r->Y = self::fe_add($r->Z, $r->Y);
$r->Z = self::fe_sub($t0, $r->T);
$r->T = self::fe_add($t0, $r->T);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P2
*/
public static function ge_p1p1_to_p2(ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p)
{
$r = new ParagonIE_Sodium_Core_Curve25519_Ge_P2();
$r->X = self::fe_mul($p->X, $p->T);
$r->Y = self::fe_mul($p->Y, $p->Z);
$r->Z = self::fe_mul($p->Z, $p->T);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P3
*/
public static function ge_p1p1_to_p3(ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p)
{
$r = new ParagonIE_Sodium_Core_Curve25519_Ge_P3();
$r->X = self::fe_mul($p->X, $p->T);
$r->Y = self::fe_mul($p->Y, $p->Z);
$r->Z = self::fe_mul($p->Z, $p->T);
$r->T = self::fe_mul($p->X, $p->Y);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P2
*/
public static function ge_p2_0()
{
return new ParagonIE_Sodium_Core_Curve25519_Ge_P2(
self::fe_0(),
self::fe_1(),
self::fe_1()
);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P2 $p
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1
*/
public static function ge_p2_dbl(ParagonIE_Sodium_Core_Curve25519_Ge_P2 $p)
{
$r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1();
$r->X = self::fe_sq($p->X);
$r->Z = self::fe_sq($p->Y);
$r->T = self::fe_sq2($p->Z);
$r->Y = self::fe_add($p->X, $p->Y);
$t0 = self::fe_sq($r->Y);
$r->Y = self::fe_add($r->Z, $r->X);
$r->Z = self::fe_sub($r->Z, $r->X);
$r->X = self::fe_sub($t0, $r->Y);
$r->T = self::fe_sub($r->T, $r->Z);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P3
*/
public static function ge_p3_0()
{
return new ParagonIE_Sodium_Core_Curve25519_Ge_P3(
self::fe_0(),
self::fe_1(),
self::fe_1(),
self::fe_0()
);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p
* @return ParagonIE_Sodium_Core_Curve25519_Ge_Cached
*/
public static function ge_p3_to_cached(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p)
{
static $d2 = null;
if ($d2 === null) {
$d2 = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$d2);
}
/** @var ParagonIE_Sodium_Core_Curve25519_Fe $d2 */
$r = new ParagonIE_Sodium_Core_Curve25519_Ge_Cached();
$r->YplusX = self::fe_add($p->Y, $p->X);
$r->YminusX = self::fe_sub($p->Y, $p->X);
$r->Z = self::fe_copy($p->Z);
$r->T2d = self::fe_mul($p->T, $d2);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P2
*/
public static function ge_p3_to_p2(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p)
{
return new ParagonIE_Sodium_Core_Curve25519_Ge_P2(
self::fe_copy($p->X),
self::fe_copy($p->Y),
self::fe_copy($p->Z)
);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function ge_p3_tobytes(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h)
{
$recip = self::fe_invert($h->Z);
$x = self::fe_mul($h->X, $recip);
$y = self::fe_mul($h->Y, $recip);
$s = self::fe_tobytes($y);
$s[31] = self::intToChr(
self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7)
);
return $s;
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1
*/
public static function ge_p3_dbl(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p)
{
$q = self::ge_p3_to_p2($p);
return self::ge_p2_dbl($q);
}
/**
* @return ParagonIE_Sodium_Core_Curve25519_Ge_Precomp
*/
public static function ge_precomp_0()
{
return new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp(
self::fe_1(),
self::fe_1(),
self::fe_0()
);
}
/**
* @internal You should not use this directly from another application
*
* @param int $b
* @param int $c
* @return int
*/
public static function equal($b, $c)
{
return (int) ((($b ^ $c) - 1) >> 31) & 1;
}
/**
* @internal You should not use this directly from another application
*
* @param int|string $char
* @return int (1 = yes, 0 = no)
* @throws SodiumException
* @throws TypeError
*/
public static function negative($char)
{
if (is_int($char)) {
return ($char >> 63) & 1;
}
$x = self::chrToInt(self::substr($char, 0, 1));
return (int) ($x >> 63);
}
/**
* Conditional move
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $t
* @param ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $u
* @param int $b
* @return ParagonIE_Sodium_Core_Curve25519_Ge_Precomp
*/
public static function cmov(
ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $t,
ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $u,
$b
) {
if (!is_int($b)) {
throw new InvalidArgumentException('Expected an integer.');
}
return new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp(
self::fe_cmov($t->yplusx, $u->yplusx, $b),
self::fe_cmov($t->yminusx, $u->yminusx, $b),
self::fe_cmov($t->xy2d, $u->xy2d, $b)
);
}
/**
* @param ParagonIE_Sodium_Core_Curve25519_Ge_Cached $t
* @param ParagonIE_Sodium_Core_Curve25519_Ge_Cached $u
* @param int $b
* @return ParagonIE_Sodium_Core_Curve25519_Ge_Cached
*/
public static function ge_cmov_cached(
ParagonIE_Sodium_Core_Curve25519_Ge_Cached $t,
ParagonIE_Sodium_Core_Curve25519_Ge_Cached $u,
$b
) {
$b &= 1;
$ret = new ParagonIE_Sodium_Core_Curve25519_Ge_Cached();
$ret->YplusX = self::fe_cmov($t->YplusX, $u->YplusX, $b);
$ret->YminusX = self::fe_cmov($t->YminusX, $u->YminusX, $b);
$ret->Z = self::fe_cmov($t->Z, $u->Z, $b);
$ret->T2d = self::fe_cmov($t->T2d, $u->T2d, $b);
return $ret;
}
/**
* @param ParagonIE_Sodium_Core_Curve25519_Ge_Cached[] $cached
* @param int $b
* @return ParagonIE_Sodium_Core_Curve25519_Ge_Cached
* @throws SodiumException
*/
public static function ge_cmov8_cached(array $cached, $b)
{
// const unsigned char bnegative = negative(b);
// const unsigned char babs = b - (((-bnegative) & b) * ((signed char) 1 << 1));
$bnegative = self::negative($b);
$babs = $b - (((-$bnegative) & $b) << 1);
// ge25519_cached_0(t);
$t = new ParagonIE_Sodium_Core_Curve25519_Ge_Cached(
self::fe_1(),
self::fe_1(),
self::fe_1(),
self::fe_0()
);
// ge25519_cmov_cached(t, &cached[0], equal(babs, 1));
// ge25519_cmov_cached(t, &cached[1], equal(babs, 2));
// ge25519_cmov_cached(t, &cached[2], equal(babs, 3));
// ge25519_cmov_cached(t, &cached[3], equal(babs, 4));
// ge25519_cmov_cached(t, &cached[4], equal(babs, 5));
// ge25519_cmov_cached(t, &cached[5], equal(babs, 6));
// ge25519_cmov_cached(t, &cached[6], equal(babs, 7));
// ge25519_cmov_cached(t, &cached[7], equal(babs, 8));
for ($x = 0; $x < 8; ++$x) {
$t = self::ge_cmov_cached($t, $cached[$x], self::equal($babs, $x + 1));
}
// fe25519_copy(minust.YplusX, t->YminusX);
// fe25519_copy(minust.YminusX, t->YplusX);
// fe25519_copy(minust.Z, t->Z);
// fe25519_neg(minust.T2d, t->T2d);
$minust = new ParagonIE_Sodium_Core_Curve25519_Ge_Cached(
self::fe_copy($t->YminusX),
self::fe_copy($t->YplusX),
self::fe_copy($t->Z),
self::fe_neg($t->T2d)
);
return self::ge_cmov_cached($t, $minust, $bnegative);
}
/**
* @internal You should not use this directly from another application
*
* @param int $pos
* @param int $b
* @return ParagonIE_Sodium_Core_Curve25519_Ge_Precomp
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayOffset
*/
public static function ge_select($pos = 0, $b = 0)
{
static $base = null;
if ($base === null) {
$base = array();
/** @var int $i */
foreach (self::$base as $i => $bas) {
for ($j = 0; $j < 8; ++$j) {
$base[$i][$j] = new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp(
ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($bas[$j][0]),
ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($bas[$j][1]),
ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($bas[$j][2])
);
}
}
}
/** @var array> $base */
if (!is_int($pos)) {
throw new InvalidArgumentException('Position must be an integer');
}
if ($pos < 0 || $pos > 31) {
throw new RangeException('Position is out of range [0, 31]');
}
/** @var int $bnegative */
$bnegative = self::negative($b);
/** @var int $babs */
$babs = $b - (((-$bnegative) & $b) << 1);
$t = self::ge_precomp_0();
for ($i = 0; $i < 8; ++$i) {
$t = self::cmov(
$t,
$base[$pos][$i],
self::equal($babs, $i + 1)
);
}
$minusT = new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp(
self::fe_copy($t->yminusx),
self::fe_copy($t->yplusx),
self::fe_neg($t->xy2d)
);
return self::cmov($t, $minusT, $bnegative);
}
/**
* Subtract two group elements.
*
* r = p - q
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p
* @param ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P1p1
*/
public static function ge_sub(
ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p,
ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q
) {
$r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1();
$r->X = self::fe_add($p->Y, $p->X);
$r->Y = self::fe_sub($p->Y, $p->X);
$r->Z = self::fe_mul($r->X, $q->YminusX);
$r->Y = self::fe_mul($r->Y, $q->YplusX);
$r->T = self::fe_mul($q->T2d, $p->T);
$r->X = self::fe_mul($p->Z, $q->Z);
$t0 = self::fe_add($r->X, $r->X);
$r->X = self::fe_sub($r->Z, $r->Y);
$r->Y = self::fe_add($r->Z, $r->Y);
$r->Z = self::fe_sub($t0, $r->T);
$r->T = self::fe_add($t0, $r->T);
return $r;
}
/**
* Convert a group element to a byte string.
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P2 $h
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function ge_tobytes(ParagonIE_Sodium_Core_Curve25519_Ge_P2 $h)
{
$recip = self::fe_invert($h->Z);
$x = self::fe_mul($h->X, $recip);
$y = self::fe_mul($h->Y, $recip);
$s = self::fe_tobytes($y);
$s[31] = self::intToChr(
self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7)
);
return $s;
}
/**
* @internal You should not use this directly from another application
*
* @param string $a
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A
* @param string $b
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P2
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayAccess
*/
public static function ge_double_scalarmult_vartime(
$a,
ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A,
$b
) {
/** @var array $Ai */
$Ai = array();
/** @var array $Bi */
static $Bi = array();
if (!$Bi) {
for ($i = 0; $i < 8; ++$i) {
$Bi[$i] = new ParagonIE_Sodium_Core_Curve25519_Ge_Precomp(
ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$base2[$i][0]),
ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$base2[$i][1]),
ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$base2[$i][2])
);
}
}
for ($i = 0; $i < 8; ++$i) {
$Ai[$i] = new ParagonIE_Sodium_Core_Curve25519_Ge_Cached(
self::fe_0(),
self::fe_0(),
self::fe_0(),
self::fe_0()
);
}
# slide(aslide,a);
# slide(bslide,b);
/** @var array $aslide */
$aslide = self::slide($a);
/** @var array $bslide */
$bslide = self::slide($b);
# ge_p3_to_cached(&Ai[0],A);
# ge_p3_dbl(&t,A); ge_p1p1_to_p3(&A2,&t);
$Ai[0] = self::ge_p3_to_cached($A);
$t = self::ge_p3_dbl($A);
$A2 = self::ge_p1p1_to_p3($t);
# ge_add(&t,&A2,&Ai[0]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[1],&u);
# ge_add(&t,&A2,&Ai[1]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[2],&u);
# ge_add(&t,&A2,&Ai[2]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[3],&u);
# ge_add(&t,&A2,&Ai[3]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[4],&u);
# ge_add(&t,&A2,&Ai[4]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[5],&u);
# ge_add(&t,&A2,&Ai[5]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[6],&u);
# ge_add(&t,&A2,&Ai[6]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[7],&u);
for ($i = 0; $i < 7; ++$i) {
$t = self::ge_add($A2, $Ai[$i]);
$u = self::ge_p1p1_to_p3($t);
$Ai[$i + 1] = self::ge_p3_to_cached($u);
}
# ge_p2_0(r);
$r = self::ge_p2_0();
# for (i = 255;i >= 0;--i) {
# if (aslide[i] || bslide[i]) break;
# }
$i = 255;
for (; $i >= 0; --$i) {
if ($aslide[$i] || $bslide[$i]) {
break;
}
}
# for (;i >= 0;--i) {
for (; $i >= 0; --$i) {
# ge_p2_dbl(&t,r);
$t = self::ge_p2_dbl($r);
# if (aslide[i] > 0) {
if ($aslide[$i] > 0) {
# ge_p1p1_to_p3(&u,&t);
# ge_add(&t,&u,&Ai[aslide[i]/2]);
$u = self::ge_p1p1_to_p3($t);
$t = self::ge_add(
$u,
$Ai[(int) floor($aslide[$i] / 2)]
);
# } else if (aslide[i] < 0) {
} elseif ($aslide[$i] < 0) {
# ge_p1p1_to_p3(&u,&t);
# ge_sub(&t,&u,&Ai[(-aslide[i])/2]);
$u = self::ge_p1p1_to_p3($t);
$t = self::ge_sub(
$u,
$Ai[(int) floor(-$aslide[$i] / 2)]
);
}
# if (bslide[i] > 0) {
if ($bslide[$i] > 0) {
/** @var int $index */
$index = (int) floor($bslide[$i] / 2);
# ge_p1p1_to_p3(&u,&t);
# ge_madd(&t,&u,&Bi[bslide[i]/2]);
$u = self::ge_p1p1_to_p3($t);
$t = self::ge_madd($t, $u, $Bi[$index]);
# } else if (bslide[i] < 0) {
} elseif ($bslide[$i] < 0) {
/** @var int $index */
$index = (int) floor(-$bslide[$i] / 2);
# ge_p1p1_to_p3(&u,&t);
# ge_msub(&t,&u,&Bi[(-bslide[i])/2]);
$u = self::ge_p1p1_to_p3($t);
$t = self::ge_msub($t, $u, $Bi[$index]);
}
# ge_p1p1_to_p2(r,&t);
$r = self::ge_p1p1_to_p2($t);
}
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @param string $a
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P3
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedOperand
*/
public static function ge_scalarmult($a, $p)
{
$e = array_fill(0, 64, 0);
/** @var ParagonIE_Sodium_Core_Curve25519_Ge_Cached[] $pi */
$pi = array();
// ge25519_p3_to_cached(&pi[1 - 1], p); /* p */
$pi[0] = self::ge_p3_to_cached($p);
// ge25519_p3_dbl(&t2, p);
// ge25519_p1p1_to_p3(&p2, &t2);
// ge25519_p3_to_cached(&pi[2 - 1], &p2); /* 2p = 2*p */
$t2 = self::ge_p3_dbl($p);
$p2 = self::ge_p1p1_to_p3($t2);
$pi[1] = self::ge_p3_to_cached($p2);
// ge25519_add_cached(&t3, p, &pi[2 - 1]);
// ge25519_p1p1_to_p3(&p3, &t3);
// ge25519_p3_to_cached(&pi[3 - 1], &p3); /* 3p = 2p+p */
$t3 = self::ge_add($p, $pi[1]);
$p3 = self::ge_p1p1_to_p3($t3);
$pi[2] = self::ge_p3_to_cached($p3);
// ge25519_p3_dbl(&t4, &p2);
// ge25519_p1p1_to_p3(&p4, &t4);
// ge25519_p3_to_cached(&pi[4 - 1], &p4); /* 4p = 2*2p */
$t4 = self::ge_p3_dbl($p2);
$p4 = self::ge_p1p1_to_p3($t4);
$pi[3] = self::ge_p3_to_cached($p4);
// ge25519_add_cached(&t5, p, &pi[4 - 1]);
// ge25519_p1p1_to_p3(&p5, &t5);
// ge25519_p3_to_cached(&pi[5 - 1], &p5); /* 5p = 4p+p */
$t5 = self::ge_add($p, $pi[3]);
$p5 = self::ge_p1p1_to_p3($t5);
$pi[4] = self::ge_p3_to_cached($p5);
// ge25519_p3_dbl(&t6, &p3);
// ge25519_p1p1_to_p3(&p6, &t6);
// ge25519_p3_to_cached(&pi[6 - 1], &p6); /* 6p = 2*3p */
$t6 = self::ge_p3_dbl($p3);
$p6 = self::ge_p1p1_to_p3($t6);
$pi[5] = self::ge_p3_to_cached($p6);
// ge25519_add_cached(&t7, p, &pi[6 - 1]);
// ge25519_p1p1_to_p3(&p7, &t7);
// ge25519_p3_to_cached(&pi[7 - 1], &p7); /* 7p = 6p+p */
$t7 = self::ge_add($p, $pi[5]);
$p7 = self::ge_p1p1_to_p3($t7);
$pi[6] = self::ge_p3_to_cached($p7);
// ge25519_p3_dbl(&t8, &p4);
// ge25519_p1p1_to_p3(&p8, &t8);
// ge25519_p3_to_cached(&pi[8 - 1], &p8); /* 8p = 2*4p */
$t8 = self::ge_p3_dbl($p4);
$p8 = self::ge_p1p1_to_p3($t8);
$pi[7] = self::ge_p3_to_cached($p8);
// for (i = 0; i < 32; ++i) {
// e[2 * i + 0] = (a[i] >> 0) & 15;
// e[2 * i + 1] = (a[i] >> 4) & 15;
// }
for ($i = 0; $i < 32; ++$i) {
$e[($i << 1) ] = self::chrToInt($a[$i]) & 15;
$e[($i << 1) + 1] = (self::chrToInt($a[$i]) >> 4) & 15;
}
// /* each e[i] is between 0 and 15 */
// /* e[63] is between 0 and 7 */
// carry = 0;
// for (i = 0; i < 63; ++i) {
// e[i] += carry;
// carry = e[i] + 8;
// carry >>= 4;
// e[i] -= carry * ((signed char) 1 << 4);
// }
$carry = 0;
for ($i = 0; $i < 64; ++$i) {
$e[$i] += $carry;
$carry = $e[$i] + 8;
$carry >>= 4;
$e[$i] -= $carry << 4;
}
// e[63] += carry;
// /* each e[i] is between -8 and 8 */
$e[63] += $carry;
// ge25519_p3_0(h);
$h = self::ge_p3_0();
// for (i = 63; i != 0; i--) {
for ($i = 63; $i != 0; --$i) {
// ge25519_cmov8_cached(&t, pi, e[i]);
$t = self::ge_cmov8_cached($pi, $e[$i]);
// ge25519_add_cached(&r, h, &t);
$r = self::ge_add($h, $t);
// ge25519_p1p1_to_p2(&s, &r);
// ge25519_p2_dbl(&r, &s);
// ge25519_p1p1_to_p2(&s, &r);
// ge25519_p2_dbl(&r, &s);
// ge25519_p1p1_to_p2(&s, &r);
// ge25519_p2_dbl(&r, &s);
// ge25519_p1p1_to_p2(&s, &r);
// ge25519_p2_dbl(&r, &s);
$s = self::ge_p1p1_to_p2($r);
$r = self::ge_p2_dbl($s);
$s = self::ge_p1p1_to_p2($r);
$r = self::ge_p2_dbl($s);
$s = self::ge_p1p1_to_p2($r);
$r = self::ge_p2_dbl($s);
$s = self::ge_p1p1_to_p2($r);
$r = self::ge_p2_dbl($s);
// ge25519_p1p1_to_p3(h, &r); /* *16 */
$h = self::ge_p1p1_to_p3($r); /* *16 */
}
// ge25519_cmov8_cached(&t, pi, e[i]);
// ge25519_add_cached(&r, h, &t);
// ge25519_p1p1_to_p3(h, &r);
$t = self::ge_cmov8_cached($pi, $e[0]);
$r = self::ge_add($h, $t);
return self::ge_p1p1_to_p3($r);
}
/**
* @internal You should not use this directly from another application
*
* @param string $a
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P3
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedOperand
*/
public static function ge_scalarmult_base($a)
{
/** @var array $e */
$e = array();
$r = new ParagonIE_Sodium_Core_Curve25519_Ge_P1p1();
for ($i = 0; $i < 32; ++$i) {
/** @var int $dbl */
$dbl = (int) $i << 1;
$e[$dbl] = (int) self::chrToInt($a[$i]) & 15;
$e[$dbl + 1] = (int) (self::chrToInt($a[$i]) >> 4) & 15;
}
/** @var int $carry */
$carry = 0;
for ($i = 0; $i < 63; ++$i) {
$e[$i] += $carry;
/** @var int $carry */
$carry = $e[$i] + 8;
/** @var int $carry */
$carry >>= 4;
$e[$i] -= $carry << 4;
}
/** @var array $e */
$e[63] += (int) $carry;
$h = self::ge_p3_0();
for ($i = 1; $i < 64; $i += 2) {
$t = self::ge_select((int) floor($i / 2), (int) $e[$i]);
$r = self::ge_madd($r, $h, $t);
$h = self::ge_p1p1_to_p3($r);
}
$r = self::ge_p3_dbl($h);
$s = self::ge_p1p1_to_p2($r);
$r = self::ge_p2_dbl($s);
$s = self::ge_p1p1_to_p2($r);
$r = self::ge_p2_dbl($s);
$s = self::ge_p1p1_to_p2($r);
$r = self::ge_p2_dbl($s);
$h = self::ge_p1p1_to_p3($r);
for ($i = 0; $i < 64; $i += 2) {
$t = self::ge_select($i >> 1, (int) $e[$i]);
$r = self::ge_madd($r, $h, $t);
$h = self::ge_p1p1_to_p3($r);
}
return $h;
}
/**
* Calculates (ab + c) mod l
* where l = 2^252 + 27742317777372353535851937790883648493
*
* @internal You should not use this directly from another application
*
* @param string $a
* @param string $b
* @param string $c
* @return string
* @throws TypeError
*/
public static function sc_muladd($a, $b, $c)
{
/** @var int $a0 */
$a0 = 2097151 & self::load_3(self::substr($a, 0, 3));
/** @var int $a1 */
$a1 = 2097151 & (self::load_4(self::substr($a, 2, 4)) >> 5);
/** @var int $a2 */
$a2 = 2097151 & (self::load_3(self::substr($a, 5, 3)) >> 2);
/** @var int $a3 */
$a3 = 2097151 & (self::load_4(self::substr($a, 7, 4)) >> 7);
/** @var int $a4 */
$a4 = 2097151 & (self::load_4(self::substr($a, 10, 4)) >> 4);
/** @var int $a5 */
$a5 = 2097151 & (self::load_3(self::substr($a, 13, 3)) >> 1);
/** @var int $a6 */
$a6 = 2097151 & (self::load_4(self::substr($a, 15, 4)) >> 6);
/** @var int $a7 */
$a7 = 2097151 & (self::load_3(self::substr($a, 18, 3)) >> 3);
/** @var int $a8 */
$a8 = 2097151 & self::load_3(self::substr($a, 21, 3));
/** @var int $a9 */
$a9 = 2097151 & (self::load_4(self::substr($a, 23, 4)) >> 5);
/** @var int $a10 */
$a10 = 2097151 & (self::load_3(self::substr($a, 26, 3)) >> 2);
/** @var int $a11 */
$a11 = (self::load_4(self::substr($a, 28, 4)) >> 7);
/** @var int $b0 */
$b0 = 2097151 & self::load_3(self::substr($b, 0, 3));
/** @var int $b1 */
$b1 = 2097151 & (self::load_4(self::substr($b, 2, 4)) >> 5);
/** @var int $b2 */
$b2 = 2097151 & (self::load_3(self::substr($b, 5, 3)) >> 2);
/** @var int $b3 */
$b3 = 2097151 & (self::load_4(self::substr($b, 7, 4)) >> 7);
/** @var int $b4 */
$b4 = 2097151 & (self::load_4(self::substr($b, 10, 4)) >> 4);
/** @var int $b5 */
$b5 = 2097151 & (self::load_3(self::substr($b, 13, 3)) >> 1);
/** @var int $b6 */
$b6 = 2097151 & (self::load_4(self::substr($b, 15, 4)) >> 6);
/** @var int $b7 */
$b7 = 2097151 & (self::load_3(self::substr($b, 18, 3)) >> 3);
/** @var int $b8 */
$b8 = 2097151 & self::load_3(self::substr($b, 21, 3));
/** @var int $b9 */
$b9 = 2097151 & (self::load_4(self::substr($b, 23, 4)) >> 5);
/** @var int $b10 */
$b10 = 2097151 & (self::load_3(self::substr($b, 26, 3)) >> 2);
/** @var int $b11 */
$b11 = (self::load_4(self::substr($b, 28, 4)) >> 7);
/** @var int $c0 */
$c0 = 2097151 & self::load_3(self::substr($c, 0, 3));
/** @var int $c1 */
$c1 = 2097151 & (self::load_4(self::substr($c, 2, 4)) >> 5);
/** @var int $c2 */
$c2 = 2097151 & (self::load_3(self::substr($c, 5, 3)) >> 2);
/** @var int $c3 */
$c3 = 2097151 & (self::load_4(self::substr($c, 7, 4)) >> 7);
/** @var int $c4 */
$c4 = 2097151 & (self::load_4(self::substr($c, 10, 4)) >> 4);
/** @var int $c5 */
$c5 = 2097151 & (self::load_3(self::substr($c, 13, 3)) >> 1);
/** @var int $c6 */
$c6 = 2097151 & (self::load_4(self::substr($c, 15, 4)) >> 6);
/** @var int $c7 */
$c7 = 2097151 & (self::load_3(self::substr($c, 18, 3)) >> 3);
/** @var int $c8 */
$c8 = 2097151 & self::load_3(self::substr($c, 21, 3));
/** @var int $c9 */
$c9 = 2097151 & (self::load_4(self::substr($c, 23, 4)) >> 5);
/** @var int $c10 */
$c10 = 2097151 & (self::load_3(self::substr($c, 26, 3)) >> 2);
/** @var int $c11 */
$c11 = (self::load_4(self::substr($c, 28, 4)) >> 7);
/* Can't really avoid the pyramid here: */
$s0 = $c0 + self::mul($a0, $b0, 24);
$s1 = $c1 + self::mul($a0, $b1, 24) + self::mul($a1, $b0, 24);
$s2 = $c2 + self::mul($a0, $b2, 24) + self::mul($a1, $b1, 24) + self::mul($a2, $b0, 24);
$s3 = $c3 + self::mul($a0, $b3, 24) + self::mul($a1, $b2, 24) + self::mul($a2, $b1, 24) + self::mul($a3, $b0, 24);
$s4 = $c4 + self::mul($a0, $b4, 24) + self::mul($a1, $b3, 24) + self::mul($a2, $b2, 24) + self::mul($a3, $b1, 24) +
self::mul($a4, $b0, 24);
$s5 = $c5 + self::mul($a0, $b5, 24) + self::mul($a1, $b4, 24) + self::mul($a2, $b3, 24) + self::mul($a3, $b2, 24) +
self::mul($a4, $b1, 24) + self::mul($a5, $b0, 24);
$s6 = $c6 + self::mul($a0, $b6, 24) + self::mul($a1, $b5, 24) + self::mul($a2, $b4, 24) + self::mul($a3, $b3, 24) +
self::mul($a4, $b2, 24) + self::mul($a5, $b1, 24) + self::mul($a6, $b0, 24);
$s7 = $c7 + self::mul($a0, $b7, 24) + self::mul($a1, $b6, 24) + self::mul($a2, $b5, 24) + self::mul($a3, $b4, 24) +
self::mul($a4, $b3, 24) + self::mul($a5, $b2, 24) + self::mul($a6, $b1, 24) + self::mul($a7, $b0, 24);
$s8 = $c8 + self::mul($a0, $b8, 24) + self::mul($a1, $b7, 24) + self::mul($a2, $b6, 24) + self::mul($a3, $b5, 24) +
self::mul($a4, $b4, 24) + self::mul($a5, $b3, 24) + self::mul($a6, $b2, 24) + self::mul($a7, $b1, 24) +
self::mul($a8, $b0, 24);
$s9 = $c9 + self::mul($a0, $b9, 24) + self::mul($a1, $b8, 24) + self::mul($a2, $b7, 24) + self::mul($a3, $b6, 24) +
self::mul($a4, $b5, 24) + self::mul($a5, $b4, 24) + self::mul($a6, $b3, 24) + self::mul($a7, $b2, 24) +
self::mul($a8, $b1, 24) + self::mul($a9, $b0, 24);
$s10 = $c10 + self::mul($a0, $b10, 24) + self::mul($a1, $b9, 24) + self::mul($a2, $b8, 24) + self::mul($a3, $b7, 24) +
self::mul($a4, $b6, 24) + self::mul($a5, $b5, 24) + self::mul($a6, $b4, 24) + self::mul($a7, $b3, 24) +
self::mul($a8, $b2, 24) + self::mul($a9, $b1, 24) + self::mul($a10, $b0, 24);
$s11 = $c11 + self::mul($a0, $b11, 24) + self::mul($a1, $b10, 24) + self::mul($a2, $b9, 24) + self::mul($a3, $b8, 24) +
self::mul($a4, $b7, 24) + self::mul($a5, $b6, 24) + self::mul($a6, $b5, 24) + self::mul($a7, $b4, 24) +
self::mul($a8, $b3, 24) + self::mul($a9, $b2, 24) + self::mul($a10, $b1, 24) + self::mul($a11, $b0, 24);
$s12 = self::mul($a1, $b11, 24) + self::mul($a2, $b10, 24) + self::mul($a3, $b9, 24) + self::mul($a4, $b8, 24) +
self::mul($a5, $b7, 24) + self::mul($a6, $b6, 24) + self::mul($a7, $b5, 24) + self::mul($a8, $b4, 24) +
self::mul($a9, $b3, 24) + self::mul($a10, $b2, 24) + self::mul($a11, $b1, 24);
$s13 = self::mul($a2, $b11, 24) + self::mul($a3, $b10, 24) + self::mul($a4, $b9, 24) + self::mul($a5, $b8, 24) +
self::mul($a6, $b7, 24) + self::mul($a7, $b6, 24) + self::mul($a8, $b5, 24) + self::mul($a9, $b4, 24) +
self::mul($a10, $b3, 24) + self::mul($a11, $b2, 24);
$s14 = self::mul($a3, $b11, 24) + self::mul($a4, $b10, 24) + self::mul($a5, $b9, 24) + self::mul($a6, $b8, 24) +
self::mul($a7, $b7, 24) + self::mul($a8, $b6, 24) + self::mul($a9, $b5, 24) + self::mul($a10, $b4, 24) +
self::mul($a11, $b3, 24);
$s15 = self::mul($a4, $b11, 24) + self::mul($a5, $b10, 24) + self::mul($a6, $b9, 24) + self::mul($a7, $b8, 24) +
self::mul($a8, $b7, 24) + self::mul($a9, $b6, 24) + self::mul($a10, $b5, 24) + self::mul($a11, $b4, 24);
$s16 = self::mul($a5, $b11, 24) + self::mul($a6, $b10, 24) + self::mul($a7, $b9, 24) + self::mul($a8, $b8, 24) +
self::mul($a9, $b7, 24) + self::mul($a10, $b6, 24) + self::mul($a11, $b5, 24);
$s17 = self::mul($a6, $b11, 24) + self::mul($a7, $b10, 24) + self::mul($a8, $b9, 24) + self::mul($a9, $b8, 24) +
self::mul($a10, $b7, 24) + self::mul($a11, $b6, 24);
$s18 = self::mul($a7, $b11, 24) + self::mul($a8, $b10, 24) + self::mul($a9, $b9, 24) + self::mul($a10, $b8, 24) +
self::mul($a11, $b7, 24);
$s19 = self::mul($a8, $b11, 24) + self::mul($a9, $b10, 24) + self::mul($a10, $b9, 24) + self::mul($a11, $b8, 24);
$s20 = self::mul($a9, $b11, 24) + self::mul($a10, $b10, 24) + self::mul($a11, $b9, 24);
$s21 = self::mul($a10, $b11, 24) + self::mul($a11, $b10, 24);
$s22 = self::mul($a11, $b11, 24);
$s23 = 0;
/** @var int $carry0 */
$carry0 = ($s0 + (1 << 20)) >> 21;
$s1 += $carry0;
$s0 -= $carry0 << 21;
/** @var int $carry2 */
$carry2 = ($s2 + (1 << 20)) >> 21;
$s3 += $carry2;
$s2 -= $carry2 << 21;
/** @var int $carry4 */
$carry4 = ($s4 + (1 << 20)) >> 21;
$s5 += $carry4;
$s4 -= $carry4 << 21;
/** @var int $carry6 */
$carry6 = ($s6 + (1 << 20)) >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
/** @var int $carry8 */
$carry8 = ($s8 + (1 << 20)) >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
/** @var int $carry10 */
$carry10 = ($s10 + (1 << 20)) >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
/** @var int $carry12 */
$carry12 = ($s12 + (1 << 20)) >> 21;
$s13 += $carry12;
$s12 -= $carry12 << 21;
/** @var int $carry14 */
$carry14 = ($s14 + (1 << 20)) >> 21;
$s15 += $carry14;
$s14 -= $carry14 << 21;
/** @var int $carry16 */
$carry16 = ($s16 + (1 << 20)) >> 21;
$s17 += $carry16;
$s16 -= $carry16 << 21;
/** @var int $carry18 */
$carry18 = ($s18 + (1 << 20)) >> 21;
$s19 += $carry18;
$s18 -= $carry18 << 21;
/** @var int $carry20 */
$carry20 = ($s20 + (1 << 20)) >> 21;
$s21 += $carry20;
$s20 -= $carry20 << 21;
/** @var int $carry22 */
$carry22 = ($s22 + (1 << 20)) >> 21;
$s23 += $carry22;
$s22 -= $carry22 << 21;
/** @var int $carry1 */
$carry1 = ($s1 + (1 << 20)) >> 21;
$s2 += $carry1;
$s1 -= $carry1 << 21;
/** @var int $carry3 */
$carry3 = ($s3 + (1 << 20)) >> 21;
$s4 += $carry3;
$s3 -= $carry3 << 21;
/** @var int $carry5 */
$carry5 = ($s5 + (1 << 20)) >> 21;
$s6 += $carry5;
$s5 -= $carry5 << 21;
/** @var int $carry7 */
$carry7 = ($s7 + (1 << 20)) >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
/** @var int $carry9 */
$carry9 = ($s9 + (1 << 20)) >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
/** @var int $carry11 */
$carry11 = ($s11 + (1 << 20)) >> 21;
$s12 += $carry11;
$s11 -= $carry11 << 21;
/** @var int $carry13 */
$carry13 = ($s13 + (1 << 20)) >> 21;
$s14 += $carry13;
$s13 -= $carry13 << 21;
/** @var int $carry15 */
$carry15 = ($s15 + (1 << 20)) >> 21;
$s16 += $carry15;
$s15 -= $carry15 << 21;
/** @var int $carry17 */
$carry17 = ($s17 + (1 << 20)) >> 21;
$s18 += $carry17;
$s17 -= $carry17 << 21;
/** @var int $carry19 */
$carry19 = ($s19 + (1 << 20)) >> 21;
$s20 += $carry19;
$s19 -= $carry19 << 21;
/** @var int $carry21 */
$carry21 = ($s21 + (1 << 20)) >> 21;
$s22 += $carry21;
$s21 -= $carry21 << 21;
$s11 += self::mul($s23, 666643, 20);
$s12 += self::mul($s23, 470296, 19);
$s13 += self::mul($s23, 654183, 20);
$s14 -= self::mul($s23, 997805, 20);
$s15 += self::mul($s23, 136657, 18);
$s16 -= self::mul($s23, 683901, 20);
$s10 += self::mul($s22, 666643, 20);
$s11 += self::mul($s22, 470296, 19);
$s12 += self::mul($s22, 654183, 20);
$s13 -= self::mul($s22, 997805, 20);
$s14 += self::mul($s22, 136657, 18);
$s15 -= self::mul($s22, 683901, 20);
$s9 += self::mul($s21, 666643, 20);
$s10 += self::mul($s21, 470296, 19);
$s11 += self::mul($s21, 654183, 20);
$s12 -= self::mul($s21, 997805, 20);
$s13 += self::mul($s21, 136657, 18);
$s14 -= self::mul($s21, 683901, 20);
$s8 += self::mul($s20, 666643, 20);
$s9 += self::mul($s20, 470296, 19);
$s10 += self::mul($s20, 654183, 20);
$s11 -= self::mul($s20, 997805, 20);
$s12 += self::mul($s20, 136657, 18);
$s13 -= self::mul($s20, 683901, 20);
$s7 += self::mul($s19, 666643, 20);
$s8 += self::mul($s19, 470296, 19);
$s9 += self::mul($s19, 654183, 20);
$s10 -= self::mul($s19, 997805, 20);
$s11 += self::mul($s19, 136657, 18);
$s12 -= self::mul($s19, 683901, 20);
$s6 += self::mul($s18, 666643, 20);
$s7 += self::mul($s18, 470296, 19);
$s8 += self::mul($s18, 654183, 20);
$s9 -= self::mul($s18, 997805, 20);
$s10 += self::mul($s18, 136657, 18);
$s11 -= self::mul($s18, 683901, 20);
/** @var int $carry6 */
$carry6 = ($s6 + (1 << 20)) >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
/** @var int $carry8 */
$carry8 = ($s8 + (1 << 20)) >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
/** @var int $carry10 */
$carry10 = ($s10 + (1 << 20)) >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
/** @var int $carry12 */
$carry12 = ($s12 + (1 << 20)) >> 21;
$s13 += $carry12;
$s12 -= $carry12 << 21;
/** @var int $carry14 */
$carry14 = ($s14 + (1 << 20)) >> 21;
$s15 += $carry14;
$s14 -= $carry14 << 21;
/** @var int $carry16 */
$carry16 = ($s16 + (1 << 20)) >> 21;
$s17 += $carry16;
$s16 -= $carry16 << 21;
/** @var int $carry7 */
$carry7 = ($s7 + (1 << 20)) >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
/** @var int $carry9 */
$carry9 = ($s9 + (1 << 20)) >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
/** @var int $carry11 */
$carry11 = ($s11 + (1 << 20)) >> 21;
$s12 += $carry11;
$s11 -= $carry11 << 21;
/** @var int $carry13 */
$carry13 = ($s13 + (1 << 20)) >> 21;
$s14 += $carry13;
$s13 -= $carry13 << 21;
/** @var int $carry15 */
$carry15 = ($s15 + (1 << 20)) >> 21;
$s16 += $carry15;
$s15 -= $carry15 << 21;
$s5 += self::mul($s17, 666643, 20);
$s6 += self::mul($s17, 470296, 19);
$s7 += self::mul($s17, 654183, 20);
$s8 -= self::mul($s17, 997805, 20);
$s9 += self::mul($s17, 136657, 18);
$s10 -= self::mul($s17, 683901, 20);
$s4 += self::mul($s16, 666643, 20);
$s5 += self::mul($s16, 470296, 19);
$s6 += self::mul($s16, 654183, 20);
$s7 -= self::mul($s16, 997805, 20);
$s8 += self::mul($s16, 136657, 18);
$s9 -= self::mul($s16, 683901, 20);
$s3 += self::mul($s15, 666643, 20);
$s4 += self::mul($s15, 470296, 19);
$s5 += self::mul($s15, 654183, 20);
$s6 -= self::mul($s15, 997805, 20);
$s7 += self::mul($s15, 136657, 18);
$s8 -= self::mul($s15, 683901, 20);
$s2 += self::mul($s14, 666643, 20);
$s3 += self::mul($s14, 470296, 19);
$s4 += self::mul($s14, 654183, 20);
$s5 -= self::mul($s14, 997805, 20);
$s6 += self::mul($s14, 136657, 18);
$s7 -= self::mul($s14, 683901, 20);
$s1 += self::mul($s13, 666643, 20);
$s2 += self::mul($s13, 470296, 19);
$s3 += self::mul($s13, 654183, 20);
$s4 -= self::mul($s13, 997805, 20);
$s5 += self::mul($s13, 136657, 18);
$s6 -= self::mul($s13, 683901, 20);
$s0 += self::mul($s12, 666643, 20);
$s1 += self::mul($s12, 470296, 19);
$s2 += self::mul($s12, 654183, 20);
$s3 -= self::mul($s12, 997805, 20);
$s4 += self::mul($s12, 136657, 18);
$s5 -= self::mul($s12, 683901, 20);
$s12 = 0;
/** @var int $carry0 */
$carry0 = ($s0 + (1 << 20)) >> 21;
$s1 += $carry0;
$s0 -= $carry0 << 21;
/** @var int $carry2 */
$carry2 = ($s2 + (1 << 20)) >> 21;
$s3 += $carry2;
$s2 -= $carry2 << 21;
/** @var int $carry4 */
$carry4 = ($s4 + (1 << 20)) >> 21;
$s5 += $carry4;
$s4 -= $carry4 << 21;
/** @var int $carry6 */
$carry6 = ($s6 + (1 << 20)) >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
/** @var int $carry8 */
$carry8 = ($s8 + (1 << 20)) >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
/** @var int $carry10 */
$carry10 = ($s10 + (1 << 20)) >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
/** @var int $carry1 */
$carry1 = ($s1 + (1 << 20)) >> 21;
$s2 += $carry1;
$s1 -= $carry1 << 21;
/** @var int $carry3 */
$carry3 = ($s3 + (1 << 20)) >> 21;
$s4 += $carry3;
$s3 -= $carry3 << 21;
/** @var int $carry5 */
$carry5 = ($s5 + (1 << 20)) >> 21;
$s6 += $carry5;
$s5 -= $carry5 << 21;
/** @var int $carry7 */
$carry7 = ($s7 + (1 << 20)) >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
/** @var int $carry9 */
$carry9 = ($s9 + (1 << 20)) >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
/** @var int $carry11 */
$carry11 = ($s11 + (1 << 20)) >> 21;
$s12 += $carry11;
$s11 -= $carry11 << 21;
$s0 += self::mul($s12, 666643, 20);
$s1 += self::mul($s12, 470296, 19);
$s2 += self::mul($s12, 654183, 20);
$s3 -= self::mul($s12, 997805, 20);
$s4 += self::mul($s12, 136657, 18);
$s5 -= self::mul($s12, 683901, 20);
$s12 = 0;
/** @var int $carry0 */
$carry0 = $s0 >> 21;
$s1 += $carry0;
$s0 -= $carry0 << 21;
/** @var int $carry1 */
$carry1 = $s1 >> 21;
$s2 += $carry1;
$s1 -= $carry1 << 21;
/** @var int $carry2 */
$carry2 = $s2 >> 21;
$s3 += $carry2;
$s2 -= $carry2 << 21;
/** @var int $carry3 */
$carry3 = $s3 >> 21;
$s4 += $carry3;
$s3 -= $carry3 << 21;
/** @var int $carry4 */
$carry4 = $s4 >> 21;
$s5 += $carry4;
$s4 -= $carry4 << 21;
/** @var int $carry5 */
$carry5 = $s5 >> 21;
$s6 += $carry5;
$s5 -= $carry5 << 21;
/** @var int $carry6 */
$carry6 = $s6 >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
/** @var int $carry7 */
$carry7 = $s7 >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
/** @var int $carry8 */
$carry8 = $s8 >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
/** @var int $carry9 */
$carry9 = $s9 >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
/** @var int $carry10 */
$carry10 = $s10 >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
/** @var int $carry11 */
$carry11 = $s11 >> 21;
$s12 += $carry11;
$s11 -= $carry11 << 21;
$s0 += self::mul($s12, 666643, 20);
$s1 += self::mul($s12, 470296, 19);
$s2 += self::mul($s12, 654183, 20);
$s3 -= self::mul($s12, 997805, 20);
$s4 += self::mul($s12, 136657, 18);
$s5 -= self::mul($s12, 683901, 20);
/** @var int $carry0 */
$carry0 = $s0 >> 21;
$s1 += $carry0;
$s0 -= $carry0 << 21;
/** @var int $carry1 */
$carry1 = $s1 >> 21;
$s2 += $carry1;
$s1 -= $carry1 << 21;
/** @var int $carry2 */
$carry2 = $s2 >> 21;
$s3 += $carry2;
$s2 -= $carry2 << 21;
/** @var int $carry3 */
$carry3 = $s3 >> 21;
$s4 += $carry3;
$s3 -= $carry3 << 21;
/** @var int $carry4 */
$carry4 = $s4 >> 21;
$s5 += $carry4;
$s4 -= $carry4 << 21;
/** @var int $carry5 */
$carry5 = $s5 >> 21;
$s6 += $carry5;
$s5 -= $carry5 << 21;
/** @var int $carry6 */
$carry6 = $s6 >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
/** @var int $carry7 */
$carry7 = $s7 >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
/** @var int $carry8 */
$carry8 = $s8 >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
/** @var int $carry9 */
$carry9 = $s9 >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
/** @var int $carry10 */
$carry10 = $s10 >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
/**
* @var array
*/
$arr = array(
(int) (0xff & ($s0 >> 0)),
(int) (0xff & ($s0 >> 8)),
(int) (0xff & (($s0 >> 16) | $s1 << 5)),
(int) (0xff & ($s1 >> 3)),
(int) (0xff & ($s1 >> 11)),
(int) (0xff & (($s1 >> 19) | $s2 << 2)),
(int) (0xff & ($s2 >> 6)),
(int) (0xff & (($s2 >> 14) | $s3 << 7)),
(int) (0xff & ($s3 >> 1)),
(int) (0xff & ($s3 >> 9)),
(int) (0xff & (($s3 >> 17) | $s4 << 4)),
(int) (0xff & ($s4 >> 4)),
(int) (0xff & ($s4 >> 12)),
(int) (0xff & (($s4 >> 20) | $s5 << 1)),
(int) (0xff & ($s5 >> 7)),
(int) (0xff & (($s5 >> 15) | $s6 << 6)),
(int) (0xff & ($s6 >> 2)),
(int) (0xff & ($s6 >> 10)),
(int) (0xff & (($s6 >> 18) | $s7 << 3)),
(int) (0xff & ($s7 >> 5)),
(int) (0xff & ($s7 >> 13)),
(int) (0xff & ($s8 >> 0)),
(int) (0xff & ($s8 >> 8)),
(int) (0xff & (($s8 >> 16) | $s9 << 5)),
(int) (0xff & ($s9 >> 3)),
(int) (0xff & ($s9 >> 11)),
(int) (0xff & (($s9 >> 19) | $s10 << 2)),
(int) (0xff & ($s10 >> 6)),
(int) (0xff & (($s10 >> 14) | $s11 << 7)),
(int) (0xff & ($s11 >> 1)),
(int) (0xff & ($s11 >> 9)),
0xff & ($s11 >> 17)
);
return self::intArrayToString($arr);
}
/**
* @internal You should not use this directly from another application
*
* @param string $s
* @return string
* @throws TypeError
*/
public static function sc_reduce($s)
{
/** @var int $s0 */
$s0 = 2097151 & self::load_3(self::substr($s, 0, 3));
/** @var int $s1 */
$s1 = 2097151 & (self::load_4(self::substr($s, 2, 4)) >> 5);
/** @var int $s2 */
$s2 = 2097151 & (self::load_3(self::substr($s, 5, 3)) >> 2);
/** @var int $s3 */
$s3 = 2097151 & (self::load_4(self::substr($s, 7, 4)) >> 7);
/** @var int $s4 */
$s4 = 2097151 & (self::load_4(self::substr($s, 10, 4)) >> 4);
/** @var int $s5 */
$s5 = 2097151 & (self::load_3(self::substr($s, 13, 3)) >> 1);
/** @var int $s6 */
$s6 = 2097151 & (self::load_4(self::substr($s, 15, 4)) >> 6);
/** @var int $s7 */
$s7 = 2097151 & (self::load_3(self::substr($s, 18, 4)) >> 3);
/** @var int $s8 */
$s8 = 2097151 & self::load_3(self::substr($s, 21, 3));
/** @var int $s9 */
$s9 = 2097151 & (self::load_4(self::substr($s, 23, 4)) >> 5);
/** @var int $s10 */
$s10 = 2097151 & (self::load_3(self::substr($s, 26, 3)) >> 2);
/** @var int $s11 */
$s11 = 2097151 & (self::load_4(self::substr($s, 28, 4)) >> 7);
/** @var int $s12 */
$s12 = 2097151 & (self::load_4(self::substr($s, 31, 4)) >> 4);
/** @var int $s13 */
$s13 = 2097151 & (self::load_3(self::substr($s, 34, 3)) >> 1);
/** @var int $s14 */
$s14 = 2097151 & (self::load_4(self::substr($s, 36, 4)) >> 6);
/** @var int $s15 */
$s15 = 2097151 & (self::load_3(self::substr($s, 39, 4)) >> 3);
/** @var int $s16 */
$s16 = 2097151 & self::load_3(self::substr($s, 42, 3));
/** @var int $s17 */
$s17 = 2097151 & (self::load_4(self::substr($s, 44, 4)) >> 5);
/** @var int $s18 */
$s18 = 2097151 & (self::load_3(self::substr($s, 47, 3)) >> 2);
/** @var int $s19 */
$s19 = 2097151 & (self::load_4(self::substr($s, 49, 4)) >> 7);
/** @var int $s20 */
$s20 = 2097151 & (self::load_4(self::substr($s, 52, 4)) >> 4);
/** @var int $s21 */
$s21 = 2097151 & (self::load_3(self::substr($s, 55, 3)) >> 1);
/** @var int $s22 */
$s22 = 2097151 & (self::load_4(self::substr($s, 57, 4)) >> 6);
/** @var int $s23 */
$s23 = (self::load_4(self::substr($s, 60, 4)) >> 3);
$s11 += self::mul($s23, 666643, 20);
$s12 += self::mul($s23, 470296, 19);
$s13 += self::mul($s23, 654183, 20);
$s14 -= self::mul($s23, 997805, 20);
$s15 += self::mul($s23, 136657, 18);
$s16 -= self::mul($s23, 683901, 20);
$s10 += self::mul($s22, 666643, 20);
$s11 += self::mul($s22, 470296, 19);
$s12 += self::mul($s22, 654183, 20);
$s13 -= self::mul($s22, 997805, 20);
$s14 += self::mul($s22, 136657, 18);
$s15 -= self::mul($s22, 683901, 20);
$s9 += self::mul($s21, 666643, 20);
$s10 += self::mul($s21, 470296, 19);
$s11 += self::mul($s21, 654183, 20);
$s12 -= self::mul($s21, 997805, 20);
$s13 += self::mul($s21, 136657, 18);
$s14 -= self::mul($s21, 683901, 20);
$s8 += self::mul($s20, 666643, 20);
$s9 += self::mul($s20, 470296, 19);
$s10 += self::mul($s20, 654183, 20);
$s11 -= self::mul($s20, 997805, 20);
$s12 += self::mul($s20, 136657, 18);
$s13 -= self::mul($s20, 683901, 20);
$s7 += self::mul($s19, 666643, 20);
$s8 += self::mul($s19, 470296, 19);
$s9 += self::mul($s19, 654183, 20);
$s10 -= self::mul($s19, 997805, 20);
$s11 += self::mul($s19, 136657, 18);
$s12 -= self::mul($s19, 683901, 20);
$s6 += self::mul($s18, 666643, 20);
$s7 += self::mul($s18, 470296, 19);
$s8 += self::mul($s18, 654183, 20);
$s9 -= self::mul($s18, 997805, 20);
$s10 += self::mul($s18, 136657, 18);
$s11 -= self::mul($s18, 683901, 20);
/** @var int $carry6 */
$carry6 = ($s6 + (1 << 20)) >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
/** @var int $carry8 */
$carry8 = ($s8 + (1 << 20)) >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
/** @var int $carry10 */
$carry10 = ($s10 + (1 << 20)) >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
/** @var int $carry12 */
$carry12 = ($s12 + (1 << 20)) >> 21;
$s13 += $carry12;
$s12 -= $carry12 << 21;
/** @var int $carry14 */
$carry14 = ($s14 + (1 << 20)) >> 21;
$s15 += $carry14;
$s14 -= $carry14 << 21;
/** @var int $carry16 */
$carry16 = ($s16 + (1 << 20)) >> 21;
$s17 += $carry16;
$s16 -= $carry16 << 21;
/** @var int $carry7 */
$carry7 = ($s7 + (1 << 20)) >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
/** @var int $carry9 */
$carry9 = ($s9 + (1 << 20)) >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
/** @var int $carry11 */
$carry11 = ($s11 + (1 << 20)) >> 21;
$s12 += $carry11;
$s11 -= $carry11 << 21;
/** @var int $carry13 */
$carry13 = ($s13 + (1 << 20)) >> 21;
$s14 += $carry13;
$s13 -= $carry13 << 21;
/** @var int $carry15 */
$carry15 = ($s15 + (1 << 20)) >> 21;
$s16 += $carry15;
$s15 -= $carry15 << 21;
$s5 += self::mul($s17, 666643, 20);
$s6 += self::mul($s17, 470296, 19);
$s7 += self::mul($s17, 654183, 20);
$s8 -= self::mul($s17, 997805, 20);
$s9 += self::mul($s17, 136657, 18);
$s10 -= self::mul($s17, 683901, 20);
$s4 += self::mul($s16, 666643, 20);
$s5 += self::mul($s16, 470296, 19);
$s6 += self::mul($s16, 654183, 20);
$s7 -= self::mul($s16, 997805, 20);
$s8 += self::mul($s16, 136657, 18);
$s9 -= self::mul($s16, 683901, 20);
$s3 += self::mul($s15, 666643, 20);
$s4 += self::mul($s15, 470296, 19);
$s5 += self::mul($s15, 654183, 20);
$s6 -= self::mul($s15, 997805, 20);
$s7 += self::mul($s15, 136657, 18);
$s8 -= self::mul($s15, 683901, 20);
$s2 += self::mul($s14, 666643, 20);
$s3 += self::mul($s14, 470296, 19);
$s4 += self::mul($s14, 654183, 20);
$s5 -= self::mul($s14, 997805, 20);
$s6 += self::mul($s14, 136657, 18);
$s7 -= self::mul($s14, 683901, 20);
$s1 += self::mul($s13, 666643, 20);
$s2 += self::mul($s13, 470296, 19);
$s3 += self::mul($s13, 654183, 20);
$s4 -= self::mul($s13, 997805, 20);
$s5 += self::mul($s13, 136657, 18);
$s6 -= self::mul($s13, 683901, 20);
$s0 += self::mul($s12, 666643, 20);
$s1 += self::mul($s12, 470296, 19);
$s2 += self::mul($s12, 654183, 20);
$s3 -= self::mul($s12, 997805, 20);
$s4 += self::mul($s12, 136657, 18);
$s5 -= self::mul($s12, 683901, 20);
$s12 = 0;
/** @var int $carry0 */
$carry0 = ($s0 + (1 << 20)) >> 21;
$s1 += $carry0;
$s0 -= $carry0 << 21;
/** @var int $carry2 */
$carry2 = ($s2 + (1 << 20)) >> 21;
$s3 += $carry2;
$s2 -= $carry2 << 21;
/** @var int $carry4 */
$carry4 = ($s4 + (1 << 20)) >> 21;
$s5 += $carry4;
$s4 -= $carry4 << 21;
/** @var int $carry6 */
$carry6 = ($s6 + (1 << 20)) >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
/** @var int $carry8 */
$carry8 = ($s8 + (1 << 20)) >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
/** @var int $carry10 */
$carry10 = ($s10 + (1 << 20)) >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
/** @var int $carry1 */
$carry1 = ($s1 + (1 << 20)) >> 21;
$s2 += $carry1;
$s1 -= $carry1 << 21;
/** @var int $carry3 */
$carry3 = ($s3 + (1 << 20)) >> 21;
$s4 += $carry3;
$s3 -= $carry3 << 21;
/** @var int $carry5 */
$carry5 = ($s5 + (1 << 20)) >> 21;
$s6 += $carry5;
$s5 -= $carry5 << 21;
/** @var int $carry7 */
$carry7 = ($s7 + (1 << 20)) >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
/** @var int $carry9 */
$carry9 = ($s9 + (1 << 20)) >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
/** @var int $carry11 */
$carry11 = ($s11 + (1 << 20)) >> 21;
$s12 += $carry11;
$s11 -= $carry11 << 21;
$s0 += self::mul($s12, 666643, 20);
$s1 += self::mul($s12, 470296, 19);
$s2 += self::mul($s12, 654183, 20);
$s3 -= self::mul($s12, 997805, 20);
$s4 += self::mul($s12, 136657, 18);
$s5 -= self::mul($s12, 683901, 20);
$s12 = 0;
/** @var int $carry0 */
$carry0 = $s0 >> 21;
$s1 += $carry0;
$s0 -= $carry0 << 21;
/** @var int $carry1 */
$carry1 = $s1 >> 21;
$s2 += $carry1;
$s1 -= $carry1 << 21;
/** @var int $carry2 */
$carry2 = $s2 >> 21;
$s3 += $carry2;
$s2 -= $carry2 << 21;
/** @var int $carry3 */
$carry3 = $s3 >> 21;
$s4 += $carry3;
$s3 -= $carry3 << 21;
/** @var int $carry4 */
$carry4 = $s4 >> 21;
$s5 += $carry4;
$s4 -= $carry4 << 21;
/** @var int $carry5 */
$carry5 = $s5 >> 21;
$s6 += $carry5;
$s5 -= $carry5 << 21;
/** @var int $carry6 */
$carry6 = $s6 >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
/** @var int $carry7 */
$carry7 = $s7 >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
/** @var int $carry8 */
$carry8 = $s8 >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
/** @var int $carry9 */
$carry9 = $s9 >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
/** @var int $carry10 */
$carry10 = $s10 >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
/** @var int $carry11 */
$carry11 = $s11 >> 21;
$s12 += $carry11;
$s11 -= $carry11 << 21;
$s0 += self::mul($s12, 666643, 20);
$s1 += self::mul($s12, 470296, 19);
$s2 += self::mul($s12, 654183, 20);
$s3 -= self::mul($s12, 997805, 20);
$s4 += self::mul($s12, 136657, 18);
$s5 -= self::mul($s12, 683901, 20);
/** @var int $carry0 */
$carry0 = $s0 >> 21;
$s1 += $carry0;
$s0 -= $carry0 << 21;
/** @var int $carry1 */
$carry1 = $s1 >> 21;
$s2 += $carry1;
$s1 -= $carry1 << 21;
/** @var int $carry2 */
$carry2 = $s2 >> 21;
$s3 += $carry2;
$s2 -= $carry2 << 21;
/** @var int $carry3 */
$carry3 = $s3 >> 21;
$s4 += $carry3;
$s3 -= $carry3 << 21;
/** @var int $carry4 */
$carry4 = $s4 >> 21;
$s5 += $carry4;
$s4 -= $carry4 << 21;
/** @var int $carry5 */
$carry5 = $s5 >> 21;
$s6 += $carry5;
$s5 -= $carry5 << 21;
/** @var int $carry6 */
$carry6 = $s6 >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
/** @var int $carry7 */
$carry7 = $s7 >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
/** @var int $carry8 */
$carry8 = $s8 >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
/** @var int $carry9 */
$carry9 = $s9 >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
/** @var int $carry10 */
$carry10 = $s10 >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
/**
* @var array
*/
$arr = array(
(int) ($s0 >> 0),
(int) ($s0 >> 8),
(int) (($s0 >> 16) | $s1 << 5),
(int) ($s1 >> 3),
(int) ($s1 >> 11),
(int) (($s1 >> 19) | $s2 << 2),
(int) ($s2 >> 6),
(int) (($s2 >> 14) | $s3 << 7),
(int) ($s3 >> 1),
(int) ($s3 >> 9),
(int) (($s3 >> 17) | $s4 << 4),
(int) ($s4 >> 4),
(int) ($s4 >> 12),
(int) (($s4 >> 20) | $s5 << 1),
(int) ($s5 >> 7),
(int) (($s5 >> 15) | $s6 << 6),
(int) ($s6 >> 2),
(int) ($s6 >> 10),
(int) (($s6 >> 18) | $s7 << 3),
(int) ($s7 >> 5),
(int) ($s7 >> 13),
(int) ($s8 >> 0),
(int) ($s8 >> 8),
(int) (($s8 >> 16) | $s9 << 5),
(int) ($s9 >> 3),
(int) ($s9 >> 11),
(int) (($s9 >> 19) | $s10 << 2),
(int) ($s10 >> 6),
(int) (($s10 >> 14) | $s11 << 7),
(int) ($s11 >> 1),
(int) ($s11 >> 9),
(int) $s11 >> 17
);
return self::intArrayToString($arr);
}
/**
* multiply by the order of the main subgroup l = 2^252+27742317777372353535851937790883648493
*
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P3
*/
public static function ge_mul_l(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A)
{
/** @var array $aslide */
$aslide = array(
13, 0, 0, 0, 0, -1, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, -5, 0, 0, 0,
0, 0, 0, -3, 0, 0, 0, 0, -13, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 3, 0,
0, 0, 0, -13, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0,
0, 0, 11, 0, 0, 0, 0, -13, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, 0, -1,
0, 0, 0, 0, 3, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0,
0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 7, 0, 0, 0, 0, 5, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
);
/** @var array $Ai size 8 */
$Ai = array();
# ge_p3_to_cached(&Ai[0], A);
$Ai[0] = self::ge_p3_to_cached($A);
# ge_p3_dbl(&t, A);
$t = self::ge_p3_dbl($A);
# ge_p1p1_to_p3(&A2, &t);
$A2 = self::ge_p1p1_to_p3($t);
for ($i = 1; $i < 8; ++$i) {
# ge_add(&t, &A2, &Ai[0]);
$t = self::ge_add($A2, $Ai[$i - 1]);
# ge_p1p1_to_p3(&u, &t);
$u = self::ge_p1p1_to_p3($t);
# ge_p3_to_cached(&Ai[i], &u);
$Ai[$i] = self::ge_p3_to_cached($u);
}
$r = self::ge_p3_0();
for ($i = 252; $i >= 0; --$i) {
$t = self::ge_p3_dbl($r);
if ($aslide[$i] > 0) {
# ge_p1p1_to_p3(&u, &t);
$u = self::ge_p1p1_to_p3($t);
# ge_add(&t, &u, &Ai[aslide[i] / 2]);
$t = self::ge_add($u, $Ai[(int)($aslide[$i] / 2)]);
} elseif ($aslide[$i] < 0) {
# ge_p1p1_to_p3(&u, &t);
$u = self::ge_p1p1_to_p3($t);
# ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]);
$t = self::ge_sub($u, $Ai[(int)(-$aslide[$i] / 2)]);
}
}
# ge_p1p1_to_p3(r, &t);
return self::ge_p1p1_to_p3($t);
}
/**
* @param string $a
* @param string $b
* @return string
*/
public static function sc25519_mul($a, $b)
{
// int64_t a0 = 2097151 & load_3(a);
// int64_t a1 = 2097151 & (load_4(a + 2) >> 5);
// int64_t a2 = 2097151 & (load_3(a + 5) >> 2);
// int64_t a3 = 2097151 & (load_4(a + 7) >> 7);
// int64_t a4 = 2097151 & (load_4(a + 10) >> 4);
// int64_t a5 = 2097151 & (load_3(a + 13) >> 1);
// int64_t a6 = 2097151 & (load_4(a + 15) >> 6);
// int64_t a7 = 2097151 & (load_3(a + 18) >> 3);
// int64_t a8 = 2097151 & load_3(a + 21);
// int64_t a9 = 2097151 & (load_4(a + 23) >> 5);
// int64_t a10 = 2097151 & (load_3(a + 26) >> 2);
// int64_t a11 = (load_4(a + 28) >> 7);
$a0 = 2097151 & self::load_3(self::substr($a, 0, 3));
$a1 = 2097151 & (self::load_4(self::substr($a, 2, 4)) >> 5);
$a2 = 2097151 & (self::load_3(self::substr($a, 5, 3)) >> 2);
$a3 = 2097151 & (self::load_4(self::substr($a, 7, 4)) >> 7);
$a4 = 2097151 & (self::load_4(self::substr($a, 10, 4)) >> 4);
$a5 = 2097151 & (self::load_3(self::substr($a, 13, 3)) >> 1);
$a6 = 2097151 & (self::load_4(self::substr($a, 15, 4)) >> 6);
$a7 = 2097151 & (self::load_3(self::substr($a, 18, 3)) >> 3);
$a8 = 2097151 & self::load_3(self::substr($a, 21, 3));
$a9 = 2097151 & (self::load_4(self::substr($a, 23, 4)) >> 5);
$a10 = 2097151 & (self::load_3(self::substr($a, 26, 3)) >> 2);
$a11 = (self::load_4(self::substr($a, 28, 4)) >> 7);
// int64_t b0 = 2097151 & load_3(b);
// int64_t b1 = 2097151 & (load_4(b + 2) >> 5);
// int64_t b2 = 2097151 & (load_3(b + 5) >> 2);
// int64_t b3 = 2097151 & (load_4(b + 7) >> 7);
// int64_t b4 = 2097151 & (load_4(b + 10) >> 4);
// int64_t b5 = 2097151 & (load_3(b + 13) >> 1);
// int64_t b6 = 2097151 & (load_4(b + 15) >> 6);
// int64_t b7 = 2097151 & (load_3(b + 18) >> 3);
// int64_t b8 = 2097151 & load_3(b + 21);
// int64_t b9 = 2097151 & (load_4(b + 23) >> 5);
// int64_t b10 = 2097151 & (load_3(b + 26) >> 2);
// int64_t b11 = (load_4(b + 28) >> 7);
$b0 = 2097151 & self::load_3(self::substr($b, 0, 3));
$b1 = 2097151 & (self::load_4(self::substr($b, 2, 4)) >> 5);
$b2 = 2097151 & (self::load_3(self::substr($b, 5, 3)) >> 2);
$b3 = 2097151 & (self::load_4(self::substr($b, 7, 4)) >> 7);
$b4 = 2097151 & (self::load_4(self::substr($b, 10, 4)) >> 4);
$b5 = 2097151 & (self::load_3(self::substr($b, 13, 3)) >> 1);
$b6 = 2097151 & (self::load_4(self::substr($b, 15, 4)) >> 6);
$b7 = 2097151 & (self::load_3(self::substr($b, 18, 3)) >> 3);
$b8 = 2097151 & self::load_3(self::substr($b, 21, 3));
$b9 = 2097151 & (self::load_4(self::substr($b, 23, 4)) >> 5);
$b10 = 2097151 & (self::load_3(self::substr($b, 26, 3)) >> 2);
$b11 = (self::load_4(self::substr($b, 28, 4)) >> 7);
// s0 = a0 * b0;
// s1 = a0 * b1 + a1 * b0;
// s2 = a0 * b2 + a1 * b1 + a2 * b0;
// s3 = a0 * b3 + a1 * b2 + a2 * b1 + a3 * b0;
// s4 = a0 * b4 + a1 * b3 + a2 * b2 + a3 * b1 + a4 * b0;
// s5 = a0 * b5 + a1 * b4 + a2 * b3 + a3 * b2 + a4 * b1 + a5 * b0;
// s6 = a0 * b6 + a1 * b5 + a2 * b4 + a3 * b3 + a4 * b2 + a5 * b1 + a6 * b0;
// s7 = a0 * b7 + a1 * b6 + a2 * b5 + a3 * b4 + a4 * b3 + a5 * b2 +
// a6 * b1 + a7 * b0;
// s8 = a0 * b8 + a1 * b7 + a2 * b6 + a3 * b5 + a4 * b4 + a5 * b3 +
// a6 * b2 + a7 * b1 + a8 * b0;
// s9 = a0 * b9 + a1 * b8 + a2 * b7 + a3 * b6 + a4 * b5 + a5 * b4 +
// a6 * b3 + a7 * b2 + a8 * b1 + a9 * b0;
// s10 = a0 * b10 + a1 * b9 + a2 * b8 + a3 * b7 + a4 * b6 + a5 * b5 +
// a6 * b4 + a7 * b3 + a8 * b2 + a9 * b1 + a10 * b0;
// s11 = a0 * b11 + a1 * b10 + a2 * b9 + a3 * b8 + a4 * b7 + a5 * b6 +
// a6 * b5 + a7 * b4 + a8 * b3 + a9 * b2 + a10 * b1 + a11 * b0;
// s12 = a1 * b11 + a2 * b10 + a3 * b9 + a4 * b8 + a5 * b7 + a6 * b6 +
// a7 * b5 + a8 * b4 + a9 * b3 + a10 * b2 + a11 * b1;
// s13 = a2 * b11 + a3 * b10 + a4 * b9 + a5 * b8 + a6 * b7 + a7 * b6 +
// a8 * b5 + a9 * b4 + a10 * b3 + a11 * b2;
// s14 = a3 * b11 + a4 * b10 + a5 * b9 + a6 * b8 + a7 * b7 + a8 * b6 +
// a9 * b5 + a10 * b4 + a11 * b3;
// s15 = a4 * b11 + a5 * b10 + a6 * b9 + a7 * b8 + a8 * b7 + a9 * b6 +
// a10 * b5 + a11 * b4;
// s16 =
// a5 * b11 + a6 * b10 + a7 * b9 + a8 * b8 + a9 * b7 + a10 * b6 + a11 * b5;
// s17 = a6 * b11 + a7 * b10 + a8 * b9 + a9 * b8 + a10 * b7 + a11 * b6;
// s18 = a7 * b11 + a8 * b10 + a9 * b9 + a10 * b8 + a11 * b7;
// s19 = a8 * b11 + a9 * b10 + a10 * b9 + a11 * b8;
// s20 = a9 * b11 + a10 * b10 + a11 * b9;
// s21 = a10 * b11 + a11 * b10;
// s22 = a11 * b11;
// s23 = 0;
$s0 = self::mul($a0, $b0, 22);
$s1 = self::mul($a0, $b1, 22) + self::mul($a1, $b0, 22);
$s2 = self::mul($a0, $b2, 22) + self::mul($a1, $b1, 22) + self::mul($a2, $b0, 22);
$s3 = self::mul($a0, $b3, 22) + self::mul($a1, $b2, 22) + self::mul($a2, $b1, 22) + self::mul($a3, $b0, 22);
$s4 = self::mul($a0, $b4, 22) + self::mul($a1, $b3, 22) + self::mul($a2, $b2, 22) + self::mul($a3, $b1, 22) +
self::mul($a4, $b0, 22);
$s5 = self::mul($a0, $b5, 22) + self::mul($a1, $b4, 22) + self::mul($a2, $b3, 22) + self::mul($a3, $b2, 22) +
self::mul($a4, $b1, 22) + self::mul($a5, $b0, 22);
$s6 = self::mul($a0, $b6, 22) + self::mul($a1, $b5, 22) + self::mul($a2, $b4, 22) + self::mul($a3, $b3, 22) +
self::mul($a4, $b2, 22) + self::mul($a5, $b1, 22) + self::mul($a6, $b0, 22);
$s7 = self::mul($a0, $b7, 22) + self::mul($a1, $b6, 22) + self::mul($a2, $b5, 22) + self::mul($a3, $b4, 22) +
self::mul($a4, $b3, 22) + self::mul($a5, $b2, 22) + self::mul($a6, $b1, 22) + self::mul($a7, $b0, 22);
$s8 = self::mul($a0, $b8, 22) + self::mul($a1, $b7, 22) + self::mul($a2, $b6, 22) + self::mul($a3, $b5, 22) +
self::mul($a4, $b4, 22) + self::mul($a5, $b3, 22) + self::mul($a6, $b2, 22) + self::mul($a7, $b1, 22) +
self::mul($a8, $b0, 22);
$s9 = self::mul($a0, $b9, 22) + self::mul($a1, $b8, 22) + self::mul($a2, $b7, 22) + self::mul($a3, $b6, 22) +
self::mul($a4, $b5, 22) + self::mul($a5, $b4, 22) + self::mul($a6, $b3, 22) + self::mul($a7, $b2, 22) +
self::mul($a8, $b1, 22) + self::mul($a9, $b0, 22);
$s10 = self::mul($a0, $b10, 22) + self::mul($a1, $b9, 22) + self::mul($a2, $b8, 22) + self::mul($a3, $b7, 22) +
self::mul($a4, $b6, 22) + self::mul($a5, $b5, 22) + self::mul($a6, $b4, 22) + self::mul($a7, $b3, 22) +
self::mul($a8, $b2, 22) + self::mul($a9, $b1, 22) + self::mul($a10, $b0, 22);
$s11 = self::mul($a0, $b11, 22) + self::mul($a1, $b10, 22) + self::mul($a2, $b9, 22) + self::mul($a3, $b8, 22) +
self::mul($a4, $b7, 22) + self::mul($a5, $b6, 22) + self::mul($a6, $b5, 22) + self::mul($a7, $b4, 22) +
self::mul($a8, $b3, 22) + self::mul($a9, $b2, 22) + self::mul($a10, $b1, 22) + self::mul($a11, $b0, 22);
$s12 = self::mul($a1, $b11, 22) + self::mul($a2, $b10, 22) + self::mul($a3, $b9, 22) + self::mul($a4, $b8, 22) +
self::mul($a5, $b7, 22) + self::mul($a6, $b6, 22) + self::mul($a7, $b5, 22) + self::mul($a8, $b4, 22) +
self::mul($a9, $b3, 22) + self::mul($a10, $b2, 22) + self::mul($a11, $b1, 22);
$s13 = self::mul($a2, $b11, 22) + self::mul($a3, $b10, 22) + self::mul($a4, $b9, 22) + self::mul($a5, $b8, 22) +
self::mul($a6, $b7, 22) + self::mul($a7, $b6, 22) + self::mul($a8, $b5, 22) + self::mul($a9, $b4, 22) +
self::mul($a10, $b3, 22) + self::mul($a11, $b2, 22);
$s14 = self::mul($a3, $b11, 22) + self::mul($a4, $b10, 22) + self::mul($a5, $b9, 22) + self::mul($a6, $b8, 22) +
self::mul($a7, $b7, 22) + self::mul($a8, $b6, 22) + self::mul($a9, $b5, 22) + self::mul($a10, $b4, 22) +
self::mul($a11, $b3, 22);
$s15 = self::mul($a4, $b11, 22) + self::mul($a5, $b10, 22) + self::mul($a6, $b9, 22) + self::mul($a7, $b8, 22) +
self::mul($a8, $b7, 22) + self::mul($a9, $b6, 22) + self::mul($a10, $b5, 22) + self::mul($a11, $b4, 22);
$s16 =
self::mul($a5, $b11, 22) + self::mul($a6, $b10, 22) + self::mul($a7, $b9, 22) + self::mul($a8, $b8, 22) +
self::mul($a9, $b7, 22) + self::mul($a10, $b6, 22) + self::mul($a11, $b5, 22);
$s17 = self::mul($a6, $b11, 22) + self::mul($a7, $b10, 22) + self::mul($a8, $b9, 22) + self::mul($a9, $b8, 22) +
self::mul($a10, $b7, 22) + self::mul($a11, $b6, 22);
$s18 = self::mul($a7, $b11, 22) + self::mul($a8, $b10, 22) + self::mul($a9, $b9, 22) + self::mul($a10, $b8, 22)
+ self::mul($a11, $b7, 22);
$s19 = self::mul($a8, $b11, 22) + self::mul($a9, $b10, 22) + self::mul($a10, $b9, 22) +
self::mul($a11, $b8, 22);
$s20 = self::mul($a9, $b11, 22) + self::mul($a10, $b10, 22) + self::mul($a11, $b9, 22);
$s21 = self::mul($a10, $b11, 22) + self::mul($a11, $b10, 22);
$s22 = self::mul($a11, $b11, 22);
$s23 = 0;
// carry0 = (s0 + (int64_t) (1L << 20)) >> 21;
// s1 += carry0;
// s0 -= carry0 * ((uint64_t) 1L << 21);
$carry0 = ($s0 + (1 << 20)) >> 21;
$s1 += $carry0;
$s0 -= $carry0 << 21;
// carry2 = (s2 + (int64_t) (1L << 20)) >> 21;
// s3 += carry2;
// s2 -= carry2 * ((uint64_t) 1L << 21);
$carry2 = ($s2 + (1 << 20)) >> 21;
$s3 += $carry2;
$s2 -= $carry2 << 21;
// carry4 = (s4 + (int64_t) (1L << 20)) >> 21;
// s5 += carry4;
// s4 -= carry4 * ((uint64_t) 1L << 21);
$carry4 = ($s4 + (1 << 20)) >> 21;
$s5 += $carry4;
$s4 -= $carry4 << 21;
// carry6 = (s6 + (int64_t) (1L << 20)) >> 21;
// s7 += carry6;
// s6 -= carry6 * ((uint64_t) 1L << 21);
$carry6 = ($s6 + (1 << 20)) >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
// carry8 = (s8 + (int64_t) (1L << 20)) >> 21;
// s9 += carry8;
// s8 -= carry8 * ((uint64_t) 1L << 21);
$carry8 = ($s8 + (1 << 20)) >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
// carry10 = (s10 + (int64_t) (1L << 20)) >> 21;
// s11 += carry10;
// s10 -= carry10 * ((uint64_t) 1L << 21);
$carry10 = ($s10 + (1 << 20)) >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
// carry12 = (s12 + (int64_t) (1L << 20)) >> 21;
// s13 += carry12;
// s12 -= carry12 * ((uint64_t) 1L << 21);
$carry12 = ($s12 + (1 << 20)) >> 21;
$s13 += $carry12;
$s12 -= $carry12 << 21;
// carry14 = (s14 + (int64_t) (1L << 20)) >> 21;
// s15 += carry14;
// s14 -= carry14 * ((uint64_t) 1L << 21);
$carry14 = ($s14 + (1 << 20)) >> 21;
$s15 += $carry14;
$s14 -= $carry14 << 21;
// carry16 = (s16 + (int64_t) (1L << 20)) >> 21;
// s17 += carry16;
// s16 -= carry16 * ((uint64_t) 1L << 21);
$carry16 = ($s16 + (1 << 20)) >> 21;
$s17 += $carry16;
$s16 -= $carry16 << 21;
// carry18 = (s18 + (int64_t) (1L << 20)) >> 21;
// s19 += carry18;
// s18 -= carry18 * ((uint64_t) 1L << 21);
$carry18 = ($s18 + (1 << 20)) >> 21;
$s19 += $carry18;
$s18 -= $carry18 << 21;
// carry20 = (s20 + (int64_t) (1L << 20)) >> 21;
// s21 += carry20;
// s20 -= carry20 * ((uint64_t) 1L << 21);
$carry20 = ($s20 + (1 << 20)) >> 21;
$s21 += $carry20;
$s20 -= $carry20 << 21;
// carry22 = (s22 + (int64_t) (1L << 20)) >> 21;
// s23 += carry22;
// s22 -= carry22 * ((uint64_t) 1L << 21);
$carry22 = ($s22 + (1 << 20)) >> 21;
$s23 += $carry22;
$s22 -= $carry22 << 21;
// carry1 = (s1 + (int64_t) (1L << 20)) >> 21;
// s2 += carry1;
// s1 -= carry1 * ((uint64_t) 1L << 21);
$carry1 = ($s1 + (1 << 20)) >> 21;
$s2 += $carry1;
$s1 -= $carry1 << 21;
// carry3 = (s3 + (int64_t) (1L << 20)) >> 21;
// s4 += carry3;
// s3 -= carry3 * ((uint64_t) 1L << 21);
$carry3 = ($s3 + (1 << 20)) >> 21;
$s4 += $carry3;
$s3 -= $carry3 << 21;
// carry5 = (s5 + (int64_t) (1L << 20)) >> 21;
// s6 += carry5;
// s5 -= carry5 * ((uint64_t) 1L << 21);
$carry5 = ($s5 + (1 << 20)) >> 21;
$s6 += $carry5;
$s5 -= $carry5 << 21;
// carry7 = (s7 + (int64_t) (1L << 20)) >> 21;
// s8 += carry7;
// s7 -= carry7 * ((uint64_t) 1L << 21);
$carry7 = ($s7 + (1 << 20)) >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
// carry9 = (s9 + (int64_t) (1L << 20)) >> 21;
// s10 += carry9;
// s9 -= carry9 * ((uint64_t) 1L << 21);
$carry9 = ($s9 + (1 << 20)) >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
// carry11 = (s11 + (int64_t) (1L << 20)) >> 21;
// s12 += carry11;
// s11 -= carry11 * ((uint64_t) 1L << 21);
$carry11 = ($s11 + (1 << 20)) >> 21;
$s12 += $carry11;
$s11 -= $carry11 << 21;
// carry13 = (s13 + (int64_t) (1L << 20)) >> 21;
// s14 += carry13;
// s13 -= carry13 * ((uint64_t) 1L << 21);
$carry13 = ($s13 + (1 << 20)) >> 21;
$s14 += $carry13;
$s13 -= $carry13 << 21;
// carry15 = (s15 + (int64_t) (1L << 20)) >> 21;
// s16 += carry15;
// s15 -= carry15 * ((uint64_t) 1L << 21);
$carry15 = ($s15 + (1 << 20)) >> 21;
$s16 += $carry15;
$s15 -= $carry15 << 21;
// carry17 = (s17 + (int64_t) (1L << 20)) >> 21;
// s18 += carry17;
// s17 -= carry17 * ((uint64_t) 1L << 21);
$carry17 = ($s17 + (1 << 20)) >> 21;
$s18 += $carry17;
$s17 -= $carry17 << 21;
// carry19 = (s19 + (int64_t) (1L << 20)) >> 21;
// s20 += carry19;
// s19 -= carry19 * ((uint64_t) 1L << 21);
$carry19 = ($s19 + (1 << 20)) >> 21;
$s20 += $carry19;
$s19 -= $carry19 << 21;
// carry21 = (s21 + (int64_t) (1L << 20)) >> 21;
// s22 += carry21;
// s21 -= carry21 * ((uint64_t) 1L << 21);
$carry21 = ($s21 + (1 << 20)) >> 21;
$s22 += $carry21;
$s21 -= $carry21 << 21;
// s11 += s23 * 666643;
// s12 += s23 * 470296;
// s13 += s23 * 654183;
// s14 -= s23 * 997805;
// s15 += s23 * 136657;
// s16 -= s23 * 683901;
$s11 += self::mul($s23, 666643, 20);
$s12 += self::mul($s23, 470296, 19);
$s13 += self::mul($s23, 654183, 20);
$s14 -= self::mul($s23, 997805, 20);
$s15 += self::mul($s23, 136657, 18);
$s16 -= self::mul($s23, 683901, 20);
// s10 += s22 * 666643;
// s11 += s22 * 470296;
// s12 += s22 * 654183;
// s13 -= s22 * 997805;
// s14 += s22 * 136657;
// s15 -= s22 * 683901;
$s10 += self::mul($s22, 666643, 20);
$s11 += self::mul($s22, 470296, 19);
$s12 += self::mul($s22, 654183, 20);
$s13 -= self::mul($s22, 997805, 20);
$s14 += self::mul($s22, 136657, 18);
$s15 -= self::mul($s22, 683901, 20);
// s9 += s21 * 666643;
// s10 += s21 * 470296;
// s11 += s21 * 654183;
// s12 -= s21 * 997805;
// s13 += s21 * 136657;
// s14 -= s21 * 683901;
$s9 += self::mul($s21, 666643, 20);
$s10 += self::mul($s21, 470296, 19);
$s11 += self::mul($s21, 654183, 20);
$s12 -= self::mul($s21, 997805, 20);
$s13 += self::mul($s21, 136657, 18);
$s14 -= self::mul($s21, 683901, 20);
// s8 += s20 * 666643;
// s9 += s20 * 470296;
// s10 += s20 * 654183;
// s11 -= s20 * 997805;
// s12 += s20 * 136657;
// s13 -= s20 * 683901;
$s8 += self::mul($s20, 666643, 20);
$s9 += self::mul($s20, 470296, 19);
$s10 += self::mul($s20, 654183, 20);
$s11 -= self::mul($s20, 997805, 20);
$s12 += self::mul($s20, 136657, 18);
$s13 -= self::mul($s20, 683901, 20);
// s7 += s19 * 666643;
// s8 += s19 * 470296;
// s9 += s19 * 654183;
// s10 -= s19 * 997805;
// s11 += s19 * 136657;
// s12 -= s19 * 683901;
$s7 += self::mul($s19, 666643, 20);
$s8 += self::mul($s19, 470296, 19);
$s9 += self::mul($s19, 654183, 20);
$s10 -= self::mul($s19, 997805, 20);
$s11 += self::mul($s19, 136657, 18);
$s12 -= self::mul($s19, 683901, 20);
// s6 += s18 * 666643;
// s7 += s18 * 470296;
// s8 += s18 * 654183;
// s9 -= s18 * 997805;
// s10 += s18 * 136657;
// s11 -= s18 * 683901;
$s6 += self::mul($s18, 666643, 20);
$s7 += self::mul($s18, 470296, 19);
$s8 += self::mul($s18, 654183, 20);
$s9 -= self::mul($s18, 997805, 20);
$s10 += self::mul($s18, 136657, 18);
$s11 -= self::mul($s18, 683901, 20);
// carry6 = (s6 + (int64_t) (1L << 20)) >> 21;
// s7 += carry6;
// s6 -= carry6 * ((uint64_t) 1L << 21);
$carry6 = ($s6 + (1 << 20)) >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
// carry8 = (s8 + (int64_t) (1L << 20)) >> 21;
// s9 += carry8;
// s8 -= carry8 * ((uint64_t) 1L << 21);
$carry8 = ($s8 + (1 << 20)) >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
// carry10 = (s10 + (int64_t) (1L << 20)) >> 21;
// s11 += carry10;
// s10 -= carry10 * ((uint64_t) 1L << 21);
$carry10 = ($s10 + (1 << 20)) >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
// carry12 = (s12 + (int64_t) (1L << 20)) >> 21;
// s13 += carry12;
// s12 -= carry12 * ((uint64_t) 1L << 21);
$carry12 = ($s12 + (1 << 20)) >> 21;
$s13 += $carry12;
$s12 -= $carry12 << 21;
// carry14 = (s14 + (int64_t) (1L << 20)) >> 21;
// s15 += carry14;
// s14 -= carry14 * ((uint64_t) 1L << 21);
$carry14 = ($s14 + (1 << 20)) >> 21;
$s15 += $carry14;
$s14 -= $carry14 << 21;
// carry16 = (s16 + (int64_t) (1L << 20)) >> 21;
// s17 += carry16;
// s16 -= carry16 * ((uint64_t) 1L << 21);
$carry16 = ($s16 + (1 << 20)) >> 21;
$s17 += $carry16;
$s16 -= $carry16 << 21;
// carry7 = (s7 + (int64_t) (1L << 20)) >> 21;
// s8 += carry7;
// s7 -= carry7 * ((uint64_t) 1L << 21);
$carry7 = ($s7 + (1 << 20)) >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
// carry9 = (s9 + (int64_t) (1L << 20)) >> 21;
// s10 += carry9;
// s9 -= carry9 * ((uint64_t) 1L << 21);
$carry9 = ($s9 + (1 << 20)) >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
// carry11 = (s11 + (int64_t) (1L << 20)) >> 21;
// s12 += carry11;
// s11 -= carry11 * ((uint64_t) 1L << 21);
$carry11 = ($s11 + (1 << 20)) >> 21;
$s12 += $carry11;
$s11 -= $carry11 << 21;
// carry13 = (s13 + (int64_t) (1L << 20)) >> 21;
// s14 += carry13;
// s13 -= carry13 * ((uint64_t) 1L << 21);
$carry13 = ($s13 + (1 << 20)) >> 21;
$s14 += $carry13;
$s13 -= $carry13 << 21;
// carry15 = (s15 + (int64_t) (1L << 20)) >> 21;
// s16 += carry15;
// s15 -= carry15 * ((uint64_t) 1L << 21);
$carry15 = ($s15 + (1 << 20)) >> 21;
$s16 += $carry15;
$s15 -= $carry15 << 21;
// s5 += s17 * 666643;
// s6 += s17 * 470296;
// s7 += s17 * 654183;
// s8 -= s17 * 997805;
// s9 += s17 * 136657;
// s10 -= s17 * 683901;
$s5 += self::mul($s17, 666643, 20);
$s6 += self::mul($s17, 470296, 19);
$s7 += self::mul($s17, 654183, 20);
$s8 -= self::mul($s17, 997805, 20);
$s9 += self::mul($s17, 136657, 18);
$s10 -= self::mul($s17, 683901, 20);
// s4 += s16 * 666643;
// s5 += s16 * 470296;
// s6 += s16 * 654183;
// s7 -= s16 * 997805;
// s8 += s16 * 136657;
// s9 -= s16 * 683901;
$s4 += self::mul($s16, 666643, 20);
$s5 += self::mul($s16, 470296, 19);
$s6 += self::mul($s16, 654183, 20);
$s7 -= self::mul($s16, 997805, 20);
$s8 += self::mul($s16, 136657, 18);
$s9 -= self::mul($s16, 683901, 20);
// s3 += s15 * 666643;
// s4 += s15 * 470296;
// s5 += s15 * 654183;
// s6 -= s15 * 997805;
// s7 += s15 * 136657;
// s8 -= s15 * 683901;
$s3 += self::mul($s15, 666643, 20);
$s4 += self::mul($s15, 470296, 19);
$s5 += self::mul($s15, 654183, 20);
$s6 -= self::mul($s15, 997805, 20);
$s7 += self::mul($s15, 136657, 18);
$s8 -= self::mul($s15, 683901, 20);
// s2 += s14 * 666643;
// s3 += s14 * 470296;
// s4 += s14 * 654183;
// s5 -= s14 * 997805;
// s6 += s14 * 136657;
// s7 -= s14 * 683901;
$s2 += self::mul($s14, 666643, 20);
$s3 += self::mul($s14, 470296, 19);
$s4 += self::mul($s14, 654183, 20);
$s5 -= self::mul($s14, 997805, 20);
$s6 += self::mul($s14, 136657, 18);
$s7 -= self::mul($s14, 683901, 20);
// s1 += s13 * 666643;
// s2 += s13 * 470296;
// s3 += s13 * 654183;
// s4 -= s13 * 997805;
// s5 += s13 * 136657;
// s6 -= s13 * 683901;
$s1 += self::mul($s13, 666643, 20);
$s2 += self::mul($s13, 470296, 19);
$s3 += self::mul($s13, 654183, 20);
$s4 -= self::mul($s13, 997805, 20);
$s5 += self::mul($s13, 136657, 18);
$s6 -= self::mul($s13, 683901, 20);
// s0 += s12 * 666643;
// s1 += s12 * 470296;
// s2 += s12 * 654183;
// s3 -= s12 * 997805;
// s4 += s12 * 136657;
// s5 -= s12 * 683901;
// s12 = 0;
$s0 += self::mul($s12, 666643, 20);
$s1 += self::mul($s12, 470296, 19);
$s2 += self::mul($s12, 654183, 20);
$s3 -= self::mul($s12, 997805, 20);
$s4 += self::mul($s12, 136657, 18);
$s5 -= self::mul($s12, 683901, 20);
$s12 = 0;
// carry0 = (s0 + (int64_t) (1L << 20)) >> 21;
// s1 += carry0;
// s0 -= carry0 * ((uint64_t) 1L << 21);
$carry0 = ($s0 + (1 << 20)) >> 21;
$s1 += $carry0;
$s0 -= $carry0 << 21;
// carry2 = (s2 + (int64_t) (1L << 20)) >> 21;
// s3 += carry2;
// s2 -= carry2 * ((uint64_t) 1L << 21);
$carry2 = ($s2 + (1 << 20)) >> 21;
$s3 += $carry2;
$s2 -= $carry2 << 21;
// carry4 = (s4 + (int64_t) (1L << 20)) >> 21;
// s5 += carry4;
// s4 -= carry4 * ((uint64_t) 1L << 21);
$carry4 = ($s4 + (1 << 20)) >> 21;
$s5 += $carry4;
$s4 -= $carry4 << 21;
// carry6 = (s6 + (int64_t) (1L << 20)) >> 21;
// s7 += carry6;
// s6 -= carry6 * ((uint64_t) 1L << 21);
$carry6 = ($s6 + (1 << 20)) >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
// carry8 = (s8 + (int64_t) (1L << 20)) >> 21;
// s9 += carry8;
// s8 -= carry8 * ((uint64_t) 1L << 21);
$carry8 = ($s8 + (1 << 20)) >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
// carry10 = (s10 + (int64_t) (1L << 20)) >> 21;
// s11 += carry10;
// s10 -= carry10 * ((uint64_t) 1L << 21);
$carry10 = ($s10 + (1 << 20)) >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
// carry1 = (s1 + (int64_t) (1L << 20)) >> 21;
// s2 += carry1;
// s1 -= carry1 * ((uint64_t) 1L << 21);
$carry1 = ($s1 + (1 << 20)) >> 21;
$s2 += $carry1;
$s1 -= $carry1 << 21;
// carry3 = (s3 + (int64_t) (1L << 20)) >> 21;
// s4 += carry3;
// s3 -= carry3 * ((uint64_t) 1L << 21);
$carry3 = ($s3 + (1 << 20)) >> 21;
$s4 += $carry3;
$s3 -= $carry3 << 21;
// carry5 = (s5 + (int64_t) (1L << 20)) >> 21;
// s6 += carry5;
// s5 -= carry5 * ((uint64_t) 1L << 21);
$carry5 = ($s5 + (1 << 20)) >> 21;
$s6 += $carry5;
$s5 -= $carry5 << 21;
// carry7 = (s7 + (int64_t) (1L << 20)) >> 21;
// s8 += carry7;
// s7 -= carry7 * ((uint64_t) 1L << 21);
$carry7 = ($s7 + (1 << 20)) >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
// carry9 = (s9 + (int64_t) (1L << 20)) >> 21;
// s10 += carry9;
// s9 -= carry9 * ((uint64_t) 1L << 21);
$carry9 = ($s9 + (1 << 20)) >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
// carry11 = (s11 + (int64_t) (1L << 20)) >> 21;
// s12 += carry11;
// s11 -= carry11 * ((uint64_t) 1L << 21);
$carry11 = ($s11 + (1 << 20)) >> 21;
$s12 += $carry11;
$s11 -= $carry11 << 21;
// s0 += s12 * 666643;
// s1 += s12 * 470296;
// s2 += s12 * 654183;
// s3 -= s12 * 997805;
// s4 += s12 * 136657;
// s5 -= s12 * 683901;
// s12 = 0;
$s0 += self::mul($s12, 666643, 20);
$s1 += self::mul($s12, 470296, 19);
$s2 += self::mul($s12, 654183, 20);
$s3 -= self::mul($s12, 997805, 20);
$s4 += self::mul($s12, 136657, 18);
$s5 -= self::mul($s12, 683901, 20);
$s12 = 0;
// carry0 = s0 >> 21;
// s1 += carry0;
// s0 -= carry0 * ((uint64_t) 1L << 21);
$carry0 = $s0 >> 21;
$s1 += $carry0;
$s0 -= $carry0 << 21;
// carry1 = s1 >> 21;
// s2 += carry1;
// s1 -= carry1 * ((uint64_t) 1L << 21);
$carry1 = $s1 >> 21;
$s2 += $carry1;
$s1 -= $carry1 << 21;
// carry2 = s2 >> 21;
// s3 += carry2;
// s2 -= carry2 * ((uint64_t) 1L << 21);
$carry2 = $s2 >> 21;
$s3 += $carry2;
$s2 -= $carry2 << 21;
// carry3 = s3 >> 21;
// s4 += carry3;
// s3 -= carry3 * ((uint64_t) 1L << 21);
$carry3 = $s3 >> 21;
$s4 += $carry3;
$s3 -= $carry3 << 21;
// carry4 = s4 >> 21;
// s5 += carry4;
// s4 -= carry4 * ((uint64_t) 1L << 21);
$carry4 = $s4 >> 21;
$s5 += $carry4;
$s4 -= $carry4 << 21;
// carry5 = s5 >> 21;
// s6 += carry5;
// s5 -= carry5 * ((uint64_t) 1L << 21);
$carry5 = $s5 >> 21;
$s6 += $carry5;
$s5 -= $carry5 << 21;
// carry6 = s6 >> 21;
// s7 += carry6;
// s6 -= carry6 * ((uint64_t) 1L << 21);
$carry6 = $s6 >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
// carry7 = s7 >> 21;
// s8 += carry7;
// s7 -= carry7 * ((uint64_t) 1L << 21);
$carry7 = $s7 >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
// carry8 = s8 >> 21;
// s9 += carry8;
// s8 -= carry8 * ((uint64_t) 1L << 21);
$carry8 = $s8 >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
// carry9 = s9 >> 21;
// s10 += carry9;
// s9 -= carry9 * ((uint64_t) 1L << 21);
$carry9 = $s9 >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
// carry10 = s10 >> 21;
// s11 += carry10;
// s10 -= carry10 * ((uint64_t) 1L << 21);
$carry10 = $s10 >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
// carry11 = s11 >> 21;
// s12 += carry11;
// s11 -= carry11 * ((uint64_t) 1L << 21);
$carry11 = $s11 >> 21;
$s12 += $carry11;
$s11 -= $carry11 << 21;
// s0 += s12 * 666643;
// s1 += s12 * 470296;
// s2 += s12 * 654183;
// s3 -= s12 * 997805;
// s4 += s12 * 136657;
// s5 -= s12 * 683901;
$s0 += self::mul($s12, 666643, 20);
$s1 += self::mul($s12, 470296, 19);
$s2 += self::mul($s12, 654183, 20);
$s3 -= self::mul($s12, 997805, 20);
$s4 += self::mul($s12, 136657, 18);
$s5 -= self::mul($s12, 683901, 20);
// carry0 = s0 >> 21;
// s1 += carry0;
// s0 -= carry0 * ((uint64_t) 1L << 21);
$carry0 = $s0 >> 21;
$s1 += $carry0;
$s0 -= $carry0 << 21;
// carry1 = s1 >> 21;
// s2 += carry1;
// s1 -= carry1 * ((uint64_t) 1L << 21);
$carry1 = $s1 >> 21;
$s2 += $carry1;
$s1 -= $carry1 << 21;
// carry2 = s2 >> 21;
// s3 += carry2;
// s2 -= carry2 * ((uint64_t) 1L << 21);
$carry2 = $s2 >> 21;
$s3 += $carry2;
$s2 -= $carry2 << 21;
// carry3 = s3 >> 21;
// s4 += carry3;
// s3 -= carry3 * ((uint64_t) 1L << 21);
$carry3 = $s3 >> 21;
$s4 += $carry3;
$s3 -= $carry3 << 21;
// carry4 = s4 >> 21;
// s5 += carry4;
// s4 -= carry4 * ((uint64_t) 1L << 21);
$carry4 = $s4 >> 21;
$s5 += $carry4;
$s4 -= $carry4 << 21;
// carry5 = s5 >> 21;
// s6 += carry5;
// s5 -= carry5 * ((uint64_t) 1L << 21);
$carry5 = $s5 >> 21;
$s6 += $carry5;
$s5 -= $carry5 << 21;
// carry6 = s6 >> 21;
// s7 += carry6;
// s6 -= carry6 * ((uint64_t) 1L << 21);
$carry6 = $s6 >> 21;
$s7 += $carry6;
$s6 -= $carry6 << 21;
// carry7 = s7 >> 21;
// s8 += carry7;
// s7 -= carry7 * ((uint64_t) 1L << 21);
$carry7 = $s7 >> 21;
$s8 += $carry7;
$s7 -= $carry7 << 21;
// carry8 = s8 >> 21;
// s9 += carry8;
// s8 -= carry8 * ((uint64_t) 1L << 21);
$carry8 = $s8 >> 21;
$s9 += $carry8;
$s8 -= $carry8 << 21;
// carry9 = s9 >> 21;
// s10 += carry9;
// s9 -= carry9 * ((uint64_t) 1L << 21);
$carry9 = $s9 >> 21;
$s10 += $carry9;
$s9 -= $carry9 << 21;
// carry10 = s10 >> 21;
// s11 += carry10;
// s10 -= carry10 * ((uint64_t) 1L << 21);
$carry10 = $s10 >> 21;
$s11 += $carry10;
$s10 -= $carry10 << 21;
$s = array_fill(0, 32, 0);
// s[0] = s0 >> 0;
$s[0] = $s0 >> 0;
// s[1] = s0 >> 8;
$s[1] = $s0 >> 8;
// s[2] = (s0 >> 16) | (s1 * ((uint64_t) 1 << 5));
$s[2] = ($s0 >> 16) | ($s1 << 5);
// s[3] = s1 >> 3;
$s[3] = $s1 >> 3;
// s[4] = s1 >> 11;
$s[4] = $s1 >> 11;
// s[5] = (s1 >> 19) | (s2 * ((uint64_t) 1 << 2));
$s[5] = ($s1 >> 19) | ($s2 << 2);
// s[6] = s2 >> 6;
$s[6] = $s2 >> 6;
// s[7] = (s2 >> 14) | (s3 * ((uint64_t) 1 << 7));
$s[7] = ($s2 >> 14) | ($s3 << 7);
// s[8] = s3 >> 1;
$s[8] = $s3 >> 1;
// s[9] = s3 >> 9;
$s[9] = $s3 >> 9;
// s[10] = (s3 >> 17) | (s4 * ((uint64_t) 1 << 4));
$s[10] = ($s3 >> 17) | ($s4 << 4);
// s[11] = s4 >> 4;
$s[11] = $s4 >> 4;
// s[12] = s4 >> 12;
$s[12] = $s4 >> 12;
// s[13] = (s4 >> 20) | (s5 * ((uint64_t) 1 << 1));
$s[13] = ($s4 >> 20) | ($s5 << 1);
// s[14] = s5 >> 7;
$s[14] = $s5 >> 7;
// s[15] = (s5 >> 15) | (s6 * ((uint64_t) 1 << 6));
$s[15] = ($s5 >> 15) | ($s6 << 6);
// s[16] = s6 >> 2;
$s[16] = $s6 >> 2;
// s[17] = s6 >> 10;
$s[17] = $s6 >> 10;
// s[18] = (s6 >> 18) | (s7 * ((uint64_t) 1 << 3));
$s[18] = ($s6 >> 18) | ($s7 << 3);
// s[19] = s7 >> 5;
$s[19] = $s7 >> 5;
// s[20] = s7 >> 13;
$s[20] = $s7 >> 13;
// s[21] = s8 >> 0;
$s[21] = $s8 >> 0;
// s[22] = s8 >> 8;
$s[22] = $s8 >> 8;
// s[23] = (s8 >> 16) | (s9 * ((uint64_t) 1 << 5));
$s[23] = ($s8 >> 16) | ($s9 << 5);
// s[24] = s9 >> 3;
$s[24] = $s9 >> 3;
// s[25] = s9 >> 11;
$s[25] = $s9 >> 11;
// s[26] = (s9 >> 19) | (s10 * ((uint64_t) 1 << 2));
$s[26] = ($s9 >> 19) | ($s10 << 2);
// s[27] = s10 >> 6;
$s[27] = $s10 >> 6;
// s[28] = (s10 >> 14) | (s11 * ((uint64_t) 1 << 7));
$s[28] = ($s10 >> 14) | ($s11 << 7);
// s[29] = s11 >> 1;
$s[29] = $s11 >> 1;
// s[30] = s11 >> 9;
$s[30] = $s11 >> 9;
// s[31] = s11 >> 17;
$s[31] = $s11 >> 17;
return self::intArrayToString($s);
}
/**
* @param string $s
* @return string
*/
public static function sc25519_sq($s)
{
return self::sc25519_mul($s, $s);
}
/**
* @param string $s
* @param int $n
* @param string $a
* @return string
*/
public static function sc25519_sqmul($s, $n, $a)
{
for ($i = 0; $i < $n; ++$i) {
$s = self::sc25519_sq($s);
}
return self::sc25519_mul($s, $a);
}
/**
* @param string $s
* @return string
*/
public static function sc25519_invert($s)
{
$_10 = self::sc25519_sq($s);
$_11 = self::sc25519_mul($s, $_10);
$_100 = self::sc25519_mul($s, $_11);
$_1000 = self::sc25519_sq($_100);
$_1010 = self::sc25519_mul($_10, $_1000);
$_1011 = self::sc25519_mul($s, $_1010);
$_10000 = self::sc25519_sq($_1000);
$_10110 = self::sc25519_sq($_1011);
$_100000 = self::sc25519_mul($_1010, $_10110);
$_100110 = self::sc25519_mul($_10000, $_10110);
$_1000000 = self::sc25519_sq($_100000);
$_1010000 = self::sc25519_mul($_10000, $_1000000);
$_1010011 = self::sc25519_mul($_11, $_1010000);
$_1100011 = self::sc25519_mul($_10000, $_1010011);
$_1100111 = self::sc25519_mul($_100, $_1100011);
$_1101011 = self::sc25519_mul($_100, $_1100111);
$_10010011 = self::sc25519_mul($_1000000, $_1010011);
$_10010111 = self::sc25519_mul($_100, $_10010011);
$_10111101 = self::sc25519_mul($_100110, $_10010111);
$_11010011 = self::sc25519_mul($_10110, $_10111101);
$_11100111 = self::sc25519_mul($_1010000, $_10010111);
$_11101011 = self::sc25519_mul($_100, $_11100111);
$_11110101 = self::sc25519_mul($_1010, $_11101011);
$recip = self::sc25519_mul($_1011, $_11110101);
$recip = self::sc25519_sqmul($recip, 126, $_1010011);
$recip = self::sc25519_sqmul($recip, 9, $_10);
$recip = self::sc25519_mul($recip, $_11110101);
$recip = self::sc25519_sqmul($recip, 7, $_1100111);
$recip = self::sc25519_sqmul($recip, 9, $_11110101);
$recip = self::sc25519_sqmul($recip, 11, $_10111101);
$recip = self::sc25519_sqmul($recip, 8, $_11100111);
$recip = self::sc25519_sqmul($recip, 9, $_1101011);
$recip = self::sc25519_sqmul($recip, 6, $_1011);
$recip = self::sc25519_sqmul($recip, 14, $_10010011);
$recip = self::sc25519_sqmul($recip, 10, $_1100011);
$recip = self::sc25519_sqmul($recip, 9, $_10010111);
$recip = self::sc25519_sqmul($recip, 10, $_11110101);
$recip = self::sc25519_sqmul($recip, 8, $_11010011);
return self::sc25519_sqmul($recip, 8, $_11101011);
}
/**
* @param string $s
* @return string
*/
public static function clamp($s)
{
$s_ = self::stringToIntArray($s);
$s_[0] &= 248;
$s_[31] |= 64;
$s_[31] &= 128;
return self::intArrayToString($s_);
}
}
src/Core/Ed25519.php 0000644 00000041722 15120157171 0007700 0 ustar 00 X)) {
throw new SodiumException('Unexpected zero result');
}
# fe_1(one_minus_y);
# fe_sub(one_minus_y, one_minus_y, A.Y);
# fe_invert(one_minus_y, one_minus_y);
$one_minux_y = self::fe_invert(
self::fe_sub(
self::fe_1(),
$A->Y
)
);
# fe_1(x);
# fe_add(x, x, A.Y);
# fe_mul(x, x, one_minus_y);
$x = self::fe_mul(
self::fe_add(self::fe_1(), $A->Y),
$one_minux_y
);
# fe_tobytes(curve25519_pk, x);
return self::fe_tobytes($x);
}
/**
* @internal You should not use this directly from another application
*
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sk_to_pk($sk)
{
return self::ge_p3_tobytes(
self::ge_scalarmult_base(
self::substr($sk, 0, 32)
)
);
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sign($message, $sk)
{
/** @var string $signature */
$signature = self::sign_detached($message, $sk);
return $signature . $message;
}
/**
* @internal You should not use this directly from another application
*
* @param string $message A signed message
* @param string $pk Public key
* @return string Message (without signature)
* @throws SodiumException
* @throws TypeError
*/
public static function sign_open($message, $pk)
{
/** @var string $signature */
$signature = self::substr($message, 0, 64);
/** @var string $message */
$message = self::substr($message, 64);
if (self::verify_detached($signature, $message, $pk)) {
return $message;
}
throw new SodiumException('Invalid signature');
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sign_detached($message, $sk)
{
# crypto_hash_sha512(az, sk, 32);
$az = hash('sha512', self::substr($sk, 0, 32), true);
# az[0] &= 248;
# az[31] &= 63;
# az[31] |= 64;
$az[0] = self::intToChr(self::chrToInt($az[0]) & 248);
$az[31] = self::intToChr((self::chrToInt($az[31]) & 63) | 64);
# crypto_hash_sha512_init(&hs);
# crypto_hash_sha512_update(&hs, az + 32, 32);
# crypto_hash_sha512_update(&hs, m, mlen);
# crypto_hash_sha512_final(&hs, nonce);
$hs = hash_init('sha512');
hash_update($hs, self::substr($az, 32, 32));
hash_update($hs, $message);
$nonceHash = hash_final($hs, true);
# memmove(sig + 32, sk + 32, 32);
$pk = self::substr($sk, 32, 32);
# sc_reduce(nonce);
# ge_scalarmult_base(&R, nonce);
# ge_p3_tobytes(sig, &R);
$nonce = self::sc_reduce($nonceHash) . self::substr($nonceHash, 32);
$sig = self::ge_p3_tobytes(
self::ge_scalarmult_base($nonce)
);
# crypto_hash_sha512_init(&hs);
# crypto_hash_sha512_update(&hs, sig, 64);
# crypto_hash_sha512_update(&hs, m, mlen);
# crypto_hash_sha512_final(&hs, hram);
$hs = hash_init('sha512');
hash_update($hs, self::substr($sig, 0, 32));
hash_update($hs, self::substr($pk, 0, 32));
hash_update($hs, $message);
$hramHash = hash_final($hs, true);
# sc_reduce(hram);
# sc_muladd(sig + 32, hram, az, nonce);
$hram = self::sc_reduce($hramHash);
$sigAfter = self::sc_muladd($hram, $az, $nonce);
$sig = self::substr($sig, 0, 32) . self::substr($sigAfter, 0, 32);
try {
ParagonIE_Sodium_Compat::memzero($az);
} catch (SodiumException $ex) {
$az = null;
}
return $sig;
}
/**
* @internal You should not use this directly from another application
*
* @param string $sig
* @param string $message
* @param string $pk
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function verify_detached($sig, $message, $pk)
{
if (self::strlen($sig) < 64) {
throw new SodiumException('Signature is too short');
}
if ((self::chrToInt($sig[63]) & 240) && self::check_S_lt_L(self::substr($sig, 32, 32))) {
throw new SodiumException('S < L - Invalid signature');
}
if (self::small_order($sig)) {
throw new SodiumException('Signature is on too small of an order');
}
if ((self::chrToInt($sig[63]) & 224) !== 0) {
throw new SodiumException('Invalid signature');
}
$d = 0;
for ($i = 0; $i < 32; ++$i) {
$d |= self::chrToInt($pk[$i]);
}
if ($d === 0) {
throw new SodiumException('All zero public key');
}
/** @var bool The original value of ParagonIE_Sodium_Compat::$fastMult */
$orig = ParagonIE_Sodium_Compat::$fastMult;
// Set ParagonIE_Sodium_Compat::$fastMult to true to speed up verification.
ParagonIE_Sodium_Compat::$fastMult = true;
/** @var ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A */
$A = self::ge_frombytes_negate_vartime($pk);
/** @var string $hDigest */
$hDigest = hash(
'sha512',
self::substr($sig, 0, 32) .
self::substr($pk, 0, 32) .
$message,
true
);
/** @var string $h */
$h = self::sc_reduce($hDigest) . self::substr($hDigest, 32);
/** @var ParagonIE_Sodium_Core_Curve25519_Ge_P2 $R */
$R = self::ge_double_scalarmult_vartime(
$h,
$A,
self::substr($sig, 32)
);
/** @var string $rcheck */
$rcheck = self::ge_tobytes($R);
// Reset ParagonIE_Sodium_Compat::$fastMult to what it was before.
ParagonIE_Sodium_Compat::$fastMult = $orig;
return self::verify_32($rcheck, self::substr($sig, 0, 32));
}
/**
* @internal You should not use this directly from another application
*
* @param string $S
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function check_S_lt_L($S)
{
if (self::strlen($S) < 32) {
throw new SodiumException('Signature must be 32 bytes');
}
$L = array(
0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58,
0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10
);
$c = 0;
$n = 1;
$i = 32;
/** @var array $L */
do {
--$i;
$x = self::chrToInt($S[$i]);
$c |= (
(($x - $L[$i]) >> 8) & $n
);
$n &= (
(($x ^ $L[$i]) - 1) >> 8
);
} while ($i !== 0);
return $c === 0;
}
/**
* @param string $R
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function small_order($R)
{
/** @var array> $blocklist */
$blocklist = array(
/* 0 (order 4) */
array(
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
),
/* 1 (order 1) */
array(
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
),
/* 2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */
array(
0x26, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0,
0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0,
0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39,
0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x05
),
/* 55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */
array(
0xc7, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f,
0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f,
0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6,
0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0x7a
),
/* p-1 (order 2) */
array(
0x13, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0,
0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0,
0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39,
0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x85
),
/* p (order 4) */
array(
0xb4, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f,
0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f,
0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6,
0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0xfa
),
/* p+1 (order 1) */
array(
0xec, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
),
/* p+2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */
array(
0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
),
/* p+55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */
array(
0xee, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
),
/* 2p-1 (order 2) */
array(
0xd9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
),
/* 2p (order 4) */
array(
0xda, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
),
/* 2p+1 (order 1) */
array(
0xdb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
)
);
/** @var int $countBlocklist */
$countBlocklist = count($blocklist);
for ($i = 0; $i < $countBlocklist; ++$i) {
$c = 0;
for ($j = 0; $j < 32; ++$j) {
$c |= self::chrToInt($R[$j]) ^ (int) $blocklist[$i][$j];
}
if ($c === 0) {
return true;
}
}
return false;
}
/**
* @param string $s
* @return string
* @throws SodiumException
*/
public static function scalar_complement($s)
{
$t_ = self::L . str_repeat("\x00", 32);
sodium_increment($t_);
$s_ = $s . str_repeat("\x00", 32);
ParagonIE_Sodium_Compat::sub($t_, $s_);
return self::sc_reduce($t_);
}
/**
* @return string
* @throws SodiumException
*/
public static function scalar_random()
{
do {
$r = ParagonIE_Sodium_Compat::randombytes_buf(self::SCALAR_BYTES);
$r[self::SCALAR_BYTES - 1] = self::intToChr(
self::chrToInt($r[self::SCALAR_BYTES - 1]) & 0x1f
);
} while (
!self::check_S_lt_L($r) || ParagonIE_Sodium_Compat::is_zero($r)
);
return $r;
}
/**
* @param string $s
* @return string
* @throws SodiumException
*/
public static function scalar_negate($s)
{
$t_ = self::L . str_repeat("\x00", 32) ;
$s_ = $s . str_repeat("\x00", 32) ;
ParagonIE_Sodium_Compat::sub($t_, $s_);
return self::sc_reduce($t_);
}
/**
* @param string $a
* @param string $b
* @return string
* @throws SodiumException
*/
public static function scalar_add($a, $b)
{
$a_ = $a . str_repeat("\x00", 32);
$b_ = $b . str_repeat("\x00", 32);
ParagonIE_Sodium_Compat::add($a_, $b_);
return self::sc_reduce($a_);
}
/**
* @param string $x
* @param string $y
* @return string
* @throws SodiumException
*/
public static function scalar_sub($x, $y)
{
$yn = self::scalar_negate($y);
return self::scalar_add($x, $yn);
}
}
src/Core/HChaCha20.php 0000644 00000007437 15120157171 0010330 0 ustar 00 0; $i -= 2) {
$x4 ^= self::rotate($x0 + $x12, 7);
$x8 ^= self::rotate($x4 + $x0, 9);
$x12 ^= self::rotate($x8 + $x4, 13);
$x0 ^= self::rotate($x12 + $x8, 18);
$x9 ^= self::rotate($x5 + $x1, 7);
$x13 ^= self::rotate($x9 + $x5, 9);
$x1 ^= self::rotate($x13 + $x9, 13);
$x5 ^= self::rotate($x1 + $x13, 18);
$x14 ^= self::rotate($x10 + $x6, 7);
$x2 ^= self::rotate($x14 + $x10, 9);
$x6 ^= self::rotate($x2 + $x14, 13);
$x10 ^= self::rotate($x6 + $x2, 18);
$x3 ^= self::rotate($x15 + $x11, 7);
$x7 ^= self::rotate($x3 + $x15, 9);
$x11 ^= self::rotate($x7 + $x3, 13);
$x15 ^= self::rotate($x11 + $x7, 18);
$x1 ^= self::rotate($x0 + $x3, 7);
$x2 ^= self::rotate($x1 + $x0, 9);
$x3 ^= self::rotate($x2 + $x1, 13);
$x0 ^= self::rotate($x3 + $x2, 18);
$x6 ^= self::rotate($x5 + $x4, 7);
$x7 ^= self::rotate($x6 + $x5, 9);
$x4 ^= self::rotate($x7 + $x6, 13);
$x5 ^= self::rotate($x4 + $x7, 18);
$x11 ^= self::rotate($x10 + $x9, 7);
$x8 ^= self::rotate($x11 + $x10, 9);
$x9 ^= self::rotate($x8 + $x11, 13);
$x10 ^= self::rotate($x9 + $x8, 18);
$x12 ^= self::rotate($x15 + $x14, 7);
$x13 ^= self::rotate($x12 + $x15, 9);
$x14 ^= self::rotate($x13 + $x12, 13);
$x15 ^= self::rotate($x14 + $x13, 18);
}
return self::store32_le($x0) .
self::store32_le($x5) .
self::store32_le($x10) .
self::store32_le($x15) .
self::store32_le($x6) .
self::store32_le($x7) .
self::store32_le($x8) .
self::store32_le($x9);
}
}
src/Core/Poly1305/State.php 0000644 00000031160 15120157171 0011251 0 ustar 00
*/
protected $buffer = array();
/**
* @var bool
*/
protected $final = false;
/**
* @var array
*/
public $h;
/**
* @var int
*/
protected $leftover = 0;
/**
* @var int[]
*/
public $r;
/**
* @var int[]
*/
public $pad;
/**
* ParagonIE_Sodium_Core_Poly1305_State constructor.
*
* @internal You should not use this directly from another application
*
* @param string $key
* @throws InvalidArgumentException
* @throws TypeError
*/
public function __construct($key = '')
{
if (self::strlen($key) < 32) {
throw new InvalidArgumentException(
'Poly1305 requires a 32-byte key'
);
}
/* r &= 0xffffffc0ffffffc0ffffffc0fffffff */
$this->r = array(
(int) ((self::load_4(self::substr($key, 0, 4))) & 0x3ffffff),
(int) ((self::load_4(self::substr($key, 3, 4)) >> 2) & 0x3ffff03),
(int) ((self::load_4(self::substr($key, 6, 4)) >> 4) & 0x3ffc0ff),
(int) ((self::load_4(self::substr($key, 9, 4)) >> 6) & 0x3f03fff),
(int) ((self::load_4(self::substr($key, 12, 4)) >> 8) & 0x00fffff)
);
/* h = 0 */
$this->h = array(0, 0, 0, 0, 0);
/* save pad for later */
$this->pad = array(
self::load_4(self::substr($key, 16, 4)),
self::load_4(self::substr($key, 20, 4)),
self::load_4(self::substr($key, 24, 4)),
self::load_4(self::substr($key, 28, 4)),
);
$this->leftover = 0;
$this->final = false;
}
/**
* Zero internal buffer upon destruction
*/
public function __destruct()
{
$this->r[0] ^= $this->r[0];
$this->r[1] ^= $this->r[1];
$this->r[2] ^= $this->r[2];
$this->r[3] ^= $this->r[3];
$this->r[4] ^= $this->r[4];
$this->h[0] ^= $this->h[0];
$this->h[1] ^= $this->h[1];
$this->h[2] ^= $this->h[2];
$this->h[3] ^= $this->h[3];
$this->h[4] ^= $this->h[4];
$this->pad[0] ^= $this->pad[0];
$this->pad[1] ^= $this->pad[1];
$this->pad[2] ^= $this->pad[2];
$this->pad[3] ^= $this->pad[3];
$this->leftover = 0;
$this->final = true;
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @return self
* @throws SodiumException
* @throws TypeError
*/
public function update($message = '')
{
$bytes = self::strlen($message);
if ($bytes < 1) {
return $this;
}
/* handle leftover */
if ($this->leftover) {
$want = ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE - $this->leftover;
if ($want > $bytes) {
$want = $bytes;
}
for ($i = 0; $i < $want; ++$i) {
$mi = self::chrToInt($message[$i]);
$this->buffer[$this->leftover + $i] = $mi;
}
// We snip off the leftmost bytes.
$message = self::substr($message, $want);
$bytes = self::strlen($message);
$this->leftover += $want;
if ($this->leftover < ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) {
// We still don't have enough to run $this->blocks()
return $this;
}
$this->blocks(
self::intArrayToString($this->buffer),
ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE
);
$this->leftover = 0;
}
/* process full blocks */
if ($bytes >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) {
/** @var int $want */
$want = $bytes & ~(ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE - 1);
if ($want >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) {
$block = self::substr($message, 0, $want);
if (self::strlen($block) >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) {
$this->blocks($block, $want);
$message = self::substr($message, $want);
$bytes = self::strlen($message);
}
}
}
/* store leftover */
if ($bytes) {
for ($i = 0; $i < $bytes; ++$i) {
$mi = self::chrToInt($message[$i]);
$this->buffer[$this->leftover + $i] = $mi;
}
$this->leftover = (int) $this->leftover + $bytes;
}
return $this;
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @param int $bytes
* @return self
* @throws TypeError
*/
public function blocks($message, $bytes)
{
if (self::strlen($message) < 16) {
$message = str_pad($message, 16, "\x00", STR_PAD_RIGHT);
}
/** @var int $hibit */
$hibit = $this->final ? 0 : 1 << 24; /* 1 << 128 */
$r0 = (int) $this->r[0];
$r1 = (int) $this->r[1];
$r2 = (int) $this->r[2];
$r3 = (int) $this->r[3];
$r4 = (int) $this->r[4];
$s1 = self::mul($r1, 5, 3);
$s2 = self::mul($r2, 5, 3);
$s3 = self::mul($r3, 5, 3);
$s4 = self::mul($r4, 5, 3);
$h0 = $this->h[0];
$h1 = $this->h[1];
$h2 = $this->h[2];
$h3 = $this->h[3];
$h4 = $this->h[4];
while ($bytes >= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE) {
/* h += m[i] */
$h0 += self::load_4(self::substr($message, 0, 4)) & 0x3ffffff;
$h1 += (self::load_4(self::substr($message, 3, 4)) >> 2) & 0x3ffffff;
$h2 += (self::load_4(self::substr($message, 6, 4)) >> 4) & 0x3ffffff;
$h3 += (self::load_4(self::substr($message, 9, 4)) >> 6) & 0x3ffffff;
$h4 += (self::load_4(self::substr($message, 12, 4)) >> 8) | $hibit;
/* h *= r */
$d0 = (
self::mul($h0, $r0, 25) +
self::mul($s4, $h1, 26) +
self::mul($s3, $h2, 26) +
self::mul($s2, $h3, 26) +
self::mul($s1, $h4, 26)
);
$d1 = (
self::mul($h0, $r1, 25) +
self::mul($h1, $r0, 25) +
self::mul($s4, $h2, 26) +
self::mul($s3, $h3, 26) +
self::mul($s2, $h4, 26)
);
$d2 = (
self::mul($h0, $r2, 25) +
self::mul($h1, $r1, 25) +
self::mul($h2, $r0, 25) +
self::mul($s4, $h3, 26) +
self::mul($s3, $h4, 26)
);
$d3 = (
self::mul($h0, $r3, 25) +
self::mul($h1, $r2, 25) +
self::mul($h2, $r1, 25) +
self::mul($h3, $r0, 25) +
self::mul($s4, $h4, 26)
);
$d4 = (
self::mul($h0, $r4, 25) +
self::mul($h1, $r3, 25) +
self::mul($h2, $r2, 25) +
self::mul($h3, $r1, 25) +
self::mul($h4, $r0, 25)
);
/* (partial) h %= p */
/** @var int $c */
$c = $d0 >> 26;
/** @var int $h0 */
$h0 = $d0 & 0x3ffffff;
$d1 += $c;
/** @var int $c */
$c = $d1 >> 26;
/** @var int $h1 */
$h1 = $d1 & 0x3ffffff;
$d2 += $c;
/** @var int $c */
$c = $d2 >> 26;
/** @var int $h2 */
$h2 = $d2 & 0x3ffffff;
$d3 += $c;
/** @var int $c */
$c = $d3 >> 26;
/** @var int $h3 */
$h3 = $d3 & 0x3ffffff;
$d4 += $c;
/** @var int $c */
$c = $d4 >> 26;
/** @var int $h4 */
$h4 = $d4 & 0x3ffffff;
$h0 += (int) self::mul($c, 5, 3);
/** @var int $c */
$c = $h0 >> 26;
/** @var int $h0 */
$h0 &= 0x3ffffff;
$h1 += $c;
// Chop off the left 32 bytes.
$message = self::substr(
$message,
ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE
);
$bytes -= ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE;
}
$this->h = array(
(int) ($h0 & 0xffffffff),
(int) ($h1 & 0xffffffff),
(int) ($h2 & 0xffffffff),
(int) ($h3 & 0xffffffff),
(int) ($h4 & 0xffffffff)
);
return $this;
}
/**
* @internal You should not use this directly from another application
*
* @return string
* @throws TypeError
*/
public function finish()
{
/* process the remaining block */
if ($this->leftover) {
$i = $this->leftover;
$this->buffer[$i++] = 1;
for (; $i < ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE; ++$i) {
$this->buffer[$i] = 0;
}
$this->final = true;
$this->blocks(
self::substr(
self::intArrayToString($this->buffer),
0,
ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE
),
ParagonIE_Sodium_Core_Poly1305::BLOCK_SIZE
);
}
$h0 = (int) $this->h[0];
$h1 = (int) $this->h[1];
$h2 = (int) $this->h[2];
$h3 = (int) $this->h[3];
$h4 = (int) $this->h[4];
/** @var int $c */
$c = $h1 >> 26;
/** @var int $h1 */
$h1 &= 0x3ffffff;
/** @var int $h2 */
$h2 += $c;
/** @var int $c */
$c = $h2 >> 26;
/** @var int $h2 */
$h2 &= 0x3ffffff;
$h3 += $c;
/** @var int $c */
$c = $h3 >> 26;
$h3 &= 0x3ffffff;
$h4 += $c;
/** @var int $c */
$c = $h4 >> 26;
$h4 &= 0x3ffffff;
/** @var int $h0 */
$h0 += self::mul($c, 5, 3);
/** @var int $c */
$c = $h0 >> 26;
/** @var int $h0 */
$h0 &= 0x3ffffff;
/** @var int $h1 */
$h1 += $c;
/* compute h + -p */
/** @var int $g0 */
$g0 = $h0 + 5;
/** @var int $c */
$c = $g0 >> 26;
/** @var int $g0 */
$g0 &= 0x3ffffff;
/** @var int $g1 */
$g1 = $h1 + $c;
/** @var int $c */
$c = $g1 >> 26;
$g1 &= 0x3ffffff;
/** @var int $g2 */
$g2 = $h2 + $c;
/** @var int $c */
$c = $g2 >> 26;
/** @var int $g2 */
$g2 &= 0x3ffffff;
/** @var int $g3 */
$g3 = $h3 + $c;
/** @var int $c */
$c = $g3 >> 26;
/** @var int $g3 */
$g3 &= 0x3ffffff;
/** @var int $g4 */
$g4 = ($h4 + $c - (1 << 26)) & 0xffffffff;
/* select h if h < p, or h + -p if h >= p */
/** @var int $mask */
$mask = ($g4 >> 31) - 1;
$g0 &= $mask;
$g1 &= $mask;
$g2 &= $mask;
$g3 &= $mask;
$g4 &= $mask;
/** @var int $mask */
$mask = ~$mask & 0xffffffff;
/** @var int $h0 */
$h0 = ($h0 & $mask) | $g0;
/** @var int $h1 */
$h1 = ($h1 & $mask) | $g1;
/** @var int $h2 */
$h2 = ($h2 & $mask) | $g2;
/** @var int $h3 */
$h3 = ($h3 & $mask) | $g3;
/** @var int $h4 */
$h4 = ($h4 & $mask) | $g4;
/* h = h % (2^128) */
/** @var int $h0 */
$h0 = (($h0) | ($h1 << 26)) & 0xffffffff;
/** @var int $h1 */
$h1 = (($h1 >> 6) | ($h2 << 20)) & 0xffffffff;
/** @var int $h2 */
$h2 = (($h2 >> 12) | ($h3 << 14)) & 0xffffffff;
/** @var int $h3 */
$h3 = (($h3 >> 18) | ($h4 << 8)) & 0xffffffff;
/* mac = (h + pad) % (2^128) */
$f = (int) ($h0 + $this->pad[0]);
$h0 = (int) $f;
$f = (int) ($h1 + $this->pad[1] + ($f >> 32));
$h1 = (int) $f;
$f = (int) ($h2 + $this->pad[2] + ($f >> 32));
$h2 = (int) $f;
$f = (int) ($h3 + $this->pad[3] + ($f >> 32));
$h3 = (int) $f;
return self::store32_le($h0 & 0xffffffff) .
self::store32_le($h1 & 0xffffffff) .
self::store32_le($h2 & 0xffffffff) .
self::store32_le($h3 & 0xffffffff);
}
}
src/Core/Poly1305/error_log 0000644 00000003040 15120157171 0011371 0 ustar 00 [27-Oct-2025 14:01:00 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305/State.php on line 10
[27-Oct-2025 14:01:01 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305/State.php on line 10
[27-Oct-2025 16:25:13 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305/State.php on line 10
[27-Oct-2025 16:25:14 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305/State.php on line 10
[27-Oct-2025 22:57:36 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305/State.php on line 10
[27-Oct-2025 22:57:45 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305/State.php on line 10
[12-Dec-2025 19:04:27 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305/State.php on line 11
[12-Dec-2025 19:04:41 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305/State.php on line 11
src/Core/Poly1305.php 0000644 00000003046 15120157171 0010173 0 ustar 00 update($m)
->finish();
}
/**
* @internal You should not use this directly from another application
*
* @param string $mac
* @param string $m
* @param string $key
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function onetimeauth_verify($mac, $m, $key)
{
if (self::strlen($key) < 32) {
throw new InvalidArgumentException(
'Key must be 32 bytes long.'
);
}
$state = new ParagonIE_Sodium_Core_Poly1305_State(
self::substr($key, 0, 32)
);
$calc = $state
->update($m)
->finish();
return self::verify_16($calc, $mac);
}
}
src/Core/Salsa20.php 0000644 00000020051 15120157171 0010137 0 ustar 00 0; $i -= 2) {
$x4 ^= self::rotate($x0 + $x12, 7);
$x8 ^= self::rotate($x4 + $x0, 9);
$x12 ^= self::rotate($x8 + $x4, 13);
$x0 ^= self::rotate($x12 + $x8, 18);
$x9 ^= self::rotate($x5 + $x1, 7);
$x13 ^= self::rotate($x9 + $x5, 9);
$x1 ^= self::rotate($x13 + $x9, 13);
$x5 ^= self::rotate($x1 + $x13, 18);
$x14 ^= self::rotate($x10 + $x6, 7);
$x2 ^= self::rotate($x14 + $x10, 9);
$x6 ^= self::rotate($x2 + $x14, 13);
$x10 ^= self::rotate($x6 + $x2, 18);
$x3 ^= self::rotate($x15 + $x11, 7);
$x7 ^= self::rotate($x3 + $x15, 9);
$x11 ^= self::rotate($x7 + $x3, 13);
$x15 ^= self::rotate($x11 + $x7, 18);
$x1 ^= self::rotate($x0 + $x3, 7);
$x2 ^= self::rotate($x1 + $x0, 9);
$x3 ^= self::rotate($x2 + $x1, 13);
$x0 ^= self::rotate($x3 + $x2, 18);
$x6 ^= self::rotate($x5 + $x4, 7);
$x7 ^= self::rotate($x6 + $x5, 9);
$x4 ^= self::rotate($x7 + $x6, 13);
$x5 ^= self::rotate($x4 + $x7, 18);
$x11 ^= self::rotate($x10 + $x9, 7);
$x8 ^= self::rotate($x11 + $x10, 9);
$x9 ^= self::rotate($x8 + $x11, 13);
$x10 ^= self::rotate($x9 + $x8, 18);
$x12 ^= self::rotate($x15 + $x14, 7);
$x13 ^= self::rotate($x12 + $x15, 9);
$x14 ^= self::rotate($x13 + $x12, 13);
$x15 ^= self::rotate($x14 + $x13, 18);
}
$x0 += $j0;
$x1 += $j1;
$x2 += $j2;
$x3 += $j3;
$x4 += $j4;
$x5 += $j5;
$x6 += $j6;
$x7 += $j7;
$x8 += $j8;
$x9 += $j9;
$x10 += $j10;
$x11 += $j11;
$x12 += $j12;
$x13 += $j13;
$x14 += $j14;
$x15 += $j15;
return self::store32_le($x0) .
self::store32_le($x1) .
self::store32_le($x2) .
self::store32_le($x3) .
self::store32_le($x4) .
self::store32_le($x5) .
self::store32_le($x6) .
self::store32_le($x7) .
self::store32_le($x8) .
self::store32_le($x9) .
self::store32_le($x10) .
self::store32_le($x11) .
self::store32_le($x12) .
self::store32_le($x13) .
self::store32_le($x14) .
self::store32_le($x15);
}
/**
* @internal You should not use this directly from another application
*
* @param int $len
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function salsa20($len, $nonce, $key)
{
if (self::strlen($key) !== 32) {
throw new RangeException('Key must be 32 bytes long');
}
$kcopy = '' . $key;
$in = self::substr($nonce, 0, 8) . str_repeat("\0", 8);
$c = '';
while ($len >= 64) {
$c .= self::core_salsa20($in, $kcopy, null);
$u = 1;
// Internal counter.
for ($i = 8; $i < 16; ++$i) {
$u += self::chrToInt($in[$i]);
$in[$i] = self::intToChr($u & 0xff);
$u >>= 8;
}
$len -= 64;
}
if ($len > 0) {
$c .= self::substr(
self::core_salsa20($in, $kcopy, null),
0,
$len
);
}
try {
ParagonIE_Sodium_Compat::memzero($kcopy);
} catch (SodiumException $ex) {
$kcopy = null;
}
return $c;
}
/**
* @internal You should not use this directly from another application
*
* @param string $m
* @param string $n
* @param int $ic
* @param string $k
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function salsa20_xor_ic($m, $n, $ic, $k)
{
$mlen = self::strlen($m);
if ($mlen < 1) {
return '';
}
$kcopy = self::substr($k, 0, 32);
$in = self::substr($n, 0, 8);
// Initialize the counter
$in .= ParagonIE_Sodium_Core_Util::store64_le($ic);
$c = '';
while ($mlen >= 64) {
$block = self::core_salsa20($in, $kcopy, null);
$c .= self::xorStrings(
self::substr($m, 0, 64),
self::substr($block, 0, 64)
);
$u = 1;
for ($i = 8; $i < 16; ++$i) {
$u += self::chrToInt($in[$i]);
$in[$i] = self::intToChr($u & 0xff);
$u >>= 8;
}
$mlen -= 64;
$m = self::substr($m, 64);
}
if ($mlen) {
$block = self::core_salsa20($in, $kcopy, null);
$c .= self::xorStrings(
self::substr($m, 0, $mlen),
self::substr($block, 0, $mlen)
);
}
try {
ParagonIE_Sodium_Compat::memzero($block);
ParagonIE_Sodium_Compat::memzero($kcopy);
} catch (SodiumException $ex) {
$block = null;
$kcopy = null;
}
return $c;
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function salsa20_xor($message, $nonce, $key)
{
return self::xorStrings(
$message,
self::salsa20(
self::strlen($message),
$nonce,
$key
)
);
}
/**
* @internal You should not use this directly from another application
*
* @param int $u
* @param int $c
* @return int
*/
public static function rotate($u, $c)
{
$u &= 0xffffffff;
$c %= 32;
return (int) (0xffffffff & (
($u << $c)
|
($u >> (32 - $c))
)
);
}
}
src/Core/SecretStream/State.php 0000644 00000007050 15120157171 0012417 0 ustar 00 key = $key;
$this->counter = 1;
if (is_null($nonce)) {
$nonce = str_repeat("\0", 12);
}
$this->nonce = str_pad($nonce, 12, "\0", STR_PAD_RIGHT);;
$this->_pad = str_repeat("\0", 4);
}
/**
* @return self
*/
public function counterReset()
{
$this->counter = 1;
$this->_pad = str_repeat("\0", 4);
return $this;
}
/**
* @return string
*/
public function getKey()
{
return $this->key;
}
/**
* @return string
*/
public function getCounter()
{
return ParagonIE_Sodium_Core_Util::store32_le($this->counter);
}
/**
* @return string
*/
public function getNonce()
{
if (!is_string($this->nonce)) {
$this->nonce = str_repeat("\0", 12);
}
if (ParagonIE_Sodium_Core_Util::strlen($this->nonce) !== 12) {
$this->nonce = str_pad($this->nonce, 12, "\0", STR_PAD_RIGHT);
}
return $this->nonce;
}
/**
* @return string
*/
public function getCombinedNonce()
{
return $this->getCounter() .
ParagonIE_Sodium_Core_Util::substr($this->getNonce(), 0, 8);
}
/**
* @return self
*/
public function incrementCounter()
{
++$this->counter;
return $this;
}
/**
* @return bool
*/
public function needsRekey()
{
return ($this->counter & 0xffff) === 0;
}
/**
* @param string $newKeyAndNonce
* @return self
*/
public function rekey($newKeyAndNonce)
{
$this->key = ParagonIE_Sodium_Core_Util::substr($newKeyAndNonce, 0, 32);
$this->nonce = str_pad(
ParagonIE_Sodium_Core_Util::substr($newKeyAndNonce, 32),
12,
"\0",
STR_PAD_RIGHT
);
return $this;
}
/**
* @param string $str
* @return self
*/
public function xorNonce($str)
{
$this->nonce = ParagonIE_Sodium_Core_Util::xorStrings(
$this->getNonce(),
str_pad(
ParagonIE_Sodium_Core_Util::substr($str, 0, 8),
12,
"\0",
STR_PAD_RIGHT
)
);
return $this;
}
/**
* @param string $string
* @return self
*/
public static function fromString($string)
{
$state = new ParagonIE_Sodium_Core_SecretStream_State(
ParagonIE_Sodium_Core_Util::substr($string, 0, 32)
);
$state->counter = ParagonIE_Sodium_Core_Util::load_4(
ParagonIE_Sodium_Core_Util::substr($string, 32, 4)
);
$state->nonce = ParagonIE_Sodium_Core_Util::substr($string, 36, 12);
$state->_pad = ParagonIE_Sodium_Core_Util::substr($string, 48, 8);
return $state;
}
/**
* @return string
*/
public function toString()
{
return $this->key .
$this->getCounter() .
$this->nonce .
$this->_pad;
}
}
src/Core/SecretStream/nextjs/index.php 0000444 00000000000 15120157171 0013743 0 ustar 00 src/Core/SipHash.php 0000644 00000020051 15120157171 0010271 0 ustar 00
*/
public static function add(array $a, array $b)
{
/** @var int $x1 */
$x1 = $a[1] + $b[1];
/** @var int $c */
$c = $x1 >> 32; // Carry if ($a + $b) > 0xffffffff
/** @var int $x0 */
$x0 = $a[0] + $b[0] + $c;
return array(
$x0 & 0xffffffff,
$x1 & 0xffffffff
);
}
/**
* @internal You should not use this directly from another application
*
* @param int $int0
* @param int $int1
* @param int $c
* @return array
*/
public static function rotl_64($int0, $int1, $c)
{
$int0 &= 0xffffffff;
$int1 &= 0xffffffff;
$c &= 63;
if ($c === 32) {
return array($int1, $int0);
}
if ($c > 31) {
$tmp = $int1;
$int1 = $int0;
$int0 = $tmp;
$c &= 31;
}
if ($c === 0) {
return array($int0, $int1);
}
return array(
0xffffffff & (
($int0 << $c)
|
($int1 >> (32 - $c))
),
0xffffffff & (
($int1 << $c)
|
($int0 >> (32 - $c))
),
);
}
/**
* Implements Siphash-2-4 using only 32-bit numbers.
*
* When we split an int into two, the higher bits go to the lower index.
* e.g. 0xDEADBEEFAB10C92D becomes [
* 0 => 0xDEADBEEF,
* 1 => 0xAB10C92D
* ].
*
* @internal You should not use this directly from another application
*
* @param string $in
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sipHash24($in, $key)
{
$inlen = self::strlen($in);
# /* "somepseudorandomlygeneratedbytes" */
# u64 v0 = 0x736f6d6570736575ULL;
# u64 v1 = 0x646f72616e646f6dULL;
# u64 v2 = 0x6c7967656e657261ULL;
# u64 v3 = 0x7465646279746573ULL;
$v = array(
0x736f6d65, // 0
0x70736575, // 1
0x646f7261, // 2
0x6e646f6d, // 3
0x6c796765, // 4
0x6e657261, // 5
0x74656462, // 6
0x79746573 // 7
);
// v0 => $v[0], $v[1]
// v1 => $v[2], $v[3]
// v2 => $v[4], $v[5]
// v3 => $v[6], $v[7]
# u64 k0 = LOAD64_LE( k );
# u64 k1 = LOAD64_LE( k + 8 );
$k = array(
self::load_4(self::substr($key, 4, 4)),
self::load_4(self::substr($key, 0, 4)),
self::load_4(self::substr($key, 12, 4)),
self::load_4(self::substr($key, 8, 4))
);
// k0 => $k[0], $k[1]
// k1 => $k[2], $k[3]
# b = ( ( u64 )inlen ) << 56;
$b = array(
$inlen << 24,
0
);
// See docblock for why the 0th index gets the higher bits.
# v3 ^= k1;
$v[6] ^= $k[2];
$v[7] ^= $k[3];
# v2 ^= k0;
$v[4] ^= $k[0];
$v[5] ^= $k[1];
# v1 ^= k1;
$v[2] ^= $k[2];
$v[3] ^= $k[3];
# v0 ^= k0;
$v[0] ^= $k[0];
$v[1] ^= $k[1];
$left = $inlen;
# for ( ; in != end; in += 8 )
while ($left >= 8) {
# m = LOAD64_LE( in );
$m = array(
self::load_4(self::substr($in, 4, 4)),
self::load_4(self::substr($in, 0, 4))
);
# v3 ^= m;
$v[6] ^= $m[0];
$v[7] ^= $m[1];
# SIPROUND;
# SIPROUND;
$v = self::sipRound($v);
$v = self::sipRound($v);
# v0 ^= m;
$v[0] ^= $m[0];
$v[1] ^= $m[1];
$in = self::substr($in, 8);
$left -= 8;
}
# switch( left )
# {
# case 7: b |= ( ( u64 )in[ 6] ) << 48;
# case 6: b |= ( ( u64 )in[ 5] ) << 40;
# case 5: b |= ( ( u64 )in[ 4] ) << 32;
# case 4: b |= ( ( u64 )in[ 3] ) << 24;
# case 3: b |= ( ( u64 )in[ 2] ) << 16;
# case 2: b |= ( ( u64 )in[ 1] ) << 8;
# case 1: b |= ( ( u64 )in[ 0] ); break;
# case 0: break;
# }
switch ($left) {
case 7:
$b[0] |= self::chrToInt($in[6]) << 16;
case 6:
$b[0] |= self::chrToInt($in[5]) << 8;
case 5:
$b[0] |= self::chrToInt($in[4]);
case 4:
$b[1] |= self::chrToInt($in[3]) << 24;
case 3:
$b[1] |= self::chrToInt($in[2]) << 16;
case 2:
$b[1] |= self::chrToInt($in[1]) << 8;
case 1:
$b[1] |= self::chrToInt($in[0]);
case 0:
break;
}
// See docblock for why the 0th index gets the higher bits.
# v3 ^= b;
$v[6] ^= $b[0];
$v[7] ^= $b[1];
# SIPROUND;
# SIPROUND;
$v = self::sipRound($v);
$v = self::sipRound($v);
# v0 ^= b;
$v[0] ^= $b[0];
$v[1] ^= $b[1];
// Flip the lower 8 bits of v2 which is ($v[4], $v[5]) in our implementation
# v2 ^= 0xff;
$v[5] ^= 0xff;
# SIPROUND;
# SIPROUND;
# SIPROUND;
# SIPROUND;
$v = self::sipRound($v);
$v = self::sipRound($v);
$v = self::sipRound($v);
$v = self::sipRound($v);
# b = v0 ^ v1 ^ v2 ^ v3;
# STORE64_LE( out, b );
return self::store32_le($v[1] ^ $v[3] ^ $v[5] ^ $v[7]) .
self::store32_le($v[0] ^ $v[2] ^ $v[4] ^ $v[6]);
}
}
src/Core/Util.php 0000644 00000066645 15120157171 0007672 0 ustar 00 > $size) & 1);
return (int) (
($integer ^ $negative)
+
(($negative >> $realSize) & 1)
);
}
/**
* Convert a binary string into a hexadecimal string without cache-timing
* leaks
*
* @internal You should not use this directly from another application
*
* @param string $binaryString (raw binary)
* @return string
* @throws TypeError
*/
public static function bin2hex($binaryString)
{
/* Type checks: */
if (!is_string($binaryString)) {
throw new TypeError('Argument 1 must be a string, ' . gettype($binaryString) . ' given.');
}
$hex = '';
$len = self::strlen($binaryString);
for ($i = 0; $i < $len; ++$i) {
/** @var array $chunk */
$chunk = unpack('C', $binaryString[$i]);
/** @var int $c */
$c = $chunk[1] & 0xf;
/** @var int $b */
$b = $chunk[1] >> 4;
$hex .= pack(
'CC',
(87 + $b + ((($b - 10) >> 8) & ~38)),
(87 + $c + ((($c - 10) >> 8) & ~38))
);
}
return $hex;
}
/**
* Convert a binary string into a hexadecimal string without cache-timing
* leaks, returning uppercase letters (as per RFC 4648)
*
* @internal You should not use this directly from another application
*
* @param string $bin_string (raw binary)
* @return string
* @throws TypeError
*/
public static function bin2hexUpper($bin_string)
{
$hex = '';
$len = self::strlen($bin_string);
for ($i = 0; $i < $len; ++$i) {
/** @var array $chunk */
$chunk = unpack('C', $bin_string[$i]);
/**
* Lower 16 bits
*
* @var int $c
*/
$c = $chunk[1] & 0xf;
/**
* Upper 16 bits
* @var int $b
*/
$b = $chunk[1] >> 4;
/**
* Use pack() and binary operators to turn the two integers
* into hexadecimal characters. We don't use chr() here, because
* it uses a lookup table internally and we want to avoid
* cache-timing side-channels.
*/
$hex .= pack(
'CC',
(55 + $b + ((($b - 10) >> 8) & ~6)),
(55 + $c + ((($c - 10) >> 8) & ~6))
);
}
return $hex;
}
/**
* Cache-timing-safe variant of ord()
*
* @internal You should not use this directly from another application
*
* @param string $chr
* @return int
* @throws SodiumException
* @throws TypeError
*/
public static function chrToInt($chr)
{
/* Type checks: */
if (!is_string($chr)) {
throw new TypeError('Argument 1 must be a string, ' . gettype($chr) . ' given.');
}
if (self::strlen($chr) !== 1) {
throw new SodiumException('chrToInt() expects a string that is exactly 1 character long');
}
/** @var array $chunk */
$chunk = unpack('C', $chr);
return (int) ($chunk[1]);
}
/**
* Compares two strings.
*
* @internal You should not use this directly from another application
*
* @param string $left
* @param string $right
* @param int $len
* @return int
* @throws SodiumException
* @throws TypeError
*/
public static function compare($left, $right, $len = null)
{
$leftLen = self::strlen($left);
$rightLen = self::strlen($right);
if ($len === null) {
$len = max($leftLen, $rightLen);
$left = str_pad($left, $len, "\x00", STR_PAD_RIGHT);
$right = str_pad($right, $len, "\x00", STR_PAD_RIGHT);
}
$gt = 0;
$eq = 1;
$i = $len;
while ($i !== 0) {
--$i;
$gt |= ((self::chrToInt($right[$i]) - self::chrToInt($left[$i])) >> 8) & $eq;
$eq &= ((self::chrToInt($right[$i]) ^ self::chrToInt($left[$i])) - 1) >> 8;
}
return ($gt + $gt + $eq) - 1;
}
/**
* If a variable does not match a given type, throw a TypeError.
*
* @param mixed $mixedVar
* @param string $type
* @param int $argumentIndex
* @throws TypeError
* @throws SodiumException
* @return void
*/
public static function declareScalarType(&$mixedVar = null, $type = 'void', $argumentIndex = 0)
{
if (func_num_args() === 0) {
/* Tautology, by default */
return;
}
if (func_num_args() === 1) {
throw new TypeError('Declared void, but passed a variable');
}
$realType = strtolower(gettype($mixedVar));
$type = strtolower($type);
switch ($type) {
case 'null':
if ($mixedVar !== null) {
throw new TypeError('Argument ' . $argumentIndex . ' must be null, ' . $realType . ' given.');
}
break;
case 'integer':
case 'int':
$allow = array('int', 'integer');
if (!in_array($type, $allow)) {
throw new TypeError('Argument ' . $argumentIndex . ' must be an integer, ' . $realType . ' given.');
}
$mixedVar = (int) $mixedVar;
break;
case 'boolean':
case 'bool':
$allow = array('bool', 'boolean');
if (!in_array($type, $allow)) {
throw new TypeError('Argument ' . $argumentIndex . ' must be a boolean, ' . $realType . ' given.');
}
$mixedVar = (bool) $mixedVar;
break;
case 'string':
if (!is_string($mixedVar)) {
throw new TypeError('Argument ' . $argumentIndex . ' must be a string, ' . $realType . ' given.');
}
$mixedVar = (string) $mixedVar;
break;
case 'decimal':
case 'double':
case 'float':
$allow = array('decimal', 'double', 'float');
if (!in_array($type, $allow)) {
throw new TypeError('Argument ' . $argumentIndex . ' must be a float, ' . $realType . ' given.');
}
$mixedVar = (float) $mixedVar;
break;
case 'object':
if (!is_object($mixedVar)) {
throw new TypeError('Argument ' . $argumentIndex . ' must be an object, ' . $realType . ' given.');
}
break;
case 'array':
if (!is_array($mixedVar)) {
if (is_object($mixedVar)) {
if ($mixedVar instanceof ArrayAccess) {
return;
}
}
throw new TypeError('Argument ' . $argumentIndex . ' must be an array, ' . $realType . ' given.');
}
break;
default:
throw new SodiumException('Unknown type (' . $realType .') does not match expect type (' . $type . ')');
}
}
/**
* Evaluate whether or not two strings are equal (in constant-time)
*
* @param string $left
* @param string $right
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function hashEquals($left, $right)
{
/* Type checks: */
if (!is_string($left)) {
throw new TypeError('Argument 1 must be a string, ' . gettype($left) . ' given.');
}
if (!is_string($right)) {
throw new TypeError('Argument 2 must be a string, ' . gettype($right) . ' given.');
}
if (is_callable('hash_equals')) {
return hash_equals($left, $right);
}
$d = 0;
/** @var int $len */
$len = self::strlen($left);
if ($len !== self::strlen($right)) {
return false;
}
for ($i = 0; $i < $len; ++$i) {
$d |= self::chrToInt($left[$i]) ^ self::chrToInt($right[$i]);
}
if ($d !== 0) {
return false;
}
return $left === $right;
}
/**
* Catch hash_update() failures and throw instead of silently proceding
*
* @param HashContext|resource &$hs
* @param string $data
* @return void
* @throws SodiumException
* @psalm-suppress PossiblyInvalidArgument
*/
protected static function hash_update(&$hs, $data)
{
if (!hash_update($hs, $data)) {
throw new SodiumException('hash_update() failed');
}
}
/**
* Convert a hexadecimal string into a binary string without cache-timing
* leaks
*
* @internal You should not use this directly from another application
*
* @param string $hexString
* @param bool $strictPadding
* @return string (raw binary)
* @throws RangeException
* @throws TypeError
*/
public static function hex2bin($hexString, $strictPadding = false)
{
/* Type checks: */
if (!is_string($hexString)) {
throw new TypeError('Argument 1 must be a string, ' . gettype($hexString) . ' given.');
}
/** @var int $hex_pos */
$hex_pos = 0;
/** @var string $bin */
$bin = '';
/** @var int $c_acc */
$c_acc = 0;
/** @var int $hex_len */
$hex_len = self::strlen($hexString);
/** @var int $state */
$state = 0;
if (($hex_len & 1) !== 0) {
if ($strictPadding) {
throw new RangeException(
'Expected an even number of hexadecimal characters'
);
} else {
$hexString = '0' . $hexString;
++$hex_len;
}
}
$chunk = unpack('C*', $hexString);
while ($hex_pos < $hex_len) {
++$hex_pos;
/** @var int $c */
$c = $chunk[$hex_pos];
/** @var int $c_num */
$c_num = $c ^ 48;
/** @var int $c_num0 */
$c_num0 = ($c_num - 10) >> 8;
/** @var int $c_alpha */
$c_alpha = ($c & ~32) - 55;
/** @var int $c_alpha0 */
$c_alpha0 = (($c_alpha - 10) ^ ($c_alpha - 16)) >> 8;
if (($c_num0 | $c_alpha0) === 0) {
throw new RangeException(
'hex2bin() only expects hexadecimal characters'
);
}
/** @var int $c_val */
$c_val = ($c_num0 & $c_num) | ($c_alpha & $c_alpha0);
if ($state === 0) {
$c_acc = $c_val * 16;
} else {
$bin .= pack('C', $c_acc | $c_val);
}
$state ^= 1;
}
return $bin;
}
/**
* Turn an array of integers into a string
*
* @internal You should not use this directly from another application
*
* @param array $ints
* @return string
*/
public static function intArrayToString(array $ints)
{
/** @var array $args */
$args = $ints;
foreach ($args as $i => $v) {
$args[$i] = (int) ($v & 0xff);
}
array_unshift($args, str_repeat('C', count($ints)));
return (string) (call_user_func_array('pack', $args));
}
/**
* Cache-timing-safe variant of ord()
*
* @internal You should not use this directly from another application
*
* @param int $int
* @return string
* @throws TypeError
*/
public static function intToChr($int)
{
return pack('C', $int);
}
/**
* Load a 3 character substring into an integer
*
* @internal You should not use this directly from another application
*
* @param string $string
* @return int
* @throws RangeException
* @throws TypeError
*/
public static function load_3($string)
{
/* Type checks: */
if (!is_string($string)) {
throw new TypeError('Argument 1 must be a string, ' . gettype($string) . ' given.');
}
/* Input validation: */
if (self::strlen($string) < 3) {
throw new RangeException(
'String must be 3 bytes or more; ' . self::strlen($string) . ' given.'
);
}
/** @var array $unpacked */
$unpacked = unpack('V', $string . "\0");
return (int) ($unpacked[1] & 0xffffff);
}
/**
* Load a 4 character substring into an integer
*
* @internal You should not use this directly from another application
*
* @param string $string
* @return int
* @throws RangeException
* @throws TypeError
*/
public static function load_4($string)
{
/* Type checks: */
if (!is_string($string)) {
throw new TypeError('Argument 1 must be a string, ' . gettype($string) . ' given.');
}
/* Input validation: */
if (self::strlen($string) < 4) {
throw new RangeException(
'String must be 4 bytes or more; ' . self::strlen($string) . ' given.'
);
}
/** @var array $unpacked */
$unpacked = unpack('V', $string);
return (int) ($unpacked[1] & 0xffffffff);
}
/**
* Load a 8 character substring into an integer
*
* @internal You should not use this directly from another application
*
* @param string $string
* @return int
* @throws RangeException
* @throws SodiumException
* @throws TypeError
*/
public static function load64_le($string)
{
/* Type checks: */
if (!is_string($string)) {
throw new TypeError('Argument 1 must be a string, ' . gettype($string) . ' given.');
}
/* Input validation: */
if (self::strlen($string) < 4) {
throw new RangeException(
'String must be 4 bytes or more; ' . self::strlen($string) . ' given.'
);
}
if (PHP_VERSION_ID >= 50603 && PHP_INT_SIZE === 8) {
/** @var array $unpacked */
$unpacked = unpack('P', $string);
return (int) $unpacked[1];
}
/** @var int $result */
$result = (self::chrToInt($string[0]) & 0xff);
$result |= (self::chrToInt($string[1]) & 0xff) << 8;
$result |= (self::chrToInt($string[2]) & 0xff) << 16;
$result |= (self::chrToInt($string[3]) & 0xff) << 24;
$result |= (self::chrToInt($string[4]) & 0xff) << 32;
$result |= (self::chrToInt($string[5]) & 0xff) << 40;
$result |= (self::chrToInt($string[6]) & 0xff) << 48;
$result |= (self::chrToInt($string[7]) & 0xff) << 56;
return (int) $result;
}
/**
* @internal You should not use this directly from another application
*
* @param string $left
* @param string $right
* @return int
* @throws SodiumException
* @throws TypeError
*/
public static function memcmp($left, $right)
{
if (self::hashEquals($left, $right)) {
return 0;
}
return -1;
}
/**
* Multiply two integers in constant-time
*
* Micro-architecture timing side-channels caused by how your CPU
* implements multiplication are best prevented by never using the
* multiplication operators and ensuring that our code always takes
* the same number of operations to complete, regardless of the values
* of $a and $b.
*
* @internal You should not use this directly from another application
*
* @param int $a
* @param int $b
* @param int $size Limits the number of operations (useful for small,
* constant operands)
* @return int
*/
public static function mul($a, $b, $size = 0)
{
if (ParagonIE_Sodium_Compat::$fastMult) {
return (int) ($a * $b);
}
static $defaultSize = null;
/** @var int $defaultSize */
if (!$defaultSize) {
/** @var int $defaultSize */
$defaultSize = (PHP_INT_SIZE << 3) - 1;
}
if ($size < 1) {
/** @var int $size */
$size = $defaultSize;
}
/** @var int $size */
$c = 0;
/**
* Mask is either -1 or 0.
*
* -1 in binary looks like 0x1111 ... 1111
* 0 in binary looks like 0x0000 ... 0000
*
* @var int
*/
$mask = -(($b >> ((int) $defaultSize)) & 1);
/**
* Ensure $b is a positive integer, without creating
* a branching side-channel
*
* @var int $b
*/
$b = ($b & ~$mask) | ($mask & -$b);
/**
* Unless $size is provided:
*
* This loop always runs 32 times when PHP_INT_SIZE is 4.
* This loop always runs 64 times when PHP_INT_SIZE is 8.
*/
for ($i = $size; $i >= 0; --$i) {
$c += (int) ($a & -($b & 1));
$a <<= 1;
$b >>= 1;
}
/**
* If $b was negative, we then apply the same value to $c here.
* It doesn't matter much if $a was negative; the $c += above would
* have produced a negative integer to begin with. But a negative $b
* makes $b >>= 1 never return 0, so we would end up with incorrect
* results.
*
* The end result is what we'd expect from integer multiplication.
*/
return (int) (($c & ~$mask) | ($mask & -$c));
}
/**
* Convert any arbitrary numbers into two 32-bit integers that represent
* a 64-bit integer.
*
* @internal You should not use this directly from another application
*
* @param int|float $num
* @return array
*/
public static function numericTo64BitInteger($num)
{
$high = 0;
/** @var int $low */
$low = $num & 0xffffffff;
if ((+(abs($num))) >= 1) {
if ($num > 0) {
/** @var int $high */
$high = min((+(floor($num/4294967296))), 4294967295);
} else {
/** @var int $high */
$high = ~~((+(ceil(($num - (+((~~($num)))))/4294967296))));
}
}
return array((int) $high, (int) $low);
}
/**
* Store a 24-bit integer into a string, treating it as big-endian.
*
* @internal You should not use this directly from another application
*
* @param int $int
* @return string
* @throws TypeError
*/
public static function store_3($int)
{
/* Type checks: */
if (!is_int($int)) {
if (is_numeric($int)) {
$int = (int) $int;
} else {
throw new TypeError('Argument 1 must be an integer, ' . gettype($int) . ' given.');
}
}
/** @var string $packed */
$packed = pack('N', $int);
return self::substr($packed, 1, 3);
}
/**
* Store a 32-bit integer into a string, treating it as little-endian.
*
* @internal You should not use this directly from another application
*
* @param int $int
* @return string
* @throws TypeError
*/
public static function store32_le($int)
{
/* Type checks: */
if (!is_int($int)) {
if (is_numeric($int)) {
$int = (int) $int;
} else {
throw new TypeError('Argument 1 must be an integer, ' . gettype($int) . ' given.');
}
}
/** @var string $packed */
$packed = pack('V', $int);
return $packed;
}
/**
* Store a 32-bit integer into a string, treating it as big-endian.
*
* @internal You should not use this directly from another application
*
* @param int $int
* @return string
* @throws TypeError
*/
public static function store_4($int)
{
/* Type checks: */
if (!is_int($int)) {
if (is_numeric($int)) {
$int = (int) $int;
} else {
throw new TypeError('Argument 1 must be an integer, ' . gettype($int) . ' given.');
}
}
/** @var string $packed */
$packed = pack('N', $int);
return $packed;
}
/**
* Stores a 64-bit integer as an string, treating it as little-endian.
*
* @internal You should not use this directly from another application
*
* @param int $int
* @return string
* @throws TypeError
*/
public static function store64_le($int)
{
/* Type checks: */
if (!is_int($int)) {
if (is_numeric($int)) {
$int = (int) $int;
} else {
throw new TypeError('Argument 1 must be an integer, ' . gettype($int) . ' given.');
}
}
if (PHP_INT_SIZE === 8) {
if (PHP_VERSION_ID >= 50603) {
/** @var string $packed */
$packed = pack('P', $int);
return $packed;
}
return self::intToChr($int & 0xff) .
self::intToChr(($int >> 8) & 0xff) .
self::intToChr(($int >> 16) & 0xff) .
self::intToChr(($int >> 24) & 0xff) .
self::intToChr(($int >> 32) & 0xff) .
self::intToChr(($int >> 40) & 0xff) .
self::intToChr(($int >> 48) & 0xff) .
self::intToChr(($int >> 56) & 0xff);
}
if ($int > PHP_INT_MAX) {
list($hiB, $int) = self::numericTo64BitInteger($int);
} else {
$hiB = 0;
}
return
self::intToChr(($int ) & 0xff) .
self::intToChr(($int >> 8) & 0xff) .
self::intToChr(($int >> 16) & 0xff) .
self::intToChr(($int >> 24) & 0xff) .
self::intToChr($hiB & 0xff) .
self::intToChr(($hiB >> 8) & 0xff) .
self::intToChr(($hiB >> 16) & 0xff) .
self::intToChr(($hiB >> 24) & 0xff);
}
/**
* Safe string length
*
* @internal You should not use this directly from another application
*
* @ref mbstring.func_overload
*
* @param string $str
* @return int
* @throws TypeError
*/
public static function strlen($str)
{
/* Type checks: */
if (!is_string($str)) {
throw new TypeError('String expected');
}
return (int) (
self::isMbStringOverride()
? mb_strlen($str, '8bit')
: strlen($str)
);
}
/**
* Turn a string into an array of integers
*
* @internal You should not use this directly from another application
*
* @param string $string
* @return array
* @throws TypeError
*/
public static function stringToIntArray($string)
{
if (!is_string($string)) {
throw new TypeError('String expected');
}
/**
* @var array
*/
$values = array_values(
unpack('C*', $string)
);
return $values;
}
/**
* Safe substring
*
* @internal You should not use this directly from another application
*
* @ref mbstring.func_overload
*
* @param string $str
* @param int $start
* @param int $length
* @return string
* @throws TypeError
*/
public static function substr($str, $start = 0, $length = null)
{
/* Type checks: */
if (!is_string($str)) {
throw new TypeError('String expected');
}
if ($length === 0) {
return '';
}
if (self::isMbStringOverride()) {
if (PHP_VERSION_ID < 50400 && $length === null) {
$length = self::strlen($str);
}
$sub = (string) mb_substr($str, $start, $length, '8bit');
} elseif ($length === null) {
$sub = (string) substr($str, $start);
} else {
$sub = (string) substr($str, $start, $length);
}
if ($sub !== '') {
return $sub;
}
return '';
}
/**
* Compare a 16-character byte string in constant time.
*
* @internal You should not use this directly from another application
*
* @param string $a
* @param string $b
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function verify_16($a, $b)
{
/* Type checks: */
if (!is_string($a)) {
throw new TypeError('String expected');
}
if (!is_string($b)) {
throw new TypeError('String expected');
}
return self::hashEquals(
self::substr($a, 0, 16),
self::substr($b, 0, 16)
);
}
/**
* Compare a 32-character byte string in constant time.
*
* @internal You should not use this directly from another application
*
* @param string $a
* @param string $b
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function verify_32($a, $b)
{
/* Type checks: */
if (!is_string($a)) {
throw new TypeError('String expected');
}
if (!is_string($b)) {
throw new TypeError('String expected');
}
return self::hashEquals(
self::substr($a, 0, 32),
self::substr($b, 0, 32)
);
}
/**
* Calculate $a ^ $b for two strings.
*
* @internal You should not use this directly from another application
*
* @param string $a
* @param string $b
* @return string
* @throws TypeError
*/
public static function xorStrings($a, $b)
{
/* Type checks: */
if (!is_string($a)) {
throw new TypeError('Argument 1 must be a string');
}
if (!is_string($b)) {
throw new TypeError('Argument 2 must be a string');
}
return (string) ($a ^ $b);
}
/**
* Returns whether or not mbstring.func_overload is in effect.
*
* @internal You should not use this directly from another application
*
* Note: MB_OVERLOAD_STRING === 2, but we don't reference the constant
* (for nuisance-free PHP 8 support)
*
* @return bool
*/
protected static function isMbStringOverride()
{
static $mbstring = null;
if ($mbstring === null) {
$mbstring = extension_loaded('mbstring')
&& defined('MB_OVERLOAD_STRING')
&&
((int) (ini_get('mbstring.func_overload')) & 2);
// MB_OVERLOAD_STRING === 2
}
/** @var bool $mbstring */
return $mbstring;
}
}
src/Core/X25519.php 0000644 00000022352 15120157171 0007555 0 ustar 00 > 25;
$h[0] += self::mul($carry9, 19, 5);
$h[9] -= $carry9 << 25;
/** @var int $carry1 */
$carry1 = ($h[1] + (1 << 24)) >> 25;
$h[2] += $carry1;
$h[1] -= $carry1 << 25;
/** @var int $carry3 */
$carry3 = ($h[3] + (1 << 24)) >> 25;
$h[4] += $carry3;
$h[3] -= $carry3 << 25;
/** @var int $carry5 */
$carry5 = ($h[5] + (1 << 24)) >> 25;
$h[6] += $carry5;
$h[5] -= $carry5 << 25;
/** @var int $carry7 */
$carry7 = ($h[7] + (1 << 24)) >> 25;
$h[8] += $carry7;
$h[7] -= $carry7 << 25;
/** @var int $carry0 */
$carry0 = ($h[0] + (1 << 25)) >> 26;
$h[1] += $carry0;
$h[0] -= $carry0 << 26;
/** @var int $carry2 */
$carry2 = ($h[2] + (1 << 25)) >> 26;
$h[3] += $carry2;
$h[2] -= $carry2 << 26;
/** @var int $carry4 */
$carry4 = ($h[4] + (1 << 25)) >> 26;
$h[5] += $carry4;
$h[4] -= $carry4 << 26;
/** @var int $carry6 */
$carry6 = ($h[6] + (1 << 25)) >> 26;
$h[7] += $carry6;
$h[6] -= $carry6 << 26;
/** @var int $carry8 */
$carry8 = ($h[8] + (1 << 25)) >> 26;
$h[9] += $carry8;
$h[8] -= $carry8 << 26;
foreach ($h as $i => $value) {
$h[$i] = (int) $value;
}
return ParagonIE_Sodium_Core_Curve25519_Fe::fromArray($h);
}
/**
* @internal You should not use this directly from another application
*
* Inline comments preceded by # are from libsodium's ref10 code.
*
* @param string $n
* @param string $p
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function crypto_scalarmult_curve25519_ref10($n, $p)
{
# for (i = 0;i < 32;++i) e[i] = n[i];
$e = '' . $n;
# e[0] &= 248;
$e[0] = self::intToChr(
self::chrToInt($e[0]) & 248
);
# e[31] &= 127;
# e[31] |= 64;
$e[31] = self::intToChr(
(self::chrToInt($e[31]) & 127) | 64
);
# fe_frombytes(x1,p);
$x1 = self::fe_frombytes($p);
# fe_1(x2);
$x2 = self::fe_1();
# fe_0(z2);
$z2 = self::fe_0();
# fe_copy(x3,x1);
$x3 = self::fe_copy($x1);
# fe_1(z3);
$z3 = self::fe_1();
# swap = 0;
/** @var int $swap */
$swap = 0;
# for (pos = 254;pos >= 0;--pos) {
for ($pos = 254; $pos >= 0; --$pos) {
# b = e[pos / 8] >> (pos & 7);
/** @var int $b */
$b = self::chrToInt(
$e[(int) floor($pos / 8)]
) >> ($pos & 7);
# b &= 1;
$b &= 1;
# swap ^= b;
$swap ^= $b;
# fe_cswap(x2,x3,swap);
self::fe_cswap($x2, $x3, $swap);
# fe_cswap(z2,z3,swap);
self::fe_cswap($z2, $z3, $swap);
# swap = b;
$swap = $b;
# fe_sub(tmp0,x3,z3);
$tmp0 = self::fe_sub($x3, $z3);
# fe_sub(tmp1,x2,z2);
$tmp1 = self::fe_sub($x2, $z2);
# fe_add(x2,x2,z2);
$x2 = self::fe_add($x2, $z2);
# fe_add(z2,x3,z3);
$z2 = self::fe_add($x3, $z3);
# fe_mul(z3,tmp0,x2);
$z3 = self::fe_mul($tmp0, $x2);
# fe_mul(z2,z2,tmp1);
$z2 = self::fe_mul($z2, $tmp1);
# fe_sq(tmp0,tmp1);
$tmp0 = self::fe_sq($tmp1);
# fe_sq(tmp1,x2);
$tmp1 = self::fe_sq($x2);
# fe_add(x3,z3,z2);
$x3 = self::fe_add($z3, $z2);
# fe_sub(z2,z3,z2);
$z2 = self::fe_sub($z3, $z2);
# fe_mul(x2,tmp1,tmp0);
$x2 = self::fe_mul($tmp1, $tmp0);
# fe_sub(tmp1,tmp1,tmp0);
$tmp1 = self::fe_sub($tmp1, $tmp0);
# fe_sq(z2,z2);
$z2 = self::fe_sq($z2);
# fe_mul121666(z3,tmp1);
$z3 = self::fe_mul121666($tmp1);
# fe_sq(x3,x3);
$x3 = self::fe_sq($x3);
# fe_add(tmp0,tmp0,z3);
$tmp0 = self::fe_add($tmp0, $z3);
# fe_mul(z3,x1,z2);
$z3 = self::fe_mul($x1, $z2);
# fe_mul(z2,tmp1,tmp0);
$z2 = self::fe_mul($tmp1, $tmp0);
}
# fe_cswap(x2,x3,swap);
self::fe_cswap($x2, $x3, $swap);
# fe_cswap(z2,z3,swap);
self::fe_cswap($z2, $z3, $swap);
# fe_invert(z2,z2);
$z2 = self::fe_invert($z2);
# fe_mul(x2,x2,z2);
$x2 = self::fe_mul($x2, $z2);
# fe_tobytes(q,x2);
return self::fe_tobytes($x2);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core_Curve25519_Fe $edwardsY
* @param ParagonIE_Sodium_Core_Curve25519_Fe $edwardsZ
* @return ParagonIE_Sodium_Core_Curve25519_Fe
*/
public static function edwards_to_montgomery(
ParagonIE_Sodium_Core_Curve25519_Fe $edwardsY,
ParagonIE_Sodium_Core_Curve25519_Fe $edwardsZ
) {
$tempX = self::fe_add($edwardsZ, $edwardsY);
$tempZ = self::fe_sub($edwardsZ, $edwardsY);
$tempZ = self::fe_invert($tempZ);
return self::fe_mul($tempX, $tempZ);
}
/**
* @internal You should not use this directly from another application
*
* @param string $n
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function crypto_scalarmult_curve25519_ref10_base($n)
{
# for (i = 0;i < 32;++i) e[i] = n[i];
$e = '' . $n;
# e[0] &= 248;
$e[0] = self::intToChr(
self::chrToInt($e[0]) & 248
);
# e[31] &= 127;
# e[31] |= 64;
$e[31] = self::intToChr(
(self::chrToInt($e[31]) & 127) | 64
);
$A = self::ge_scalarmult_base($e);
if (
!($A->Y instanceof ParagonIE_Sodium_Core_Curve25519_Fe)
||
!($A->Z instanceof ParagonIE_Sodium_Core_Curve25519_Fe)
) {
throw new TypeError('Null points encountered');
}
$pk = self::edwards_to_montgomery($A->Y, $A->Z);
return self::fe_tobytes($pk);
}
}
src/Core/XChaCha20.php 0000644 00000006452 15120157171 0010344 0 ustar 00 > 31) & 1;
}
/**
* @param ParagonIE_Sodium_Core_Curve25519_Fe $u
* @param ParagonIE_Sodium_Core_Curve25519_Fe $v
* @return array{x: ParagonIE_Sodium_Core_Curve25519_Fe, nonsquare: int}
*
* @throws SodiumException
*/
public static function ristretto255_sqrt_ratio_m1(
ParagonIE_Sodium_Core_Curve25519_Fe $u,
ParagonIE_Sodium_Core_Curve25519_Fe $v
) {
$sqrtm1 = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqrtm1);
$v3 = self::fe_mul(
self::fe_sq($v),
$v
); /* v3 = v^3 */
$x = self::fe_mul(
self::fe_mul(
self::fe_sq($v3),
$u
),
$v
); /* x = uv^7 */
$x = self::fe_mul(
self::fe_mul(
self::fe_pow22523($x), /* x = (uv^7)^((q-5)/8) */
$v3
),
$u
); /* x = uv^3(uv^7)^((q-5)/8) */
$vxx = self::fe_mul(
self::fe_sq($x),
$v
); /* vx^2 */
$m_root_check = self::fe_sub($vxx, $u); /* vx^2-u */
$p_root_check = self::fe_add($vxx, $u); /* vx^2+u */
$f_root_check = self::fe_mul($u, $sqrtm1); /* u*sqrt(-1) */
$f_root_check = self::fe_add($vxx, $f_root_check); /* vx^2+u*sqrt(-1) */
$has_m_root = self::fe_iszero($m_root_check);
$has_p_root = self::fe_iszero($p_root_check);
$has_f_root = self::fe_iszero($f_root_check);
$x_sqrtm1 = self::fe_mul($x, $sqrtm1); /* x*sqrt(-1) */
$x = self::fe_abs(
self::fe_cmov($x, $x_sqrtm1, $has_p_root | $has_f_root)
);
return array(
'x' => $x,
'nonsquare' => $has_m_root | $has_p_root
);
}
/**
* @param string $s
* @return int
* @throws SodiumException
*/
public static function ristretto255_point_is_canonical($s)
{
$c = (self::chrToInt($s[31]) & 0x7f) ^ 0x7f;
for ($i = 30; $i > 0; --$i) {
$c |= self::chrToInt($s[$i]) ^ 0xff;
}
$c = ($c - 1) >> 8;
$d = (0xed - 1 - self::chrToInt($s[0])) >> 8;
$e = self::chrToInt($s[31]) >> 7;
return 1 - ((($c & $d) | $e | self::chrToInt($s[0])) & 1);
}
/**
* @param string $s
* @param bool $skipCanonicalCheck
* @return array{h: ParagonIE_Sodium_Core_Curve25519_Ge_P3, res: int}
* @throws SodiumException
*/
public static function ristretto255_frombytes($s, $skipCanonicalCheck = false)
{
if (!$skipCanonicalCheck) {
if (!self::ristretto255_point_is_canonical($s)) {
throw new SodiumException('S is not canonical');
}
}
$s_ = self::fe_frombytes($s);
$ss = self::fe_sq($s_); /* ss = s^2 */
$u1 = self::fe_sub(self::fe_1(), $ss); /* u1 = 1-ss */
$u1u1 = self::fe_sq($u1); /* u1u1 = u1^2 */
$u2 = self::fe_add(self::fe_1(), $ss); /* u2 = 1+ss */
$u2u2 = self::fe_sq($u2); /* u2u2 = u2^2 */
$v = self::fe_mul(
ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$d),
$u1u1
); /* v = d*u1^2 */
$v = self::fe_neg($v); /* v = -d*u1^2 */
$v = self::fe_sub($v, $u2u2); /* v = -(d*u1^2)-u2^2 */
$v_u2u2 = self::fe_mul($v, $u2u2); /* v_u2u2 = v*u2^2 */
// fe25519_1(one);
// notsquare = ristretto255_sqrt_ratio_m1(inv_sqrt, one, v_u2u2);
$one = self::fe_1();
$result = self::ristretto255_sqrt_ratio_m1($one, $v_u2u2);
$inv_sqrt = $result['x'];
$notsquare = $result['nonsquare'];
$h = new ParagonIE_Sodium_Core_Curve25519_Ge_P3();
$h->X = self::fe_mul($inv_sqrt, $u2);
$h->Y = self::fe_mul(self::fe_mul($inv_sqrt, $h->X), $v);
$h->X = self::fe_mul($h->X, $s_);
$h->X = self::fe_abs(
self::fe_add($h->X, $h->X)
);
$h->Y = self::fe_mul($u1, $h->Y);
$h->Z = self::fe_1();
$h->T = self::fe_mul($h->X, $h->Y);
$res = - ((1 - $notsquare) | self::fe_isnegative($h->T) | self::fe_iszero($h->Y));
return array('h' => $h, 'res' => $res);
}
/**
* @param ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h
* @return string
* @throws SodiumException
*/
public static function ristretto255_p3_tobytes(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h)
{
$sqrtm1 = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqrtm1);
$invsqrtamd = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$invsqrtamd);
$u1 = self::fe_add($h->Z, $h->Y); /* u1 = Z+Y */
$zmy = self::fe_sub($h->Z, $h->Y); /* zmy = Z-Y */
$u1 = self::fe_mul($u1, $zmy); /* u1 = (Z+Y)*(Z-Y) */
$u2 = self::fe_mul($h->X, $h->Y); /* u2 = X*Y */
$u1_u2u2 = self::fe_mul(self::fe_sq($u2), $u1); /* u1_u2u2 = u1*u2^2 */
$one = self::fe_1();
// fe25519_1(one);
// (void) ristretto255_sqrt_ratio_m1(inv_sqrt, one, u1_u2u2);
$result = self::ristretto255_sqrt_ratio_m1($one, $u1_u2u2);
$inv_sqrt = $result['x'];
$den1 = self::fe_mul($inv_sqrt, $u1); /* den1 = inv_sqrt*u1 */
$den2 = self::fe_mul($inv_sqrt, $u2); /* den2 = inv_sqrt*u2 */
$z_inv = self::fe_mul($h->T, self::fe_mul($den1, $den2)); /* z_inv = den1*den2*T */
$ix = self::fe_mul($h->X, $sqrtm1); /* ix = X*sqrt(-1) */
$iy = self::fe_mul($h->Y, $sqrtm1); /* iy = Y*sqrt(-1) */
$eden = self::fe_mul($den1, $invsqrtamd);
$t_z_inv = self::fe_mul($h->T, $z_inv); /* t_z_inv = T*z_inv */
$rotate = self::fe_isnegative($t_z_inv);
$x_ = self::fe_copy($h->X);
$y_ = self::fe_copy($h->Y);
$den_inv = self::fe_copy($den2);
$x_ = self::fe_cmov($x_, $iy, $rotate);
$y_ = self::fe_cmov($y_, $ix, $rotate);
$den_inv = self::fe_cmov($den_inv, $eden, $rotate);
$x_z_inv = self::fe_mul($x_, $z_inv);
$y_ = self::fe_cneg($y_, self::fe_isnegative($x_z_inv));
// fe25519_sub(s_, h->Z, y_);
// fe25519_mul(s_, den_inv, s_);
// fe25519_abs(s_, s_);
// fe25519_tobytes(s, s_);
return self::fe_tobytes(
self::fe_abs(
self::fe_mul(
$den_inv,
self::fe_sub($h->Z, $y_)
)
)
);
}
/**
* @param ParagonIE_Sodium_Core_Curve25519_Fe $t
* @return ParagonIE_Sodium_Core_Curve25519_Ge_P3
*
* @throws SodiumException
*/
public static function ristretto255_elligator(ParagonIE_Sodium_Core_Curve25519_Fe $t)
{
$sqrtm1 = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqrtm1);
$onemsqd = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$onemsqd);
$d = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$d);
$sqdmone = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqdmone);
$sqrtadm1 = ParagonIE_Sodium_Core_Curve25519_Fe::fromArray(self::$sqrtadm1);
$one = self::fe_1();
$r = self::fe_mul($sqrtm1, self::fe_sq($t)); /* r = sqrt(-1)*t^2 */
$u = self::fe_mul(self::fe_add($r, $one), $onemsqd); /* u = (r+1)*(1-d^2) */
$c = self::fe_neg(self::fe_1()); /* c = -1 */
$rpd = self::fe_add($r, $d); /* rpd = r+d */
$v = self::fe_mul(
self::fe_sub(
$c,
self::fe_mul($r, $d)
),
$rpd
); /* v = (c-r*d)*(r+d) */
$result = self::ristretto255_sqrt_ratio_m1($u, $v);
$s = $result['x'];
$wasnt_square = 1 - $result['nonsquare'];
$s_prime = self::fe_neg(
self::fe_abs(
self::fe_mul($s, $t)
)
); /* s_prime = -|s*t| */
$s = self::fe_cmov($s, $s_prime, $wasnt_square);
$c = self::fe_cmov($c, $r, $wasnt_square);
// fe25519_sub(n, r, one); /* n = r-1 */
// fe25519_mul(n, n, c); /* n = c*(r-1) */
// fe25519_mul(n, n, ed25519_sqdmone); /* n = c*(r-1)*(d-1)^2 */
// fe25519_sub(n, n, v); /* n = c*(r-1)*(d-1)^2-v */
$n = self::fe_sub(
self::fe_mul(
self::fe_mul(
self::fe_sub($r, $one),
$c
),
$sqdmone
),
$v
); /* n = c*(r-1)*(d-1)^2-v */
$w0 = self::fe_mul(
self::fe_add($s, $s),
$v
); /* w0 = 2s*v */
$w1 = self::fe_mul($n, $sqrtadm1); /* w1 = n*sqrt(ad-1) */
$ss = self::fe_sq($s); /* ss = s^2 */
$w2 = self::fe_sub($one, $ss); /* w2 = 1-s^2 */
$w3 = self::fe_add($one, $ss); /* w3 = 1+s^2 */
return new ParagonIE_Sodium_Core_Curve25519_Ge_P3(
self::fe_mul($w0, $w3),
self::fe_mul($w2, $w1),
self::fe_mul($w1, $w3),
self::fe_mul($w0, $w2)
);
}
/**
* @param string $h
* @return string
* @throws SodiumException
*/
public static function ristretto255_from_hash($h)
{
if (self::strlen($h) !== 64) {
throw new SodiumException('Hash must be 64 bytes');
}
//fe25519_frombytes(r0, h);
//fe25519_frombytes(r1, h + 32);
$r0 = self::fe_frombytes(self::substr($h, 0, 32));
$r1 = self::fe_frombytes(self::substr($h, 32, 32));
//ristretto255_elligator(&p0, r0);
//ristretto255_elligator(&p1, r1);
$p0 = self::ristretto255_elligator($r0);
$p1 = self::ristretto255_elligator($r1);
//ge25519_p3_to_cached(&p1_cached, &p1);
//ge25519_add_cached(&p_p1p1, &p0, &p1_cached);
$p_p1p1 = self::ge_add(
$p0,
self::ge_p3_to_cached($p1)
);
//ge25519_p1p1_to_p3(&p, &p_p1p1);
//ristretto255_p3_tobytes(s, &p);
return self::ristretto255_p3_tobytes(
self::ge_p1p1_to_p3($p_p1p1)
);
}
/**
* @param string $p
* @return int
* @throws SodiumException
*/
public static function is_valid_point($p)
{
$result = self::ristretto255_frombytes($p);
if ($result['res'] !== 0) {
return 0;
}
return 1;
}
/**
* @param string $p
* @param string $q
* @return string
* @throws SodiumException
*/
public static function ristretto255_add($p, $q)
{
$p_res = self::ristretto255_frombytes($p);
$q_res = self::ristretto255_frombytes($q);
if ($p_res['res'] !== 0 || $q_res['res'] !== 0) {
throw new SodiumException('Could not add points');
}
$p_p3 = $p_res['h'];
$q_p3 = $q_res['h'];
$q_cached = self::ge_p3_to_cached($q_p3);
$r_p1p1 = self::ge_add($p_p3, $q_cached);
$r_p3 = self::ge_p1p1_to_p3($r_p1p1);
return self::ristretto255_p3_tobytes($r_p3);
}
/**
* @param string $p
* @param string $q
* @return string
* @throws SodiumException
*/
public static function ristretto255_sub($p, $q)
{
$p_res = self::ristretto255_frombytes($p);
$q_res = self::ristretto255_frombytes($q);
if ($p_res['res'] !== 0 || $q_res['res'] !== 0) {
throw new SodiumException('Could not add points');
}
$p_p3 = $p_res['h'];
$q_p3 = $q_res['h'];
$q_cached = self::ge_p3_to_cached($q_p3);
$r_p1p1 = self::ge_sub($p_p3, $q_cached);
$r_p3 = self::ge_p1p1_to_p3($r_p1p1);
return self::ristretto255_p3_tobytes($r_p3);
}
/**
* @param int $hLen
* @param ?string $ctx
* @param string $msg
* @return string
* @throws SodiumException
* @psalm-suppress PossiblyInvalidArgument hash API
*/
protected static function h2c_string_to_hash_sha256($hLen, $ctx, $msg)
{
$h = array_fill(0, $hLen, 0);
$ctx_len = !is_null($ctx) ? self::strlen($ctx) : 0;
if ($hLen > 0xff) {
throw new SodiumException('Hash must be less than 256 bytes');
}
if ($ctx_len > 0xff) {
$st = hash_init('sha256');
self::hash_update($st, "H2C-OVERSIZE-DST-");
self::hash_update($st, $ctx);
$ctx = hash_final($st, true);
$ctx_len = 32;
}
$t = array(0, $hLen, 0);
$ux = str_repeat("\0", 64);
$st = hash_init('sha256');
self::hash_update($st, $ux);
self::hash_update($st, $msg);
self::hash_update($st, self::intArrayToString($t));
self::hash_update($st, $ctx);
self::hash_update($st, self::intToChr($ctx_len));
$u0 = hash_final($st, true);
for ($i = 0; $i < $hLen; $i += 64) {
$ux = self::xorStrings($ux, $u0);
++$t[2];
$st = hash_init('sha256');
self::hash_update($st, $ux);
self::hash_update($st, self::intToChr($t[2]));
self::hash_update($st, $ctx);
self::hash_update($st, self::intToChr($ctx_len));
$ux = hash_final($st, true);
$amount = min($hLen - $i, 64);
for ($j = 0; $j < $amount; ++$j) {
$h[$i + $j] = self::chrToInt($ux[$i]);
}
}
return self::intArrayToString(array_slice($h, 0, $hLen));
}
/**
* @param int $hLen
* @param ?string $ctx
* @param string $msg
* @return string
* @throws SodiumException
* @psalm-suppress PossiblyInvalidArgument hash API
*/
protected static function h2c_string_to_hash_sha512($hLen, $ctx, $msg)
{
$h = array_fill(0, $hLen, 0);
$ctx_len = !is_null($ctx) ? self::strlen($ctx) : 0;
if ($hLen > 0xff) {
throw new SodiumException('Hash must be less than 256 bytes');
}
if ($ctx_len > 0xff) {
$st = hash_init('sha256');
self::hash_update($st, "H2C-OVERSIZE-DST-");
self::hash_update($st, $ctx);
$ctx = hash_final($st, true);
$ctx_len = 32;
}
$t = array(0, $hLen, 0);
$ux = str_repeat("\0", 128);
$st = hash_init('sha512');
self::hash_update($st, $ux);
self::hash_update($st, $msg);
self::hash_update($st, self::intArrayToString($t));
self::hash_update($st, $ctx);
self::hash_update($st, self::intToChr($ctx_len));
$u0 = hash_final($st, true);
for ($i = 0; $i < $hLen; $i += 128) {
$ux = self::xorStrings($ux, $u0);
++$t[2];
$st = hash_init('sha512');
self::hash_update($st, $ux);
self::hash_update($st, self::intToChr($t[2]));
self::hash_update($st, $ctx);
self::hash_update($st, self::intToChr($ctx_len));
$ux = hash_final($st, true);
$amount = min($hLen - $i, 128);
for ($j = 0; $j < $amount; ++$j) {
$h[$i + $j] = self::chrToInt($ux[$i]);
}
}
return self::intArrayToString(array_slice($h, 0, $hLen));
}
/**
* @param int $hLen
* @param ?string $ctx
* @param string $msg
* @param int $hash_alg
* @return string
* @throws SodiumException
*/
public static function h2c_string_to_hash($hLen, $ctx, $msg, $hash_alg)
{
switch ($hash_alg) {
case self::CORE_H2C_SHA256:
return self::h2c_string_to_hash_sha256($hLen, $ctx, $msg);
case self::CORE_H2C_SHA512:
return self::h2c_string_to_hash_sha512($hLen, $ctx, $msg);
default:
throw new SodiumException('Invalid H2C hash algorithm');
}
}
/**
* @param ?string $ctx
* @param string $msg
* @param int $hash_alg
* @return string
* @throws SodiumException
*/
protected static function _string_to_element($ctx, $msg, $hash_alg)
{
return self::ristretto255_from_hash(
self::h2c_string_to_hash(self::crypto_core_ristretto255_HASHBYTES, $ctx, $msg, $hash_alg)
);
}
/**
* @return string
* @throws SodiumException
* @throws Exception
*/
public static function ristretto255_random()
{
return self::ristretto255_from_hash(
ParagonIE_Sodium_Compat::randombytes_buf(self::crypto_core_ristretto255_HASHBYTES)
);
}
/**
* @return string
* @throws SodiumException
*/
public static function ristretto255_scalar_random()
{
return self::scalar_random();
}
/**
* @param string $s
* @return string
* @throws SodiumException
*/
public static function ristretto255_scalar_complement($s)
{
return self::scalar_complement($s);
}
/**
* @param string $s
* @return string
*/
public static function ristretto255_scalar_invert($s)
{
return self::sc25519_invert($s);
}
/**
* @param string $s
* @return string
* @throws SodiumException
*/
public static function ristretto255_scalar_negate($s)
{
return self::scalar_negate($s);
}
/**
* @param string $x
* @param string $y
* @return string
*/
public static function ristretto255_scalar_add($x, $y)
{
return self::scalar_add($x, $y);
}
/**
* @param string $x
* @param string $y
* @return string
*/
public static function ristretto255_scalar_sub($x, $y)
{
return self::scalar_sub($x, $y);
}
/**
* @param string $x
* @param string $y
* @return string
*/
public static function ristretto255_scalar_mul($x, $y)
{
return self::sc25519_mul($x, $y);
}
/**
* @param string $ctx
* @param string $msg
* @param int $hash_alg
* @return string
* @throws SodiumException
*/
public static function ristretto255_scalar_from_string($ctx, $msg, $hash_alg)
{
$h = array_fill(0, 64, 0);
$h_be = self::stringToIntArray(
self::h2c_string_to_hash(
self::HASH_SC_L, $ctx, $msg, $hash_alg
)
);
for ($i = 0; $i < self::HASH_SC_L; ++$i) {
$h[$i] = $h_be[self::HASH_SC_L - 1 - $i];
}
return self::ristretto255_scalar_reduce(self::intArrayToString($h));
}
/**
* @param string $s
* @return string
*/
public static function ristretto255_scalar_reduce($s)
{
return self::sc_reduce($s);
}
/**
* @param string $n
* @param string $p
* @return string
* @throws SodiumException
*/
public static function scalarmult_ristretto255($n, $p)
{
if (self::strlen($n) !== 32) {
throw new SodiumException('Scalar must be 32 bytes, ' . self::strlen($p) . ' given.');
}
if (self::strlen($p) !== 32) {
throw new SodiumException('Point must be 32 bytes, ' . self::strlen($p) . ' given.');
}
$result = self::ristretto255_frombytes($p);
if ($result['res'] !== 0) {
throw new SodiumException('Could not multiply points');
}
$P = $result['h'];
$t = self::stringToIntArray($n);
$t[31] &= 0x7f;
$Q = self::ge_scalarmult(self::intArrayToString($t), $P);
$q = self::ristretto255_p3_tobytes($Q);
if (ParagonIE_Sodium_Compat::is_zero($q)) {
throw new SodiumException('An unknown error has occurred');
}
return $q;
}
/**
* @param string $n
* @return string
* @throws SodiumException
*/
public static function scalarmult_ristretto255_base($n)
{
$t = self::stringToIntArray($n);
$t[31] &= 0x7f;
$Q = self::ge_scalarmult_base(self::intArrayToString($t));
$q = self::ristretto255_p3_tobytes($Q);
if (ParagonIE_Sodium_Compat::is_zero($q)) {
throw new SodiumException('An unknown error has occurred');
}
return $q;
}
}
src/Core/error_log 0000644 00000054076 15120157171 0010154 0 ustar 00 [27-Oct-2025 14:00:54 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Salsa20.php on line 10
[27-Oct-2025 14:00:55 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ed25519.php on line 10
[27-Oct-2025 14:00:55 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/SipHash.php on line 12
[27-Oct-2025 14:00:55 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Salsa20.php on line 10
[27-Oct-2025 14:00:56 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ed25519.php on line 10
[27-Oct-2025 14:00:56 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HSalsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XSalsa20.php on line 10
[27-Oct-2025 14:00:56 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/SipHash.php on line 12
[27-Oct-2025 14:00:56 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/BLAKE2b.php on line 12
[27-Oct-2025 14:00:57 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XChaCha20.php on line 10
[27-Oct-2025 14:00:57 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HSalsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XSalsa20.php on line 10
[27-Oct-2025 14:00:57 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HChaCha20.php on line 10
[27-Oct-2025 14:00:57 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/BLAKE2b.php on line 12
[27-Oct-2025 14:00:57 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Ed25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ristretto255.php on line 6
[27-Oct-2025 14:00:57 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XChaCha20.php on line 10
[27-Oct-2025 14:00:58 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305.php on line 10
[27-Oct-2025 14:00:58 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HChaCha20.php on line 10
[27-Oct-2025 14:00:58 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20.php on line 10
[27-Oct-2025 14:00:58 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Ed25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ristretto255.php on line 6
[27-Oct-2025 14:00:58 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Salsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HSalsa20.php on line 10
[27-Oct-2025 14:00:58 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305.php on line 10
[27-Oct-2025 14:00:58 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/X25519.php on line 10
[27-Oct-2025 14:00:59 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20.php on line 10
[27-Oct-2025 14:00:59 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519_H' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519.php on line 16
[27-Oct-2025 14:00:59 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Salsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HSalsa20.php on line 10
[27-Oct-2025 14:00:59 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/X25519.php on line 10
[27-Oct-2025 14:01:00 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519_H' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519.php on line 16
[27-Oct-2025 16:25:05 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/BLAKE2b.php on line 12
[27-Oct-2025 16:25:05 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519_H' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519.php on line 16
[27-Oct-2025 16:25:06 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/BLAKE2b.php on line 12
[27-Oct-2025 16:25:06 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Ed25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ristretto255.php on line 6
[27-Oct-2025 16:25:06 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519_H' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519.php on line 16
[27-Oct-2025 16:25:06 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XChaCha20.php on line 10
[27-Oct-2025 16:25:07 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HSalsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XSalsa20.php on line 10
[27-Oct-2025 16:25:07 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/X25519.php on line 10
[27-Oct-2025 16:25:07 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Ed25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ristretto255.php on line 6
[27-Oct-2025 16:25:07 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20.php on line 10
[27-Oct-2025 16:25:07 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XChaCha20.php on line 10
[27-Oct-2025 16:25:08 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HChaCha20.php on line 10
[27-Oct-2025 16:25:08 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Salsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HSalsa20.php on line 10
[27-Oct-2025 16:25:08 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HSalsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XSalsa20.php on line 10
[27-Oct-2025 16:25:08 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ed25519.php on line 10
[27-Oct-2025 16:25:08 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/X25519.php on line 10
[27-Oct-2025 16:25:09 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Salsa20.php on line 10
[27-Oct-2025 16:25:09 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20.php on line 10
[27-Oct-2025 16:25:09 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/SipHash.php on line 12
[27-Oct-2025 16:25:09 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HChaCha20.php on line 10
[27-Oct-2025 16:25:09 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Salsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HSalsa20.php on line 10
[27-Oct-2025 16:25:09 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305.php on line 10
[27-Oct-2025 16:25:10 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ed25519.php on line 10
[27-Oct-2025 16:25:10 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Salsa20.php on line 10
[27-Oct-2025 16:25:10 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/SipHash.php on line 12
[27-Oct-2025 16:25:11 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305.php on line 10
[27-Oct-2025 22:57:27 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XChaCha20.php on line 10
[27-Oct-2025 22:57:27 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/SipHash.php on line 12
[27-Oct-2025 22:57:27 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Salsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HSalsa20.php on line 10
[27-Oct-2025 22:57:28 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/BLAKE2b.php on line 12
[27-Oct-2025 22:57:28 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Ed25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ristretto255.php on line 6
[27-Oct-2025 22:57:28 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ed25519.php on line 10
[27-Oct-2025 22:57:29 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20.php on line 10
[27-Oct-2025 22:57:29 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/X25519.php on line 10
[27-Oct-2025 22:57:29 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Salsa20.php on line 10
[27-Oct-2025 22:57:30 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519_H' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519.php on line 16
[27-Oct-2025 22:57:30 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305.php on line 10
[27-Oct-2025 22:57:31 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HSalsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XSalsa20.php on line 10
[27-Oct-2025 22:57:31 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HChaCha20.php on line 10
[27-Oct-2025 22:57:36 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XChaCha20.php on line 10
[27-Oct-2025 22:57:37 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/SipHash.php on line 12
[27-Oct-2025 22:57:37 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Salsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HSalsa20.php on line 10
[27-Oct-2025 22:57:37 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/BLAKE2b.php on line 12
[27-Oct-2025 22:57:37 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Ed25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ristretto255.php on line 6
[27-Oct-2025 22:57:38 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ed25519.php on line 10
[27-Oct-2025 22:57:38 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20.php on line 10
[27-Oct-2025 22:57:38 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/X25519.php on line 10
[27-Oct-2025 22:57:39 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Salsa20.php on line 10
[27-Oct-2025 22:57:39 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519_H' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519.php on line 16
[27-Oct-2025 22:57:40 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305.php on line 10
[27-Oct-2025 22:57:40 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HSalsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XSalsa20.php on line 10
[27-Oct-2025 22:57:40 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HChaCha20.php on line 10
[12-Dec-2025 13:27:41 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20.php on line 11
[12-Dec-2025 13:27:41 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ed25519.php on line 11
[12-Dec-2025 13:27:42 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Ed25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ristretto255.php on line 7
[12-Dec-2025 13:27:42 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HChaCha20.php on line 11
[12-Dec-2025 13:27:43 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HSalsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XSalsa20.php on line 11
[12-Dec-2025 13:27:43 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519_H' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519.php on line 17
[12-Dec-2025 13:27:44 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/X25519.php on line 11
[12-Dec-2025 13:27:44 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/SipHash.php on line 13
[12-Dec-2025 13:27:45 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Salsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HSalsa20.php on line 11
[12-Dec-2025 13:27:45 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Salsa20.php on line 11
[12-Dec-2025 13:27:46 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/BLAKE2b.php on line 13
[12-Dec-2025 13:27:46 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305.php on line 11
[12-Dec-2025 13:27:47 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XChaCha20.php on line 11
[12-Dec-2025 19:04:22 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Salsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HSalsa20.php on line 11
[12-Dec-2025 19:04:22 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519_H' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519.php on line 17
[12-Dec-2025 19:04:23 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Ed25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ristretto255.php on line 7
[12-Dec-2025 19:04:23 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ed25519.php on line 11
[12-Dec-2025 19:04:23 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Salsa20.php on line 11
[12-Dec-2025 19:04:24 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20.php on line 11
[12-Dec-2025 19:04:24 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305.php on line 11
[12-Dec-2025 19:04:25 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XChaCha20.php on line 11
[12-Dec-2025 19:04:25 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HSalsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XSalsa20.php on line 11
[12-Dec-2025 19:04:25 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/SipHash.php on line 13
[12-Dec-2025 19:04:26 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/X25519.php on line 11
[12-Dec-2025 19:04:26 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HChaCha20.php on line 11
[12-Dec-2025 19:04:26 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/BLAKE2b.php on line 13
[12-Dec-2025 19:04:36 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Salsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HSalsa20.php on line 11
[12-Dec-2025 19:04:37 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519_H' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Curve25519.php on line 17
[12-Dec-2025 19:04:37 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Ed25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ristretto255.php on line 7
[12-Dec-2025 19:04:37 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Ed25519.php on line 11
[12-Dec-2025 19:04:38 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Salsa20.php on line 11
[12-Dec-2025 19:04:38 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/ChaCha20.php on line 11
[12-Dec-2025 19:04:39 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/Poly1305.php on line 11
[12-Dec-2025 19:04:39 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XChaCha20.php on line 11
[12-Dec-2025 19:04:39 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_HSalsa20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/XSalsa20.php on line 11
[12-Dec-2025 19:04:40 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/SipHash.php on line 13
[12-Dec-2025 19:04:40 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/X25519.php on line 11
[12-Dec-2025 19:04:40 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_ChaCha20' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/HChaCha20.php on line 11
[12-Dec-2025 19:04:41 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core/BLAKE2b.php on line 13
src/Core32/BLAKE2b.php 0000644 00000053464 15120157171 0010157 0 ustar 00 >
*/
public static $sigma = array(
array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3),
array( 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4),
array( 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8),
array( 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13),
array( 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9),
array( 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11),
array( 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10),
array( 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5),
array( 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0),
array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3)
);
const BLOCKBYTES = 128;
const OUTBYTES = 64;
const KEYBYTES = 64;
/**
* Turn two 32-bit integers into a fixed array representing a 64-bit integer.
*
* @internal You should not use this directly from another application
*
* @param int $high
* @param int $low
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
*/
public static function new64($high, $low)
{
return ParagonIE_Sodium_Core32_Int64::fromInts($low, $high);
}
/**
* Convert an arbitrary number into an SplFixedArray of two 32-bit integers
* that represents a 64-bit integer.
*
* @internal You should not use this directly from another application
*
* @param int $num
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
*/
protected static function to64($num)
{
list($hi, $lo) = self::numericTo64BitInteger($num);
return self::new64($hi, $lo);
}
/**
* Adds two 64-bit integers together, returning their sum as a SplFixedArray
* containing two 32-bit integers (representing a 64-bit integer).
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Int64 $x
* @param ParagonIE_Sodium_Core32_Int64 $y
* @return ParagonIE_Sodium_Core32_Int64
*/
protected static function add64($x, $y)
{
return $x->addInt64($y);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Int64 $x
* @param ParagonIE_Sodium_Core32_Int64 $y
* @param ParagonIE_Sodium_Core32_Int64 $z
* @return ParagonIE_Sodium_Core32_Int64
*/
public static function add364($x, $y, $z)
{
return $x->addInt64($y)->addInt64($z);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Int64 $x
* @param ParagonIE_Sodium_Core32_Int64 $y
* @return ParagonIE_Sodium_Core32_Int64
* @throws TypeError
*/
public static function xor64(ParagonIE_Sodium_Core32_Int64 $x, ParagonIE_Sodium_Core32_Int64 $y)
{
return $x->xorInt64($y);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Int64 $x
* @param int $c
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
*/
public static function rotr64(ParagonIE_Sodium_Core32_Int64 $x, $c)
{
return $x->rotateRight($c);
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $x
* @param int $i
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
*/
public static function load64($x, $i)
{
/** @var int $l */
$l = (int) ($x[$i])
| ((int) ($x[$i+1]) << 8)
| ((int) ($x[$i+2]) << 16)
| ((int) ($x[$i+3]) << 24);
/** @var int $h */
$h = (int) ($x[$i+4])
| ((int) ($x[$i+5]) << 8)
| ((int) ($x[$i+6]) << 16)
| ((int) ($x[$i+7]) << 24);
return self::new64($h, $l);
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $x
* @param int $i
* @param ParagonIE_Sodium_Core32_Int64 $u
* @return void
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
*/
public static function store64(SplFixedArray $x, $i, ParagonIE_Sodium_Core32_Int64 $u)
{
$v = clone $u;
$maxLength = $x->getSize() - 1;
for ($j = 0; $j < 8; ++$j) {
$k = 3 - ($j >> 1);
$x[$i] = $v->limbs[$k] & 0xff;
if (++$i > $maxLength) {
return;
}
$v->limbs[$k] >>= 8;
}
}
/**
* This just sets the $iv static variable.
*
* @internal You should not use this directly from another application
*
* @return void
* @throws SodiumException
* @throws TypeError
*/
public static function pseudoConstructor()
{
static $called = false;
if ($called) {
return;
}
self::$iv = new SplFixedArray(8);
self::$iv[0] = self::new64(0x6a09e667, 0xf3bcc908);
self::$iv[1] = self::new64(0xbb67ae85, 0x84caa73b);
self::$iv[2] = self::new64(0x3c6ef372, 0xfe94f82b);
self::$iv[3] = self::new64(0xa54ff53a, 0x5f1d36f1);
self::$iv[4] = self::new64(0x510e527f, 0xade682d1);
self::$iv[5] = self::new64(0x9b05688c, 0x2b3e6c1f);
self::$iv[6] = self::new64(0x1f83d9ab, 0xfb41bd6b);
self::$iv[7] = self::new64(0x5be0cd19, 0x137e2179);
$called = true;
}
/**
* Returns a fresh BLAKE2 context.
*
* @internal You should not use this directly from another application
*
* @return SplFixedArray
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
* @throws SodiumException
* @throws TypeError
*/
protected static function context()
{
$ctx = new SplFixedArray(6);
$ctx[0] = new SplFixedArray(8); // h
$ctx[1] = new SplFixedArray(2); // t
$ctx[2] = new SplFixedArray(2); // f
$ctx[3] = new SplFixedArray(256); // buf
$ctx[4] = 0; // buflen
$ctx[5] = 0; // last_node (uint8_t)
for ($i = 8; $i--;) {
$ctx[0][$i] = self::$iv[$i];
}
for ($i = 256; $i--;) {
$ctx[3][$i] = 0;
}
$zero = self::new64(0, 0);
$ctx[1][0] = $zero;
$ctx[1][1] = $zero;
$ctx[2][0] = $zero;
$ctx[2][1] = $zero;
return $ctx;
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @param SplFixedArray $buf
* @return void
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedAssignment
*/
protected static function compress(SplFixedArray $ctx, SplFixedArray $buf)
{
$m = new SplFixedArray(16);
$v = new SplFixedArray(16);
for ($i = 16; $i--;) {
$m[$i] = self::load64($buf, $i << 3);
}
for ($i = 8; $i--;) {
$v[$i] = $ctx[0][$i];
}
$v[ 8] = self::$iv[0];
$v[ 9] = self::$iv[1];
$v[10] = self::$iv[2];
$v[11] = self::$iv[3];
$v[12] = self::xor64($ctx[1][0], self::$iv[4]);
$v[13] = self::xor64($ctx[1][1], self::$iv[5]);
$v[14] = self::xor64($ctx[2][0], self::$iv[6]);
$v[15] = self::xor64($ctx[2][1], self::$iv[7]);
for ($r = 0; $r < 12; ++$r) {
$v = self::G($r, 0, 0, 4, 8, 12, $v, $m);
$v = self::G($r, 1, 1, 5, 9, 13, $v, $m);
$v = self::G($r, 2, 2, 6, 10, 14, $v, $m);
$v = self::G($r, 3, 3, 7, 11, 15, $v, $m);
$v = self::G($r, 4, 0, 5, 10, 15, $v, $m);
$v = self::G($r, 5, 1, 6, 11, 12, $v, $m);
$v = self::G($r, 6, 2, 7, 8, 13, $v, $m);
$v = self::G($r, 7, 3, 4, 9, 14, $v, $m);
}
for ($i = 8; $i--;) {
$ctx[0][$i] = self::xor64(
$ctx[0][$i], self::xor64($v[$i], $v[$i+8])
);
}
}
/**
* @internal You should not use this directly from another application
*
* @param int $r
* @param int $i
* @param int $a
* @param int $b
* @param int $c
* @param int $d
* @param SplFixedArray $v
* @param SplFixedArray $m
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayOffset
*/
public static function G($r, $i, $a, $b, $c, $d, SplFixedArray $v, SplFixedArray $m)
{
$v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][$i << 1]]);
$v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 32);
$v[$c] = self::add64($v[$c], $v[$d]);
$v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 24);
$v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][($i << 1) + 1]]);
$v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 16);
$v[$c] = self::add64($v[$c], $v[$d]);
$v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 63);
return $v;
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @param int $inc
* @return void
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
*/
public static function increment_counter($ctx, $inc)
{
if ($inc < 0) {
throw new SodiumException('Increasing by a negative number makes no sense.');
}
$t = self::to64($inc);
# S->t is $ctx[1] in our implementation
# S->t[0] = ( uint64_t )( t >> 0 );
$ctx[1][0] = self::add64($ctx[1][0], $t);
# S->t[1] += ( S->t[0] < inc );
if (!($ctx[1][0] instanceof ParagonIE_Sodium_Core32_Int64)) {
throw new TypeError('Not an int64');
}
/** @var ParagonIE_Sodium_Core32_Int64 $c*/
$c = $ctx[1][0];
if ($c->isLessThanInt($inc)) {
$ctx[1][1] = self::add64($ctx[1][1], self::to64(1));
}
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @param SplFixedArray $p
* @param int $plen
* @return void
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
* @psalm-suppress MixedMethodCall
* @psalm-suppress MixedOperand
*/
public static function update(SplFixedArray $ctx, SplFixedArray $p, $plen)
{
self::pseudoConstructor();
$offset = 0;
while ($plen > 0) {
$left = $ctx[4];
$fill = 256 - $left;
if ($plen > $fill) {
# memcpy( S->buf + left, in, fill ); /* Fill buffer */
for ($i = $fill; $i--;) {
$ctx[3][$i + $left] = $p[$i + $offset];
}
# S->buflen += fill;
$ctx[4] += $fill;
# blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
self::increment_counter($ctx, 128);
# blake2b_compress( S, S->buf ); /* Compress */
self::compress($ctx, $ctx[3]);
# memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES ); /* Shift buffer left */
for ($i = 128; $i--;) {
$ctx[3][$i] = $ctx[3][$i + 128];
}
# S->buflen -= BLAKE2B_BLOCKBYTES;
$ctx[4] -= 128;
# in += fill;
$offset += $fill;
# inlen -= fill;
$plen -= $fill;
} else {
for ($i = $plen; $i--;) {
$ctx[3][$i + $left] = $p[$i + $offset];
}
$ctx[4] += $plen;
$offset += $plen;
$plen -= $plen;
}
}
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @param SplFixedArray $out
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
* @psalm-suppress MixedMethodCall
* @psalm-suppress MixedOperand
*/
public static function finish(SplFixedArray $ctx, SplFixedArray $out)
{
self::pseudoConstructor();
if ($ctx[4] > 128) {
self::increment_counter($ctx, 128);
self::compress($ctx, $ctx[3]);
$ctx[4] -= 128;
if ($ctx[4] > 128) {
throw new SodiumException('Failed to assert that buflen <= 128 bytes');
}
for ($i = $ctx[4]; $i--;) {
$ctx[3][$i] = $ctx[3][$i + 128];
}
}
self::increment_counter($ctx, $ctx[4]);
$ctx[2][0] = self::new64(0xffffffff, 0xffffffff);
for ($i = 256 - $ctx[4]; $i--;) {
/** @var int $i */
$ctx[3][$i + $ctx[4]] = 0;
}
self::compress($ctx, $ctx[3]);
$i = (int) (($out->getSize() - 1) / 8);
for (; $i >= 0; --$i) {
self::store64($out, $i << 3, $ctx[0][$i]);
}
return $out;
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray|null $key
* @param int $outlen
* @param SplFixedArray|null $salt
* @param SplFixedArray|null $personal
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedMethodCall
*/
public static function init(
$key = null,
$outlen = 64,
$salt = null,
$personal = null
) {
self::pseudoConstructor();
$klen = 0;
if ($key !== null) {
if (count($key) > 64) {
throw new SodiumException('Invalid key size');
}
$klen = count($key);
}
if ($outlen > 64) {
throw new SodiumException('Invalid output size');
}
$ctx = self::context();
$p = new SplFixedArray(64);
// Zero our param buffer...
for ($i = 64; --$i;) {
$p[$i] = 0;
}
$p[0] = $outlen; // digest_length
$p[1] = $klen; // key_length
$p[2] = 1; // fanout
$p[3] = 1; // depth
if ($salt instanceof SplFixedArray) {
// salt: [32] through [47]
for ($i = 0; $i < 16; ++$i) {
$p[32 + $i] = (int) $salt[$i];
}
}
if ($personal instanceof SplFixedArray) {
// personal: [48] through [63]
for ($i = 0; $i < 16; ++$i) {
$p[48 + $i] = (int) $personal[$i];
}
}
$ctx[0][0] = self::xor64(
$ctx[0][0],
self::load64($p, 0)
);
if ($salt instanceof SplFixedArray || $personal instanceof SplFixedArray) {
// We need to do what blake2b_init_param() does:
for ($i = 1; $i < 8; ++$i) {
$ctx[0][$i] = self::xor64(
$ctx[0][$i],
self::load64($p, $i << 3)
);
}
}
if ($klen > 0 && $key instanceof SplFixedArray) {
$block = new SplFixedArray(128);
for ($i = 128; $i--;) {
$block[$i] = 0;
}
for ($i = $klen; $i--;) {
$block[$i] = $key[$i];
}
self::update($ctx, $block, 128);
$ctx[4] = 128;
}
return $ctx;
}
/**
* Convert a string into an SplFixedArray of integers
*
* @internal You should not use this directly from another application
*
* @param string $str
* @return SplFixedArray
* @psalm-suppress MixedArgumentTypeCoercion
*/
public static function stringToSplFixedArray($str = '')
{
$values = unpack('C*', $str);
return SplFixedArray::fromArray(array_values($values));
}
/**
* Convert an SplFixedArray of integers into a string
*
* @internal You should not use this directly from another application
*
* @param SplFixedArray $a
* @return string
*/
public static function SplFixedArrayToString(SplFixedArray $a)
{
/**
* @var array
*/
$arr = $a->toArray();
$c = $a->count();
array_unshift($arr, str_repeat('C', $c));
return (string) (call_user_func_array('pack', $arr));
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @return string
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedMethodCall
*/
public static function contextToString(SplFixedArray $ctx)
{
$str = '';
/** @var array $ctxA */
$ctxA = $ctx[0]->toArray();
# uint64_t h[8];
for ($i = 0; $i < 8; ++$i) {
if (!($ctxA[$i] instanceof ParagonIE_Sodium_Core32_Int64)) {
throw new TypeError('Not an instance of Int64');
}
/** @var ParagonIE_Sodium_Core32_Int64 $ctxAi */
$ctxAi = $ctxA[$i];
$str .= $ctxAi->toReverseString();
}
# uint64_t t[2];
# uint64_t f[2];
for ($i = 1; $i < 3; ++$i) {
/** @var array $ctxA */
$ctxA = $ctx[$i]->toArray();
/** @var ParagonIE_Sodium_Core32_Int64 $ctxA1 */
$ctxA1 = $ctxA[0];
/** @var ParagonIE_Sodium_Core32_Int64 $ctxA2 */
$ctxA2 = $ctxA[1];
$str .= $ctxA1->toReverseString();
$str .= $ctxA2->toReverseString();
}
# uint8_t buf[2 * 128];
$str .= self::SplFixedArrayToString($ctx[3]);
/** @var int $ctx4 */
$ctx4 = $ctx[4];
# size_t buflen;
$str .= implode('', array(
self::intToChr($ctx4 & 0xff),
self::intToChr(($ctx4 >> 8) & 0xff),
self::intToChr(($ctx4 >> 16) & 0xff),
self::intToChr(($ctx4 >> 24) & 0xff),
"\x00\x00\x00\x00"
/*
self::intToChr(($ctx4 >> 32) & 0xff),
self::intToChr(($ctx4 >> 40) & 0xff),
self::intToChr(($ctx4 >> 48) & 0xff),
self::intToChr(($ctx4 >> 56) & 0xff)
*/
));
# uint8_t last_node;
return $str . self::intToChr($ctx[5]) . str_repeat("\x00", 23);
}
/**
* Creates an SplFixedArray containing other SplFixedArray elements, from
* a string (compatible with \Sodium\crypto_generichash_{init, update, final})
*
* @internal You should not use this directly from another application
*
* @param string $string
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
*/
public static function stringToContext($string)
{
$ctx = self::context();
# uint64_t h[8];
for ($i = 0; $i < 8; ++$i) {
$ctx[0][$i] = ParagonIE_Sodium_Core32_Int64::fromReverseString(
self::substr($string, (($i << 3) + 0), 8)
);
}
# uint64_t t[2];
# uint64_t f[2];
for ($i = 1; $i < 3; ++$i) {
$ctx[$i][1] = ParagonIE_Sodium_Core32_Int64::fromReverseString(
self::substr($string, 72 + (($i - 1) << 4), 8)
);
$ctx[$i][0] = ParagonIE_Sodium_Core32_Int64::fromReverseString(
self::substr($string, 64 + (($i - 1) << 4), 8)
);
}
# uint8_t buf[2 * 128];
$ctx[3] = self::stringToSplFixedArray(self::substr($string, 96, 256));
# uint8_t buf[2 * 128];
$int = 0;
for ($i = 0; $i < 8; ++$i) {
$int |= self::chrToInt($string[352 + $i]) << ($i << 3);
}
$ctx[4] = $int;
return $ctx;
}
}
src/Core32/ChaCha20/Ctx.php 0000644 00000011270 15120157171 0011111 0 ustar 00
*/
protected $container;
/**
* ParagonIE_Sodium_Core_ChaCha20_Ctx constructor.
*
* @internal You should not use this directly from another application
*
* @param string $key ChaCha20 key.
* @param string $iv Initialization Vector (a.k.a. nonce).
* @param string $counter The initial counter value.
* Defaults to 8 0x00 bytes.
* @throws InvalidArgumentException
* @throws SodiumException
* @throws TypeError
*/
public function __construct($key = '', $iv = '', $counter = '')
{
if (self::strlen($key) !== 32) {
throw new InvalidArgumentException('ChaCha20 expects a 256-bit key.');
}
if (self::strlen($iv) !== 8) {
throw new InvalidArgumentException('ChaCha20 expects a 64-bit nonce.');
}
$this->container = new SplFixedArray(16);
/* "expand 32-byte k" as per ChaCha20 spec */
$this->container[0] = new ParagonIE_Sodium_Core32_Int32(array(0x6170, 0x7865));
$this->container[1] = new ParagonIE_Sodium_Core32_Int32(array(0x3320, 0x646e));
$this->container[2] = new ParagonIE_Sodium_Core32_Int32(array(0x7962, 0x2d32));
$this->container[3] = new ParagonIE_Sodium_Core32_Int32(array(0x6b20, 0x6574));
$this->container[4] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4));
$this->container[5] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 4, 4));
$this->container[6] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 8, 4));
$this->container[7] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4));
$this->container[8] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4));
$this->container[9] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4));
$this->container[10] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4));
$this->container[11] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4));
if (empty($counter)) {
$this->container[12] = new ParagonIE_Sodium_Core32_Int32();
$this->container[13] = new ParagonIE_Sodium_Core32_Int32();
} else {
$this->container[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 0, 4));
$this->container[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 4, 4));
}
$this->container[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 0, 4));
$this->container[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 4, 4));
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @param int|ParagonIE_Sodium_Core32_Int32 $value
* @return void
*/
public function offsetSet($offset, $value)
{
if (!is_int($offset)) {
throw new InvalidArgumentException('Expected an integer');
}
if ($value instanceof ParagonIE_Sodium_Core32_Int32) {
/*
} elseif (is_int($value)) {
$value = ParagonIE_Sodium_Core32_Int32::fromInt($value);
*/
} else {
throw new InvalidArgumentException('Expected an integer');
}
$this->container[$offset] = $value;
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @return bool
* @psalm-suppress MixedArrayOffset
*/
public function offsetExists($offset)
{
return isset($this->container[$offset]);
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @return void
* @psalm-suppress MixedArrayOffset
*/
public function offsetUnset($offset)
{
unset($this->container[$offset]);
}
/**
* @internal You should not use this directly from another application
*
* @param int $offset
* @return mixed|null
* @psalm-suppress MixedArrayOffset
*/
public function offsetGet($offset)
{
return isset($this->container[$offset])
? $this->container[$offset]
: null;
}
}
src/Core32/ChaCha20/IetfCtx.php 0000644 00000002737 15120157171 0011731 0 ustar 00 container[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 0, 4));
}
$this->container[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 0, 4));
$this->container[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 4, 4));
$this->container[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 8, 4));
}
}
src/Core32/ChaCha20/error_log 0000644 00000006300 15120157171 0011555 0 ustar 00 [27-Oct-2025 14:01:16 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[27-Oct-2025 14:01:16 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[27-Oct-2025 14:01:16 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[27-Oct-2025 14:01:16 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[27-Oct-2025 16:25:25 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[27-Oct-2025 16:25:25 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[27-Oct-2025 16:25:25 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[27-Oct-2025 16:25:26 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[27-Oct-2025 22:57:47 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[27-Oct-2025 22:57:48 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[27-Oct-2025 22:57:56 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 10
[27-Oct-2025 22:57:57 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[12-Dec-2025 19:04:39 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[12-Dec-2025 19:04:40 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 11
[12-Dec-2025 19:04:53 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/Ctx.php on line 10
[12-Dec-2025 19:04:54 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_ChaCha20_Ctx' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/ChaCha20/IetfCtx.php on line 11
src/Core32/ChaCha20.php 0000644 00000034257 15120157171 0010365 0 ustar 00
* @throws SodiumException
* @throws TypeError
*/
protected static function quarterRound(
ParagonIE_Sodium_Core32_Int32 $a,
ParagonIE_Sodium_Core32_Int32 $b,
ParagonIE_Sodium_Core32_Int32 $c,
ParagonIE_Sodium_Core32_Int32 $d
) {
/** @var ParagonIE_Sodium_Core32_Int32 $a */
/** @var ParagonIE_Sodium_Core32_Int32 $b */
/** @var ParagonIE_Sodium_Core32_Int32 $c */
/** @var ParagonIE_Sodium_Core32_Int32 $d */
# a = PLUS(a,b); d = ROTATE(XOR(d,a),16);
$a = $a->addInt32($b);
$d = $d->xorInt32($a)->rotateLeft(16);
# c = PLUS(c,d); b = ROTATE(XOR(b,c),12);
$c = $c->addInt32($d);
$b = $b->xorInt32($c)->rotateLeft(12);
# a = PLUS(a,b); d = ROTATE(XOR(d,a), 8);
$a = $a->addInt32($b);
$d = $d->xorInt32($a)->rotateLeft(8);
# c = PLUS(c,d); b = ROTATE(XOR(b,c), 7);
$c = $c->addInt32($d);
$b = $b->xorInt32($c)->rotateLeft(7);
return array($a, $b, $c, $d);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_ChaCha20_Ctx $ctx
* @param string $message
*
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function encryptBytes(
ParagonIE_Sodium_Core32_ChaCha20_Ctx $ctx,
$message = ''
) {
$bytes = self::strlen($message);
/** @var ParagonIE_Sodium_Core32_Int32 $x0 */
/** @var ParagonIE_Sodium_Core32_Int32 $x1 */
/** @var ParagonIE_Sodium_Core32_Int32 $x2 */
/** @var ParagonIE_Sodium_Core32_Int32 $x3 */
/** @var ParagonIE_Sodium_Core32_Int32 $x4 */
/** @var ParagonIE_Sodium_Core32_Int32 $x5 */
/** @var ParagonIE_Sodium_Core32_Int32 $x6 */
/** @var ParagonIE_Sodium_Core32_Int32 $x7 */
/** @var ParagonIE_Sodium_Core32_Int32 $x8 */
/** @var ParagonIE_Sodium_Core32_Int32 $x9 */
/** @var ParagonIE_Sodium_Core32_Int32 $x10 */
/** @var ParagonIE_Sodium_Core32_Int32 $x11 */
/** @var ParagonIE_Sodium_Core32_Int32 $x12 */
/** @var ParagonIE_Sodium_Core32_Int32 $x13 */
/** @var ParagonIE_Sodium_Core32_Int32 $x14 */
/** @var ParagonIE_Sodium_Core32_Int32 $x15 */
/*
j0 = ctx->input[0];
j1 = ctx->input[1];
j2 = ctx->input[2];
j3 = ctx->input[3];
j4 = ctx->input[4];
j5 = ctx->input[5];
j6 = ctx->input[6];
j7 = ctx->input[7];
j8 = ctx->input[8];
j9 = ctx->input[9];
j10 = ctx->input[10];
j11 = ctx->input[11];
j12 = ctx->input[12];
j13 = ctx->input[13];
j14 = ctx->input[14];
j15 = ctx->input[15];
*/
/** @var ParagonIE_Sodium_Core32_Int32 $j0 */
$j0 = $ctx[0];
/** @var ParagonIE_Sodium_Core32_Int32 $j1 */
$j1 = $ctx[1];
/** @var ParagonIE_Sodium_Core32_Int32 $j2 */
$j2 = $ctx[2];
/** @var ParagonIE_Sodium_Core32_Int32 $j3 */
$j3 = $ctx[3];
/** @var ParagonIE_Sodium_Core32_Int32 $j4 */
$j4 = $ctx[4];
/** @var ParagonIE_Sodium_Core32_Int32 $j5 */
$j5 = $ctx[5];
/** @var ParagonIE_Sodium_Core32_Int32 $j6 */
$j6 = $ctx[6];
/** @var ParagonIE_Sodium_Core32_Int32 $j7 */
$j7 = $ctx[7];
/** @var ParagonIE_Sodium_Core32_Int32 $j8 */
$j8 = $ctx[8];
/** @var ParagonIE_Sodium_Core32_Int32 $j9 */
$j9 = $ctx[9];
/** @var ParagonIE_Sodium_Core32_Int32 $j10 */
$j10 = $ctx[10];
/** @var ParagonIE_Sodium_Core32_Int32 $j11 */
$j11 = $ctx[11];
/** @var ParagonIE_Sodium_Core32_Int32 $j12 */
$j12 = $ctx[12];
/** @var ParagonIE_Sodium_Core32_Int32 $j13 */
$j13 = $ctx[13];
/** @var ParagonIE_Sodium_Core32_Int32 $j14 */
$j14 = $ctx[14];
/** @var ParagonIE_Sodium_Core32_Int32 $j15 */
$j15 = $ctx[15];
$c = '';
for (;;) {
if ($bytes < 64) {
$message .= str_repeat("\x00", 64 - $bytes);
}
$x0 = clone $j0;
$x1 = clone $j1;
$x2 = clone $j2;
$x3 = clone $j3;
$x4 = clone $j4;
$x5 = clone $j5;
$x6 = clone $j6;
$x7 = clone $j7;
$x8 = clone $j8;
$x9 = clone $j9;
$x10 = clone $j10;
$x11 = clone $j11;
$x12 = clone $j12;
$x13 = clone $j13;
$x14 = clone $j14;
$x15 = clone $j15;
# for (i = 20; i > 0; i -= 2) {
for ($i = 20; $i > 0; $i -= 2) {
# QUARTERROUND( x0, x4, x8, x12)
list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12);
# QUARTERROUND( x1, x5, x9, x13)
list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13);
# QUARTERROUND( x2, x6, x10, x14)
list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14);
# QUARTERROUND( x3, x7, x11, x15)
list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15);
# QUARTERROUND( x0, x5, x10, x15)
list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15);
# QUARTERROUND( x1, x6, x11, x12)
list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12);
# QUARTERROUND( x2, x7, x8, x13)
list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13);
# QUARTERROUND( x3, x4, x9, x14)
list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14);
}
/*
x0 = PLUS(x0, j0);
x1 = PLUS(x1, j1);
x2 = PLUS(x2, j2);
x3 = PLUS(x3, j3);
x4 = PLUS(x4, j4);
x5 = PLUS(x5, j5);
x6 = PLUS(x6, j6);
x7 = PLUS(x7, j7);
x8 = PLUS(x8, j8);
x9 = PLUS(x9, j9);
x10 = PLUS(x10, j10);
x11 = PLUS(x11, j11);
x12 = PLUS(x12, j12);
x13 = PLUS(x13, j13);
x14 = PLUS(x14, j14);
x15 = PLUS(x15, j15);
*/
$x0 = $x0->addInt32($j0);
$x1 = $x1->addInt32($j1);
$x2 = $x2->addInt32($j2);
$x3 = $x3->addInt32($j3);
$x4 = $x4->addInt32($j4);
$x5 = $x5->addInt32($j5);
$x6 = $x6->addInt32($j6);
$x7 = $x7->addInt32($j7);
$x8 = $x8->addInt32($j8);
$x9 = $x9->addInt32($j9);
$x10 = $x10->addInt32($j10);
$x11 = $x11->addInt32($j11);
$x12 = $x12->addInt32($j12);
$x13 = $x13->addInt32($j13);
$x14 = $x14->addInt32($j14);
$x15 = $x15->addInt32($j15);
/*
x0 = XOR(x0, LOAD32_LE(m + 0));
x1 = XOR(x1, LOAD32_LE(m + 4));
x2 = XOR(x2, LOAD32_LE(m + 8));
x3 = XOR(x3, LOAD32_LE(m + 12));
x4 = XOR(x4, LOAD32_LE(m + 16));
x5 = XOR(x5, LOAD32_LE(m + 20));
x6 = XOR(x6, LOAD32_LE(m + 24));
x7 = XOR(x7, LOAD32_LE(m + 28));
x8 = XOR(x8, LOAD32_LE(m + 32));
x9 = XOR(x9, LOAD32_LE(m + 36));
x10 = XOR(x10, LOAD32_LE(m + 40));
x11 = XOR(x11, LOAD32_LE(m + 44));
x12 = XOR(x12, LOAD32_LE(m + 48));
x13 = XOR(x13, LOAD32_LE(m + 52));
x14 = XOR(x14, LOAD32_LE(m + 56));
x15 = XOR(x15, LOAD32_LE(m + 60));
*/
$x0 = $x0->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 0, 4)));
$x1 = $x1->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 4, 4)));
$x2 = $x2->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 8, 4)));
$x3 = $x3->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 12, 4)));
$x4 = $x4->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 16, 4)));
$x5 = $x5->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 20, 4)));
$x6 = $x6->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 24, 4)));
$x7 = $x7->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 28, 4)));
$x8 = $x8->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 32, 4)));
$x9 = $x9->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 36, 4)));
$x10 = $x10->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 40, 4)));
$x11 = $x11->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 44, 4)));
$x12 = $x12->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 48, 4)));
$x13 = $x13->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 52, 4)));
$x14 = $x14->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 56, 4)));
$x15 = $x15->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 60, 4)));
/*
j12 = PLUSONE(j12);
if (!j12) {
j13 = PLUSONE(j13);
}
*/
/** @var ParagonIE_Sodium_Core32_Int32 $j12 */
$j12 = $j12->addInt(1);
if ($j12->limbs[0] === 0 && $j12->limbs[1] === 0) {
$j13 = $j13->addInt(1);
}
/*
STORE32_LE(c + 0, x0);
STORE32_LE(c + 4, x1);
STORE32_LE(c + 8, x2);
STORE32_LE(c + 12, x3);
STORE32_LE(c + 16, x4);
STORE32_LE(c + 20, x5);
STORE32_LE(c + 24, x6);
STORE32_LE(c + 28, x7);
STORE32_LE(c + 32, x8);
STORE32_LE(c + 36, x9);
STORE32_LE(c + 40, x10);
STORE32_LE(c + 44, x11);
STORE32_LE(c + 48, x12);
STORE32_LE(c + 52, x13);
STORE32_LE(c + 56, x14);
STORE32_LE(c + 60, x15);
*/
$block = $x0->toReverseString() .
$x1->toReverseString() .
$x2->toReverseString() .
$x3->toReverseString() .
$x4->toReverseString() .
$x5->toReverseString() .
$x6->toReverseString() .
$x7->toReverseString() .
$x8->toReverseString() .
$x9->toReverseString() .
$x10->toReverseString() .
$x11->toReverseString() .
$x12->toReverseString() .
$x13->toReverseString() .
$x14->toReverseString() .
$x15->toReverseString();
/* Partial block */
if ($bytes < 64) {
$c .= self::substr($block, 0, $bytes);
break;
}
/* Full block */
$c .= $block;
$bytes -= 64;
if ($bytes <= 0) {
break;
}
$message = self::substr($message, 64);
}
/* end for(;;) loop */
$ctx[12] = $j12;
$ctx[13] = $j13;
return $c;
}
/**
* @internal You should not use this directly from another application
*
* @param int $len
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function stream($len = 64, $nonce = '', $key = '')
{
return self::encryptBytes(
new ParagonIE_Sodium_Core32_ChaCha20_Ctx($key, $nonce),
str_repeat("\x00", $len)
);
}
/**
* @internal You should not use this directly from another application
*
* @param int $len
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function ietfStream($len, $nonce = '', $key = '')
{
return self::encryptBytes(
new ParagonIE_Sodium_Core32_ChaCha20_IetfCtx($key, $nonce),
str_repeat("\x00", $len)
);
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @param string $nonce
* @param string $key
* @param string $ic
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '')
{
return self::encryptBytes(
new ParagonIE_Sodium_Core32_ChaCha20_IetfCtx($key, $nonce, $ic),
$message
);
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @param string $nonce
* @param string $key
* @param string $ic
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function streamXorIc($message, $nonce = '', $key = '', $ic = '')
{
return self::encryptBytes(
new ParagonIE_Sodium_Core32_ChaCha20_Ctx($key, $nonce, $ic),
$message
);
}
}
src/Core32/Curve25519/Fe.php 0000644 00000012127 15120157171 0011130 0 ustar 00
*/
protected $container = array();
/**
* @var int
*/
protected $size = 10;
/**
* @internal You should not use this directly from another application
*
* @param array $array
* @param bool $save_indexes
* @return self
* @throws SodiumException
* @throws TypeError
*/
public static function fromArray($array, $save_indexes = null)
{
$count = count($array);
if ($save_indexes) {
$keys = array_keys($array);
} else {
$keys = range(0, $count - 1);
}
$array = array_values($array);
$obj = new ParagonIE_Sodium_Core32_Curve25519_Fe();
if ($save_indexes) {
for ($i = 0; $i < $count; ++$i) {
$array[$i]->overflow = 0;
$obj->offsetSet($keys[$i], $array[$i]);
}
} else {
for ($i = 0; $i < $count; ++$i) {
$array[$i]->overflow = 0;
$obj->offsetSet($i, $array[$i]);
}
}
return $obj;
}
/**
* @internal You should not use this directly from another application
*
* @param array $array
* @param bool $save_indexes
* @return self
* @throws SodiumException
* @throws TypeError
*/
public static function fromIntArray($array, $save_indexes = null)
{
$count = count($array);
if ($save_indexes) {
$keys = array_keys($array);
} else {
$keys = range(0, $count - 1);
}
$array = array_values($array);
$set = array();
/** @var int $i */
/** @var int $v */
foreach ($array as $i => $v) {
$set[$i] = ParagonIE_Sodium_Core32_Int32::fromInt($v);
}
$obj = new ParagonIE_Sodium_Core32_Curve25519_Fe();
if ($save_indexes) {
for ($i = 0; $i < $count; ++$i) {
$set[$i]->overflow = 0;
$obj->offsetSet($keys[$i], $set[$i]);
}
} else {
for ($i = 0; $i < $count; ++$i) {
$set[$i]->overflow = 0;
$obj->offsetSet($i, $set[$i]);
}
}
return $obj;
}
/**
* @internal You should not use this directly from another application
*
* @param mixed $offset
* @param mixed $value
* @return void
* @throws SodiumException
* @throws TypeError
*/
public function offsetSet($offset, $value)
{
if (!($value instanceof ParagonIE_Sodium_Core32_Int32)) {
throw new InvalidArgumentException('Expected an instance of ParagonIE_Sodium_Core32_Int32');
}
if (is_null($offset)) {
$this->container[] = $value;
} else {
ParagonIE_Sodium_Core32_Util::declareScalarType($offset, 'int', 1);
$this->container[(int) $offset] = $value;
}
}
/**
* @internal You should not use this directly from another application
*
* @param mixed $offset
* @return bool
* @psalm-suppress MixedArrayOffset
*/
public function offsetExists($offset)
{
return isset($this->container[$offset]);
}
/**
* @internal You should not use this directly from another application
*
* @param mixed $offset
* @return void
* @psalm-suppress MixedArrayOffset
*/
public function offsetUnset($offset)
{
unset($this->container[$offset]);
}
/**
* @internal You should not use this directly from another application
*
* @param mixed $offset
* @return ParagonIE_Sodium_Core32_Int32
* @psalm-suppress MixedArrayOffset
*/
public function offsetGet($offset)
{
if (!isset($this->container[$offset])) {
$this->container[(int) $offset] = new ParagonIE_Sodium_Core32_Int32();
}
/** @var ParagonIE_Sodium_Core32_Int32 $get */
$get = $this->container[$offset];
return $get;
}
/**
* @internal You should not use this directly from another application
*
* @return array
*/
public function __debugInfo()
{
if (empty($this->container)) {
return array();
}
$c = array(
(int) ($this->container[0]->toInt()),
(int) ($this->container[1]->toInt()),
(int) ($this->container[2]->toInt()),
(int) ($this->container[3]->toInt()),
(int) ($this->container[4]->toInt()),
(int) ($this->container[5]->toInt()),
(int) ($this->container[6]->toInt()),
(int) ($this->container[7]->toInt()),
(int) ($this->container[8]->toInt()),
(int) ($this->container[9]->toInt())
);
return array(implode(', ', $c));
}
}
src/Core32/Curve25519/Ge/Cached.php 0000644 00000003415 15120157171 0012300 0 ustar 00 YplusX = $YplusX;
if ($YminusX === null) {
$YminusX = new ParagonIE_Sodium_Core32_Curve25519_Fe();
}
$this->YminusX = $YminusX;
if ($Z === null) {
$Z = new ParagonIE_Sodium_Core32_Curve25519_Fe();
}
$this->Z = $Z;
if ($T2d === null) {
$T2d = new ParagonIE_Sodium_Core32_Curve25519_Fe();
}
$this->T2d = $T2d;
}
}
src/Core32/Curve25519/Ge/P1p1.php 0000644 00000003344 15120157171 0011653 0 ustar 00 X = $x;
if ($y === null) {
$y = ParagonIE_Sodium_Core32_Curve25519::fe_0();
}
$this->Y = $y;
if ($z === null) {
$z = ParagonIE_Sodium_Core32_Curve25519::fe_0();
}
$this->Z = $z;
if ($t === null) {
$t = ParagonIE_Sodium_Core32_Curve25519::fe_0();
}
$this->T = $t;
}
}
src/Core32/Curve25519/Ge/P2.php 0000644 00000002541 15120157171 0011411 0 ustar 00 X = $x;
if ($y === null) {
$y = new ParagonIE_Sodium_Core32_Curve25519_Fe();
}
$this->Y = $y;
if ($z === null) {
$z = new ParagonIE_Sodium_Core32_Curve25519_Fe();
}
$this->Z = $z;
}
}
src/Core32/Curve25519/Ge/P3.php 0000644 00000003242 15120157171 0011411 0 ustar 00 X = $x;
if ($y === null) {
$y = new ParagonIE_Sodium_Core32_Curve25519_Fe();
}
$this->Y = $y;
if ($z === null) {
$z = new ParagonIE_Sodium_Core32_Curve25519_Fe();
}
$this->Z = $z;
if ($t === null) {
$t = new ParagonIE_Sodium_Core32_Curve25519_Fe();
}
$this->T = $t;
}
}
src/Core32/Curve25519/Ge/Precomp.php 0000644 00000002775 15120157171 0012546 0 ustar 00 yplusx = $yplusx;
if ($yminusx === null) {
$yminusx = ParagonIE_Sodium_Core32_Curve25519::fe_0();
}
$this->yminusx = $yminusx;
if ($xy2d === null) {
$xy2d = ParagonIE_Sodium_Core32_Curve25519::fe_0();
}
$this->xy2d = $xy2d;
}
}
src/Core32/Curve25519/Ge/.htaccess 0000444 00000000143 15120157171 0012207 0 ustar 00
Order Allow,Deny
Deny from all
src/Core32/Curve25519/H.php 0000644 00000324375 15120157171 0011000 0 ustar 00 >>> Basically, int[32][8][3][10]
*/
protected static $base = array(
array(
array(
array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605),
array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378),
array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546),
),
array(
array(-12815894, -12976347, -21581243, 11784320, -25355658, -2750717, -11717903, -3814571, -358445, -10211303),
array(-21703237, 6903825, 27185491, 6451973, -29577724, -9554005, -15616551, 11189268, -26829678, -5319081),
array(26966642, 11152617, 32442495, 15396054, 14353839, -12752335, -3128826, -9541118, -15472047, -4166697),
),
array(
array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024),
array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574),
array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357),
),
array(
array(-17036878, 13921892, 10945806, -6033431, 27105052, -16084379, -28926210, 15006023, 3284568, -6276540),
array(23599295, -8306047, -11193664, -7687416, 13236774, 10506355, 7464579, 9656445, 13059162, 10374397),
array(7798556, 16710257, 3033922, 2874086, 28997861, 2835604, 32406664, -3839045, -641708, -101325),
),
array(
array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380),
array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306),
array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942),
),
array(
array(-15371964, -12862754, 32573250, 4720197, -26436522, 5875511, -19188627, -15224819, -9818940, -12085777),
array(-8549212, 109983, 15149363, 2178705, 22900618, 4543417, 3044240, -15689887, 1762328, 14866737),
array(-18199695, -15951423, -10473290, 1707278, -17185920, 3916101, -28236412, 3959421, 27914454, 4383652),
),
array(
array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766),
array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701),
array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300),
),
array(
array(14499471, -2729599, -33191113, -4254652, 28494862, 14271267, 30290735, 10876454, -33154098, 2381726),
array(-7195431, -2655363, -14730155, 462251, -27724326, 3941372, -6236617, 3696005, -32300832, 15351955),
array(27431194, 8222322, 16448760, -3907995, -18707002, 11938355, -32961401, -2970515, 29551813, 10109425),
),
),
array(
array(
array(-13657040, -13155431, -31283750, 11777098, 21447386, 6519384, -2378284, -1627556, 10092783, -4764171),
array(27939166, 14210322, 4677035, 16277044, -22964462, -12398139, -32508754, 12005538, -17810127, 12803510),
array(17228999, -15661624, -1233527, 300140, -1224870, -11714777, 30364213, -9038194, 18016357, 4397660),
),
array(
array(-10958843, -7690207, 4776341, -14954238, 27850028, -15602212, -26619106, 14544525, -17477504, 982639),
array(29253598, 15796703, -2863982, -9908884, 10057023, 3163536, 7332899, -4120128, -21047696, 9934963),
array(5793303, 16271923, -24131614, -10116404, 29188560, 1206517, -14747930, 4559895, -30123922, -10897950),
),
array(
array(-27643952, -11493006, 16282657, -11036493, 28414021, -15012264, 24191034, 4541697, -13338309, 5500568),
array(12650548, -1497113, 9052871, 11355358, -17680037, -8400164, -17430592, 12264343, 10874051, 13524335),
array(25556948, -3045990, 714651, 2510400, 23394682, -10415330, 33119038, 5080568, -22528059, 5376628),
),
array(
array(-26088264, -4011052, -17013699, -3537628, -6726793, 1920897, -22321305, -9447443, 4535768, 1569007),
array(-2255422, 14606630, -21692440, -8039818, 28430649, 8775819, -30494562, 3044290, 31848280, 12543772),
array(-22028579, 2943893, -31857513, 6777306, 13784462, -4292203, -27377195, -2062731, 7718482, 14474653),
),
array(
array(2385315, 2454213, -22631320, 46603, -4437935, -15680415, 656965, -7236665, 24316168, -5253567),
array(13741529, 10911568, -33233417, -8603737, -20177830, -1033297, 33040651, -13424532, -20729456, 8321686),
array(21060490, -2212744, 15712757, -4336099, 1639040, 10656336, 23845965, -11874838, -9984458, 608372),
),
array(
array(-13672732, -15087586, -10889693, -7557059, -6036909, 11305547, 1123968, -6780577, 27229399, 23887),
array(-23244140, -294205, -11744728, 14712571, -29465699, -2029617, 12797024, -6440308, -1633405, 16678954),
array(-29500620, 4770662, -16054387, 14001338, 7830047, 9564805, -1508144, -4795045, -17169265, 4904953),
),
array(
array(24059557, 14617003, 19037157, -15039908, 19766093, -14906429, 5169211, 16191880, 2128236, -4326833),
array(-16981152, 4124966, -8540610, -10653797, 30336522, -14105247, -29806336, 916033, -6882542, -2986532),
array(-22630907, 12419372, -7134229, -7473371, -16478904, 16739175, 285431, 2763829, 15736322, 4143876),
),
array(
array(2379352, 11839345, -4110402, -5988665, 11274298, 794957, 212801, -14594663, 23527084, -16458268),
array(33431127, -11130478, -17838966, -15626900, 8909499, 8376530, -32625340, 4087881, -15188911, -14416214),
array(1767683, 7197987, -13205226, -2022635, -13091350, 448826, 5799055, 4357868, -4774191, -16323038),
),
),
array(
array(
array(6721966, 13833823, -23523388, -1551314, 26354293, -11863321, 23365147, -3949732, 7390890, 2759800),
array(4409041, 2052381, 23373853, 10530217, 7676779, -12885954, 21302353, -4264057, 1244380, -12919645),
array(-4421239, 7169619, 4982368, -2957590, 30256825, -2777540, 14086413, 9208236, 15886429, 16489664),
),
array(
array(1996075, 10375649, 14346367, 13311202, -6874135, -16438411, -13693198, 398369, -30606455, -712933),
array(-25307465, 9795880, -2777414, 14878809, -33531835, 14780363, 13348553, 12076947, -30836462, 5113182),
array(-17770784, 11797796, 31950843, 13929123, -25888302, 12288344, -30341101, -7336386, 13847711, 5387222),
),
array(
array(-18582163, -3416217, 17824843, -2340966, 22744343, -10442611, 8763061, 3617786, -19600662, 10370991),
array(20246567, -14369378, 22358229, -543712, 18507283, -10413996, 14554437, -8746092, 32232924, 16763880),
array(9648505, 10094563, 26416693, 14745928, -30374318, -6472621, 11094161, 15689506, 3140038, -16510092),
),
array(
array(-16160072, 5472695, 31895588, 4744994, 8823515, 10365685, -27224800, 9448613, -28774454, 366295),
array(19153450, 11523972, -11096490, -6503142, -24647631, 5420647, 28344573, 8041113, 719605, 11671788),
array(8678025, 2694440, -6808014, 2517372, 4964326, 11152271, -15432916, -15266516, 27000813, -10195553),
),
array(
array(-15157904, 7134312, 8639287, -2814877, -7235688, 10421742, 564065, 5336097, 6750977, -14521026),
array(11836410, -3979488, 26297894, 16080799, 23455045, 15735944, 1695823, -8819122, 8169720, 16220347),
array(-18115838, 8653647, 17578566, -6092619, -8025777, -16012763, -11144307, -2627664, -5990708, -14166033),
),
array(
array(-23308498, -10968312, 15213228, -10081214, -30853605, -11050004, 27884329, 2847284, 2655861, 1738395),
array(-27537433, -14253021, -25336301, -8002780, -9370762, 8129821, 21651608, -3239336, -19087449, -11005278),
array(1533110, 3437855, 23735889, 459276, 29970501, 11335377, 26030092, 5821408, 10478196, 8544890),
),
array(
array(32173121, -16129311, 24896207, 3921497, 22579056, -3410854, 19270449, 12217473, 17789017, -3395995),
array(-30552961, -2228401, -15578829, -10147201, 13243889, 517024, 15479401, -3853233, 30460520, 1052596),
array(-11614875, 13323618, 32618793, 8175907, -15230173, 12596687, 27491595, -4612359, 3179268, -9478891),
),
array(
array(31947069, -14366651, -4640583, -15339921, -15125977, -6039709, -14756777, -16411740, 19072640, -9511060),
array(11685058, 11822410, 3158003, -13952594, 33402194, -4165066, 5977896, -5215017, 473099, 5040608),
array(-20290863, 8198642, -27410132, 11602123, 1290375, -2799760, 28326862, 1721092, -19558642, -3131606),
),
),
array(
array(
array(7881532, 10687937, 7578723, 7738378, -18951012, -2553952, 21820786, 8076149, -27868496, 11538389),
array(-19935666, 3899861, 18283497, -6801568, -15728660, -11249211, 8754525, 7446702, -5676054, 5797016),
array(-11295600, -3793569, -15782110, -7964573, 12708869, -8456199, 2014099, -9050574, -2369172, -5877341),
),
array(
array(-22472376, -11568741, -27682020, 1146375, 18956691, 16640559, 1192730, -3714199, 15123619, 10811505),
array(14352098, -3419715, -18942044, 10822655, 32750596, 4699007, -70363, 15776356, -28886779, -11974553),
array(-28241164, -8072475, -4978962, -5315317, 29416931, 1847569, -20654173, -16484855, 4714547, -9600655),
),
array(
array(15200332, 8368572, 19679101, 15970074, -31872674, 1959451, 24611599, -4543832, -11745876, 12340220),
array(12876937, -10480056, 33134381, 6590940, -6307776, 14872440, 9613953, 8241152, 15370987, 9608631),
array(-4143277, -12014408, 8446281, -391603, 4407738, 13629032, -7724868, 15866074, -28210621, -8814099),
),
array(
array(26660628, -15677655, 8393734, 358047, -7401291, 992988, -23904233, 858697, 20571223, 8420556),
array(14620715, 13067227, -15447274, 8264467, 14106269, 15080814, 33531827, 12516406, -21574435, -12476749),
array(236881, 10476226, 57258, -14677024, 6472998, 2466984, 17258519, 7256740, 8791136, 15069930),
),
array(
array(1276410, -9371918, 22949635, -16322807, -23493039, -5702186, 14711875, 4874229, -30663140, -2331391),
array(5855666, 4990204, -13711848, 7294284, -7804282, 1924647, -1423175, -7912378, -33069337, 9234253),
array(20590503, -9018988, 31529744, -7352666, -2706834, 10650548, 31559055, -11609587, 18979186, 13396066),
),
array(
array(24474287, 4968103, 22267082, 4407354, 24063882, -8325180, -18816887, 13594782, 33514650, 7021958),
array(-11566906, -6565505, -21365085, 15928892, -26158305, 4315421, -25948728, -3916677, -21480480, 12868082),
array(-28635013, 13504661, 19988037, -2132761, 21078225, 6443208, -21446107, 2244500, -12455797, -8089383),
),
array(
array(-30595528, 13793479, -5852820, 319136, -25723172, -6263899, 33086546, 8957937, -15233648, 5540521),
array(-11630176, -11503902, -8119500, -7643073, 2620056, 1022908, -23710744, -1568984, -16128528, -14962807),
array(23152971, 775386, 27395463, 14006635, -9701118, 4649512, 1689819, 892185, -11513277, -15205948),
),
array(
array(9770129, 9586738, 26496094, 4324120, 1556511, -3550024, 27453819, 4763127, -19179614, 5867134),
array(-32765025, 1927590, 31726409, -4753295, 23962434, -16019500, 27846559, 5931263, -29749703, -16108455),
array(27461885, -2977536, 22380810, 1815854, -23033753, -3031938, 7283490, -15148073, -19526700, 7734629),
),
),
array(
array(
array(-8010264, -9590817, -11120403, 6196038, 29344158, -13430885, 7585295, -3176626, 18549497, 15302069),
array(-32658337, -6171222, -7672793, -11051681, 6258878, 13504381, 10458790, -6418461, -8872242, 8424746),
array(24687205, 8613276, -30667046, -3233545, 1863892, -1830544, 19206234, 7134917, -11284482, -828919),
),
array(
array(11334899, -9218022, 8025293, 12707519, 17523892, -10476071, 10243738, -14685461, -5066034, 16498837),
array(8911542, 6887158, -9584260, -6958590, 11145641, -9543680, 17303925, -14124238, 6536641, 10543906),
array(-28946384, 15479763, -17466835, 568876, -1497683, 11223454, -2669190, -16625574, -27235709, 8876771),
),
array(
array(-25742899, -12566864, -15649966, -846607, -33026686, -796288, -33481822, 15824474, -604426, -9039817),
array(10330056, 70051, 7957388, -9002667, 9764902, 15609756, 27698697, -4890037, 1657394, 3084098),
array(10477963, -7470260, 12119566, -13250805, 29016247, -5365589, 31280319, 14396151, -30233575, 15272409),
),
array(
array(-12288309, 3169463, 28813183, 16658753, 25116432, -5630466, -25173957, -12636138, -25014757, 1950504),
array(-26180358, 9489187, 11053416, -14746161, -31053720, 5825630, -8384306, -8767532, 15341279, 8373727),
array(28685821, 7759505, -14378516, -12002860, -31971820, 4079242, 298136, -10232602, -2878207, 15190420),
),
array(
array(-32932876, 13806336, -14337485, -15794431, -24004620, 10940928, 8669718, 2742393, -26033313, -6875003),
array(-1580388, -11729417, -25979658, -11445023, -17411874, -10912854, 9291594, -16247779, -12154742, 6048605),
array(-30305315, 14843444, 1539301, 11864366, 20201677, 1900163, 13934231, 5128323, 11213262, 9168384),
),
array(
array(-26280513, 11007847, 19408960, -940758, -18592965, -4328580, -5088060, -11105150, 20470157, -16398701),
array(-23136053, 9282192, 14855179, -15390078, -7362815, -14408560, -22783952, 14461608, 14042978, 5230683),
array(29969567, -2741594, -16711867, -8552442, 9175486, -2468974, 21556951, 3506042, -5933891, -12449708),
),
array(
array(-3144746, 8744661, 19704003, 4581278, -20430686, 6830683, -21284170, 8971513, -28539189, 15326563),
array(-19464629, 10110288, -17262528, -3503892, -23500387, 1355669, -15523050, 15300988, -20514118, 9168260),
array(-5353335, 4488613, -23803248, 16314347, 7780487, -15638939, -28948358, 9601605, 33087103, -9011387),
),
array(
array(-19443170, -15512900, -20797467, -12445323, -29824447, 10229461, -27444329, -15000531, -5996870, 15664672),
array(23294591, -16632613, -22650781, -8470978, 27844204, 11461195, 13099750, -2460356, 18151676, 13417686),
array(-24722913, -4176517, -31150679, 5988919, -26858785, 6685065, 1661597, -12551441, 15271676, -15452665),
),
),
array(
array(
array(11433042, -13228665, 8239631, -5279517, -1985436, -725718, -18698764, 2167544, -6921301, -13440182),
array(-31436171, 15575146, 30436815, 12192228, -22463353, 9395379, -9917708, -8638997, 12215110, 12028277),
array(14098400, 6555944, 23007258, 5757252, -15427832, -12950502, 30123440, 4617780, -16900089, -655628),
),
array(
array(-4026201, -15240835, 11893168, 13718664, -14809462, 1847385, -15819999, 10154009, 23973261, -12684474),
array(-26531820, -3695990, -1908898, 2534301, -31870557, -16550355, 18341390, -11419951, 32013174, -10103539),
array(-25479301, 10876443, -11771086, -14625140, -12369567, 1838104, 21911214, 6354752, 4425632, -837822),
),
array(
array(-10433389, -14612966, 22229858, -3091047, -13191166, 776729, -17415375, -12020462, 4725005, 14044970),
array(19268650, -7304421, 1555349, 8692754, -21474059, -9910664, 6347390, -1411784, -19522291, -16109756),
array(-24864089, 12986008, -10898878, -5558584, -11312371, -148526, 19541418, 8180106, 9282262, 10282508),
),
array(
array(-26205082, 4428547, -8661196, -13194263, 4098402, -14165257, 15522535, 8372215, 5542595, -10702683),
array(-10562541, 14895633, 26814552, -16673850, -17480754, -2489360, -2781891, 6993761, -18093885, 10114655),
array(-20107055, -929418, 31422704, 10427861, -7110749, 6150669, -29091755, -11529146, 25953725, -106158),
),
array(
array(-4234397, -8039292, -9119125, 3046000, 2101609, -12607294, 19390020, 6094296, -3315279, 12831125),
array(-15998678, 7578152, 5310217, 14408357, -33548620, -224739, 31575954, 6326196, 7381791, -2421839),
array(-20902779, 3296811, 24736065, -16328389, 18374254, 7318640, 6295303, 8082724, -15362489, 12339664),
),
array(
array(27724736, 2291157, 6088201, -14184798, 1792727, 5857634, 13848414, 15768922, 25091167, 14856294),
array(-18866652, 8331043, 24373479, 8541013, -701998, -9269457, 12927300, -12695493, -22182473, -9012899),
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),
array(
array(-25493081, -6962928, 32500200, -9419051, -23038724, -2302222, 14898637, 3848455, 20969334, -5157516),
array(-20384450, -14347713, -18336405, 13884722, -33039454, 2842114, -21610826, -3649888, 11177095, 14989547),
array(-24496721, -11716016, 16959896, 2278463, 12066309, 10137771, 13515641, 2581286, -28487508, 9930240),
),
array(
array(-17751622, -2097826, 16544300, -13009300, -15914807, -14949081, 18345767, -13403753, 16291481, -5314038),
array(-33229194, 2553288, 32678213, 9875984, 8534129, 6889387, -9676774, 6957617, 4368891, 9788741),
array(16660756, 7281060, -10830758, 12911820, 20108584, -8101676, -21722536, -8613148, 16250552, -11111103),
),
array(
array(-19765507, 2390526, -16551031, 14161980, 1905286, 6414907, 4689584, 10604807, -30190403, 4782747),
array(-1354539, 14736941, -7367442, -13292886, 7710542, -14155590, -9981571, 4383045, 22546403, 437323),
array(31665577, -12180464, -16186830, 1491339, -18368625, 3294682, 27343084, 2786261, -30633590, -14097016),
),
array(
array(-14467279, -683715, -33374107, 7448552, 19294360, 14334329, -19690631, 2355319, -19284671, -6114373),
array(15121312, -15796162, 6377020, -6031361, -10798111, -12957845, 18952177, 15496498, -29380133, 11754228),
array(-2637277, -13483075, 8488727, -14303896, 12728761, -1622493, 7141596, 11724556, 22761615, -10134141),
),
array(
array(16918416, 11729663, -18083579, 3022987, -31015732, -13339659, -28741185, -12227393, 32851222, 11717399),
array(11166634, 7338049, -6722523, 4531520, -29468672, -7302055, 31474879, 3483633, -1193175, -4030831),
array(-185635, 9921305, 31456609, -13536438, -12013818, 13348923, 33142652, 6546660, -19985279, -3948376),
),
array(
array(-32460596, 11266712, -11197107, -7899103, 31703694, 3855903, -8537131, -12833048, -30772034, -15486313),
array(-18006477, 12709068, 3991746, -6479188, -21491523, -10550425, -31135347, -16049879, 10928917, 3011958),
array(-6957757, -15594337, 31696059, 334240, 29576716, 14796075, -30831056, -12805180, 18008031, 10258577),
),
array(
array(-22448644, 15655569, 7018479, -4410003, -30314266, -1201591, -1853465, 1367120, 25127874, 6671743),
array(29701166, -14373934, -10878120, 9279288, -17568, 13127210, 21382910, 11042292, 25838796, 4642684),
array(-20430234, 14955537, -24126347, 8124619, -5369288, -5990470, 30468147, -13900640, 18423289, 4177476),
),
)
);
/**
* See: libsodium's crypto_core/curve25519/ref10/base2.h
*
* @var array>> basically int[8][3]
*/
protected static $base2 = array(
array(
array(25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605),
array(-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378),
array(-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546),
),
array(
array(15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024),
array(16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574),
array(30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357),
),
array(
array(10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380),
array(4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306),
array(19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942),
),
array(
array(5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766),
array(-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701),
array(28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300),
),
array(
array(-22518993, -6692182, 14201702, -8745502, -23510406, 8844726, 18474211, -1361450, -13062696, 13821877),
array(-6455177, -7839871, 3374702, -4740862, -27098617, -10571707, 31655028, -7212327, 18853322, -14220951),
array(4566830, -12963868, -28974889, -12240689, -7602672, -2830569, -8514358, -10431137, 2207753, -3209784),
),
array(
array(-25154831, -4185821, 29681144, 7868801, -6854661, -9423865, -12437364, -663000, -31111463, -16132436),
array(25576264, -2703214, 7349804, -11814844, 16472782, 9300885, 3844789, 15725684, 171356, 6466918),
array(23103977, 13316479, 9739013, -16149481, 817875, -15038942, 8965339, -14088058, -30714912, 16193877),
),
array(
array(-33521811, 3180713, -2394130, 14003687, -16903474, -16270840, 17238398, 4729455, -18074513, 9256800),
array(-25182317, -4174131, 32336398, 5036987, -21236817, 11360617, 22616405, 9761698, -19827198, 630305),
array(-13720693, 2639453, -24237460, -7406481, 9494427, -5774029, -6554551, -15960994, -2449256, -14291300),
),
array(
array(-3151181, -5046075, 9282714, 6866145, -31907062, -863023, -18940575, 15033784, 25105118, -7894876),
array(-24326370, 15950226, -31801215, -14592823, -11662737, -5090925, 1573892, -2625887, 2198790, -15804619),
array(-3099351, 10324967, -2241613, 7453183, -5446979, -2735503, -13812022, -16236442, -32461234, -12290683),
)
);
/**
* 37095705934669439343138083508754565189542113879843219016388785533085940283555
*
* @var array
*/
protected static $d = array(
-10913610,
13857413,
-15372611,
6949391,
114729,
-8787816,
-6275908,
-3247719,
-18696448,
-12055116
);
/**
* 2 * d = 16295367250680780974490674513165176452449235426866156013048779062215315747161
*
* @var array
*/
protected static $d2 = array(
-21827239,
-5839606,
-30745221,
13898782,
229458,
15978800,
-12551817,
-6495438,
29715968,
9444199
);
/**
* sqrt(-1)
*
* @var array
*/
protected static $sqrtm1 = array(
-32595792,
-7943725,
9377950,
3500415,
12389472,
-272473,
-25146209,
-2005654,
326686,
11406482
);
}
src/Core32/Curve25519/README.md 0000644 00000000332 15120157171 0011337 0 ustar 00 # Curve25519 Data Structures
These are PHP implementation of the [structs used in the ref10 curve25519 code](https://github.com/jedisct1/libsodium/blob/master/src/libsodium/include/sodium/private/curve25519_ref10.h).
src/Core32/Curve25519/error_log 0000644 00000003060 15120157171 0011776 0 ustar 00 [27-Oct-2025 14:01:15 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[27-Oct-2025 14:01:15 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[27-Oct-2025 16:25:22 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[27-Oct-2025 16:25:23 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[27-Oct-2025 22:57:46 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[27-Oct-2025 22:57:55 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 12
[12-Dec-2025 19:04:42 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 13
[12-Dec-2025 19:04:56 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Curve25519/H.php on line 13
src/Core32/Curve25519.php 0000644 00000407142 15120157171 0010603 0 ustar 00 addInt32($g[$i]);
}
/** @var array $arr */
return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($arr);
}
/**
* Constant-time conditional move.
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $g
* @param int $b
* @return ParagonIE_Sodium_Core32_Curve25519_Fe
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedMethodCall
*/
public static function fe_cmov(
ParagonIE_Sodium_Core32_Curve25519_Fe $f,
ParagonIE_Sodium_Core32_Curve25519_Fe $g,
$b = 0
) {
/** @var array $h */
$h = array();
for ($i = 0; $i < 10; ++$i) {
if (!($f[$i] instanceof ParagonIE_Sodium_Core32_Int32)) {
throw new TypeError('Expected Int32');
}
if (!($g[$i] instanceof ParagonIE_Sodium_Core32_Int32)) {
throw new TypeError('Expected Int32');
}
$h[$i] = $f[$i]->xorInt32(
$f[$i]->xorInt32($g[$i])->mask($b)
);
}
/** @var array $h */
return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($h);
}
/**
* Create a copy of a field element.
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
* @return ParagonIE_Sodium_Core32_Curve25519_Fe
*/
public static function fe_copy(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
{
$h = clone $f;
return $h;
}
/**
* Give: 32-byte string.
* Receive: A field element object to use for internal calculations.
*
* @internal You should not use this directly from another application
*
* @param string $s
* @return ParagonIE_Sodium_Core32_Curve25519_Fe
* @throws RangeException
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedMethodCall
*/
public static function fe_frombytes($s)
{
if (self::strlen($s) !== 32) {
throw new RangeException('Expected a 32-byte string.');
}
/** @var ParagonIE_Sodium_Core32_Int32 $h0 */
$h0 = ParagonIE_Sodium_Core32_Int32::fromInt(
self::load_4($s)
);
/** @var ParagonIE_Sodium_Core32_Int32 $h1 */
$h1 = ParagonIE_Sodium_Core32_Int32::fromInt(
self::load_3(self::substr($s, 4, 3)) << 6
);
/** @var ParagonIE_Sodium_Core32_Int32 $h2 */
$h2 = ParagonIE_Sodium_Core32_Int32::fromInt(
self::load_3(self::substr($s, 7, 3)) << 5
);
/** @var ParagonIE_Sodium_Core32_Int32 $h3 */
$h3 = ParagonIE_Sodium_Core32_Int32::fromInt(
self::load_3(self::substr($s, 10, 3)) << 3
);
/** @var ParagonIE_Sodium_Core32_Int32 $h4 */
$h4 = ParagonIE_Sodium_Core32_Int32::fromInt(
self::load_3(self::substr($s, 13, 3)) << 2
);
/** @var ParagonIE_Sodium_Core32_Int32 $h5 */
$h5 = ParagonIE_Sodium_Core32_Int32::fromInt(
self::load_4(self::substr($s, 16, 4))
);
/** @var ParagonIE_Sodium_Core32_Int32 $h6 */
$h6 = ParagonIE_Sodium_Core32_Int32::fromInt(
self::load_3(self::substr($s, 20, 3)) << 7
);
/** @var ParagonIE_Sodium_Core32_Int32 $h7 */
$h7 = ParagonIE_Sodium_Core32_Int32::fromInt(
self::load_3(self::substr($s, 23, 3)) << 5
);
/** @var ParagonIE_Sodium_Core32_Int32 $h8 */
$h8 = ParagonIE_Sodium_Core32_Int32::fromInt(
self::load_3(self::substr($s, 26, 3)) << 4
);
/** @var ParagonIE_Sodium_Core32_Int32 $h9 */
$h9 = ParagonIE_Sodium_Core32_Int32::fromInt(
(self::load_3(self::substr($s, 29, 3)) & 8388607) << 2
);
$carry9 = $h9->addInt(1 << 24)->shiftRight(25);
$h0 = $h0->addInt32($carry9->mulInt(19, 5));
$h9 = $h9->subInt32($carry9->shiftLeft(25));
$carry1 = $h1->addInt(1 << 24)->shiftRight(25);
$h2 = $h2->addInt32($carry1);
$h1 = $h1->subInt32($carry1->shiftLeft(25));
$carry3 = $h3->addInt(1 << 24)->shiftRight(25);
$h4 = $h4->addInt32($carry3);
$h3 = $h3->subInt32($carry3->shiftLeft(25));
$carry5 = $h5->addInt(1 << 24)->shiftRight(25);
$h6 = $h6->addInt32($carry5);
$h5 = $h5->subInt32($carry5->shiftLeft(25));
$carry7 = $h7->addInt(1 << 24)->shiftRight(25);
$h8 = $h8->addInt32($carry7);
$h7 = $h7->subInt32($carry7->shiftLeft(25));
$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
$h1 = $h1->addInt32($carry0);
$h0 = $h0->subInt32($carry0->shiftLeft(26));
$carry2 = $h2->addInt(1 << 25)->shiftRight(26);
$h3 = $h3->addInt32($carry2);
$h2 = $h2->subInt32($carry2->shiftLeft(26));
$carry4 = $h4->addInt(1 << 25)->shiftRight(26);
$h5 = $h5->addInt32($carry4);
$h4 = $h4->subInt32($carry4->shiftLeft(26));
$carry6 = $h6->addInt(1 << 25)->shiftRight(26);
$h7 = $h7->addInt32($carry6);
$h6 = $h6->subInt32($carry6->shiftLeft(26));
$carry8 = $h8->addInt(1 << 25)->shiftRight(26);
$h9 = $h9->addInt32($carry8);
$h8 = $h8->subInt32($carry8->shiftLeft(26));
return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array($h0, $h1, $h2,$h3, $h4, $h5, $h6, $h7, $h8, $h9)
);
}
/**
* Convert a field element to a byte string.
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $h
* @return string
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedMethodCall
*/
public static function fe_tobytes(ParagonIE_Sodium_Core32_Curve25519_Fe $h)
{
/**
* @var ParagonIE_Sodium_Core32_Int64[] $f
* @var ParagonIE_Sodium_Core32_Int64 $q
*/
$f = array();
for ($i = 0; $i < 10; ++$i) {
$f[$i] = $h[$i]->toInt64();
}
$q = $f[9]->mulInt(19, 5)->addInt(1 << 14)->shiftRight(25)
->addInt64($f[0])->shiftRight(26)
->addInt64($f[1])->shiftRight(25)
->addInt64($f[2])->shiftRight(26)
->addInt64($f[3])->shiftRight(25)
->addInt64($f[4])->shiftRight(26)
->addInt64($f[5])->shiftRight(25)
->addInt64($f[6])->shiftRight(26)
->addInt64($f[7])->shiftRight(25)
->addInt64($f[8])->shiftRight(26)
->addInt64($f[9])->shiftRight(25);
$f[0] = $f[0]->addInt64($q->mulInt(19, 5));
$carry0 = $f[0]->shiftRight(26);
$f[1] = $f[1]->addInt64($carry0);
$f[0] = $f[0]->subInt64($carry0->shiftLeft(26));
$carry1 = $f[1]->shiftRight(25);
$f[2] = $f[2]->addInt64($carry1);
$f[1] = $f[1]->subInt64($carry1->shiftLeft(25));
$carry2 = $f[2]->shiftRight(26);
$f[3] = $f[3]->addInt64($carry2);
$f[2] = $f[2]->subInt64($carry2->shiftLeft(26));
$carry3 = $f[3]->shiftRight(25);
$f[4] = $f[4]->addInt64($carry3);
$f[3] = $f[3]->subInt64($carry3->shiftLeft(25));
$carry4 = $f[4]->shiftRight(26);
$f[5] = $f[5]->addInt64($carry4);
$f[4] = $f[4]->subInt64($carry4->shiftLeft(26));
$carry5 = $f[5]->shiftRight(25);
$f[6] = $f[6]->addInt64($carry5);
$f[5] = $f[5]->subInt64($carry5->shiftLeft(25));
$carry6 = $f[6]->shiftRight(26);
$f[7] = $f[7]->addInt64($carry6);
$f[6] = $f[6]->subInt64($carry6->shiftLeft(26));
$carry7 = $f[7]->shiftRight(25);
$f[8] = $f[8]->addInt64($carry7);
$f[7] = $f[7]->subInt64($carry7->shiftLeft(25));
$carry8 = $f[8]->shiftRight(26);
$f[9] = $f[9]->addInt64($carry8);
$f[8] = $f[8]->subInt64($carry8->shiftLeft(26));
$carry9 = $f[9]->shiftRight(25);
$f[9] = $f[9]->subInt64($carry9->shiftLeft(25));
/** @var int $h0 */
$h0 = $f[0]->toInt32()->toInt();
/** @var int $h1 */
$h1 = $f[1]->toInt32()->toInt();
/** @var int $h2 */
$h2 = $f[2]->toInt32()->toInt();
/** @var int $h3 */
$h3 = $f[3]->toInt32()->toInt();
/** @var int $h4 */
$h4 = $f[4]->toInt32()->toInt();
/** @var int $h5 */
$h5 = $f[5]->toInt32()->toInt();
/** @var int $h6 */
$h6 = $f[6]->toInt32()->toInt();
/** @var int $h7 */
$h7 = $f[7]->toInt32()->toInt();
/** @var int $h8 */
$h8 = $f[8]->toInt32()->toInt();
/** @var int $h9 */
$h9 = $f[9]->toInt32()->toInt();
/**
* @var array
*/
$s = array(
(int) (($h0 >> 0) & 0xff),
(int) (($h0 >> 8) & 0xff),
(int) (($h0 >> 16) & 0xff),
(int) ((($h0 >> 24) | ($h1 << 2)) & 0xff),
(int) (($h1 >> 6) & 0xff),
(int) (($h1 >> 14) & 0xff),
(int) ((($h1 >> 22) | ($h2 << 3)) & 0xff),
(int) (($h2 >> 5) & 0xff),
(int) (($h2 >> 13) & 0xff),
(int) ((($h2 >> 21) | ($h3 << 5)) & 0xff),
(int) (($h3 >> 3) & 0xff),
(int) (($h3 >> 11) & 0xff),
(int) ((($h3 >> 19) | ($h4 << 6)) & 0xff),
(int) (($h4 >> 2) & 0xff),
(int) (($h4 >> 10) & 0xff),
(int) (($h4 >> 18) & 0xff),
(int) (($h5 >> 0) & 0xff),
(int) (($h5 >> 8) & 0xff),
(int) (($h5 >> 16) & 0xff),
(int) ((($h5 >> 24) | ($h6 << 1)) & 0xff),
(int) (($h6 >> 7) & 0xff),
(int) (($h6 >> 15) & 0xff),
(int) ((($h6 >> 23) | ($h7 << 3)) & 0xff),
(int) (($h7 >> 5) & 0xff),
(int) (($h7 >> 13) & 0xff),
(int) ((($h7 >> 21) | ($h8 << 4)) & 0xff),
(int) (($h8 >> 4) & 0xff),
(int) (($h8 >> 12) & 0xff),
(int) ((($h8 >> 20) | ($h9 << 6)) & 0xff),
(int) (($h9 >> 2) & 0xff),
(int) (($h9 >> 10) & 0xff),
(int) (($h9 >> 18) & 0xff)
);
return self::intArrayToString($s);
}
/**
* Is a field element negative? (1 = yes, 0 = no. Used in calculations.)
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
* @return int
* @throws SodiumException
* @throws TypeError
*/
public static function fe_isnegative(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
{
$str = self::fe_tobytes($f);
return (int) (self::chrToInt($str[0]) & 1);
}
/**
* Returns 0 if this field element results in all NUL bytes.
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function fe_isnonzero(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
{
static $zero;
if ($zero === null) {
$zero = str_repeat("\x00", 32);
}
/** @var string $str */
$str = self::fe_tobytes($f);
/** @var string $zero */
return !self::verify_32($str, $zero);
}
/**
* Multiply two field elements
*
* h = f * g
*
* @internal You should not use this directly from another application
*
* @security Is multiplication a source of timing leaks? If so, can we do
* anything to prevent that from happening?
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $g
* @return ParagonIE_Sodium_Core32_Curve25519_Fe
* @throws SodiumException
* @throws TypeError
*/
public static function fe_mul(
ParagonIE_Sodium_Core32_Curve25519_Fe $f,
ParagonIE_Sodium_Core32_Curve25519_Fe $g
) {
/**
* @var ParagonIE_Sodium_Core32_Int32[] $f
* @var ParagonIE_Sodium_Core32_Int32[] $g
* @var ParagonIE_Sodium_Core32_Int64 $f0
* @var ParagonIE_Sodium_Core32_Int64 $f1
* @var ParagonIE_Sodium_Core32_Int64 $f2
* @var ParagonIE_Sodium_Core32_Int64 $f3
* @var ParagonIE_Sodium_Core32_Int64 $f4
* @var ParagonIE_Sodium_Core32_Int64 $f5
* @var ParagonIE_Sodium_Core32_Int64 $f6
* @var ParagonIE_Sodium_Core32_Int64 $f7
* @var ParagonIE_Sodium_Core32_Int64 $f8
* @var ParagonIE_Sodium_Core32_Int64 $f9
* @var ParagonIE_Sodium_Core32_Int64 $g0
* @var ParagonIE_Sodium_Core32_Int64 $g1
* @var ParagonIE_Sodium_Core32_Int64 $g2
* @var ParagonIE_Sodium_Core32_Int64 $g3
* @var ParagonIE_Sodium_Core32_Int64 $g4
* @var ParagonIE_Sodium_Core32_Int64 $g5
* @var ParagonIE_Sodium_Core32_Int64 $g6
* @var ParagonIE_Sodium_Core32_Int64 $g7
* @var ParagonIE_Sodium_Core32_Int64 $g8
* @var ParagonIE_Sodium_Core32_Int64 $g9
*/
$f0 = $f[0]->toInt64();
$f1 = $f[1]->toInt64();
$f2 = $f[2]->toInt64();
$f3 = $f[3]->toInt64();
$f4 = $f[4]->toInt64();
$f5 = $f[5]->toInt64();
$f6 = $f[6]->toInt64();
$f7 = $f[7]->toInt64();
$f8 = $f[8]->toInt64();
$f9 = $f[9]->toInt64();
$g0 = $g[0]->toInt64();
$g1 = $g[1]->toInt64();
$g2 = $g[2]->toInt64();
$g3 = $g[3]->toInt64();
$g4 = $g[4]->toInt64();
$g5 = $g[5]->toInt64();
$g6 = $g[6]->toInt64();
$g7 = $g[7]->toInt64();
$g8 = $g[8]->toInt64();
$g9 = $g[9]->toInt64();
$g1_19 = $g1->mulInt(19, 5); /* 2^4 <= 19 <= 2^5, but we only want 5 bits */
$g2_19 = $g2->mulInt(19, 5);
$g3_19 = $g3->mulInt(19, 5);
$g4_19 = $g4->mulInt(19, 5);
$g5_19 = $g5->mulInt(19, 5);
$g6_19 = $g6->mulInt(19, 5);
$g7_19 = $g7->mulInt(19, 5);
$g8_19 = $g8->mulInt(19, 5);
$g9_19 = $g9->mulInt(19, 5);
/** @var ParagonIE_Sodium_Core32_Int64 $f1_2 */
$f1_2 = $f1->shiftLeft(1);
/** @var ParagonIE_Sodium_Core32_Int64 $f3_2 */
$f3_2 = $f3->shiftLeft(1);
/** @var ParagonIE_Sodium_Core32_Int64 $f5_2 */
$f5_2 = $f5->shiftLeft(1);
/** @var ParagonIE_Sodium_Core32_Int64 $f7_2 */
$f7_2 = $f7->shiftLeft(1);
/** @var ParagonIE_Sodium_Core32_Int64 $f9_2 */
$f9_2 = $f9->shiftLeft(1);
$f0g0 = $f0->mulInt64($g0, 27);
$f0g1 = $f0->mulInt64($g1, 27);
$f0g2 = $f0->mulInt64($g2, 27);
$f0g3 = $f0->mulInt64($g3, 27);
$f0g4 = $f0->mulInt64($g4, 27);
$f0g5 = $f0->mulInt64($g5, 27);
$f0g6 = $f0->mulInt64($g6, 27);
$f0g7 = $f0->mulInt64($g7, 27);
$f0g8 = $f0->mulInt64($g8, 27);
$f0g9 = $f0->mulInt64($g9, 27);
$f1g0 = $f1->mulInt64($g0, 27);
$f1g1_2 = $f1_2->mulInt64($g1, 27);
$f1g2 = $f1->mulInt64($g2, 27);
$f1g3_2 = $f1_2->mulInt64($g3, 27);
$f1g4 = $f1->mulInt64($g4, 30);
$f1g5_2 = $f1_2->mulInt64($g5, 30);
$f1g6 = $f1->mulInt64($g6, 30);
$f1g7_2 = $f1_2->mulInt64($g7, 30);
$f1g8 = $f1->mulInt64($g8, 30);
$f1g9_38 = $g9_19->mulInt64($f1_2, 30);
$f2g0 = $f2->mulInt64($g0, 30);
$f2g1 = $f2->mulInt64($g1, 29);
$f2g2 = $f2->mulInt64($g2, 30);
$f2g3 = $f2->mulInt64($g3, 29);
$f2g4 = $f2->mulInt64($g4, 30);
$f2g5 = $f2->mulInt64($g5, 29);
$f2g6 = $f2->mulInt64($g6, 30);
$f2g7 = $f2->mulInt64($g7, 29);
$f2g8_19 = $g8_19->mulInt64($f2, 30);
$f2g9_19 = $g9_19->mulInt64($f2, 30);
$f3g0 = $f3->mulInt64($g0, 30);
$f3g1_2 = $f3_2->mulInt64($g1, 30);
$f3g2 = $f3->mulInt64($g2, 30);
$f3g3_2 = $f3_2->mulInt64($g3, 30);
$f3g4 = $f3->mulInt64($g4, 30);
$f3g5_2 = $f3_2->mulInt64($g5, 30);
$f3g6 = $f3->mulInt64($g6, 30);
$f3g7_38 = $g7_19->mulInt64($f3_2, 30);
$f3g8_19 = $g8_19->mulInt64($f3, 30);
$f3g9_38 = $g9_19->mulInt64($f3_2, 30);
$f4g0 = $f4->mulInt64($g0, 30);
$f4g1 = $f4->mulInt64($g1, 30);
$f4g2 = $f4->mulInt64($g2, 30);
$f4g3 = $f4->mulInt64($g3, 30);
$f4g4 = $f4->mulInt64($g4, 30);
$f4g5 = $f4->mulInt64($g5, 30);
$f4g6_19 = $g6_19->mulInt64($f4, 30);
$f4g7_19 = $g7_19->mulInt64($f4, 30);
$f4g8_19 = $g8_19->mulInt64($f4, 30);
$f4g9_19 = $g9_19->mulInt64($f4, 30);
$f5g0 = $f5->mulInt64($g0, 30);
$f5g1_2 = $f5_2->mulInt64($g1, 30);
$f5g2 = $f5->mulInt64($g2, 30);
$f5g3_2 = $f5_2->mulInt64($g3, 30);
$f5g4 = $f5->mulInt64($g4, 30);
$f5g5_38 = $g5_19->mulInt64($f5_2, 30);
$f5g6_19 = $g6_19->mulInt64($f5, 30);
$f5g7_38 = $g7_19->mulInt64($f5_2, 30);
$f5g8_19 = $g8_19->mulInt64($f5, 30);
$f5g9_38 = $g9_19->mulInt64($f5_2, 30);
$f6g0 = $f6->mulInt64($g0, 30);
$f6g1 = $f6->mulInt64($g1, 30);
$f6g2 = $f6->mulInt64($g2, 30);
$f6g3 = $f6->mulInt64($g3, 30);
$f6g4_19 = $g4_19->mulInt64($f6, 30);
$f6g5_19 = $g5_19->mulInt64($f6, 30);
$f6g6_19 = $g6_19->mulInt64($f6, 30);
$f6g7_19 = $g7_19->mulInt64($f6, 30);
$f6g8_19 = $g8_19->mulInt64($f6, 30);
$f6g9_19 = $g9_19->mulInt64($f6, 30);
$f7g0 = $f7->mulInt64($g0, 30);
$f7g1_2 = $g1->mulInt64($f7_2, 30);
$f7g2 = $f7->mulInt64($g2, 30);
$f7g3_38 = $g3_19->mulInt64($f7_2, 30);
$f7g4_19 = $g4_19->mulInt64($f7, 30);
$f7g5_38 = $g5_19->mulInt64($f7_2, 30);
$f7g6_19 = $g6_19->mulInt64($f7, 30);
$f7g7_38 = $g7_19->mulInt64($f7_2, 30);
$f7g8_19 = $g8_19->mulInt64($f7, 30);
$f7g9_38 = $g9_19->mulInt64($f7_2, 30);
$f8g0 = $f8->mulInt64($g0, 30);
$f8g1 = $f8->mulInt64($g1, 29);
$f8g2_19 = $g2_19->mulInt64($f8, 30);
$f8g3_19 = $g3_19->mulInt64($f8, 30);
$f8g4_19 = $g4_19->mulInt64($f8, 30);
$f8g5_19 = $g5_19->mulInt64($f8, 30);
$f8g6_19 = $g6_19->mulInt64($f8, 30);
$f8g7_19 = $g7_19->mulInt64($f8, 30);
$f8g8_19 = $g8_19->mulInt64($f8, 30);
$f8g9_19 = $g9_19->mulInt64($f8, 30);
$f9g0 = $f9->mulInt64($g0, 30);
$f9g1_38 = $g1_19->mulInt64($f9_2, 30);
$f9g2_19 = $g2_19->mulInt64($f9, 30);
$f9g3_38 = $g3_19->mulInt64($f9_2, 30);
$f9g4_19 = $g4_19->mulInt64($f9, 30);
$f9g5_38 = $g5_19->mulInt64($f9_2, 30);
$f9g6_19 = $g6_19->mulInt64($f9, 30);
$f9g7_38 = $g7_19->mulInt64($f9_2, 30);
$f9g8_19 = $g8_19->mulInt64($f9, 30);
$f9g9_38 = $g9_19->mulInt64($f9_2, 30);
// $h0 = $f0g0 + $f1g9_38 + $f2g8_19 + $f3g7_38 + $f4g6_19 + $f5g5_38 + $f6g4_19 + $f7g3_38 + $f8g2_19 + $f9g1_38;
$h0 = $f0g0->addInt64($f1g9_38)->addInt64($f2g8_19)->addInt64($f3g7_38)
->addInt64($f4g6_19)->addInt64($f5g5_38)->addInt64($f6g4_19)
->addInt64($f7g3_38)->addInt64($f8g2_19)->addInt64($f9g1_38);
// $h1 = $f0g1 + $f1g0 + $f2g9_19 + $f3g8_19 + $f4g7_19 + $f5g6_19 + $f6g5_19 + $f7g4_19 + $f8g3_19 + $f9g2_19;
$h1 = $f0g1->addInt64($f1g0)->addInt64($f2g9_19)->addInt64($f3g8_19)
->addInt64($f4g7_19)->addInt64($f5g6_19)->addInt64($f6g5_19)
->addInt64($f7g4_19)->addInt64($f8g3_19)->addInt64($f9g2_19);
// $h2 = $f0g2 + $f1g1_2 + $f2g0 + $f3g9_38 + $f4g8_19 + $f5g7_38 + $f6g6_19 + $f7g5_38 + $f8g4_19 + $f9g3_38;
$h2 = $f0g2->addInt64($f1g1_2)->addInt64($f2g0)->addInt64($f3g9_38)
->addInt64($f4g8_19)->addInt64($f5g7_38)->addInt64($f6g6_19)
->addInt64($f7g5_38)->addInt64($f8g4_19)->addInt64($f9g3_38);
// $h3 = $f0g3 + $f1g2 + $f2g1 + $f3g0 + $f4g9_19 + $f5g8_19 + $f6g7_19 + $f7g6_19 + $f8g5_19 + $f9g4_19;
$h3 = $f0g3->addInt64($f1g2)->addInt64($f2g1)->addInt64($f3g0)
->addInt64($f4g9_19)->addInt64($f5g8_19)->addInt64($f6g7_19)
->addInt64($f7g6_19)->addInt64($f8g5_19)->addInt64($f9g4_19);
// $h4 = $f0g4 + $f1g3_2 + $f2g2 + $f3g1_2 + $f4g0 + $f5g9_38 + $f6g8_19 + $f7g7_38 + $f8g6_19 + $f9g5_38;
$h4 = $f0g4->addInt64($f1g3_2)->addInt64($f2g2)->addInt64($f3g1_2)
->addInt64($f4g0)->addInt64($f5g9_38)->addInt64($f6g8_19)
->addInt64($f7g7_38)->addInt64($f8g6_19)->addInt64($f9g5_38);
// $h5 = $f0g5 + $f1g4 + $f2g3 + $f3g2 + $f4g1 + $f5g0 + $f6g9_19 + $f7g8_19 + $f8g7_19 + $f9g6_19;
$h5 = $f0g5->addInt64($f1g4)->addInt64($f2g3)->addInt64($f3g2)
->addInt64($f4g1)->addInt64($f5g0)->addInt64($f6g9_19)
->addInt64($f7g8_19)->addInt64($f8g7_19)->addInt64($f9g6_19);
// $h6 = $f0g6 + $f1g5_2 + $f2g4 + $f3g3_2 + $f4g2 + $f5g1_2 + $f6g0 + $f7g9_38 + $f8g8_19 + $f9g7_38;
$h6 = $f0g6->addInt64($f1g5_2)->addInt64($f2g4)->addInt64($f3g3_2)
->addInt64($f4g2)->addInt64($f5g1_2)->addInt64($f6g0)
->addInt64($f7g9_38)->addInt64($f8g8_19)->addInt64($f9g7_38);
// $h7 = $f0g7 + $f1g6 + $f2g5 + $f3g4 + $f4g3 + $f5g2 + $f6g1 + $f7g0 + $f8g9_19 + $f9g8_19;
$h7 = $f0g7->addInt64($f1g6)->addInt64($f2g5)->addInt64($f3g4)
->addInt64($f4g3)->addInt64($f5g2)->addInt64($f6g1)
->addInt64($f7g0)->addInt64($f8g9_19)->addInt64($f9g8_19);
// $h8 = $f0g8 + $f1g7_2 + $f2g6 + $f3g5_2 + $f4g4 + $f5g3_2 + $f6g2 + $f7g1_2 + $f8g0 + $f9g9_38;
$h8 = $f0g8->addInt64($f1g7_2)->addInt64($f2g6)->addInt64($f3g5_2)
->addInt64($f4g4)->addInt64($f5g3_2)->addInt64($f6g2)
->addInt64($f7g1_2)->addInt64($f8g0)->addInt64($f9g9_38);
// $h9 = $f0g9 + $f1g8 + $f2g7 + $f3g6 + $f4g5 + $f5g4 + $f6g3 + $f7g2 + $f8g1 + $f9g0 ;
$h9 = $f0g9->addInt64($f1g8)->addInt64($f2g7)->addInt64($f3g6)
->addInt64($f4g5)->addInt64($f5g4)->addInt64($f6g3)
->addInt64($f7g2)->addInt64($f8g1)->addInt64($f9g0);
/**
* @var ParagonIE_Sodium_Core32_Int64 $h0
* @var ParagonIE_Sodium_Core32_Int64 $h1
* @var ParagonIE_Sodium_Core32_Int64 $h2
* @var ParagonIE_Sodium_Core32_Int64 $h3
* @var ParagonIE_Sodium_Core32_Int64 $h4
* @var ParagonIE_Sodium_Core32_Int64 $h5
* @var ParagonIE_Sodium_Core32_Int64 $h6
* @var ParagonIE_Sodium_Core32_Int64 $h7
* @var ParagonIE_Sodium_Core32_Int64 $h8
* @var ParagonIE_Sodium_Core32_Int64 $h9
* @var ParagonIE_Sodium_Core32_Int64 $carry0
* @var ParagonIE_Sodium_Core32_Int64 $carry1
* @var ParagonIE_Sodium_Core32_Int64 $carry2
* @var ParagonIE_Sodium_Core32_Int64 $carry3
* @var ParagonIE_Sodium_Core32_Int64 $carry4
* @var ParagonIE_Sodium_Core32_Int64 $carry5
* @var ParagonIE_Sodium_Core32_Int64 $carry6
* @var ParagonIE_Sodium_Core32_Int64 $carry7
* @var ParagonIE_Sodium_Core32_Int64 $carry8
* @var ParagonIE_Sodium_Core32_Int64 $carry9
*/
$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
$h1 = $h1->addInt64($carry0);
$h0 = $h0->subInt64($carry0->shiftLeft(26));
$carry4 = $h4->addInt(1 << 25)->shiftRight(26);
$h5 = $h5->addInt64($carry4);
$h4 = $h4->subInt64($carry4->shiftLeft(26));
$carry1 = $h1->addInt(1 << 24)->shiftRight(25);
$h2 = $h2->addInt64($carry1);
$h1 = $h1->subInt64($carry1->shiftLeft(25));
$carry5 = $h5->addInt(1 << 24)->shiftRight(25);
$h6 = $h6->addInt64($carry5);
$h5 = $h5->subInt64($carry5->shiftLeft(25));
$carry2 = $h2->addInt(1 << 25)->shiftRight(26);
$h3 = $h3->addInt64($carry2);
$h2 = $h2->subInt64($carry2->shiftLeft(26));
$carry6 = $h6->addInt(1 << 25)->shiftRight(26);
$h7 = $h7->addInt64($carry6);
$h6 = $h6->subInt64($carry6->shiftLeft(26));
$carry3 = $h3->addInt(1 << 24)->shiftRight(25);
$h4 = $h4->addInt64($carry3);
$h3 = $h3->subInt64($carry3->shiftLeft(25));
$carry7 = $h7->addInt(1 << 24)->shiftRight(25);
$h8 = $h8->addInt64($carry7);
$h7 = $h7->subInt64($carry7->shiftLeft(25));
$carry4 = $h4->addInt(1 << 25)->shiftRight(26);
$h5 = $h5->addInt64($carry4);
$h4 = $h4->subInt64($carry4->shiftLeft(26));
$carry8 = $h8->addInt(1 << 25)->shiftRight(26);
$h9 = $h9->addInt64($carry8);
$h8 = $h8->subInt64($carry8->shiftLeft(26));
$carry9 = $h9->addInt(1 << 24)->shiftRight(25);
$h0 = $h0->addInt64($carry9->mulInt(19, 5));
$h9 = $h9->subInt64($carry9->shiftLeft(25));
$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
$h1 = $h1->addInt64($carry0);
$h0 = $h0->subInt64($carry0->shiftLeft(26));
return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array(
$h0->toInt32(),
$h1->toInt32(),
$h2->toInt32(),
$h3->toInt32(),
$h4->toInt32(),
$h5->toInt32(),
$h6->toInt32(),
$h7->toInt32(),
$h8->toInt32(),
$h9->toInt32()
)
);
}
/**
* Get the negative values for each piece of the field element.
*
* h = -f
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
* @return ParagonIE_Sodium_Core32_Curve25519_Fe
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedMethodCall
*/
public static function fe_neg(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
{
$h = new ParagonIE_Sodium_Core32_Curve25519_Fe();
for ($i = 0; $i < 10; ++$i) {
$h[$i] = $h[$i]->subInt32($f[$i]);
}
return $h;
}
/**
* Square a field element
*
* h = f * f
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
* @return ParagonIE_Sodium_Core32_Curve25519_Fe
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedMethodCall
*/
public static function fe_sq(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
{
/** @var ParagonIE_Sodium_Core32_Int64 $f0 */
$f0 = $f[0]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f1 */
$f1 = $f[1]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f2 */
$f2 = $f[2]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f3 */
$f3 = $f[3]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f4 */
$f4 = $f[4]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f5 */
$f5 = $f[5]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f6 */
$f6 = $f[6]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f7 */
$f7 = $f[7]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f8 */
$f8 = $f[8]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f9 */
$f9 = $f[9]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f0_2 */
$f0_2 = $f0->shiftLeft(1);
$f1_2 = $f1->shiftLeft(1);
$f2_2 = $f2->shiftLeft(1);
$f3_2 = $f3->shiftLeft(1);
$f4_2 = $f4->shiftLeft(1);
$f5_2 = $f5->shiftLeft(1);
$f6_2 = $f6->shiftLeft(1);
$f7_2 = $f7->shiftLeft(1);
$f5_38 = $f5->mulInt(38, 6);
$f6_19 = $f6->mulInt(19, 5);
$f7_38 = $f7->mulInt(38, 6);
$f8_19 = $f8->mulInt(19, 5);
$f9_38 = $f9->mulInt(38, 6);
/** @var ParagonIE_Sodium_Core32_Int64 $f0f0*/
$f0f0 = $f0->mulInt64($f0, 28);
$f0f1_2 = $f0_2->mulInt64($f1, 28);
$f0f2_2 = $f0_2->mulInt64($f2, 28);
$f0f3_2 = $f0_2->mulInt64($f3, 28);
$f0f4_2 = $f0_2->mulInt64($f4, 28);
$f0f5_2 = $f0_2->mulInt64($f5, 28);
$f0f6_2 = $f0_2->mulInt64($f6, 28);
$f0f7_2 = $f0_2->mulInt64($f7, 28);
$f0f8_2 = $f0_2->mulInt64($f8, 28);
$f0f9_2 = $f0_2->mulInt64($f9, 28);
$f1f1_2 = $f1_2->mulInt64($f1, 28);
$f1f2_2 = $f1_2->mulInt64($f2, 28);
$f1f3_4 = $f1_2->mulInt64($f3_2, 28);
$f1f4_2 = $f1_2->mulInt64($f4, 28);
$f1f5_4 = $f1_2->mulInt64($f5_2, 30);
$f1f6_2 = $f1_2->mulInt64($f6, 28);
$f1f7_4 = $f1_2->mulInt64($f7_2, 28);
$f1f8_2 = $f1_2->mulInt64($f8, 28);
$f1f9_76 = $f9_38->mulInt64($f1_2, 30);
$f2f2 = $f2->mulInt64($f2, 28);
$f2f3_2 = $f2_2->mulInt64($f3, 28);
$f2f4_2 = $f2_2->mulInt64($f4, 28);
$f2f5_2 = $f2_2->mulInt64($f5, 28);
$f2f6_2 = $f2_2->mulInt64($f6, 28);
$f2f7_2 = $f2_2->mulInt64($f7, 28);
$f2f8_38 = $f8_19->mulInt64($f2_2, 30);
$f2f9_38 = $f9_38->mulInt64($f2, 30);
$f3f3_2 = $f3_2->mulInt64($f3, 28);
$f3f4_2 = $f3_2->mulInt64($f4, 28);
$f3f5_4 = $f3_2->mulInt64($f5_2, 30);
$f3f6_2 = $f3_2->mulInt64($f6, 28);
$f3f7_76 = $f7_38->mulInt64($f3_2, 30);
$f3f8_38 = $f8_19->mulInt64($f3_2, 30);
$f3f9_76 = $f9_38->mulInt64($f3_2, 30);
$f4f4 = $f4->mulInt64($f4, 28);
$f4f5_2 = $f4_2->mulInt64($f5, 28);
$f4f6_38 = $f6_19->mulInt64($f4_2, 30);
$f4f7_38 = $f7_38->mulInt64($f4, 30);
$f4f8_38 = $f8_19->mulInt64($f4_2, 30);
$f4f9_38 = $f9_38->mulInt64($f4, 30);
$f5f5_38 = $f5_38->mulInt64($f5, 30);
$f5f6_38 = $f6_19->mulInt64($f5_2, 30);
$f5f7_76 = $f7_38->mulInt64($f5_2, 30);
$f5f8_38 = $f8_19->mulInt64($f5_2, 30);
$f5f9_76 = $f9_38->mulInt64($f5_2, 30);
$f6f6_19 = $f6_19->mulInt64($f6, 30);
$f6f7_38 = $f7_38->mulInt64($f6, 30);
$f6f8_38 = $f8_19->mulInt64($f6_2, 30);
$f6f9_38 = $f9_38->mulInt64($f6, 30);
$f7f7_38 = $f7_38->mulInt64($f7, 28);
$f7f8_38 = $f8_19->mulInt64($f7_2, 30);
$f7f9_76 = $f9_38->mulInt64($f7_2, 30);
$f8f8_19 = $f8_19->mulInt64($f8, 30);
$f8f9_38 = $f9_38->mulInt64($f8, 30);
$f9f9_38 = $f9_38->mulInt64($f9, 28);
$h0 = $f0f0->addInt64($f1f9_76)->addInt64($f2f8_38)->addInt64($f3f7_76)->addInt64($f4f6_38)->addInt64($f5f5_38);
$h1 = $f0f1_2->addInt64($f2f9_38)->addInt64($f3f8_38)->addInt64($f4f7_38)->addInt64($f5f6_38);
$h2 = $f0f2_2->addInt64($f1f1_2)->addInt64($f3f9_76)->addInt64($f4f8_38)->addInt64($f5f7_76)->addInt64($f6f6_19);
$h3 = $f0f3_2->addInt64($f1f2_2)->addInt64($f4f9_38)->addInt64($f5f8_38)->addInt64($f6f7_38);
$h4 = $f0f4_2->addInt64($f1f3_4)->addInt64($f2f2)->addInt64($f5f9_76)->addInt64($f6f8_38)->addInt64($f7f7_38);
$h5 = $f0f5_2->addInt64($f1f4_2)->addInt64($f2f3_2)->addInt64($f6f9_38)->addInt64($f7f8_38);
$h6 = $f0f6_2->addInt64($f1f5_4)->addInt64($f2f4_2)->addInt64($f3f3_2)->addInt64($f7f9_76)->addInt64($f8f8_19);
$h7 = $f0f7_2->addInt64($f1f6_2)->addInt64($f2f5_2)->addInt64($f3f4_2)->addInt64($f8f9_38);
$h8 = $f0f8_2->addInt64($f1f7_4)->addInt64($f2f6_2)->addInt64($f3f5_4)->addInt64($f4f4)->addInt64($f9f9_38);
$h9 = $f0f9_2->addInt64($f1f8_2)->addInt64($f2f7_2)->addInt64($f3f6_2)->addInt64($f4f5_2);
/**
* @var ParagonIE_Sodium_Core32_Int64 $h0
* @var ParagonIE_Sodium_Core32_Int64 $h1
* @var ParagonIE_Sodium_Core32_Int64 $h2
* @var ParagonIE_Sodium_Core32_Int64 $h3
* @var ParagonIE_Sodium_Core32_Int64 $h4
* @var ParagonIE_Sodium_Core32_Int64 $h5
* @var ParagonIE_Sodium_Core32_Int64 $h6
* @var ParagonIE_Sodium_Core32_Int64 $h7
* @var ParagonIE_Sodium_Core32_Int64 $h8
* @var ParagonIE_Sodium_Core32_Int64 $h9
*/
$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
$h1 = $h1->addInt64($carry0);
$h0 = $h0->subInt64($carry0->shiftLeft(26));
$carry4 = $h4->addInt(1 << 25)->shiftRight(26);
$h5 = $h5->addInt64($carry4);
$h4 = $h4->subInt64($carry4->shiftLeft(26));
$carry1 = $h1->addInt(1 << 24)->shiftRight(25);
$h2 = $h2->addInt64($carry1);
$h1 = $h1->subInt64($carry1->shiftLeft(25));
$carry5 = $h5->addInt(1 << 24)->shiftRight(25);
$h6 = $h6->addInt64($carry5);
$h5 = $h5->subInt64($carry5->shiftLeft(25));
$carry2 = $h2->addInt(1 << 25)->shiftRight(26);
$h3 = $h3->addInt64($carry2);
$h2 = $h2->subInt64($carry2->shiftLeft(26));
$carry6 = $h6->addInt(1 << 25)->shiftRight(26);
$h7 = $h7->addInt64($carry6);
$h6 = $h6->subInt64($carry6->shiftLeft(26));
$carry3 = $h3->addInt(1 << 24)->shiftRight(25);
$h4 = $h4->addInt64($carry3);
$h3 = $h3->subInt64($carry3->shiftLeft(25));
$carry7 = $h7->addInt(1 << 24)->shiftRight(25);
$h8 = $h8->addInt64($carry7);
$h7 = $h7->subInt64($carry7->shiftLeft(25));
$carry4 = $h4->addInt(1 << 25)->shiftRight(26);
$h5 = $h5->addInt64($carry4);
$h4 = $h4->subInt64($carry4->shiftLeft(26));
$carry8 = $h8->addInt(1 << 25)->shiftRight(26);
$h9 = $h9->addInt64($carry8);
$h8 = $h8->subInt64($carry8->shiftLeft(26));
$carry9 = $h9->addInt(1 << 24)->shiftRight(25);
$h0 = $h0->addInt64($carry9->mulInt(19, 5));
$h9 = $h9->subInt64($carry9->shiftLeft(25));
$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
$h1 = $h1->addInt64($carry0);
$h0 = $h0->subInt64($carry0->shiftLeft(26));
return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array(
$h0->toInt32(),
$h1->toInt32(),
$h2->toInt32(),
$h3->toInt32(),
$h4->toInt32(),
$h5->toInt32(),
$h6->toInt32(),
$h7->toInt32(),
$h8->toInt32(),
$h9->toInt32()
)
);
}
/**
* Square and double a field element
*
* h = 2 * f * f
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
* @return ParagonIE_Sodium_Core32_Curve25519_Fe
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedMethodCall
*/
public static function fe_sq2(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
{
/** @var ParagonIE_Sodium_Core32_Int64 $f0 */
$f0 = $f[0]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f1 */
$f1 = $f[1]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f2 */
$f2 = $f[2]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f3 */
$f3 = $f[3]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f4 */
$f4 = $f[4]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f5 */
$f5 = $f[5]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f6 */
$f6 = $f[6]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f7 */
$f7 = $f[7]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f8 */
$f8 = $f[8]->toInt64();
/** @var ParagonIE_Sodium_Core32_Int64 $f9 */
$f9 = $f[9]->toInt64();
$f0_2 = $f0->shiftLeft(1);
$f1_2 = $f1->shiftLeft(1);
$f2_2 = $f2->shiftLeft(1);
$f3_2 = $f3->shiftLeft(1);
$f4_2 = $f4->shiftLeft(1);
$f5_2 = $f5->shiftLeft(1);
$f6_2 = $f6->shiftLeft(1);
$f7_2 = $f7->shiftLeft(1);
$f5_38 = $f5->mulInt(38, 6); /* 1.959375*2^30 */
$f6_19 = $f6->mulInt(19, 5); /* 1.959375*2^30 */
$f7_38 = $f7->mulInt(38, 6); /* 1.959375*2^30 */
$f8_19 = $f8->mulInt(19, 5); /* 1.959375*2^30 */
$f9_38 = $f9->mulInt(38, 6); /* 1.959375*2^30 */
$f0f0 = $f0->mulInt64($f0, 28);
$f0f1_2 = $f0_2->mulInt64($f1, 28);
$f0f2_2 = $f0_2->mulInt64($f2, 28);
$f0f3_2 = $f0_2->mulInt64($f3, 28);
$f0f4_2 = $f0_2->mulInt64($f4, 28);
$f0f5_2 = $f0_2->mulInt64($f5, 28);
$f0f6_2 = $f0_2->mulInt64($f6, 28);
$f0f7_2 = $f0_2->mulInt64($f7, 28);
$f0f8_2 = $f0_2->mulInt64($f8, 28);
$f0f9_2 = $f0_2->mulInt64($f9, 28);
$f1f1_2 = $f1_2->mulInt64($f1, 28);
$f1f2_2 = $f1_2->mulInt64($f2, 28);
$f1f3_4 = $f1_2->mulInt64($f3_2, 29);
$f1f4_2 = $f1_2->mulInt64($f4, 28);
$f1f5_4 = $f1_2->mulInt64($f5_2, 29);
$f1f6_2 = $f1_2->mulInt64($f6, 28);
$f1f7_4 = $f1_2->mulInt64($f7_2, 29);
$f1f8_2 = $f1_2->mulInt64($f8, 28);
$f1f9_76 = $f9_38->mulInt64($f1_2, 29);
$f2f2 = $f2->mulInt64($f2, 28);
$f2f3_2 = $f2_2->mulInt64($f3, 28);
$f2f4_2 = $f2_2->mulInt64($f4, 28);
$f2f5_2 = $f2_2->mulInt64($f5, 28);
$f2f6_2 = $f2_2->mulInt64($f6, 28);
$f2f7_2 = $f2_2->mulInt64($f7, 28);
$f2f8_38 = $f8_19->mulInt64($f2_2, 29);
$f2f9_38 = $f9_38->mulInt64($f2, 29);
$f3f3_2 = $f3_2->mulInt64($f3, 28);
$f3f4_2 = $f3_2->mulInt64($f4, 28);
$f3f5_4 = $f3_2->mulInt64($f5_2, 28);
$f3f6_2 = $f3_2->mulInt64($f6, 28);
$f3f7_76 = $f7_38->mulInt64($f3_2, 29);
$f3f8_38 = $f8_19->mulInt64($f3_2, 29);
$f3f9_76 = $f9_38->mulInt64($f3_2, 29);
$f4f4 = $f4->mulInt64($f4, 28);
$f4f5_2 = $f4_2->mulInt64($f5, 28);
$f4f6_38 = $f6_19->mulInt64($f4_2, 29);
$f4f7_38 = $f7_38->mulInt64($f4, 29);
$f4f8_38 = $f8_19->mulInt64($f4_2, 29);
$f4f9_38 = $f9_38->mulInt64($f4, 29);
$f5f5_38 = $f5_38->mulInt64($f5, 29);
$f5f6_38 = $f6_19->mulInt64($f5_2, 29);
$f5f7_76 = $f7_38->mulInt64($f5_2, 29);
$f5f8_38 = $f8_19->mulInt64($f5_2, 29);
$f5f9_76 = $f9_38->mulInt64($f5_2, 29);
$f6f6_19 = $f6_19->mulInt64($f6, 29);
$f6f7_38 = $f7_38->mulInt64($f6, 29);
$f6f8_38 = $f8_19->mulInt64($f6_2, 29);
$f6f9_38 = $f9_38->mulInt64($f6, 29);
$f7f7_38 = $f7_38->mulInt64($f7, 29);
$f7f8_38 = $f8_19->mulInt64($f7_2, 29);
$f7f9_76 = $f9_38->mulInt64($f7_2, 29);
$f8f8_19 = $f8_19->mulInt64($f8, 29);
$f8f9_38 = $f9_38->mulInt64($f8, 29);
$f9f9_38 = $f9_38->mulInt64($f9, 29);
$h0 = $f0f0->addInt64($f1f9_76)->addInt64($f2f8_38)->addInt64($f3f7_76)->addInt64($f4f6_38)->addInt64($f5f5_38);
$h1 = $f0f1_2->addInt64($f2f9_38)->addInt64($f3f8_38)->addInt64($f4f7_38)->addInt64($f5f6_38);
$h2 = $f0f2_2->addInt64($f1f1_2)->addInt64($f3f9_76)->addInt64($f4f8_38)->addInt64($f5f7_76)->addInt64($f6f6_19);
$h3 = $f0f3_2->addInt64($f1f2_2)->addInt64($f4f9_38)->addInt64($f5f8_38)->addInt64($f6f7_38);
$h4 = $f0f4_2->addInt64($f1f3_4)->addInt64($f2f2)->addInt64($f5f9_76)->addInt64($f6f8_38)->addInt64($f7f7_38);
$h5 = $f0f5_2->addInt64($f1f4_2)->addInt64($f2f3_2)->addInt64($f6f9_38)->addInt64($f7f8_38);
$h6 = $f0f6_2->addInt64($f1f5_4)->addInt64($f2f4_2)->addInt64($f3f3_2)->addInt64($f7f9_76)->addInt64($f8f8_19);
$h7 = $f0f7_2->addInt64($f1f6_2)->addInt64($f2f5_2)->addInt64($f3f4_2)->addInt64($f8f9_38);
$h8 = $f0f8_2->addInt64($f1f7_4)->addInt64($f2f6_2)->addInt64($f3f5_4)->addInt64($f4f4)->addInt64($f9f9_38);
$h9 = $f0f9_2->addInt64($f1f8_2)->addInt64($f2f7_2)->addInt64($f3f6_2)->addInt64($f4f5_2);
/**
* @var ParagonIE_Sodium_Core32_Int64 $h0
* @var ParagonIE_Sodium_Core32_Int64 $h1
* @var ParagonIE_Sodium_Core32_Int64 $h2
* @var ParagonIE_Sodium_Core32_Int64 $h3
* @var ParagonIE_Sodium_Core32_Int64 $h4
* @var ParagonIE_Sodium_Core32_Int64 $h5
* @var ParagonIE_Sodium_Core32_Int64 $h6
* @var ParagonIE_Sodium_Core32_Int64 $h7
* @var ParagonIE_Sodium_Core32_Int64 $h8
* @var ParagonIE_Sodium_Core32_Int64 $h9
*/
$h0 = $h0->shiftLeft(1);
$h1 = $h1->shiftLeft(1);
$h2 = $h2->shiftLeft(1);
$h3 = $h3->shiftLeft(1);
$h4 = $h4->shiftLeft(1);
$h5 = $h5->shiftLeft(1);
$h6 = $h6->shiftLeft(1);
$h7 = $h7->shiftLeft(1);
$h8 = $h8->shiftLeft(1);
$h9 = $h9->shiftLeft(1);
$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
$h1 = $h1->addInt64($carry0);
$h0 = $h0->subInt64($carry0->shiftLeft(26));
$carry4 = $h4->addInt(1 << 25)->shiftRight(26);
$h5 = $h5->addInt64($carry4);
$h4 = $h4->subInt64($carry4->shiftLeft(26));
$carry1 = $h1->addInt(1 << 24)->shiftRight(25);
$h2 = $h2->addInt64($carry1);
$h1 = $h1->subInt64($carry1->shiftLeft(25));
$carry5 = $h5->addInt(1 << 24)->shiftRight(25);
$h6 = $h6->addInt64($carry5);
$h5 = $h5->subInt64($carry5->shiftLeft(25));
$carry2 = $h2->addInt(1 << 25)->shiftRight(26);
$h3 = $h3->addInt64($carry2);
$h2 = $h2->subInt64($carry2->shiftLeft(26));
$carry6 = $h6->addInt(1 << 25)->shiftRight(26);
$h7 = $h7->addInt64($carry6);
$h6 = $h6->subInt64($carry6->shiftLeft(26));
$carry3 = $h3->addInt(1 << 24)->shiftRight(25);
$h4 = $h4->addInt64($carry3);
$h3 = $h3->subInt64($carry3->shiftLeft(25));
$carry7 = $h7->addInt(1 << 24)->shiftRight(25);
$h8 = $h8->addInt64($carry7);
$h7 = $h7->subInt64($carry7->shiftLeft(25));
$carry4 = $h4->addInt(1 << 25)->shiftRight(26);
$h5 = $h5->addInt64($carry4);
$h4 = $h4->subInt64($carry4->shiftLeft(26));
$carry8 = $h8->addInt(1 << 25)->shiftRight(26);
$h9 = $h9->addInt64($carry8);
$h8 = $h8->subInt64($carry8->shiftLeft(26));
$carry9 = $h9->addInt(1 << 24)->shiftRight(25);
$h0 = $h0->addInt64($carry9->mulInt(19, 5));
$h9 = $h9->subInt64($carry9->shiftLeft(25));
$carry0 = $h0->addInt(1 << 25)->shiftRight(26);
$h1 = $h1->addInt64($carry0);
$h0 = $h0->subInt64($carry0->shiftLeft(26));
return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array(
$h0->toInt32(),
$h1->toInt32(),
$h2->toInt32(),
$h3->toInt32(),
$h4->toInt32(),
$h5->toInt32(),
$h6->toInt32(),
$h7->toInt32(),
$h8->toInt32(),
$h9->toInt32()
)
);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $Z
* @return ParagonIE_Sodium_Core32_Curve25519_Fe
* @throws SodiumException
* @throws TypeError
*/
public static function fe_invert(ParagonIE_Sodium_Core32_Curve25519_Fe $Z)
{
$z = clone $Z;
$t0 = self::fe_sq($z);
$t1 = self::fe_sq($t0);
$t1 = self::fe_sq($t1);
$t1 = self::fe_mul($z, $t1);
$t0 = self::fe_mul($t0, $t1);
$t2 = self::fe_sq($t0);
$t1 = self::fe_mul($t1, $t2);
$t2 = self::fe_sq($t1);
for ($i = 1; $i < 5; ++$i) {
$t2 = self::fe_sq($t2);
}
$t1 = self::fe_mul($t2, $t1);
$t2 = self::fe_sq($t1);
for ($i = 1; $i < 10; ++$i) {
$t2 = self::fe_sq($t2);
}
$t2 = self::fe_mul($t2, $t1);
$t3 = self::fe_sq($t2);
for ($i = 1; $i < 20; ++$i) {
$t3 = self::fe_sq($t3);
}
$t2 = self::fe_mul($t3, $t2);
$t2 = self::fe_sq($t2);
for ($i = 1; $i < 10; ++$i) {
$t2 = self::fe_sq($t2);
}
$t1 = self::fe_mul($t2, $t1);
$t2 = self::fe_sq($t1);
for ($i = 1; $i < 50; ++$i) {
$t2 = self::fe_sq($t2);
}
$t2 = self::fe_mul($t2, $t1);
$t3 = self::fe_sq($t2);
for ($i = 1; $i < 100; ++$i) {
$t3 = self::fe_sq($t3);
}
$t2 = self::fe_mul($t3, $t2);
$t2 = self::fe_sq($t2);
for ($i = 1; $i < 50; ++$i) {
$t2 = self::fe_sq($t2);
}
$t1 = self::fe_mul($t2, $t1);
$t1 = self::fe_sq($t1);
for ($i = 1; $i < 5; ++$i) {
$t1 = self::fe_sq($t1);
}
return self::fe_mul($t1, $t0);
}
/**
* @internal You should not use this directly from another application
*
* @ref https://github.com/jedisct1/libsodium/blob/68564326e1e9dc57ef03746f85734232d20ca6fb/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1054-L1106
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $z
* @return ParagonIE_Sodium_Core32_Curve25519_Fe
* @throws SodiumException
* @throws TypeError
*/
public static function fe_pow22523(ParagonIE_Sodium_Core32_Curve25519_Fe $z)
{
# fe_sq(t0, z);
# fe_sq(t1, t0);
# fe_sq(t1, t1);
# fe_mul(t1, z, t1);
# fe_mul(t0, t0, t1);
# fe_sq(t0, t0);
# fe_mul(t0, t1, t0);
# fe_sq(t1, t0);
$t0 = self::fe_sq($z);
$t1 = self::fe_sq($t0);
$t1 = self::fe_sq($t1);
$t1 = self::fe_mul($z, $t1);
$t0 = self::fe_mul($t0, $t1);
$t0 = self::fe_sq($t0);
$t0 = self::fe_mul($t1, $t0);
$t1 = self::fe_sq($t0);
# for (i = 1; i < 5; ++i) {
# fe_sq(t1, t1);
# }
for ($i = 1; $i < 5; ++$i) {
$t1 = self::fe_sq($t1);
}
# fe_mul(t0, t1, t0);
# fe_sq(t1, t0);
$t0 = self::fe_mul($t1, $t0);
$t1 = self::fe_sq($t0);
# for (i = 1; i < 10; ++i) {
# fe_sq(t1, t1);
# }
for ($i = 1; $i < 10; ++$i) {
$t1 = self::fe_sq($t1);
}
# fe_mul(t1, t1, t0);
# fe_sq(t2, t1);
$t1 = self::fe_mul($t1, $t0);
$t2 = self::fe_sq($t1);
# for (i = 1; i < 20; ++i) {
# fe_sq(t2, t2);
# }
for ($i = 1; $i < 20; ++$i) {
$t2 = self::fe_sq($t2);
}
# fe_mul(t1, t2, t1);
# fe_sq(t1, t1);
$t1 = self::fe_mul($t2, $t1);
$t1 = self::fe_sq($t1);
# for (i = 1; i < 10; ++i) {
# fe_sq(t1, t1);
# }
for ($i = 1; $i < 10; ++$i) {
$t1 = self::fe_sq($t1);
}
# fe_mul(t0, t1, t0);
# fe_sq(t1, t0);
$t0 = self::fe_mul($t1, $t0);
$t1 = self::fe_sq($t0);
# for (i = 1; i < 50; ++i) {
# fe_sq(t1, t1);
# }
for ($i = 1; $i < 50; ++$i) {
$t1 = self::fe_sq($t1);
}
# fe_mul(t1, t1, t0);
# fe_sq(t2, t1);
$t1 = self::fe_mul($t1, $t0);
$t2 = self::fe_sq($t1);
# for (i = 1; i < 100; ++i) {
# fe_sq(t2, t2);
# }
for ($i = 1; $i < 100; ++$i) {
$t2 = self::fe_sq($t2);
}
# fe_mul(t1, t2, t1);
# fe_sq(t1, t1);
$t1 = self::fe_mul($t2, $t1);
$t1 = self::fe_sq($t1);
# for (i = 1; i < 50; ++i) {
# fe_sq(t1, t1);
# }
for ($i = 1; $i < 50; ++$i) {
$t1 = self::fe_sq($t1);
}
# fe_mul(t0, t1, t0);
# fe_sq(t0, t0);
# fe_sq(t0, t0);
# fe_mul(out, t0, z);
$t0 = self::fe_mul($t1, $t0);
$t0 = self::fe_sq($t0);
$t0 = self::fe_sq($t0);
return self::fe_mul($t0, $z);
}
/**
* Subtract two field elements.
*
* h = f - g
*
* Preconditions:
* |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
* |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
*
* Postconditions:
* |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $g
* @return ParagonIE_Sodium_Core32_Curve25519_Fe
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedMethodCall
* @psalm-suppress MixedTypeCoercion
*/
public static function fe_sub(ParagonIE_Sodium_Core32_Curve25519_Fe $f, ParagonIE_Sodium_Core32_Curve25519_Fe $g)
{
return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array(
$f[0]->subInt32($g[0]),
$f[1]->subInt32($g[1]),
$f[2]->subInt32($g[2]),
$f[3]->subInt32($g[3]),
$f[4]->subInt32($g[4]),
$f[5]->subInt32($g[5]),
$f[6]->subInt32($g[6]),
$f[7]->subInt32($g[7]),
$f[8]->subInt32($g[8]),
$f[9]->subInt32($g[9])
)
);
}
/**
* Add two group elements.
*
* r = p + q
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1
* @throws SodiumException
* @throws TypeError
*/
public static function ge_add(
ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p,
ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q
) {
$r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1();
$r->X = self::fe_add($p->Y, $p->X);
$r->Y = self::fe_sub($p->Y, $p->X);
$r->Z = self::fe_mul($r->X, $q->YplusX);
$r->Y = self::fe_mul($r->Y, $q->YminusX);
$r->T = self::fe_mul($q->T2d, $p->T);
$r->X = self::fe_mul($p->Z, $q->Z);
$t0 = self::fe_add($r->X, $r->X);
$r->X = self::fe_sub($r->Z, $r->Y);
$r->Y = self::fe_add($r->Z, $r->Y);
$r->Z = self::fe_add($t0, $r->T);
$r->T = self::fe_sub($t0, $r->T);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @ref https://github.com/jedisct1/libsodium/blob/157c4a80c13b117608aeae12178b2d38825f9f8f/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c#L1185-L1215
* @param string $a
* @return array
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArrayOffset
*/
public static function slide($a)
{
if (self::strlen($a) < 256) {
if (self::strlen($a) < 16) {
$a = str_pad($a, 256, '0', STR_PAD_RIGHT);
}
}
/** @var array $r */
$r = array();
for ($i = 0; $i < 256; ++$i) {
$r[$i] = (int) (1 &
(
self::chrToInt($a[$i >> 3])
>>
($i & 7)
)
);
}
for ($i = 0;$i < 256;++$i) {
if ($r[$i]) {
for ($b = 1;$b <= 6 && $i + $b < 256;++$b) {
if ($r[$i + $b]) {
if ($r[$i] + ($r[$i + $b] << $b) <= 15) {
$r[$i] += $r[$i + $b] << $b;
$r[$i + $b] = 0;
} elseif ($r[$i] - ($r[$i + $b] << $b) >= -15) {
$r[$i] -= $r[$i + $b] << $b;
for ($k = $i + $b; $k < 256; ++$k) {
if (!$r[$k]) {
$r[$k] = 1;
break;
}
$r[$k] = 0;
}
} else {
break;
}
}
}
}
}
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @param string $s
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3
* @throws SodiumException
* @throws TypeError
*/
public static function ge_frombytes_negate_vartime($s)
{
static $d = null;
if (!$d) {
/** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d */
$d = ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array(
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[0]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[1]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[2]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[3]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[4]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[5]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[6]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[7]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[8]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[9])
)
);
}
# fe_frombytes(h->Y,s);
# fe_1(h->Z);
$h = new ParagonIE_Sodium_Core32_Curve25519_Ge_P3(
self::fe_0(),
self::fe_frombytes($s),
self::fe_1()
);
# fe_sq(u,h->Y);
# fe_mul(v,u,d);
# fe_sub(u,u,h->Z); /* u = y^2-1 */
# fe_add(v,v,h->Z); /* v = dy^2+1 */
$u = self::fe_sq($h->Y);
/** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d */
$v = self::fe_mul($u, $d);
$u = self::fe_sub($u, $h->Z); /* u = y^2 - 1 */
$v = self::fe_add($v, $h->Z); /* v = dy^2 + 1 */
# fe_sq(v3,v);
# fe_mul(v3,v3,v); /* v3 = v^3 */
# fe_sq(h->X,v3);
# fe_mul(h->X,h->X,v);
# fe_mul(h->X,h->X,u); /* x = uv^7 */
$v3 = self::fe_sq($v);
$v3 = self::fe_mul($v3, $v); /* v3 = v^3 */
$h->X = self::fe_sq($v3);
$h->X = self::fe_mul($h->X, $v);
$h->X = self::fe_mul($h->X, $u); /* x = uv^7 */
# fe_pow22523(h->X,h->X); /* x = (uv^7)^((q-5)/8) */
# fe_mul(h->X,h->X,v3);
# fe_mul(h->X,h->X,u); /* x = uv^3(uv^7)^((q-5)/8) */
$h->X = self::fe_pow22523($h->X); /* x = (uv^7)^((q-5)/8) */
$h->X = self::fe_mul($h->X, $v3);
$h->X = self::fe_mul($h->X, $u); /* x = uv^3(uv^7)^((q-5)/8) */
# fe_sq(vxx,h->X);
# fe_mul(vxx,vxx,v);
# fe_sub(check,vxx,u); /* vx^2-u */
$vxx = self::fe_sq($h->X);
$vxx = self::fe_mul($vxx, $v);
$check = self::fe_sub($vxx, $u); /* vx^2 - u */
# if (fe_isnonzero(check)) {
# fe_add(check,vxx,u); /* vx^2+u */
# if (fe_isnonzero(check)) {
# return -1;
# }
# fe_mul(h->X,h->X,sqrtm1);
# }
if (self::fe_isnonzero($check)) {
$check = self::fe_add($vxx, $u); /* vx^2 + u */
if (self::fe_isnonzero($check)) {
throw new RangeException('Internal check failed.');
}
$h->X = self::fe_mul(
$h->X,
ParagonIE_Sodium_Core32_Curve25519_Fe::fromIntArray(self::$sqrtm1)
);
}
# if (fe_isnegative(h->X) == (s[31] >> 7)) {
# fe_neg(h->X,h->X);
# }
$i = self::chrToInt($s[31]);
if (self::fe_isnegative($h->X) === ($i >> 7)) {
$h->X = self::fe_neg($h->X);
}
# fe_mul(h->T,h->X,h->Y);
$h->T = self::fe_mul($h->X, $h->Y);
return $h;
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1
* @throws SodiumException
* @throws TypeError
*/
public static function ge_madd(
ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R,
ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p,
ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q
) {
$r = clone $R;
$r->X = self::fe_add($p->Y, $p->X);
$r->Y = self::fe_sub($p->Y, $p->X);
$r->Z = self::fe_mul($r->X, $q->yplusx);
$r->Y = self::fe_mul($r->Y, $q->yminusx);
$r->T = self::fe_mul($q->xy2d, $p->T);
$t0 = self::fe_add(clone $p->Z, clone $p->Z);
$r->X = self::fe_sub($r->Z, $r->Y);
$r->Y = self::fe_add($r->Z, $r->Y);
$r->Z = self::fe_add($t0, $r->T);
$r->T = self::fe_sub($t0, $r->T);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1
* @throws SodiumException
* @throws TypeError
*/
public static function ge_msub(
ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $R,
ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p,
ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $q
) {
$r = clone $R;
$r->X = self::fe_add($p->Y, $p->X);
$r->Y = self::fe_sub($p->Y, $p->X);
$r->Z = self::fe_mul($r->X, $q->yminusx);
$r->Y = self::fe_mul($r->Y, $q->yplusx);
$r->T = self::fe_mul($q->xy2d, $p->T);
$t0 = self::fe_add($p->Z, $p->Z);
$r->X = self::fe_sub($r->Z, $r->Y);
$r->Y = self::fe_add($r->Z, $r->Y);
$r->Z = self::fe_sub($t0, $r->T);
$r->T = self::fe_add($t0, $r->T);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2
* @throws SodiumException
* @throws TypeError
*/
public static function ge_p1p1_to_p2(ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p)
{
$r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P2();
$r->X = self::fe_mul($p->X, $p->T);
$r->Y = self::fe_mul($p->Y, $p->Z);
$r->Z = self::fe_mul($p->Z, $p->T);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3
* @throws SodiumException
* @throws TypeError
*/
public static function ge_p1p1_to_p3(ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1 $p)
{
$r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P3();
$r->X = self::fe_mul($p->X, $p->T);
$r->Y = self::fe_mul($p->Y, $p->Z);
$r->Z = self::fe_mul($p->Z, $p->T);
$r->T = self::fe_mul($p->X, $p->Y);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2
* @throws SodiumException
* @throws TypeError
*/
public static function ge_p2_0()
{
return new ParagonIE_Sodium_Core32_Curve25519_Ge_P2(
self::fe_0(),
self::fe_1(),
self::fe_1()
);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $p
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1
* @throws SodiumException
* @throws TypeError
*/
public static function ge_p2_dbl(ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $p)
{
$r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1();
$r->X = self::fe_sq($p->X);
$r->Z = self::fe_sq($p->Y);
$r->T = self::fe_sq2($p->Z);
$r->Y = self::fe_add($p->X, $p->Y);
$t0 = self::fe_sq($r->Y);
$r->Y = self::fe_add($r->Z, $r->X);
$r->Z = self::fe_sub($r->Z, $r->X);
$r->X = self::fe_sub($t0, $r->Y);
$r->T = self::fe_sub($r->T, $r->Z);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3
* @throws SodiumException
* @throws TypeError
*/
public static function ge_p3_0()
{
return new ParagonIE_Sodium_Core32_Curve25519_Ge_P3(
self::fe_0(),
self::fe_1(),
self::fe_1(),
self::fe_0()
);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_Cached
* @throws SodiumException
* @throws TypeError
*/
public static function ge_p3_to_cached(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p)
{
static $d2 = null;
if ($d2 === null) {
$d2 = ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array(
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[0]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[1]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[2]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[3]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[4]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[5]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[6]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[7]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[8]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$d2[9])
)
);
}
/** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d2 */
$r = new ParagonIE_Sodium_Core32_Curve25519_Ge_Cached();
$r->YplusX = self::fe_add($p->Y, $p->X);
$r->YminusX = self::fe_sub($p->Y, $p->X);
$r->Z = self::fe_copy($p->Z);
$r->T2d = self::fe_mul($p->T, $d2);
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2
*/
public static function ge_p3_to_p2(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p)
{
return new ParagonIE_Sodium_Core32_Curve25519_Ge_P2(
$p->X,
$p->Y,
$p->Z
);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $h
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function ge_p3_tobytes(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $h)
{
$recip = self::fe_invert($h->Z);
$x = self::fe_mul($h->X, $recip);
$y = self::fe_mul($h->Y, $recip);
$s = self::fe_tobytes($y);
$s[31] = self::intToChr(
self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7)
);
return $s;
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1
* @throws SodiumException
* @throws TypeError
*/
public static function ge_p3_dbl(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p)
{
$q = self::ge_p3_to_p2($p);
return self::ge_p2_dbl($q);
}
/**
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp
* @throws SodiumException
* @throws TypeError
*/
public static function ge_precomp_0()
{
return new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp(
self::fe_1(),
self::fe_1(),
self::fe_0()
);
}
/**
* @internal You should not use this directly from another application
*
* @param int $b
* @param int $c
* @return int
* @psalm-suppress MixedReturnStatement
*/
public static function equal($b, $c)
{
return (int) ((($b ^ $c) - 1 & 0xffffffff) >> 31);
}
/**
* @internal You should not use this directly from another application
*
* @param string|int $char
* @return int (1 = yes, 0 = no)
* @throws SodiumException
* @throws TypeError
*/
public static function negative($char)
{
if (is_int($char)) {
return $char < 0 ? 1 : 0;
}
/** @var string $char */
/** @var int $x */
$x = self::chrToInt(self::substr($char, 0, 1));
return (int) ($x >> 31);
}
/**
* Conditional move
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $t
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $u
* @param int $b
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp
* @throws SodiumException
* @throws TypeError
*/
public static function cmov(
ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $t,
ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $u,
$b
) {
if (!is_int($b)) {
throw new InvalidArgumentException('Expected an integer.');
}
return new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp(
self::fe_cmov($t->yplusx, $u->yplusx, $b),
self::fe_cmov($t->yminusx, $u->yminusx, $b),
self::fe_cmov($t->xy2d, $u->xy2d, $b)
);
}
/**
* @internal You should not use this directly from another application
*
* @param int $pos
* @param int $b
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayOffset
* @psalm-suppress MixedArgument
*/
public static function ge_select($pos = 0, $b = 0)
{
static $base = null;
if ($base === null) {
$base = array();
foreach (self::$base as $i => $bas) {
for ($j = 0; $j < 8; ++$j) {
$base[$i][$j] = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp(
ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array(
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][0]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][1]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][2]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][3]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][4]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][5]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][6]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][7]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][8]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][0][9])
)
),
ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array(
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][0]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][1]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][2]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][3]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][4]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][5]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][6]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][7]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][8]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][1][9])
)
),
ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array(
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][0]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][1]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][2]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][3]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][4]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][5]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][6]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][7]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][8]),
ParagonIE_Sodium_Core32_Int32::fromInt($bas[$j][2][9])
)
)
);
}
}
}
if (!is_int($pos)) {
throw new InvalidArgumentException('Position must be an integer');
}
if ($pos < 0 || $pos > 31) {
throw new RangeException('Position is out of range [0, 31]');
}
$bnegative = self::negative($b);
/** @var int $babs */
$babs = $b - (((-$bnegative) & $b) << 1);
$t = self::ge_precomp_0();
for ($i = 0; $i < 8; ++$i) {
$t = self::cmov(
$t,
$base[$pos][$i],
self::equal($babs, $i + 1)
);
}
$minusT = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp(
self::fe_copy($t->yminusx),
self::fe_copy($t->yplusx),
self::fe_neg($t->xy2d)
);
return self::cmov($t, $minusT, -$bnegative);
}
/**
* Subtract two group elements.
*
* r = p - q
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1
* @throws SodiumException
* @throws TypeError
*/
public static function ge_sub(
ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $p,
ParagonIE_Sodium_Core32_Curve25519_Ge_Cached $q
) {
$r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1();
$r->X = self::fe_add($p->Y, $p->X);
$r->Y = self::fe_sub($p->Y, $p->X);
$r->Z = self::fe_mul($r->X, $q->YminusX);
$r->Y = self::fe_mul($r->Y, $q->YplusX);
$r->T = self::fe_mul($q->T2d, $p->T);
$r->X = self::fe_mul($p->Z, $q->Z);
$t0 = self::fe_add($r->X, $r->X);
$r->X = self::fe_sub($r->Z, $r->Y);
$r->Y = self::fe_add($r->Z, $r->Y);
$r->Z = self::fe_sub($t0, $r->T);
$r->T = self::fe_add($t0, $r->T);
return $r;
}
/**
* Convert a group element to a byte string.
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $h
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function ge_tobytes(ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $h)
{
$recip = self::fe_invert($h->Z);
$x = self::fe_mul($h->X, $recip);
$y = self::fe_mul($h->Y, $recip);
$s = self::fe_tobytes($y);
$s[31] = self::intToChr(
self::chrToInt($s[31]) ^ (self::fe_isnegative($x) << 7)
);
return $s;
}
/**
* @internal You should not use this directly from another application
*
* @param string $a
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A
* @param string $b
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P2
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArrayAccess
*/
public static function ge_double_scalarmult_vartime(
$a,
ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A,
$b
) {
/** @var array $Ai */
$Ai = array();
static $Bi = array();
/** @var array $Bi */
if (!$Bi) {
for ($i = 0; $i < 8; ++$i) {
$Bi[$i] = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp(
ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array(
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][0]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][1]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][2]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][3]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][4]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][5]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][6]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][7]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][8]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][0][9])
)
),
ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array(
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][0]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][1]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][2]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][3]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][4]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][5]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][6]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][7]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][8]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][1][9])
)
),
ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
array(
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][0]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][1]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][2]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][3]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][4]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][5]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][6]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][7]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][8]),
ParagonIE_Sodium_Core32_Int32::fromInt(self::$base2[$i][2][9])
)
)
);
}
}
for ($i = 0; $i < 8; ++$i) {
$Ai[$i] = new ParagonIE_Sodium_Core32_Curve25519_Ge_Cached(
self::fe_0(),
self::fe_0(),
self::fe_0(),
self::fe_0()
);
}
/** @var array $Ai */
# slide(aslide,a);
# slide(bslide,b);
/** @var array $aslide */
$aslide = self::slide($a);
/** @var array $bslide */
$bslide = self::slide($b);
# ge_p3_to_cached(&Ai[0],A);
# ge_p3_dbl(&t,A); ge_p1p1_to_p3(&A2,&t);
$Ai[0] = self::ge_p3_to_cached($A);
$t = self::ge_p3_dbl($A);
$A2 = self::ge_p1p1_to_p3($t);
# ge_add(&t,&A2,&Ai[0]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[1],&u);
# ge_add(&t,&A2,&Ai[1]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[2],&u);
# ge_add(&t,&A2,&Ai[2]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[3],&u);
# ge_add(&t,&A2,&Ai[3]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[4],&u);
# ge_add(&t,&A2,&Ai[4]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[5],&u);
# ge_add(&t,&A2,&Ai[5]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[6],&u);
# ge_add(&t,&A2,&Ai[6]); ge_p1p1_to_p3(&u,&t); ge_p3_to_cached(&Ai[7],&u);
for ($i = 0; $i < 7; ++$i) {
$t = self::ge_add($A2, $Ai[$i]);
$u = self::ge_p1p1_to_p3($t);
$Ai[$i + 1] = self::ge_p3_to_cached($u);
}
# ge_p2_0(r);
$r = self::ge_p2_0();
# for (i = 255;i >= 0;--i) {
# if (aslide[i] || bslide[i]) break;
# }
$i = 255;
for (; $i >= 0; --$i) {
if ($aslide[$i] || $bslide[$i]) {
break;
}
}
# for (;i >= 0;--i) {
for (; $i >= 0; --$i) {
# ge_p2_dbl(&t,r);
$t = self::ge_p2_dbl($r);
# if (aslide[i] > 0) {
if ($aslide[$i] > 0) {
# ge_p1p1_to_p3(&u,&t);
# ge_add(&t,&u,&Ai[aslide[i]/2]);
$u = self::ge_p1p1_to_p3($t);
$t = self::ge_add(
$u,
$Ai[(int) floor($aslide[$i] / 2)]
);
# } else if (aslide[i] < 0) {
} elseif ($aslide[$i] < 0) {
# ge_p1p1_to_p3(&u,&t);
# ge_sub(&t,&u,&Ai[(-aslide[i])/2]);
$u = self::ge_p1p1_to_p3($t);
$t = self::ge_sub(
$u,
$Ai[(int) floor(-$aslide[$i] / 2)]
);
}
/** @var array $Bi */
# if (bslide[i] > 0) {
if ($bslide[$i] > 0) {
# ge_p1p1_to_p3(&u,&t);
# ge_madd(&t,&u,&Bi[bslide[i]/2]);
$u = self::ge_p1p1_to_p3($t);
/** @var int $index */
$index = (int) floor($bslide[$i] / 2);
/** @var ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $thisB */
$thisB = $Bi[$index];
$t = self::ge_madd($t, $u, $thisB);
# } else if (bslide[i] < 0) {
} elseif ($bslide[$i] < 0) {
# ge_p1p1_to_p3(&u,&t);
# ge_msub(&t,&u,&Bi[(-bslide[i])/2]);
$u = self::ge_p1p1_to_p3($t);
/** @var int $index */
$index = (int) floor(-$bslide[$i] / 2);
/** @var ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp $thisB */
$thisB = $Bi[$index];
$t = self::ge_msub($t, $u, $thisB);
}
# ge_p1p1_to_p2(r,&t);
$r = self::ge_p1p1_to_p2($t);
}
return $r;
}
/**
* @internal You should not use this directly from another application
*
* @param string $a
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedOperand
* @throws SodiumException
* @throws TypeError
*/
public static function ge_scalarmult_base($a)
{
/** @var array $e */
$e = array();
$r = new ParagonIE_Sodium_Core32_Curve25519_Ge_P1p1();
for ($i = 0; $i < 32; ++$i) {
/** @var int $dbl */
$dbl = (int) $i << 1;
$e[$dbl] = (int) self::chrToInt($a[$i]) & 15;
$e[$dbl + 1] = (int) (self::chrToInt($a[$i]) >> 4) & 15;
}
/** @var int $carry */
$carry = 0;
for ($i = 0; $i < 63; ++$i) {
$e[$i] += $carry;
/** @var int $carry */
$carry = $e[$i] + 8;
/** @var int $carry */
$carry >>= 4;
$e[$i] -= $carry << 4;
}
/** @var array $e */
$e[63] += (int) $carry;
$h = self::ge_p3_0();
for ($i = 1; $i < 64; $i += 2) {
$t = self::ge_select((int) floor($i / 2), (int) $e[$i]);
$r = self::ge_madd($r, $h, $t);
$h = self::ge_p1p1_to_p3($r);
}
$r = self::ge_p3_dbl($h);
$s = self::ge_p1p1_to_p2($r);
$r = self::ge_p2_dbl($s);
$s = self::ge_p1p1_to_p2($r);
$r = self::ge_p2_dbl($s);
$s = self::ge_p1p1_to_p2($r);
$r = self::ge_p2_dbl($s);
$h = self::ge_p1p1_to_p3($r);
for ($i = 0; $i < 64; $i += 2) {
$t = self::ge_select($i >> 1, (int) $e[$i]);
$r = self::ge_madd($r, $h, $t);
$h = self::ge_p1p1_to_p3($r);
}
return $h;
}
/**
* Calculates (ab + c) mod l
* where l = 2^252 + 27742317777372353535851937790883648493
*
* @internal You should not use this directly from another application
*
* @param string $a
* @param string $b
* @param string $c
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sc_muladd($a, $b, $c)
{
$a0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($a, 0, 3)));
$a1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 2, 4)) >> 5));
$a2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 5, 3)) >> 2));
$a3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 7, 4)) >> 7));
$a4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 10, 4)) >> 4));
$a5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 13, 3)) >> 1));
$a6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 15, 4)) >> 6));
$a7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 18, 3)) >> 3));
$a8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($a, 21, 3)));
$a9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($a, 23, 4)) >> 5));
$a10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($a, 26, 3)) >> 2));
$a11 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($a, 28, 4)) >> 7));
$b0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($b, 0, 3)));
$b1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 2, 4)) >> 5));
$b2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 5, 3)) >> 2));
$b3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 7, 4)) >> 7));
$b4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 10, 4)) >> 4));
$b5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 13, 3)) >> 1));
$b6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 15, 4)) >> 6));
$b7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 18, 3)) >> 3));
$b8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($b, 21, 3)));
$b9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($b, 23, 4)) >> 5));
$b10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($b, 26, 3)) >> 2));
$b11 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($b, 28, 4)) >> 7));
$c0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($c, 0, 3)));
$c1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 2, 4)) >> 5));
$c2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 5, 3)) >> 2));
$c3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 7, 4)) >> 7));
$c4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 10, 4)) >> 4));
$c5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 13, 3)) >> 1));
$c6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 15, 4)) >> 6));
$c7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 18, 3)) >> 3));
$c8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($c, 21, 3)));
$c9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($c, 23, 4)) >> 5));
$c10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($c, 26, 3)) >> 2));
$c11 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($c, 28, 4)) >> 7));
/* Can't really avoid the pyramid here: */
/**
* @var ParagonIE_Sodium_Core32_Int64 $s0
* @var ParagonIE_Sodium_Core32_Int64 $s1
* @var ParagonIE_Sodium_Core32_Int64 $s2
* @var ParagonIE_Sodium_Core32_Int64 $s3
* @var ParagonIE_Sodium_Core32_Int64 $s4
* @var ParagonIE_Sodium_Core32_Int64 $s5
* @var ParagonIE_Sodium_Core32_Int64 $s6
* @var ParagonIE_Sodium_Core32_Int64 $s7
* @var ParagonIE_Sodium_Core32_Int64 $s8
* @var ParagonIE_Sodium_Core32_Int64 $s9
* @var ParagonIE_Sodium_Core32_Int64 $s10
* @var ParagonIE_Sodium_Core32_Int64 $s11
* @var ParagonIE_Sodium_Core32_Int64 $s12
* @var ParagonIE_Sodium_Core32_Int64 $s13
* @var ParagonIE_Sodium_Core32_Int64 $s14
* @var ParagonIE_Sodium_Core32_Int64 $s15
* @var ParagonIE_Sodium_Core32_Int64 $s16
* @var ParagonIE_Sodium_Core32_Int64 $s17
* @var ParagonIE_Sodium_Core32_Int64 $s18
* @var ParagonIE_Sodium_Core32_Int64 $s19
* @var ParagonIE_Sodium_Core32_Int64 $s20
* @var ParagonIE_Sodium_Core32_Int64 $s21
* @var ParagonIE_Sodium_Core32_Int64 $s22
* @var ParagonIE_Sodium_Core32_Int64 $s23
*/
$s0 = $c0->addInt64($a0->mulInt64($b0, 24));
$s1 = $c1->addInt64($a0->mulInt64($b1, 24))->addInt64($a1->mulInt64($b0, 24));
$s2 = $c2->addInt64($a0->mulInt64($b2, 24))->addInt64($a1->mulInt64($b1, 24))->addInt64($a2->mulInt64($b0, 24));
$s3 = $c3->addInt64($a0->mulInt64($b3, 24))->addInt64($a1->mulInt64($b2, 24))->addInt64($a2->mulInt64($b1, 24))
->addInt64($a3->mulInt64($b0, 24));
$s4 = $c4->addInt64($a0->mulInt64($b4, 24))->addInt64($a1->mulInt64($b3, 24))->addInt64($a2->mulInt64($b2, 24))
->addInt64($a3->mulInt64($b1, 24))->addInt64($a4->mulInt64($b0, 24));
$s5 = $c5->addInt64($a0->mulInt64($b5, 24))->addInt64($a1->mulInt64($b4, 24))->addInt64($a2->mulInt64($b3, 24))
->addInt64($a3->mulInt64($b2, 24))->addInt64($a4->mulInt64($b1, 24))->addInt64($a5->mulInt64($b0, 24));
$s6 = $c6->addInt64($a0->mulInt64($b6, 24))->addInt64($a1->mulInt64($b5, 24))->addInt64($a2->mulInt64($b4, 24))
->addInt64($a3->mulInt64($b3, 24))->addInt64($a4->mulInt64($b2, 24))->addInt64($a5->mulInt64($b1, 24))
->addInt64($a6->mulInt64($b0, 24));
$s7 = $c7->addInt64($a0->mulInt64($b7, 24))->addInt64($a1->mulInt64($b6, 24))->addInt64($a2->mulInt64($b5, 24))
->addInt64($a3->mulInt64($b4, 24))->addInt64($a4->mulInt64($b3, 24))->addInt64($a5->mulInt64($b2, 24))
->addInt64($a6->mulInt64($b1, 24))->addInt64($a7->mulInt64($b0, 24));
$s8 = $c8->addInt64($a0->mulInt64($b8, 24))->addInt64($a1->mulInt64($b7, 24))->addInt64($a2->mulInt64($b6, 24))
->addInt64($a3->mulInt64($b5, 24))->addInt64($a4->mulInt64($b4, 24))->addInt64($a5->mulInt64($b3, 24))
->addInt64($a6->mulInt64($b2, 24))->addInt64($a7->mulInt64($b1, 24))->addInt64($a8->mulInt64($b0, 24));
$s9 = $c9->addInt64($a0->mulInt64($b9, 24))->addInt64($a1->mulInt64($b8, 24))->addInt64($a2->mulInt64($b7, 24))
->addInt64($a3->mulInt64($b6, 24))->addInt64($a4->mulInt64($b5, 24))->addInt64($a5->mulInt64($b4, 24))
->addInt64($a6->mulInt64($b3, 24))->addInt64($a7->mulInt64($b2, 24))->addInt64($a8->mulInt64($b1, 24))
->addInt64($a9->mulInt64($b0, 24));
$s10 = $c10->addInt64($a0->mulInt64($b10, 24))->addInt64($a1->mulInt64($b9, 24))->addInt64($a2->mulInt64($b8, 24))
->addInt64($a3->mulInt64($b7, 24))->addInt64($a4->mulInt64($b6, 24))->addInt64($a5->mulInt64($b5, 24))
->addInt64($a6->mulInt64($b4, 24))->addInt64($a7->mulInt64($b3, 24))->addInt64($a8->mulInt64($b2, 24))
->addInt64($a9->mulInt64($b1, 24))->addInt64($a10->mulInt64($b0, 24));
$s11 = $c11->addInt64($a0->mulInt64($b11, 24))->addInt64($a1->mulInt64($b10, 24))->addInt64($a2->mulInt64($b9, 24))
->addInt64($a3->mulInt64($b8, 24))->addInt64($a4->mulInt64($b7, 24))->addInt64($a5->mulInt64($b6, 24))
->addInt64($a6->mulInt64($b5, 24))->addInt64($a7->mulInt64($b4, 24))->addInt64($a8->mulInt64($b3, 24))
->addInt64($a9->mulInt64($b2, 24))->addInt64($a10->mulInt64($b1, 24))->addInt64($a11->mulInt64($b0, 24));
$s12 = $a1->mulInt64($b11, 24)->addInt64($a2->mulInt64($b10, 24))->addInt64($a3->mulInt64($b9, 24))
->addInt64($a4->mulInt64($b8, 24))->addInt64($a5->mulInt64($b7, 24))->addInt64($a6->mulInt64($b6, 24))
->addInt64($a7->mulInt64($b5, 24))->addInt64($a8->mulInt64($b4, 24))->addInt64($a9->mulInt64($b3, 24))
->addInt64($a10->mulInt64($b2, 24))->addInt64($a11->mulInt64($b1, 24));
$s13 = $a2->mulInt64($b11, 24)->addInt64($a3->mulInt64($b10, 24))->addInt64($a4->mulInt64($b9, 24))
->addInt64($a5->mulInt64($b8, 24))->addInt64($a6->mulInt64($b7, 24))->addInt64($a7->mulInt64($b6, 24))
->addInt64($a8->mulInt64($b5, 24))->addInt64($a9->mulInt64($b4, 24))->addInt64($a10->mulInt64($b3, 24))
->addInt64($a11->mulInt64($b2, 24));
$s14 = $a3->mulInt64($b11, 24)->addInt64($a4->mulInt64($b10, 24))->addInt64($a5->mulInt64($b9, 24))
->addInt64($a6->mulInt64($b8, 24))->addInt64($a7->mulInt64($b7, 24))->addInt64($a8->mulInt64($b6, 24))
->addInt64($a9->mulInt64($b5, 24))->addInt64($a10->mulInt64($b4, 24))->addInt64($a11->mulInt64($b3, 24));
$s15 = $a4->mulInt64($b11, 24)->addInt64($a5->mulInt64($b10, 24))->addInt64($a6->mulInt64($b9, 24))
->addInt64($a7->mulInt64($b8, 24))->addInt64($a8->mulInt64($b7, 24))->addInt64($a9->mulInt64($b6, 24))
->addInt64($a10->mulInt64($b5, 24))->addInt64($a11->mulInt64($b4, 24));
$s16 = $a5->mulInt64($b11, 24)->addInt64($a6->mulInt64($b10, 24))->addInt64($a7->mulInt64($b9, 24))
->addInt64($a8->mulInt64($b8, 24))->addInt64($a9->mulInt64($b7, 24))->addInt64($a10->mulInt64($b6, 24))
->addInt64($a11->mulInt64($b5, 24));
$s17 = $a6->mulInt64($b11, 24)->addInt64($a7->mulInt64($b10, 24))->addInt64($a8->mulInt64($b9, 24))
->addInt64($a9->mulInt64($b8, 24))->addInt64($a10->mulInt64($b7, 24))->addInt64($a11->mulInt64($b6, 24));
$s18 = $a7->mulInt64($b11, 24)->addInt64($a8->mulInt64($b10, 24))->addInt64($a9->mulInt64($b9, 24))
->addInt64($a10->mulInt64($b8, 24))->addInt64($a11->mulInt64($b7, 24));
$s19 = $a8->mulInt64($b11, 24)->addInt64($a9->mulInt64($b10, 24))->addInt64($a10->mulInt64($b9, 24))
->addInt64($a11->mulInt64($b8, 24));
$s20 = $a9->mulInt64($b11, 24)->addInt64($a10->mulInt64($b10, 24))->addInt64($a11->mulInt64($b9, 24));
$s21 = $a10->mulInt64($b11, 24)->addInt64($a11->mulInt64($b10, 24));
$s22 = $a11->mulInt64($b11, 24);
$s23 = new ParagonIE_Sodium_Core32_Int64();
$carry0 = $s0->addInt(1 << 20)->shiftRight(21);
$s1 = $s1->addInt64($carry0);
$s0 = $s0->subInt64($carry0->shiftLeft(21));
$carry2 = $s2->addInt(1 << 20)->shiftRight(21);
$s3 = $s3->addInt64($carry2);
$s2 = $s2->subInt64($carry2->shiftLeft(21));
$carry4 = $s4->addInt(1 << 20)->shiftRight(21);
$s5 = $s5->addInt64($carry4);
$s4 = $s4->subInt64($carry4->shiftLeft(21));
$carry6 = $s6->addInt(1 << 20)->shiftRight(21);
$s7 = $s7->addInt64($carry6);
$s6 = $s6->subInt64($carry6->shiftLeft(21));
$carry8 = $s8->addInt(1 << 20)->shiftRight(21);
$s9 = $s9->addInt64($carry8);
$s8 = $s8->subInt64($carry8->shiftLeft(21));
$carry10 = $s10->addInt(1 << 20)->shiftRight(21);
$s11 = $s11->addInt64($carry10);
$s10 = $s10->subInt64($carry10->shiftLeft(21));
$carry12 = $s12->addInt(1 << 20)->shiftRight(21);
$s13 = $s13->addInt64($carry12);
$s12 = $s12->subInt64($carry12->shiftLeft(21));
$carry14 = $s14->addInt(1 << 20)->shiftRight(21);
$s15 = $s15->addInt64($carry14);
$s14 = $s14->subInt64($carry14->shiftLeft(21));
$carry16 = $s16->addInt(1 << 20)->shiftRight(21);
$s17 = $s17->addInt64($carry16);
$s16 = $s16->subInt64($carry16->shiftLeft(21));
$carry18 = $s18->addInt(1 << 20)->shiftRight(21);
$s19 = $s19->addInt64($carry18);
$s18 = $s18->subInt64($carry18->shiftLeft(21));
$carry20 = $s20->addInt(1 << 20)->shiftRight(21);
$s21 = $s21->addInt64($carry20);
$s20 = $s20->subInt64($carry20->shiftLeft(21));
$carry22 = $s22->addInt(1 << 20)->shiftRight(21);
$s23 = $s23->addInt64($carry22);
$s22 = $s22->subInt64($carry22->shiftLeft(21));
$carry1 = $s1->addInt(1 << 20)->shiftRight(21);
$s2 = $s2->addInt64($carry1);
$s1 = $s1->subInt64($carry1->shiftLeft(21));
$carry3 = $s3->addInt(1 << 20)->shiftRight(21);
$s4 = $s4->addInt64($carry3);
$s3 = $s3->subInt64($carry3->shiftLeft(21));
$carry5 = $s5->addInt(1 << 20)->shiftRight(21);
$s6 = $s6->addInt64($carry5);
$s5 = $s5->subInt64($carry5->shiftLeft(21));
$carry7 = $s7->addInt(1 << 20)->shiftRight(21);
$s8 = $s8->addInt64($carry7);
$s7 = $s7->subInt64($carry7->shiftLeft(21));
$carry9 = $s9->addInt(1 << 20)->shiftRight(21);
$s10 = $s10->addInt64($carry9);
$s9 = $s9->subInt64($carry9->shiftLeft(21));
$carry11 = $s11->addInt(1 << 20)->shiftRight(21);
$s12 = $s12->addInt64($carry11);
$s11 = $s11->subInt64($carry11->shiftLeft(21));
$carry13 = $s13->addInt(1 << 20)->shiftRight(21);
$s14 = $s14->addInt64($carry13);
$s13 = $s13->subInt64($carry13->shiftLeft(21));
$carry15 = $s15->addInt(1 << 20)->shiftRight(21);
$s16 = $s16->addInt64($carry15);
$s15 = $s15->subInt64($carry15->shiftLeft(21));
$carry17 = $s17->addInt(1 << 20)->shiftRight(21);
$s18 = $s18->addInt64($carry17);
$s17 = $s17->subInt64($carry17->shiftLeft(21));
$carry19 = $s19->addInt(1 << 20)->shiftRight(21);
$s20 = $s20->addInt64($carry19);
$s19 = $s19->subInt64($carry19->shiftLeft(21));
$carry21 = $s21->addInt(1 << 20)->shiftRight(21);
$s22 = $s22->addInt64($carry21);
$s21 = $s21->subInt64($carry21->shiftLeft(21));
$s11 = $s11->addInt64($s23->mulInt(666643, 20));
$s12 = $s12->addInt64($s23->mulInt(470296, 19));
$s13 = $s13->addInt64($s23->mulInt(654183, 20));
$s14 = $s14->subInt64($s23->mulInt(997805, 20));
$s15 = $s15->addInt64($s23->mulInt(136657, 18));
$s16 = $s16->subInt64($s23->mulInt(683901, 20));
$s10 = $s10->addInt64($s22->mulInt(666643, 20));
$s11 = $s11->addInt64($s22->mulInt(470296, 19));
$s12 = $s12->addInt64($s22->mulInt(654183, 20));
$s13 = $s13->subInt64($s22->mulInt(997805, 20));
$s14 = $s14->addInt64($s22->mulInt(136657, 18));
$s15 = $s15->subInt64($s22->mulInt(683901, 20));
$s9 = $s9->addInt64($s21->mulInt(666643, 20));
$s10 = $s10->addInt64($s21->mulInt(470296, 19));
$s11 = $s11->addInt64($s21->mulInt(654183, 20));
$s12 = $s12->subInt64($s21->mulInt(997805, 20));
$s13 = $s13->addInt64($s21->mulInt(136657, 18));
$s14 = $s14->subInt64($s21->mulInt(683901, 20));
$s8 = $s8->addInt64($s20->mulInt(666643, 20));
$s9 = $s9->addInt64($s20->mulInt(470296, 19));
$s10 = $s10->addInt64($s20->mulInt(654183, 20));
$s11 = $s11->subInt64($s20->mulInt(997805, 20));
$s12 = $s12->addInt64($s20->mulInt(136657, 18));
$s13 = $s13->subInt64($s20->mulInt(683901, 20));
$s7 = $s7->addInt64($s19->mulInt(666643, 20));
$s8 = $s8->addInt64($s19->mulInt(470296, 19));
$s9 = $s9->addInt64($s19->mulInt(654183, 20));
$s10 = $s10->subInt64($s19->mulInt(997805, 20));
$s11 = $s11->addInt64($s19->mulInt(136657, 18));
$s12 = $s12->subInt64($s19->mulInt(683901, 20));
$s6 = $s6->addInt64($s18->mulInt(666643, 20));
$s7 = $s7->addInt64($s18->mulInt(470296, 19));
$s8 = $s8->addInt64($s18->mulInt(654183, 20));
$s9 = $s9->subInt64($s18->mulInt(997805, 20));
$s10 = $s10->addInt64($s18->mulInt(136657, 18));
$s11 = $s11->subInt64($s18->mulInt(683901, 20));
$carry6 = $s6->addInt(1 << 20)->shiftRight(21);
$s7 = $s7->addInt64($carry6);
$s6 = $s6->subInt64($carry6->shiftLeft(21));
$carry8 = $s8->addInt(1 << 20)->shiftRight(21);
$s9 = $s9->addInt64($carry8);
$s8 = $s8->subInt64($carry8->shiftLeft(21));
$carry10 = $s10->addInt(1 << 20)->shiftRight(21);
$s11 = $s11->addInt64($carry10);
$s10 = $s10->subInt64($carry10->shiftLeft(21));
$carry12 = $s12->addInt(1 << 20)->shiftRight(21);
$s13 = $s13->addInt64($carry12);
$s12 = $s12->subInt64($carry12->shiftLeft(21));
$carry14 = $s14->addInt(1 << 20)->shiftRight(21);
$s15 = $s15->addInt64($carry14);
$s14 = $s14->subInt64($carry14->shiftLeft(21));
$carry16 = $s16->addInt(1 << 20)->shiftRight(21);
$s17 = $s17->addInt64($carry16);
$s16 = $s16->subInt64($carry16->shiftLeft(21));
$carry7 = $s7->addInt(1 << 20)->shiftRight(21);
$s8 = $s8->addInt64($carry7);
$s7 = $s7->subInt64($carry7->shiftLeft(21));
$carry9 = $s9->addInt(1 << 20)->shiftRight(21);
$s10 = $s10->addInt64($carry9);
$s9 = $s9->subInt64($carry9->shiftLeft(21));
$carry11 = $s11->addInt(1 << 20)->shiftRight(21);
$s12 = $s12->addInt64($carry11);
$s11 = $s11->subInt64($carry11->shiftLeft(21));
$carry13 = $s13->addInt(1 << 20)->shiftRight(21);
$s14 = $s14->addInt64($carry13);
$s13 = $s13->subInt64($carry13->shiftLeft(21));
$carry15 = $s15->addInt(1 << 20)->shiftRight(21);
$s16 = $s16->addInt64($carry15);
$s15 = $s15->subInt64($carry15->shiftLeft(21));
$s5 = $s5->addInt64($s17->mulInt(666643, 20));
$s6 = $s6->addInt64($s17->mulInt(470296, 19));
$s7 = $s7->addInt64($s17->mulInt(654183, 20));
$s8 = $s8->subInt64($s17->mulInt(997805, 20));
$s9 = $s9->addInt64($s17->mulInt(136657, 18));
$s10 = $s10->subInt64($s17->mulInt(683901, 20));
$s4 = $s4->addInt64($s16->mulInt(666643, 20));
$s5 = $s5->addInt64($s16->mulInt(470296, 19));
$s6 = $s6->addInt64($s16->mulInt(654183, 20));
$s7 = $s7->subInt64($s16->mulInt(997805, 20));
$s8 = $s8->addInt64($s16->mulInt(136657, 18));
$s9 = $s9->subInt64($s16->mulInt(683901, 20));
$s3 = $s3->addInt64($s15->mulInt(666643, 20));
$s4 = $s4->addInt64($s15->mulInt(470296, 19));
$s5 = $s5->addInt64($s15->mulInt(654183, 20));
$s6 = $s6->subInt64($s15->mulInt(997805, 20));
$s7 = $s7->addInt64($s15->mulInt(136657, 18));
$s8 = $s8->subInt64($s15->mulInt(683901, 20));
$s2 = $s2->addInt64($s14->mulInt(666643, 20));
$s3 = $s3->addInt64($s14->mulInt(470296, 19));
$s4 = $s4->addInt64($s14->mulInt(654183, 20));
$s5 = $s5->subInt64($s14->mulInt(997805, 20));
$s6 = $s6->addInt64($s14->mulInt(136657, 18));
$s7 = $s7->subInt64($s14->mulInt(683901, 20));
$s1 = $s1->addInt64($s13->mulInt(666643, 20));
$s2 = $s2->addInt64($s13->mulInt(470296, 19));
$s3 = $s3->addInt64($s13->mulInt(654183, 20));
$s4 = $s4->subInt64($s13->mulInt(997805, 20));
$s5 = $s5->addInt64($s13->mulInt(136657, 18));
$s6 = $s6->subInt64($s13->mulInt(683901, 20));
$s0 = $s0->addInt64($s12->mulInt(666643, 20));
$s1 = $s1->addInt64($s12->mulInt(470296, 19));
$s2 = $s2->addInt64($s12->mulInt(654183, 20));
$s3 = $s3->subInt64($s12->mulInt(997805, 20));
$s4 = $s4->addInt64($s12->mulInt(136657, 18));
$s5 = $s5->subInt64($s12->mulInt(683901, 20));
$s12 = new ParagonIE_Sodium_Core32_Int64();
$carry0 = $s0->addInt(1 << 20)->shiftRight(21);
$s1 = $s1->addInt64($carry0);
$s0 = $s0->subInt64($carry0->shiftLeft(21));
$carry2 = $s2->addInt(1 << 20)->shiftRight(21);
$s3 = $s3->addInt64($carry2);
$s2 = $s2->subInt64($carry2->shiftLeft(21));
$carry4 = $s4->addInt(1 << 20)->shiftRight(21);
$s5 = $s5->addInt64($carry4);
$s4 = $s4->subInt64($carry4->shiftLeft(21));
$carry6 = $s6->addInt(1 << 20)->shiftRight(21);
$s7 = $s7->addInt64($carry6);
$s6 = $s6->subInt64($carry6->shiftLeft(21));
$carry8 = $s8->addInt(1 << 20)->shiftRight(21);
$s9 = $s9->addInt64($carry8);
$s8 = $s8->subInt64($carry8->shiftLeft(21));
$carry10 = $s10->addInt(1 << 20)->shiftRight(21);
$s11 = $s11->addInt64($carry10);
$s10 = $s10->subInt64($carry10->shiftLeft(21));
$carry1 = $s1->addInt(1 << 20)->shiftRight(21);
$s2 = $s2->addInt64($carry1);
$s1 = $s1->subInt64($carry1->shiftLeft(21));
$carry3 = $s3->addInt(1 << 20)->shiftRight(21);
$s4 = $s4->addInt64($carry3);
$s3 = $s3->subInt64($carry3->shiftLeft(21));
$carry5 = $s5->addInt(1 << 20)->shiftRight(21);
$s6 = $s6->addInt64($carry5);
$s5 = $s5->subInt64($carry5->shiftLeft(21));
$carry7 = $s7->addInt(1 << 20)->shiftRight(21);
$s8 = $s8->addInt64($carry7);
$s7 = $s7->subInt64($carry7->shiftLeft(21));
$carry9 = $s9->addInt(1 << 20)->shiftRight(21);
$s10 = $s10->addInt64($carry9);
$s9 = $s9->subInt64($carry9->shiftLeft(21));
$carry11 = $s11->addInt(1 << 20)->shiftRight(21);
$s12 = $s12->addInt64($carry11);
$s11 = $s11->subInt64($carry11->shiftLeft(21));
$s0 = $s0->addInt64($s12->mulInt(666643, 20));
$s1 = $s1->addInt64($s12->mulInt(470296, 19));
$s2 = $s2->addInt64($s12->mulInt(654183, 20));
$s3 = $s3->subInt64($s12->mulInt(997805, 20));
$s4 = $s4->addInt64($s12->mulInt(136657, 18));
$s5 = $s5->subInt64($s12->mulInt(683901, 20));
$s12 = new ParagonIE_Sodium_Core32_Int64();
$carry0 = $s0->shiftRight(21);
$s1 = $s1->addInt64($carry0);
$s0 = $s0->subInt64($carry0->shiftLeft(21));
$carry1 = $s1->shiftRight(21);
$s2 = $s2->addInt64($carry1);
$s1 = $s1->subInt64($carry1->shiftLeft(21));
$carry2 = $s2->shiftRight(21);
$s3 = $s3->addInt64($carry2);
$s2 = $s2->subInt64($carry2->shiftLeft(21));
$carry3 = $s3->shiftRight(21);
$s4 = $s4->addInt64($carry3);
$s3 = $s3->subInt64($carry3->shiftLeft(21));
$carry4 = $s4->shiftRight(21);
$s5 = $s5->addInt64($carry4);
$s4 = $s4->subInt64($carry4->shiftLeft(21));
$carry5 = $s5->shiftRight(21);
$s6 = $s6->addInt64($carry5);
$s5 = $s5->subInt64($carry5->shiftLeft(21));
$carry6 = $s6->shiftRight(21);
$s7 = $s7->addInt64($carry6);
$s6 = $s6->subInt64($carry6->shiftLeft(21));
$carry7 = $s7->shiftRight(21);
$s8 = $s8->addInt64($carry7);
$s7 = $s7->subInt64($carry7->shiftLeft(21));
$carry8 = $s8->shiftRight(21);
$s9 = $s9->addInt64($carry8);
$s8 = $s8->subInt64($carry8->shiftLeft(21));
$carry9 = $s9->shiftRight(21);
$s10 = $s10->addInt64($carry9);
$s9 = $s9->subInt64($carry9->shiftLeft(21));
$carry10 = $s10->shiftRight(21);
$s11 = $s11->addInt64($carry10);
$s10 = $s10->subInt64($carry10->shiftLeft(21));
$carry11 = $s11->shiftRight(21);
$s12 = $s12->addInt64($carry11);
$s11 = $s11->subInt64($carry11->shiftLeft(21));
$s0 = $s0->addInt64($s12->mulInt(666643, 20));
$s1 = $s1->addInt64($s12->mulInt(470296, 19));
$s2 = $s2->addInt64($s12->mulInt(654183, 20));
$s3 = $s3->subInt64($s12->mulInt(997805, 20));
$s4 = $s4->addInt64($s12->mulInt(136657, 18));
$s5 = $s5->subInt64($s12->mulInt(683901, 20));
$carry0 = $s0->shiftRight(21);
$s1 = $s1->addInt64($carry0);
$s0 = $s0->subInt64($carry0->shiftLeft(21));
$carry1 = $s1->shiftRight(21);
$s2 = $s2->addInt64($carry1);
$s1 = $s1->subInt64($carry1->shiftLeft(21));
$carry2 = $s2->shiftRight(21);
$s3 = $s3->addInt64($carry2);
$s2 = $s2->subInt64($carry2->shiftLeft(21));
$carry3 = $s3->shiftRight(21);
$s4 = $s4->addInt64($carry3);
$s3 = $s3->subInt64($carry3->shiftLeft(21));
$carry4 = $s4->shiftRight(21);
$s5 = $s5->addInt64($carry4);
$s4 = $s4->subInt64($carry4->shiftLeft(21));
$carry5 = $s5->shiftRight(21);
$s6 = $s6->addInt64($carry5);
$s5 = $s5->subInt64($carry5->shiftLeft(21));
$carry6 = $s6->shiftRight(21);
$s7 = $s7->addInt64($carry6);
$s6 = $s6->subInt64($carry6->shiftLeft(21));
$carry7 = $s7->shiftRight(21);
$s8 = $s8->addInt64($carry7);
$s7 = $s7->subInt64($carry7->shiftLeft(21));
$carry8 = $s10->shiftRight(21);
$s9 = $s9->addInt64($carry8);
$s8 = $s8->subInt64($carry8->shiftLeft(21));
$carry9 = $s9->shiftRight(21);
$s10 = $s10->addInt64($carry9);
$s9 = $s9->subInt64($carry9->shiftLeft(21));
$carry10 = $s10->shiftRight(21);
$s11 = $s11->addInt64($carry10);
$s10 = $s10->subInt64($carry10->shiftLeft(21));
$S0 = $s0->toInt();
$S1 = $s1->toInt();
$S2 = $s2->toInt();
$S3 = $s3->toInt();
$S4 = $s4->toInt();
$S5 = $s5->toInt();
$S6 = $s6->toInt();
$S7 = $s7->toInt();
$S8 = $s8->toInt();
$S9 = $s9->toInt();
$S10 = $s10->toInt();
$S11 = $s11->toInt();
/**
* @var array
*/
$arr = array(
(int) (0xff & ($S0 >> 0)),
(int) (0xff & ($S0 >> 8)),
(int) (0xff & (($S0 >> 16) | ($S1 << 5))),
(int) (0xff & ($S1 >> 3)),
(int) (0xff & ($S1 >> 11)),
(int) (0xff & (($S1 >> 19) | ($S2 << 2))),
(int) (0xff & ($S2 >> 6)),
(int) (0xff & (($S2 >> 14) | ($S3 << 7))),
(int) (0xff & ($S3 >> 1)),
(int) (0xff & ($S3 >> 9)),
(int) (0xff & (($S3 >> 17) | ($S4 << 4))),
(int) (0xff & ($S4 >> 4)),
(int) (0xff & ($S4 >> 12)),
(int) (0xff & (($S4 >> 20) | ($S5 << 1))),
(int) (0xff & ($S5 >> 7)),
(int) (0xff & (($S5 >> 15) | ($S6 << 6))),
(int) (0xff & ($S6 >> 2)),
(int) (0xff & ($S6 >> 10)),
(int) (0xff & (($S6 >> 18) | ($S7 << 3))),
(int) (0xff & ($S7 >> 5)),
(int) (0xff & ($S7 >> 13)),
(int) (0xff & ($S8 >> 0)),
(int) (0xff & ($S8 >> 8)),
(int) (0xff & (($S8 >> 16) | ($S9 << 5))),
(int) (0xff & ($S9 >> 3)),
(int) (0xff & ($S9 >> 11)),
(int) (0xff & (($S9 >> 19) | ($S10 << 2))),
(int) (0xff & ($S10 >> 6)),
(int) (0xff & (($S10 >> 14) | ($S11 << 7))),
(int) (0xff & ($S11 >> 1)),
(int) (0xff & ($S11 >> 9)),
(int) (0xff & ($S11 >> 17))
);
return self::intArrayToString($arr);
}
/**
* @internal You should not use this directly from another application
*
* @param string $s
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sc_reduce($s)
{
/**
* @var ParagonIE_Sodium_Core32_Int64 $s0
* @var ParagonIE_Sodium_Core32_Int64 $s1
* @var ParagonIE_Sodium_Core32_Int64 $s2
* @var ParagonIE_Sodium_Core32_Int64 $s3
* @var ParagonIE_Sodium_Core32_Int64 $s4
* @var ParagonIE_Sodium_Core32_Int64 $s5
* @var ParagonIE_Sodium_Core32_Int64 $s6
* @var ParagonIE_Sodium_Core32_Int64 $s7
* @var ParagonIE_Sodium_Core32_Int64 $s8
* @var ParagonIE_Sodium_Core32_Int64 $s9
* @var ParagonIE_Sodium_Core32_Int64 $s10
* @var ParagonIE_Sodium_Core32_Int64 $s11
* @var ParagonIE_Sodium_Core32_Int64 $s12
* @var ParagonIE_Sodium_Core32_Int64 $s13
* @var ParagonIE_Sodium_Core32_Int64 $s14
* @var ParagonIE_Sodium_Core32_Int64 $s15
* @var ParagonIE_Sodium_Core32_Int64 $s16
* @var ParagonIE_Sodium_Core32_Int64 $s17
* @var ParagonIE_Sodium_Core32_Int64 $s18
* @var ParagonIE_Sodium_Core32_Int64 $s19
* @var ParagonIE_Sodium_Core32_Int64 $s20
* @var ParagonIE_Sodium_Core32_Int64 $s21
* @var ParagonIE_Sodium_Core32_Int64 $s22
* @var ParagonIE_Sodium_Core32_Int64 $s23
*/
$s0 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($s, 0, 3)));
$s1 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 2, 4)) >> 5));
$s2 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 5, 3)) >> 2));
$s3 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 7, 4)) >> 7));
$s4 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 10, 4)) >> 4));
$s5 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 13, 3)) >> 1));
$s6 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 15, 4)) >> 6));
$s7 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 18, 4)) >> 3));
$s8 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($s, 21, 3)));
$s9 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 23, 4)) >> 5));
$s10 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 26, 3)) >> 2));
$s11 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 28, 4)) >> 7));
$s12 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 31, 4)) >> 4));
$s13 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 34, 3)) >> 1));
$s14 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 36, 4)) >> 6));
$s15 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 39, 4)) >> 3));
$s16 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & self::load_3(self::substr($s, 42, 3)));
$s17 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 44, 4)) >> 5));
$s18 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 47, 3)) >> 2));
$s19 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 49, 4)) >> 7));
$s20 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 52, 4)) >> 4));
$s21 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_3(self::substr($s, 55, 3)) >> 1));
$s22 = ParagonIE_Sodium_Core32_Int64::fromInt(2097151 & (self::load_4(self::substr($s, 57, 4)) >> 6));
$s23 = ParagonIE_Sodium_Core32_Int64::fromInt(0x1fffffff & (self::load_4(self::substr($s, 60, 4)) >> 3));
$s11 = $s11->addInt64($s23->mulInt(666643, 20));
$s12 = $s12->addInt64($s23->mulInt(470296, 19));
$s13 = $s13->addInt64($s23->mulInt(654183, 20));
$s14 = $s14->subInt64($s23->mulInt(997805, 20));
$s15 = $s15->addInt64($s23->mulInt(136657, 18));
$s16 = $s16->subInt64($s23->mulInt(683901, 20));
$s10 = $s10->addInt64($s22->mulInt(666643, 20));
$s11 = $s11->addInt64($s22->mulInt(470296, 19));
$s12 = $s12->addInt64($s22->mulInt(654183, 20));
$s13 = $s13->subInt64($s22->mulInt(997805, 20));
$s14 = $s14->addInt64($s22->mulInt(136657, 18));
$s15 = $s15->subInt64($s22->mulInt(683901, 20));
$s9 = $s9->addInt64($s21->mulInt(666643, 20));
$s10 = $s10->addInt64($s21->mulInt(470296, 19));
$s11 = $s11->addInt64($s21->mulInt(654183, 20));
$s12 = $s12->subInt64($s21->mulInt(997805, 20));
$s13 = $s13->addInt64($s21->mulInt(136657, 18));
$s14 = $s14->subInt64($s21->mulInt(683901, 20));
$s8 = $s8->addInt64($s20->mulInt(666643, 20));
$s9 = $s9->addInt64($s20->mulInt(470296, 19));
$s10 = $s10->addInt64($s20->mulInt(654183, 20));
$s11 = $s11->subInt64($s20->mulInt(997805, 20));
$s12 = $s12->addInt64($s20->mulInt(136657, 18));
$s13 = $s13->subInt64($s20->mulInt(683901, 20));
$s7 = $s7->addInt64($s19->mulInt(666643, 20));
$s8 = $s8->addInt64($s19->mulInt(470296, 19));
$s9 = $s9->addInt64($s19->mulInt(654183, 20));
$s10 = $s10->subInt64($s19->mulInt(997805, 20));
$s11 = $s11->addInt64($s19->mulInt(136657, 18));
$s12 = $s12->subInt64($s19->mulInt(683901, 20));
$s6 = $s6->addInt64($s18->mulInt(666643, 20));
$s7 = $s7->addInt64($s18->mulInt(470296, 19));
$s8 = $s8->addInt64($s18->mulInt(654183, 20));
$s9 = $s9->subInt64($s18->mulInt(997805, 20));
$s10 = $s10->addInt64($s18->mulInt(136657, 18));
$s11 = $s11->subInt64($s18->mulInt(683901, 20));
$carry6 = $s6->addInt(1 << 20)->shiftRight(21);
$s7 = $s7->addInt64($carry6);
$s6 = $s6->subInt64($carry6->shiftLeft(21));
$carry8 = $s8->addInt(1 << 20)->shiftRight(21);
$s9 = $s9->addInt64($carry8);
$s8 = $s8->subInt64($carry8->shiftLeft(21));
$carry10 = $s10->addInt(1 << 20)->shiftRight(21);
$s11 = $s11->addInt64($carry10);
$s10 = $s10->subInt64($carry10->shiftLeft(21));
$carry12 = $s12->addInt(1 << 20)->shiftRight(21);
$s13 = $s13->addInt64($carry12);
$s12 = $s12->subInt64($carry12->shiftLeft(21));
$carry14 = $s14->addInt(1 << 20)->shiftRight(21);
$s15 = $s15->addInt64($carry14);
$s14 = $s14->subInt64($carry14->shiftLeft(21));
$carry16 = $s16->addInt(1 << 20)->shiftRight(21);
$s17 = $s17->addInt64($carry16);
$s16 = $s16->subInt64($carry16->shiftLeft(21));
$carry7 = $s7->addInt(1 << 20)->shiftRight(21);
$s8 = $s8->addInt64($carry7);
$s7 = $s7->subInt64($carry7->shiftLeft(21));
$carry9 = $s9->addInt(1 << 20)->shiftRight(21);
$s10 = $s10->addInt64($carry9);
$s9 = $s9->subInt64($carry9->shiftLeft(21));
$carry11 = $s11->addInt(1 << 20)->shiftRight(21);
$s12 = $s12->addInt64($carry11);
$s11 = $s11->subInt64($carry11->shiftLeft(21));
$carry13 = $s13->addInt(1 << 20)->shiftRight(21);
$s14 = $s14->addInt64($carry13);
$s13 = $s13->subInt64($carry13->shiftLeft(21));
$carry15 = $s15->addInt(1 << 20)->shiftRight(21);
$s16 = $s16->addInt64($carry15);
$s15 = $s15->subInt64($carry15->shiftLeft(21));
$s5 = $s5->addInt64($s17->mulInt(666643, 20));
$s6 = $s6->addInt64($s17->mulInt(470296, 19));
$s7 = $s7->addInt64($s17->mulInt(654183, 20));
$s8 = $s8->subInt64($s17->mulInt(997805, 20));
$s9 = $s9->addInt64($s17->mulInt(136657, 18));
$s10 = $s10->subInt64($s17->mulInt(683901, 20));
$s4 = $s4->addInt64($s16->mulInt(666643, 20));
$s5 = $s5->addInt64($s16->mulInt(470296, 19));
$s6 = $s6->addInt64($s16->mulInt(654183, 20));
$s7 = $s7->subInt64($s16->mulInt(997805, 20));
$s8 = $s8->addInt64($s16->mulInt(136657, 18));
$s9 = $s9->subInt64($s16->mulInt(683901, 20));
$s3 = $s3->addInt64($s15->mulInt(666643, 20));
$s4 = $s4->addInt64($s15->mulInt(470296, 19));
$s5 = $s5->addInt64($s15->mulInt(654183, 20));
$s6 = $s6->subInt64($s15->mulInt(997805, 20));
$s7 = $s7->addInt64($s15->mulInt(136657, 18));
$s8 = $s8->subInt64($s15->mulInt(683901, 20));
$s2 = $s2->addInt64($s14->mulInt(666643, 20));
$s3 = $s3->addInt64($s14->mulInt(470296, 19));
$s4 = $s4->addInt64($s14->mulInt(654183, 20));
$s5 = $s5->subInt64($s14->mulInt(997805, 20));
$s6 = $s6->addInt64($s14->mulInt(136657, 18));
$s7 = $s7->subInt64($s14->mulInt(683901, 20));
$s1 = $s1->addInt64($s13->mulInt(666643, 20));
$s2 = $s2->addInt64($s13->mulInt(470296, 19));
$s3 = $s3->addInt64($s13->mulInt(654183, 20));
$s4 = $s4->subInt64($s13->mulInt(997805, 20));
$s5 = $s5->addInt64($s13->mulInt(136657, 18));
$s6 = $s6->subInt64($s13->mulInt(683901, 20));
$s0 = $s0->addInt64($s12->mulInt(666643, 20));
$s1 = $s1->addInt64($s12->mulInt(470296, 19));
$s2 = $s2->addInt64($s12->mulInt(654183, 20));
$s3 = $s3->subInt64($s12->mulInt(997805, 20));
$s4 = $s4->addInt64($s12->mulInt(136657, 18));
$s5 = $s5->subInt64($s12->mulInt(683901, 20));
$s12 = new ParagonIE_Sodium_Core32_Int64();
$carry0 = $s0->addInt(1 << 20)->shiftRight(21);
$s1 = $s1->addInt64($carry0);
$s0 = $s0->subInt64($carry0->shiftLeft(21));
$carry2 = $s2->addInt(1 << 20)->shiftRight(21);
$s3 = $s3->addInt64($carry2);
$s2 = $s2->subInt64($carry2->shiftLeft(21));
$carry4 = $s4->addInt(1 << 20)->shiftRight(21);
$s5 = $s5->addInt64($carry4);
$s4 = $s4->subInt64($carry4->shiftLeft(21));
$carry6 = $s6->addInt(1 << 20)->shiftRight(21);
$s7 = $s7->addInt64($carry6);
$s6 = $s6->subInt64($carry6->shiftLeft(21));
$carry8 = $s8->addInt(1 << 20)->shiftRight(21);
$s9 = $s9->addInt64($carry8);
$s8 = $s8->subInt64($carry8->shiftLeft(21));
$carry10 = $s10->addInt(1 << 20)->shiftRight(21);
$s11 = $s11->addInt64($carry10);
$s10 = $s10->subInt64($carry10->shiftLeft(21));
$carry1 = $s1->addInt(1 << 20)->shiftRight(21);
$s2 = $s2->addInt64($carry1);
$s1 = $s1->subInt64($carry1->shiftLeft(21));
$carry3 = $s3->addInt(1 << 20)->shiftRight(21);
$s4 = $s4->addInt64($carry3);
$s3 = $s3->subInt64($carry3->shiftLeft(21));
$carry5 = $s5->addInt(1 << 20)->shiftRight(21);
$s6 = $s6->addInt64($carry5);
$s5 = $s5->subInt64($carry5->shiftLeft(21));
$carry7 = $s7->addInt(1 << 20)->shiftRight(21);
$s8 = $s8->addInt64($carry7);
$s7 = $s7->subInt64($carry7->shiftLeft(21));
$carry9 = $s9->addInt(1 << 20)->shiftRight(21);
$s10 = $s10->addInt64($carry9);
$s9 = $s9->subInt64($carry9->shiftLeft(21));
$carry11 = $s11->addInt(1 << 20)->shiftRight(21);
$s12 = $s12->addInt64($carry11);
$s11 = $s11->subInt64($carry11->shiftLeft(21));
$s0 = $s0->addInt64($s12->mulInt(666643, 20));
$s1 = $s1->addInt64($s12->mulInt(470296, 19));
$s2 = $s2->addInt64($s12->mulInt(654183, 20));
$s3 = $s3->subInt64($s12->mulInt(997805, 20));
$s4 = $s4->addInt64($s12->mulInt(136657, 18));
$s5 = $s5->subInt64($s12->mulInt(683901, 20));
$s12 = new ParagonIE_Sodium_Core32_Int64();
$carry0 = $s0->shiftRight(21);
$s1 = $s1->addInt64($carry0);
$s0 = $s0->subInt64($carry0->shiftLeft(21));
$carry1 = $s1->shiftRight(21);
$s2 = $s2->addInt64($carry1);
$s1 = $s1->subInt64($carry1->shiftLeft(21));
$carry2 = $s2->shiftRight(21);
$s3 = $s3->addInt64($carry2);
$s2 = $s2->subInt64($carry2->shiftLeft(21));
$carry3 = $s3->shiftRight(21);
$s4 = $s4->addInt64($carry3);
$s3 = $s3->subInt64($carry3->shiftLeft(21));
$carry4 = $s4->shiftRight(21);
$s5 = $s5->addInt64($carry4);
$s4 = $s4->subInt64($carry4->shiftLeft(21));
$carry5 = $s5->shiftRight(21);
$s6 = $s6->addInt64($carry5);
$s5 = $s5->subInt64($carry5->shiftLeft(21));
$carry6 = $s6->shiftRight(21);
$s7 = $s7->addInt64($carry6);
$s6 = $s6->subInt64($carry6->shiftLeft(21));
$carry7 = $s7->shiftRight(21);
$s8 = $s8->addInt64($carry7);
$s7 = $s7->subInt64($carry7->shiftLeft(21));
$carry8 = $s8->shiftRight(21);
$s9 = $s9->addInt64($carry8);
$s8 = $s8->subInt64($carry8->shiftLeft(21));
$carry9 = $s9->shiftRight(21);
$s10 = $s10->addInt64($carry9);
$s9 = $s9->subInt64($carry9->shiftLeft(21));
$carry10 = $s10->shiftRight(21);
$s11 = $s11->addInt64($carry10);
$s10 = $s10->subInt64($carry10->shiftLeft(21));
$carry11 = $s11->shiftRight(21);
$s12 = $s12->addInt64($carry11);
$s11 = $s11->subInt64($carry11->shiftLeft(21));
$s0 = $s0->addInt64($s12->mulInt(666643, 20));
$s1 = $s1->addInt64($s12->mulInt(470296, 19));
$s2 = $s2->addInt64($s12->mulInt(654183, 20));
$s3 = $s3->subInt64($s12->mulInt(997805, 20));
$s4 = $s4->addInt64($s12->mulInt(136657, 18));
$s5 = $s5->subInt64($s12->mulInt(683901, 20));
$carry0 = $s0->shiftRight(21);
$s1 = $s1->addInt64($carry0);
$s0 = $s0->subInt64($carry0->shiftLeft(21));
$carry1 = $s1->shiftRight(21);
$s2 = $s2->addInt64($carry1);
$s1 = $s1->subInt64($carry1->shiftLeft(21));
$carry2 = $s2->shiftRight(21);
$s3 = $s3->addInt64($carry2);
$s2 = $s2->subInt64($carry2->shiftLeft(21));
$carry3 = $s3->shiftRight(21);
$s4 = $s4->addInt64($carry3);
$s3 = $s3->subInt64($carry3->shiftLeft(21));
$carry4 = $s4->shiftRight(21);
$s5 = $s5->addInt64($carry4);
$s4 = $s4->subInt64($carry4->shiftLeft(21));
$carry5 = $s5->shiftRight(21);
$s6 = $s6->addInt64($carry5);
$s5 = $s5->subInt64($carry5->shiftLeft(21));
$carry6 = $s6->shiftRight(21);
$s7 = $s7->addInt64($carry6);
$s6 = $s6->subInt64($carry6->shiftLeft(21));
$carry7 = $s7->shiftRight(21);
$s8 = $s8->addInt64($carry7);
$s7 = $s7->subInt64($carry7->shiftLeft(21));
$carry8 = $s8->shiftRight(21);
$s9 = $s9->addInt64($carry8);
$s8 = $s8->subInt64($carry8->shiftLeft(21));
$carry9 = $s9->shiftRight(21);
$s10 = $s10->addInt64($carry9);
$s9 = $s9->subInt64($carry9->shiftLeft(21));
$carry10 = $s10->shiftRight(21);
$s11 = $s11->addInt64($carry10);
$s10 = $s10->subInt64($carry10->shiftLeft(21));
$S0 = $s0->toInt32()->toInt();
$S1 = $s1->toInt32()->toInt();
$S2 = $s2->toInt32()->toInt();
$S3 = $s3->toInt32()->toInt();
$S4 = $s4->toInt32()->toInt();
$S5 = $s5->toInt32()->toInt();
$S6 = $s6->toInt32()->toInt();
$S7 = $s7->toInt32()->toInt();
$S8 = $s8->toInt32()->toInt();
$S9 = $s9->toInt32()->toInt();
$S10 = $s10->toInt32()->toInt();
$S11 = $s11->toInt32()->toInt();
/**
* @var array
*/
$arr = array(
(int) ($S0 >> 0),
(int) ($S0 >> 8),
(int) (($S0 >> 16) | ($S1 << 5)),
(int) ($S1 >> 3),
(int) ($S1 >> 11),
(int) (($S1 >> 19) | ($S2 << 2)),
(int) ($S2 >> 6),
(int) (($S2 >> 14) | ($S3 << 7)),
(int) ($S3 >> 1),
(int) ($S3 >> 9),
(int) (($S3 >> 17) | ($S4 << 4)),
(int) ($S4 >> 4),
(int) ($S4 >> 12),
(int) (($S4 >> 20) | ($S5 << 1)),
(int) ($S5 >> 7),
(int) (($S5 >> 15) | ($S6 << 6)),
(int) ($S6 >> 2),
(int) ($S6 >> 10),
(int) (($S6 >> 18) | ($S7 << 3)),
(int) ($S7 >> 5),
(int) ($S7 >> 13),
(int) ($S8 >> 0),
(int) ($S8 >> 8),
(int) (($S8 >> 16) | ($S9 << 5)),
(int) ($S9 >> 3),
(int) ($S9 >> 11),
(int) (($S9 >> 19) | ($S10 << 2)),
(int) ($S10 >> 6),
(int) (($S10 >> 14) | ($S11 << 7)),
(int) ($S11 >> 1),
(int) ($S11 >> 9),
(int) $S11 >> 17
);
return self::intArrayToString($arr);
}
/**
* multiply by the order of the main subgroup l = 2^252+27742317777372353535851937790883648493
*
* @param ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A
* @return ParagonIE_Sodium_Core32_Curve25519_Ge_P3
* @throws SodiumException
* @throws TypeError
*/
public static function ge_mul_l(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A)
{
/** @var array $aslide */
$aslide = array(
13, 0, 0, 0, 0, -1, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, -5, 0, 0, 0,
0, 0, 0, -3, 0, 0, 0, 0, -13, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 3, 0,
0, 0, 0, -13, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0,
0, 0, 11, 0, 0, 0, 0, -13, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, 0, -1,
0, 0, 0, 0, 3, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0,
0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 7, 0, 0, 0, 0, 5, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
);
/** @var array $Ai size 8 */
$Ai = array();
# ge_p3_to_cached(&Ai[0], A);
$Ai[0] = self::ge_p3_to_cached($A);
# ge_p3_dbl(&t, A);
$t = self::ge_p3_dbl($A);
# ge_p1p1_to_p3(&A2, &t);
$A2 = self::ge_p1p1_to_p3($t);
for ($i = 1; $i < 8; ++$i) {
# ge_add(&t, &A2, &Ai[0]);
$t = self::ge_add($A2, $Ai[$i - 1]);
# ge_p1p1_to_p3(&u, &t);
$u = self::ge_p1p1_to_p3($t);
# ge_p3_to_cached(&Ai[i], &u);
$Ai[$i] = self::ge_p3_to_cached($u);
}
$r = self::ge_p3_0();
for ($i = 252; $i >= 0; --$i) {
$t = self::ge_p3_dbl($r);
if ($aslide[$i] > 0) {
# ge_p1p1_to_p3(&u, &t);
$u = self::ge_p1p1_to_p3($t);
# ge_add(&t, &u, &Ai[aslide[i] / 2]);
$t = self::ge_add($u, $Ai[(int)($aslide[$i] / 2)]);
} elseif ($aslide[$i] < 0) {
# ge_p1p1_to_p3(&u, &t);
$u = self::ge_p1p1_to_p3($t);
# ge_sub(&t, &u, &Ai[(-aslide[i]) / 2]);
$t = self::ge_sub($u, $Ai[(int)(-$aslide[$i] / 2)]);
}
}
# ge_p1p1_to_p3(r, &t);
return self::ge_p1p1_to_p3($t);
}
}
src/Core32/Ed25519.php 0000644 00000036402 15120157171 0010044 0 ustar 00 X)) {
throw new SodiumException('Unexpected zero result');
}
# fe_1(one_minus_y);
# fe_sub(one_minus_y, one_minus_y, A.Y);
# fe_invert(one_minus_y, one_minus_y);
$one_minux_y = self::fe_invert(
self::fe_sub(
self::fe_1(),
$A->Y
)
);
# fe_1(x);
# fe_add(x, x, A.Y);
# fe_mul(x, x, one_minus_y);
$x = self::fe_mul(
self::fe_add(self::fe_1(), $A->Y),
$one_minux_y
);
# fe_tobytes(curve25519_pk, x);
return self::fe_tobytes($x);
}
/**
* @internal You should not use this directly from another application
*
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sk_to_pk($sk)
{
return self::ge_p3_tobytes(
self::ge_scalarmult_base(
self::substr($sk, 0, 32)
)
);
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sign($message, $sk)
{
/** @var string $signature */
$signature = self::sign_detached($message, $sk);
return $signature . $message;
}
/**
* @internal You should not use this directly from another application
*
* @param string $message A signed message
* @param string $pk Public key
* @return string Message (without signature)
* @throws SodiumException
* @throws TypeError
*/
public static function sign_open($message, $pk)
{
/** @var string $signature */
$signature = self::substr($message, 0, 64);
/** @var string $message */
$message = self::substr($message, 64);
if (self::verify_detached($signature, $message, $pk)) {
return $message;
}
throw new SodiumException('Invalid signature');
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
* @psalm-suppress PossiblyInvalidArgument
*/
public static function sign_detached($message, $sk)
{
# crypto_hash_sha512(az, sk, 32);
$az = hash('sha512', self::substr($sk, 0, 32), true);
# az[0] &= 248;
# az[31] &= 63;
# az[31] |= 64;
$az[0] = self::intToChr(self::chrToInt($az[0]) & 248);
$az[31] = self::intToChr((self::chrToInt($az[31]) & 63) | 64);
# crypto_hash_sha512_init(&hs);
# crypto_hash_sha512_update(&hs, az + 32, 32);
# crypto_hash_sha512_update(&hs, m, mlen);
# crypto_hash_sha512_final(&hs, nonce);
$hs = hash_init('sha512');
self::hash_update($hs, self::substr($az, 32, 32));
self::hash_update($hs, $message);
$nonceHash = hash_final($hs, true);
# memmove(sig + 32, sk + 32, 32);
$pk = self::substr($sk, 32, 32);
# sc_reduce(nonce);
# ge_scalarmult_base(&R, nonce);
# ge_p3_tobytes(sig, &R);
$nonce = self::sc_reduce($nonceHash) . self::substr($nonceHash, 32);
$sig = self::ge_p3_tobytes(
self::ge_scalarmult_base($nonce)
);
# crypto_hash_sha512_init(&hs);
# crypto_hash_sha512_update(&hs, sig, 64);
# crypto_hash_sha512_update(&hs, m, mlen);
# crypto_hash_sha512_final(&hs, hram);
$hs = hash_init('sha512');
self::hash_update($hs, self::substr($sig, 0, 32));
self::hash_update($hs, self::substr($pk, 0, 32));
self::hash_update($hs, $message);
$hramHash = hash_final($hs, true);
# sc_reduce(hram);
# sc_muladd(sig + 32, hram, az, nonce);
$hram = self::sc_reduce($hramHash);
$sigAfter = self::sc_muladd($hram, $az, $nonce);
$sig = self::substr($sig, 0, 32) . self::substr($sigAfter, 0, 32);
try {
ParagonIE_Sodium_Compat::memzero($az);
} catch (SodiumException $ex) {
$az = null;
}
return $sig;
}
/**
* @internal You should not use this directly from another application
*
* @param string $sig
* @param string $message
* @param string $pk
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function verify_detached($sig, $message, $pk)
{
if (self::strlen($sig) < 64) {
throw new SodiumException('Signature is too short');
}
if ((self::chrToInt($sig[63]) & 240) && self::check_S_lt_L(self::substr($sig, 32, 32))) {
throw new SodiumException('S < L - Invalid signature');
}
if (self::small_order($sig)) {
throw new SodiumException('Signature is on too small of an order');
}
if ((self::chrToInt($sig[63]) & 224) !== 0) {
throw new SodiumException('Invalid signature');
}
$d = 0;
for ($i = 0; $i < 32; ++$i) {
$d |= self::chrToInt($pk[$i]);
}
if ($d === 0) {
throw new SodiumException('All zero public key');
}
/** @var bool The original value of ParagonIE_Sodium_Compat::$fastMult */
$orig = ParagonIE_Sodium_Compat::$fastMult;
// Set ParagonIE_Sodium_Compat::$fastMult to true to speed up verification.
ParagonIE_Sodium_Compat::$fastMult = true;
/** @var ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A */
$A = self::ge_frombytes_negate_vartime($pk);
/** @var string $hDigest */
$hDigest = hash(
'sha512',
self::substr($sig, 0, 32) .
self::substr($pk, 0, 32) .
$message,
true
);
/** @var string $h */
$h = self::sc_reduce($hDigest) . self::substr($hDigest, 32);
/** @var ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $R */
$R = self::ge_double_scalarmult_vartime(
$h,
$A,
self::substr($sig, 32)
);
/** @var string $rcheck */
$rcheck = self::ge_tobytes($R);
// Reset ParagonIE_Sodium_Compat::$fastMult to what it was before.
ParagonIE_Sodium_Compat::$fastMult = $orig;
return self::verify_32($rcheck, self::substr($sig, 0, 32));
}
/**
* @internal You should not use this directly from another application
*
* @param string $S
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function check_S_lt_L($S)
{
if (self::strlen($S) < 32) {
throw new SodiumException('Signature must be 32 bytes');
}
static $L = array(
0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58,
0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10
);
/** @var array $L */
$c = 0;
$n = 1;
$i = 32;
do {
--$i;
$x = self::chrToInt($S[$i]);
$c |= (
(($x - $L[$i]) >> 8) & $n
);
$n &= (
(($x ^ $L[$i]) - 1) >> 8
);
} while ($i !== 0);
return $c === 0;
}
/**
* @param string $R
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function small_order($R)
{
static $blocklist = array(
/* 0 (order 4) */
array(
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
),
/* 1 (order 1) */
array(
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
),
/* 2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */
array(
0x26, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0,
0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0,
0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39,
0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x05
),
/* 55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */
array(
0xc7, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f,
0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f,
0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6,
0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0x7a
),
/* p-1 (order 2) */
array(
0x13, 0xe8, 0x95, 0x8f, 0xc2, 0xb2, 0x27, 0xb0,
0x45, 0xc3, 0xf4, 0x89, 0xf2, 0xef, 0x98, 0xf0,
0xd5, 0xdf, 0xac, 0x05, 0xd3, 0xc6, 0x33, 0x39,
0xb1, 0x38, 0x02, 0x88, 0x6d, 0x53, 0xfc, 0x85
),
/* p (order 4) */
array(
0xb4, 0x17, 0x6a, 0x70, 0x3d, 0x4d, 0xd8, 0x4f,
0xba, 0x3c, 0x0b, 0x76, 0x0d, 0x10, 0x67, 0x0f,
0x2a, 0x20, 0x53, 0xfa, 0x2c, 0x39, 0xcc, 0xc6,
0x4e, 0xc7, 0xfd, 0x77, 0x92, 0xac, 0x03, 0xfa
),
/* p+1 (order 1) */
array(
0xec, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
),
/* p+2707385501144840649318225287225658788936804267575313519463743609750303402022 (order 8) */
array(
0xed, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
),
/* p+55188659117513257062467267217118295137698188065244968500265048394206261417927 (order 8) */
array(
0xee, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
),
/* 2p-1 (order 2) */
array(
0xd9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
),
/* 2p (order 4) */
array(
0xda, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
),
/* 2p+1 (order 1) */
array(
0xdb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
)
);
/** @var array> $blocklist */
$countBlocklist = count($blocklist);
for ($i = 0; $i < $countBlocklist; ++$i) {
$c = 0;
for ($j = 0; $j < 32; ++$j) {
$c |= self::chrToInt($R[$j]) ^ $blocklist[$i][$j];
}
if ($c === 0) {
return true;
}
}
return false;
}
}
src/Core32/HChaCha20.php 0000644 00000012261 15120157171 0010464 0 ustar 00 toReverseString() .
$x1->toReverseString() .
$x2->toReverseString() .
$x3->toReverseString() .
$x12->toReverseString() .
$x13->toReverseString() .
$x14->toReverseString() .
$x15->toReverseString();
}
}
src/Core32/HSalsa20.php 0000644 00000015435 15120157171 0010426 0 ustar 00 0; $i -= 2) {
$x4 = $x4->xorInt32($x0->addInt32($x12)->rotateLeft(7));
$x8 = $x8->xorInt32($x4->addInt32($x0)->rotateLeft(9));
$x12 = $x12->xorInt32($x8->addInt32($x4)->rotateLeft(13));
$x0 = $x0->xorInt32($x12->addInt32($x8)->rotateLeft(18));
$x9 = $x9->xorInt32($x5->addInt32($x1)->rotateLeft(7));
$x13 = $x13->xorInt32($x9->addInt32($x5)->rotateLeft(9));
$x1 = $x1->xorInt32($x13->addInt32($x9)->rotateLeft(13));
$x5 = $x5->xorInt32($x1->addInt32($x13)->rotateLeft(18));
$x14 = $x14->xorInt32($x10->addInt32($x6)->rotateLeft(7));
$x2 = $x2->xorInt32($x14->addInt32($x10)->rotateLeft(9));
$x6 = $x6->xorInt32($x2->addInt32($x14)->rotateLeft(13));
$x10 = $x10->xorInt32($x6->addInt32($x2)->rotateLeft(18));
$x3 = $x3->xorInt32($x15->addInt32($x11)->rotateLeft(7));
$x7 = $x7->xorInt32($x3->addInt32($x15)->rotateLeft(9));
$x11 = $x11->xorInt32($x7->addInt32($x3)->rotateLeft(13));
$x15 = $x15->xorInt32($x11->addInt32($x7)->rotateLeft(18));
$x1 = $x1->xorInt32($x0->addInt32($x3)->rotateLeft(7));
$x2 = $x2->xorInt32($x1->addInt32($x0)->rotateLeft(9));
$x3 = $x3->xorInt32($x2->addInt32($x1)->rotateLeft(13));
$x0 = $x0->xorInt32($x3->addInt32($x2)->rotateLeft(18));
$x6 = $x6->xorInt32($x5->addInt32($x4)->rotateLeft(7));
$x7 = $x7->xorInt32($x6->addInt32($x5)->rotateLeft(9));
$x4 = $x4->xorInt32($x7->addInt32($x6)->rotateLeft(13));
$x5 = $x5->xorInt32($x4->addInt32($x7)->rotateLeft(18));
$x11 = $x11->xorInt32($x10->addInt32($x9)->rotateLeft(7));
$x8 = $x8->xorInt32($x11->addInt32($x10)->rotateLeft(9));
$x9 = $x9->xorInt32($x8->addInt32($x11)->rotateLeft(13));
$x10 = $x10->xorInt32($x9->addInt32($x8)->rotateLeft(18));
$x12 = $x12->xorInt32($x15->addInt32($x14)->rotateLeft(7));
$x13 = $x13->xorInt32($x12->addInt32($x15)->rotateLeft(9));
$x14 = $x14->xorInt32($x13->addInt32($x12)->rotateLeft(13));
$x15 = $x15->xorInt32($x14->addInt32($x13)->rotateLeft(18));
}
return $x0->toReverseString() .
$x5->toReverseString() .
$x10->toReverseString() .
$x15->toReverseString() .
$x6->toReverseString() .
$x7->toReverseString() .
$x8->toReverseString() .
$x9->toReverseString();
}
}
src/Core32/Int32.php 0000644 00000057736 15120157171 0010022 0 ustar 00 - two 16-bit integers
*
* 0 is the higher 16 bits
* 1 is the lower 16 bits
*/
public $limbs = array(0, 0);
/**
* @var int
*/
public $overflow = 0;
/**
* @var bool
*/
public $unsignedInt = false;
/**
* ParagonIE_Sodium_Core32_Int32 constructor.
* @param array $array
* @param bool $unsignedInt
*/
public function __construct($array = array(0, 0), $unsignedInt = false)
{
$this->limbs = array(
(int) $array[0],
(int) $array[1]
);
$this->overflow = 0;
$this->unsignedInt = $unsignedInt;
}
/**
* Adds two int32 objects
*
* @param ParagonIE_Sodium_Core32_Int32 $addend
* @return ParagonIE_Sodium_Core32_Int32
*/
public function addInt32(ParagonIE_Sodium_Core32_Int32 $addend)
{
$i0 = $this->limbs[0];
$i1 = $this->limbs[1];
$j0 = $addend->limbs[0];
$j1 = $addend->limbs[1];
$r1 = $i1 + ($j1 & 0xffff);
$carry = $r1 >> 16;
$r0 = $i0 + ($j0 & 0xffff) + $carry;
$carry = $r0 >> 16;
$r0 &= 0xffff;
$r1 &= 0xffff;
$return = new ParagonIE_Sodium_Core32_Int32(
array($r0, $r1)
);
$return->overflow = $carry;
$return->unsignedInt = $this->unsignedInt;
return $return;
}
/**
* Adds a normal integer to an int32 object
*
* @param int $int
* @return ParagonIE_Sodium_Core32_Int32
* @throws SodiumException
* @throws TypeError
*/
public function addInt($int)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1);
/** @var int $int */
$int = (int) $int;
$int = (int) $int;
$i0 = $this->limbs[0];
$i1 = $this->limbs[1];
$r1 = $i1 + ($int & 0xffff);
$carry = $r1 >> 16;
$r0 = $i0 + (($int >> 16) & 0xffff) + $carry;
$carry = $r0 >> 16;
$r0 &= 0xffff;
$r1 &= 0xffff;
$return = new ParagonIE_Sodium_Core32_Int32(
array($r0, $r1)
);
$return->overflow = $carry;
$return->unsignedInt = $this->unsignedInt;
return $return;
}
/**
* @param int $b
* @return int
*/
public function compareInt($b = 0)
{
$gt = 0;
$eq = 1;
$i = 2;
$j = 0;
while ($i > 0) {
--$i;
/** @var int $x1 */
$x1 = $this->limbs[$i];
/** @var int $x2 */
$x2 = ($b >> ($j << 4)) & 0xffff;
/** @var int $gt */
$gt |= (($x2 - $x1) >> 8) & $eq;
/** @var int $eq */
$eq &= (($x2 ^ $x1) - 1) >> 8;
}
return ($gt + $gt - $eq) + 1;
}
/**
* @param int $m
* @return ParagonIE_Sodium_Core32_Int32
*/
public function mask($m = 0)
{
/** @var int $hi */
$hi = ($m >> 16) & 0xffff;
/** @var int $lo */
$lo = ($m & 0xffff);
return new ParagonIE_Sodium_Core32_Int32(
array(
(int) ($this->limbs[0] & $hi),
(int) ($this->limbs[1] & $lo)
),
$this->unsignedInt
);
}
/**
* @param array $a
* @param array $b
* @param int $baseLog2
* @return array
*/
public function multiplyLong(array $a, array $b, $baseLog2 = 16)
{
$a_l = count($a);
$b_l = count($b);
/** @var array $r */
$r = array_fill(0, $a_l + $b_l + 1, 0);
$base = 1 << $baseLog2;
for ($i = 0; $i < $a_l; ++$i) {
$a_i = $a[$i];
for ($j = 0; $j < $a_l; ++$j) {
$b_j = $b[$j];
$product = ($a_i * $b_j) + $r[$i + $j];
$carry = ($product >> $baseLog2 & 0xffff);
$r[$i + $j] = ($product - (int) ($carry * $base)) & 0xffff;
$r[$i + $j + 1] += $carry;
}
}
return array_slice($r, 0, 5);
}
/**
* @param int $int
* @return ParagonIE_Sodium_Core32_Int32
*/
public function mulIntFast($int)
{
// Handle negative numbers
$aNeg = ($this->limbs[0] >> 15) & 1;
$bNeg = ($int >> 31) & 1;
$a = array_reverse($this->limbs);
$b = array(
$int & 0xffff,
($int >> 16) & 0xffff
);
if ($aNeg) {
for ($i = 0; $i < 2; ++$i) {
$a[$i] = ($a[$i] ^ 0xffff) & 0xffff;
}
++$a[0];
}
if ($bNeg) {
for ($i = 0; $i < 2; ++$i) {
$b[$i] = ($b[$i] ^ 0xffff) & 0xffff;
}
++$b[0];
}
// Multiply
$res = $this->multiplyLong($a, $b);
// Re-apply negation to results
if ($aNeg !== $bNeg) {
for ($i = 0; $i < 2; ++$i) {
$res[$i] = (0xffff ^ $res[$i]) & 0xffff;
}
// Handle integer overflow
$c = 1;
for ($i = 0; $i < 2; ++$i) {
$res[$i] += $c;
$c = $res[$i] >> 16;
$res[$i] &= 0xffff;
}
}
// Return our values
$return = new ParagonIE_Sodium_Core32_Int32();
$return->limbs = array(
$res[1] & 0xffff,
$res[0] & 0xffff
);
if (count($res) > 2) {
$return->overflow = $res[2] & 0xffff;
}
$return->unsignedInt = $this->unsignedInt;
return $return;
}
/**
* @param ParagonIE_Sodium_Core32_Int32 $right
* @return ParagonIE_Sodium_Core32_Int32
*/
public function mulInt32Fast(ParagonIE_Sodium_Core32_Int32 $right)
{
$aNeg = ($this->limbs[0] >> 15) & 1;
$bNeg = ($right->limbs[0] >> 15) & 1;
$a = array_reverse($this->limbs);
$b = array_reverse($right->limbs);
if ($aNeg) {
for ($i = 0; $i < 2; ++$i) {
$a[$i] = ($a[$i] ^ 0xffff) & 0xffff;
}
++$a[0];
}
if ($bNeg) {
for ($i = 0; $i < 2; ++$i) {
$b[$i] = ($b[$i] ^ 0xffff) & 0xffff;
}
++$b[0];
}
$res = $this->multiplyLong($a, $b);
if ($aNeg !== $bNeg) {
if ($aNeg !== $bNeg) {
for ($i = 0; $i < 2; ++$i) {
$res[$i] = ($res[$i] ^ 0xffff) & 0xffff;
}
$c = 1;
for ($i = 0; $i < 2; ++$i) {
$res[$i] += $c;
$c = $res[$i] >> 16;
$res[$i] &= 0xffff;
}
}
}
$return = new ParagonIE_Sodium_Core32_Int32();
$return->limbs = array(
$res[1] & 0xffff,
$res[0] & 0xffff
);
if (count($res) > 2) {
$return->overflow = $res[2];
}
return $return;
}
/**
* @param int $int
* @param int $size
* @return ParagonIE_Sodium_Core32_Int32
* @throws SodiumException
* @throws TypeError
*/
public function mulInt($int = 0, $size = 0)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1);
ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2);
if (ParagonIE_Sodium_Compat::$fastMult) {
return $this->mulIntFast((int) $int);
}
/** @var int $int */
$int = (int) $int;
/** @var int $size */
$size = (int) $size;
if (!$size) {
$size = 31;
}
/** @var int $size */
$a = clone $this;
$return = new ParagonIE_Sodium_Core32_Int32();
$return->unsignedInt = $this->unsignedInt;
// Initialize:
$ret0 = 0;
$ret1 = 0;
$a0 = $a->limbs[0];
$a1 = $a->limbs[1];
/** @var int $size */
/** @var int $i */
for ($i = $size; $i >= 0; --$i) {
$m = (int) (-($int & 1));
$x0 = $a0 & $m;
$x1 = $a1 & $m;
$ret1 += $x1;
$c = $ret1 >> 16;
$ret0 += $x0 + $c;
$ret0 &= 0xffff;
$ret1 &= 0xffff;
$a1 = ($a1 << 1);
$x1 = $a1 >> 16;
$a0 = ($a0 << 1) | $x1;
$a0 &= 0xffff;
$a1 &= 0xffff;
$int >>= 1;
}
$return->limbs[0] = $ret0;
$return->limbs[1] = $ret1;
return $return;
}
/**
* @param ParagonIE_Sodium_Core32_Int32 $int
* @param int $size
* @return ParagonIE_Sodium_Core32_Int32
* @throws SodiumException
* @throws TypeError
*/
public function mulInt32(ParagonIE_Sodium_Core32_Int32 $int, $size = 0)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2);
if (ParagonIE_Sodium_Compat::$fastMult) {
return $this->mulInt32Fast($int);
}
if (!$size) {
$size = 31;
}
/** @var int $size */
$a = clone $this;
$b = clone $int;
$return = new ParagonIE_Sodium_Core32_Int32();
$return->unsignedInt = $this->unsignedInt;
// Initialize:
$ret0 = 0;
$ret1 = 0;
$a0 = $a->limbs[0];
$a1 = $a->limbs[1];
$b0 = $b->limbs[0];
$b1 = $b->limbs[1];
/** @var int $size */
/** @var int $i */
for ($i = $size; $i >= 0; --$i) {
$m = (int) (-($b1 & 1));
$x0 = $a0 & $m;
$x1 = $a1 & $m;
$ret1 += $x1;
$c = $ret1 >> 16;
$ret0 += $x0 + $c;
$ret0 &= 0xffff;
$ret1 &= 0xffff;
$a1 = ($a1 << 1);
$x1 = $a1 >> 16;
$a0 = ($a0 << 1) | $x1;
$a0 &= 0xffff;
$a1 &= 0xffff;
$x0 = ($b0 & 1) << 16;
$b0 = ($b0 >> 1);
$b1 = (($b1 | $x0) >> 1);
$b0 &= 0xffff;
$b1 &= 0xffff;
}
$return->limbs[0] = $ret0;
$return->limbs[1] = $ret1;
return $return;
}
/**
* OR this 32-bit integer with another.
*
* @param ParagonIE_Sodium_Core32_Int32 $b
* @return ParagonIE_Sodium_Core32_Int32
*/
public function orInt32(ParagonIE_Sodium_Core32_Int32 $b)
{
$return = new ParagonIE_Sodium_Core32_Int32();
$return->unsignedInt = $this->unsignedInt;
$return->limbs = array(
(int) ($this->limbs[0] | $b->limbs[0]),
(int) ($this->limbs[1] | $b->limbs[1])
);
/** @var int overflow */
$return->overflow = $this->overflow | $b->overflow;
return $return;
}
/**
* @param int $b
* @return bool
*/
public function isGreaterThan($b = 0)
{
return $this->compareInt($b) > 0;
}
/**
* @param int $b
* @return bool
*/
public function isLessThanInt($b = 0)
{
return $this->compareInt($b) < 0;
}
/**
* @param int $c
* @return ParagonIE_Sodium_Core32_Int32
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArrayAccess
*/
public function rotateLeft($c = 0)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
/** @var int $c */
$c = (int) $c;
$return = new ParagonIE_Sodium_Core32_Int32();
$return->unsignedInt = $this->unsignedInt;
$c &= 31;
if ($c === 0) {
// NOP, but we want a copy.
$return->limbs = $this->limbs;
} else {
/** @var int $c */
/** @var int $idx_shift */
$idx_shift = ($c >> 4) & 1;
/** @var int $sub_shift */
$sub_shift = $c & 15;
/** @var array $limbs */
$limbs =& $return->limbs;
/** @var array $myLimbs */
$myLimbs =& $this->limbs;
for ($i = 1; $i >= 0; --$i) {
/** @var int $j */
$j = ($i + $idx_shift) & 1;
/** @var int $k */
$k = ($i + $idx_shift + 1) & 1;
$limbs[$i] = (int) (
(
((int) ($myLimbs[$j]) << $sub_shift)
|
((int) ($myLimbs[$k]) >> (16 - $sub_shift))
) & 0xffff
);
}
}
return $return;
}
/**
* Rotate to the right
*
* @param int $c
* @return ParagonIE_Sodium_Core32_Int32
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArrayAccess
*/
public function rotateRight($c = 0)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
/** @var int $c */
$c = (int) $c;
$return = new ParagonIE_Sodium_Core32_Int32();
$return->unsignedInt = $this->unsignedInt;
$c &= 31;
/** @var int $c */
if ($c === 0) {
// NOP, but we want a copy.
$return->limbs = $this->limbs;
} else {
/** @var int $c */
/** @var int $idx_shift */
$idx_shift = ($c >> 4) & 1;
/** @var int $sub_shift */
$sub_shift = $c & 15;
/** @var array $limbs */
$limbs =& $return->limbs;
/** @var array $myLimbs */
$myLimbs =& $this->limbs;
for ($i = 1; $i >= 0; --$i) {
/** @var int $j */
$j = ($i - $idx_shift) & 1;
/** @var int $k */
$k = ($i - $idx_shift - 1) & 1;
$limbs[$i] = (int) (
(
((int) ($myLimbs[$j]) >> (int) ($sub_shift))
|
((int) ($myLimbs[$k]) << (16 - (int) ($sub_shift)))
) & 0xffff
);
}
}
return $return;
}
/**
* @param bool $bool
* @return self
*/
public function setUnsignedInt($bool = false)
{
$this->unsignedInt = !empty($bool);
return $this;
}
/**
* @param int $c
* @return ParagonIE_Sodium_Core32_Int32
* @throws SodiumException
* @throws TypeError
*/
public function shiftLeft($c = 0)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
/** @var int $c */
$c = (int) $c;
$return = new ParagonIE_Sodium_Core32_Int32();
$return->unsignedInt = $this->unsignedInt;
$c &= 63;
/** @var int $c */
if ($c === 0) {
$return->limbs = $this->limbs;
} elseif ($c < 0) {
/** @var int $c */
return $this->shiftRight(-$c);
} else {
/** @var int $c */
/** @var int $tmp */
$tmp = $this->limbs[1] << $c;
$return->limbs[1] = (int)($tmp & 0xffff);
/** @var int $carry */
$carry = $tmp >> 16;
/** @var int $tmp */
$tmp = ($this->limbs[0] << $c) | ($carry & 0xffff);
$return->limbs[0] = (int) ($tmp & 0xffff);
}
return $return;
}
/**
* @param int $c
* @return ParagonIE_Sodium_Core32_Int32
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedOperand
*/
public function shiftRight($c = 0)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
/** @var int $c */
$c = (int) $c;
$return = new ParagonIE_Sodium_Core32_Int32();
$return->unsignedInt = $this->unsignedInt;
$c &= 63;
/** @var int $c */
if ($c >= 16) {
$return->limbs = array(
(int) ($this->overflow & 0xffff),
(int) ($this->limbs[0])
);
$return->overflow = $this->overflow >> 16;
return $return->shiftRight($c & 15);
}
if ($c === 0) {
$return->limbs = $this->limbs;
} elseif ($c < 0) {
/** @var int $c */
return $this->shiftLeft(-$c);
} else {
if (!is_int($c)) {
throw new TypeError();
}
/** @var int $c */
// $return->limbs[0] = (int) (($this->limbs[0] >> $c) & 0xffff);
$carryLeft = (int) ($this->overflow & ((1 << ($c + 1)) - 1));
$return->limbs[0] = (int) ((($this->limbs[0] >> $c) | ($carryLeft << (16 - $c))) & 0xffff);
$carryRight = (int) ($this->limbs[0] & ((1 << ($c + 1)) - 1));
$return->limbs[1] = (int) ((($this->limbs[1] >> $c) | ($carryRight << (16 - $c))) & 0xffff);
$return->overflow >>= $c;
}
return $return;
}
/**
* Subtract a normal integer from an int32 object.
*
* @param int $int
* @return ParagonIE_Sodium_Core32_Int32
* @throws SodiumException
* @throws TypeError
*/
public function subInt($int)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1);
/** @var int $int */
$int = (int) $int;
$return = new ParagonIE_Sodium_Core32_Int32();
$return->unsignedInt = $this->unsignedInt;
/** @var int $tmp */
$tmp = $this->limbs[1] - ($int & 0xffff);
/** @var int $carry */
$carry = $tmp >> 16;
$return->limbs[1] = (int) ($tmp & 0xffff);
/** @var int $tmp */
$tmp = $this->limbs[0] - (($int >> 16) & 0xffff) + $carry;
$return->limbs[0] = (int) ($tmp & 0xffff);
return $return;
}
/**
* Subtract two int32 objects from each other
*
* @param ParagonIE_Sodium_Core32_Int32 $b
* @return ParagonIE_Sodium_Core32_Int32
*/
public function subInt32(ParagonIE_Sodium_Core32_Int32 $b)
{
$return = new ParagonIE_Sodium_Core32_Int32();
$return->unsignedInt = $this->unsignedInt;
/** @var int $tmp */
$tmp = $this->limbs[1] - ($b->limbs[1] & 0xffff);
/** @var int $carry */
$carry = $tmp >> 16;
$return->limbs[1] = (int) ($tmp & 0xffff);
/** @var int $tmp */
$tmp = $this->limbs[0] - ($b->limbs[0] & 0xffff) + $carry;
$return->limbs[0] = (int) ($tmp & 0xffff);
return $return;
}
/**
* XOR this 32-bit integer with another.
*
* @param ParagonIE_Sodium_Core32_Int32 $b
* @return ParagonIE_Sodium_Core32_Int32
*/
public function xorInt32(ParagonIE_Sodium_Core32_Int32 $b)
{
$return = new ParagonIE_Sodium_Core32_Int32();
$return->unsignedInt = $this->unsignedInt;
$return->limbs = array(
(int) ($this->limbs[0] ^ $b->limbs[0]),
(int) ($this->limbs[1] ^ $b->limbs[1])
);
return $return;
}
/**
* @param int $signed
* @return self
* @throws SodiumException
* @throws TypeError
*/
public static function fromInt($signed)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($signed, 'int', 1);;
/** @var int $signed */
$signed = (int) $signed;
return new ParagonIE_Sodium_Core32_Int32(
array(
(int) (($signed >> 16) & 0xffff),
(int) ($signed & 0xffff)
)
);
}
/**
* @param string $string
* @return self
* @throws SodiumException
* @throws TypeError
*/
public static function fromString($string)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1);
$string = (string) $string;
if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 4) {
throw new RangeException(
'String must be 4 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.'
);
}
$return = new ParagonIE_Sodium_Core32_Int32();
$return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff) << 8);
$return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff);
$return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff) << 8);
$return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff);
return $return;
}
/**
* @param string $string
* @return self
* @throws SodiumException
* @throws TypeError
*/
public static function fromReverseString($string)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1);
$string = (string) $string;
if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 4) {
throw new RangeException(
'String must be 4 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.'
);
}
$return = new ParagonIE_Sodium_Core32_Int32();
$return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff) << 8);
$return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff);
$return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff) << 8);
$return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff);
return $return;
}
/**
* @return array
*/
public function toArray()
{
return array((int) ($this->limbs[0] << 16 | $this->limbs[1]));
}
/**
* @return string
* @throws TypeError
*/
public function toString()
{
return
ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff);
}
/**
* @return int
*/
public function toInt()
{
return (int) (
(($this->limbs[0] & 0xffff) << 16)
|
($this->limbs[1] & 0xffff)
);
}
/**
* @return ParagonIE_Sodium_Core32_Int32
*/
public function toInt32()
{
$return = new ParagonIE_Sodium_Core32_Int32();
$return->limbs[0] = (int) ($this->limbs[0] & 0xffff);
$return->limbs[1] = (int) ($this->limbs[1] & 0xffff);
$return->unsignedInt = $this->unsignedInt;
$return->overflow = (int) ($this->overflow & 0x7fffffff);
return $return;
}
/**
* @return ParagonIE_Sodium_Core32_Int64
*/
public function toInt64()
{
$return = new ParagonIE_Sodium_Core32_Int64();
$return->unsignedInt = $this->unsignedInt;
if ($this->unsignedInt) {
$return->limbs[0] += (($this->overflow >> 16) & 0xffff);
$return->limbs[1] += (($this->overflow) & 0xffff);
} else {
$neg = -(($this->limbs[0] >> 15) & 1);
$return->limbs[0] = (int)($neg & 0xffff);
$return->limbs[1] = (int)($neg & 0xffff);
}
$return->limbs[2] = (int) ($this->limbs[0] & 0xffff);
$return->limbs[3] = (int) ($this->limbs[1] & 0xffff);
return $return;
}
/**
* @return string
* @throws TypeError
*/
public function toReverseString()
{
return ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff);
}
/**
* @return string
*/
public function __toString()
{
try {
return $this->toString();
} catch (TypeError $ex) {
// PHP engine can't handle exceptions from __toString()
return '';
}
}
}
src/Core32/Int64.php 0000644 00000074664 15120157171 0010026 0 ustar 00 - four 16-bit integers
*/
public $limbs = array(0, 0, 0, 0);
/**
* @var int
*/
public $overflow = 0;
/**
* @var bool
*/
public $unsignedInt = false;
/**
* ParagonIE_Sodium_Core32_Int64 constructor.
* @param array $array
* @param bool $unsignedInt
*/
public function __construct($array = array(0, 0, 0, 0), $unsignedInt = false)
{
$this->limbs = array(
(int) $array[0],
(int) $array[1],
(int) $array[2],
(int) $array[3]
);
$this->overflow = 0;
$this->unsignedInt = $unsignedInt;
}
/**
* Adds two int64 objects
*
* @param ParagonIE_Sodium_Core32_Int64 $addend
* @return ParagonIE_Sodium_Core32_Int64
*/
public function addInt64(ParagonIE_Sodium_Core32_Int64 $addend)
{
$i0 = $this->limbs[0];
$i1 = $this->limbs[1];
$i2 = $this->limbs[2];
$i3 = $this->limbs[3];
$j0 = $addend->limbs[0];
$j1 = $addend->limbs[1];
$j2 = $addend->limbs[2];
$j3 = $addend->limbs[3];
$r3 = $i3 + ($j3 & 0xffff);
$carry = $r3 >> 16;
$r2 = $i2 + ($j2 & 0xffff) + $carry;
$carry = $r2 >> 16;
$r1 = $i1 + ($j1 & 0xffff) + $carry;
$carry = $r1 >> 16;
$r0 = $i0 + ($j0 & 0xffff) + $carry;
$carry = $r0 >> 16;
$r0 &= 0xffff;
$r1 &= 0xffff;
$r2 &= 0xffff;
$r3 &= 0xffff;
$return = new ParagonIE_Sodium_Core32_Int64(
array($r0, $r1, $r2, $r3)
);
$return->overflow = $carry;
$return->unsignedInt = $this->unsignedInt;
return $return;
}
/**
* Adds a normal integer to an int64 object
*
* @param int $int
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
*/
public function addInt($int)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1);
/** @var int $int */
$int = (int) $int;
$i0 = $this->limbs[0];
$i1 = $this->limbs[1];
$i2 = $this->limbs[2];
$i3 = $this->limbs[3];
$r3 = $i3 + ($int & 0xffff);
$carry = $r3 >> 16;
$r2 = $i2 + (($int >> 16) & 0xffff) + $carry;
$carry = $r2 >> 16;
$r1 = $i1 + $carry;
$carry = $r1 >> 16;
$r0 = $i0 + $carry;
$carry = $r0 >> 16;
$r0 &= 0xffff;
$r1 &= 0xffff;
$r2 &= 0xffff;
$r3 &= 0xffff;
$return = new ParagonIE_Sodium_Core32_Int64(
array($r0, $r1, $r2, $r3)
);
$return->overflow = $carry;
$return->unsignedInt = $this->unsignedInt;
return $return;
}
/**
* @param int $b
* @return int
*/
public function compareInt($b = 0)
{
$gt = 0;
$eq = 1;
$i = 4;
$j = 0;
while ($i > 0) {
--$i;
/** @var int $x1 */
$x1 = $this->limbs[$i];
/** @var int $x2 */
$x2 = ($b >> ($j << 4)) & 0xffff;
/** int */
$gt |= (($x2 - $x1) >> 8) & $eq;
/** int */
$eq &= (($x2 ^ $x1) - 1) >> 8;
}
return ($gt + $gt - $eq) + 1;
}
/**
* @param int $b
* @return bool
*/
public function isGreaterThan($b = 0)
{
return $this->compareInt($b) > 0;
}
/**
* @param int $b
* @return bool
*/
public function isLessThanInt($b = 0)
{
return $this->compareInt($b) < 0;
}
/**
* @param int $hi
* @param int $lo
* @return ParagonIE_Sodium_Core32_Int64
*/
public function mask64($hi = 0, $lo = 0)
{
/** @var int $a */
$a = ($hi >> 16) & 0xffff;
/** @var int $b */
$b = ($hi) & 0xffff;
/** @var int $c */
$c = ($lo >> 16) & 0xffff;
/** @var int $d */
$d = ($lo & 0xffff);
return new ParagonIE_Sodium_Core32_Int64(
array(
$this->limbs[0] & $a,
$this->limbs[1] & $b,
$this->limbs[2] & $c,
$this->limbs[3] & $d
),
$this->unsignedInt
);
}
/**
* @param int $int
* @param int $size
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedAssignment
*/
public function mulInt($int = 0, $size = 0)
{
if (ParagonIE_Sodium_Compat::$fastMult) {
return $this->mulIntFast($int);
}
ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1);
ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2);
/** @var int $int */
$int = (int) $int;
/** @var int $size */
$size = (int) $size;
if (!$size) {
$size = 63;
}
$a = clone $this;
$return = new ParagonIE_Sodium_Core32_Int64();
$return->unsignedInt = $this->unsignedInt;
// Initialize:
$ret0 = 0;
$ret1 = 0;
$ret2 = 0;
$ret3 = 0;
$a0 = $a->limbs[0];
$a1 = $a->limbs[1];
$a2 = $a->limbs[2];
$a3 = $a->limbs[3];
/** @var int $size */
/** @var int $i */
for ($i = $size; $i >= 0; --$i) {
$mask = -($int & 1);
$x0 = $a0 & $mask;
$x1 = $a1 & $mask;
$x2 = $a2 & $mask;
$x3 = $a3 & $mask;
$ret3 += $x3;
$c = $ret3 >> 16;
$ret2 += $x2 + $c;
$c = $ret2 >> 16;
$ret1 += $x1 + $c;
$c = $ret1 >> 16;
$ret0 += $x0 + $c;
$ret0 &= 0xffff;
$ret1 &= 0xffff;
$ret2 &= 0xffff;
$ret3 &= 0xffff;
$a3 = $a3 << 1;
$x3 = $a3 >> 16;
$a2 = ($a2 << 1) | $x3;
$x2 = $a2 >> 16;
$a1 = ($a1 << 1) | $x2;
$x1 = $a1 >> 16;
$a0 = ($a0 << 1) | $x1;
$a0 &= 0xffff;
$a1 &= 0xffff;
$a2 &= 0xffff;
$a3 &= 0xffff;
$int >>= 1;
}
$return->limbs[0] = $ret0;
$return->limbs[1] = $ret1;
$return->limbs[2] = $ret2;
$return->limbs[3] = $ret3;
return $return;
}
/**
* @param ParagonIE_Sodium_Core32_Int64 $A
* @param ParagonIE_Sodium_Core32_Int64 $B
* @return array
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedInferredReturnType
*/
public static function ctSelect(
ParagonIE_Sodium_Core32_Int64 $A,
ParagonIE_Sodium_Core32_Int64 $B
) {
$a = clone $A;
$b = clone $B;
/** @var int $aNeg */
$aNeg = ($a->limbs[0] >> 15) & 1;
/** @var int $bNeg */
$bNeg = ($b->limbs[0] >> 15) & 1;
/** @var int $m */
$m = (-($aNeg & $bNeg)) | 1;
/** @var int $swap */
$swap = $bNeg & ~$aNeg;
/** @var int $d */
$d = -$swap;
/*
if ($bNeg && !$aNeg) {
$a = clone $int;
$b = clone $this;
} elseif($bNeg && $aNeg) {
$a = $this->mulInt(-1);
$b = $int->mulInt(-1);
}
*/
$x = $a->xorInt64($b)->mask64($d, $d);
return array(
$a->xorInt64($x)->mulInt($m),
$b->xorInt64($x)->mulInt($m)
);
}
/**
* @param array $a
* @param array $b
* @param int $baseLog2
* @return array
*/
public function multiplyLong(array $a, array $b, $baseLog2 = 16)
{
$a_l = count($a);
$b_l = count($b);
/** @var array $r */
$r = array_fill(0, $a_l + $b_l + 1, 0);
$base = 1 << $baseLog2;
for ($i = 0; $i < $a_l; ++$i) {
$a_i = $a[$i];
for ($j = 0; $j < $a_l; ++$j) {
$b_j = $b[$j];
$product = ($a_i * $b_j) + $r[$i + $j];
$carry = ($product >> $baseLog2 & 0xffff);
$r[$i + $j] = ($product - (int) ($carry * $base)) & 0xffff;
$r[$i + $j + 1] += $carry;
}
}
return array_slice($r, 0, 5);
}
/**
* @param int $int
* @return ParagonIE_Sodium_Core32_Int64
*/
public function mulIntFast($int)
{
// Handle negative numbers
$aNeg = ($this->limbs[0] >> 15) & 1;
$bNeg = ($int >> 31) & 1;
$a = array_reverse($this->limbs);
$b = array(
$int & 0xffff,
($int >> 16) & 0xffff,
-$bNeg & 0xffff,
-$bNeg & 0xffff
);
if ($aNeg) {
for ($i = 0; $i < 4; ++$i) {
$a[$i] = ($a[$i] ^ 0xffff) & 0xffff;
}
++$a[0];
}
if ($bNeg) {
for ($i = 0; $i < 4; ++$i) {
$b[$i] = ($b[$i] ^ 0xffff) & 0xffff;
}
++$b[0];
}
// Multiply
$res = $this->multiplyLong($a, $b);
// Re-apply negation to results
if ($aNeg !== $bNeg) {
for ($i = 0; $i < 4; ++$i) {
$res[$i] = (0xffff ^ $res[$i]) & 0xffff;
}
// Handle integer overflow
$c = 1;
for ($i = 0; $i < 4; ++$i) {
$res[$i] += $c;
$c = $res[$i] >> 16;
$res[$i] &= 0xffff;
}
}
// Return our values
$return = new ParagonIE_Sodium_Core32_Int64();
$return->limbs = array(
$res[3] & 0xffff,
$res[2] & 0xffff,
$res[1] & 0xffff,
$res[0] & 0xffff
);
if (count($res) > 4) {
$return->overflow = $res[4] & 0xffff;
}
$return->unsignedInt = $this->unsignedInt;
return $return;
}
/**
* @param ParagonIE_Sodium_Core32_Int64 $right
* @return ParagonIE_Sodium_Core32_Int64
*/
public function mulInt64Fast(ParagonIE_Sodium_Core32_Int64 $right)
{
$aNeg = ($this->limbs[0] >> 15) & 1;
$bNeg = ($right->limbs[0] >> 15) & 1;
$a = array_reverse($this->limbs);
$b = array_reverse($right->limbs);
if ($aNeg) {
for ($i = 0; $i < 4; ++$i) {
$a[$i] = ($a[$i] ^ 0xffff) & 0xffff;
}
++$a[0];
}
if ($bNeg) {
for ($i = 0; $i < 4; ++$i) {
$b[$i] = ($b[$i] ^ 0xffff) & 0xffff;
}
++$b[0];
}
$res = $this->multiplyLong($a, $b);
if ($aNeg !== $bNeg) {
if ($aNeg !== $bNeg) {
for ($i = 0; $i < 4; ++$i) {
$res[$i] = ($res[$i] ^ 0xffff) & 0xffff;
}
$c = 1;
for ($i = 0; $i < 4; ++$i) {
$res[$i] += $c;
$c = $res[$i] >> 16;
$res[$i] &= 0xffff;
}
}
}
$return = new ParagonIE_Sodium_Core32_Int64();
$return->limbs = array(
$res[3] & 0xffff,
$res[2] & 0xffff,
$res[1] & 0xffff,
$res[0] & 0xffff
);
if (count($res) > 4) {
$return->overflow = $res[4];
}
return $return;
}
/**
* @param ParagonIE_Sodium_Core32_Int64 $int
* @param int $size
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedAssignment
*/
public function mulInt64(ParagonIE_Sodium_Core32_Int64 $int, $size = 0)
{
if (ParagonIE_Sodium_Compat::$fastMult) {
return $this->mulInt64Fast($int);
}
ParagonIE_Sodium_Core32_Util::declareScalarType($size, 'int', 2);
if (!$size) {
$size = 63;
}
list($a, $b) = self::ctSelect($this, $int);
$return = new ParagonIE_Sodium_Core32_Int64();
$return->unsignedInt = $this->unsignedInt;
// Initialize:
$ret0 = 0;
$ret1 = 0;
$ret2 = 0;
$ret3 = 0;
$a0 = $a->limbs[0];
$a1 = $a->limbs[1];
$a2 = $a->limbs[2];
$a3 = $a->limbs[3];
$b0 = $b->limbs[0];
$b1 = $b->limbs[1];
$b2 = $b->limbs[2];
$b3 = $b->limbs[3];
/** @var int $size */
/** @var int $i */
for ($i = (int) $size; $i >= 0; --$i) {
$mask = -($b3 & 1);
$x0 = $a0 & $mask;
$x1 = $a1 & $mask;
$x2 = $a2 & $mask;
$x3 = $a3 & $mask;
$ret3 += $x3;
$c = $ret3 >> 16;
$ret2 += $x2 + $c;
$c = $ret2 >> 16;
$ret1 += $x1 + $c;
$c = $ret1 >> 16;
$ret0 += $x0 + $c;
$ret0 &= 0xffff;
$ret1 &= 0xffff;
$ret2 &= 0xffff;
$ret3 &= 0xffff;
$a3 = $a3 << 1;
$x3 = $a3 >> 16;
$a2 = ($a2 << 1) | $x3;
$x2 = $a2 >> 16;
$a1 = ($a1 << 1) | $x2;
$x1 = $a1 >> 16;
$a0 = ($a0 << 1) | $x1;
$a0 &= 0xffff;
$a1 &= 0xffff;
$a2 &= 0xffff;
$a3 &= 0xffff;
$x0 = ($b0 & 1) << 16;
$x1 = ($b1 & 1) << 16;
$x2 = ($b2 & 1) << 16;
$b0 = ($b0 >> 1);
$b1 = (($b1 | $x0) >> 1);
$b2 = (($b2 | $x1) >> 1);
$b3 = (($b3 | $x2) >> 1);
$b0 &= 0xffff;
$b1 &= 0xffff;
$b2 &= 0xffff;
$b3 &= 0xffff;
}
$return->limbs[0] = $ret0;
$return->limbs[1] = $ret1;
$return->limbs[2] = $ret2;
$return->limbs[3] = $ret3;
return $return;
}
/**
* OR this 64-bit integer with another.
*
* @param ParagonIE_Sodium_Core32_Int64 $b
* @return ParagonIE_Sodium_Core32_Int64
*/
public function orInt64(ParagonIE_Sodium_Core32_Int64 $b)
{
$return = new ParagonIE_Sodium_Core32_Int64();
$return->unsignedInt = $this->unsignedInt;
$return->limbs = array(
(int) ($this->limbs[0] | $b->limbs[0]),
(int) ($this->limbs[1] | $b->limbs[1]),
(int) ($this->limbs[2] | $b->limbs[2]),
(int) ($this->limbs[3] | $b->limbs[3])
);
return $return;
}
/**
* @param int $c
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArrayAccess
*/
public function rotateLeft($c = 0)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
/** @var int $c */
$c = (int) $c;
$return = new ParagonIE_Sodium_Core32_Int64();
$return->unsignedInt = $this->unsignedInt;
$c &= 63;
if ($c === 0) {
// NOP, but we want a copy.
$return->limbs = $this->limbs;
} else {
/** @var array $limbs */
$limbs =& $return->limbs;
/** @var array $myLimbs */
$myLimbs =& $this->limbs;
/** @var int $idx_shift */
$idx_shift = ($c >> 4) & 3;
/** @var int $sub_shift */
$sub_shift = $c & 15;
for ($i = 3; $i >= 0; --$i) {
/** @var int $j */
$j = ($i + $idx_shift) & 3;
/** @var int $k */
$k = ($i + $idx_shift + 1) & 3;
$limbs[$i] = (int) (
(
((int) ($myLimbs[$j]) << $sub_shift)
|
((int) ($myLimbs[$k]) >> (16 - $sub_shift))
) & 0xffff
);
}
}
return $return;
}
/**
* Rotate to the right
*
* @param int $c
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArrayAccess
*/
public function rotateRight($c = 0)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
/** @var int $c */
$c = (int) $c;
/** @var ParagonIE_Sodium_Core32_Int64 $return */
$return = new ParagonIE_Sodium_Core32_Int64();
$return->unsignedInt = $this->unsignedInt;
$c &= 63;
/** @var int $c */
if ($c === 0) {
// NOP, but we want a copy.
$return->limbs = $this->limbs;
} else {
/** @var array $limbs */
$limbs =& $return->limbs;
/** @var array $myLimbs */
$myLimbs =& $this->limbs;
/** @var int $idx_shift */
$idx_shift = ($c >> 4) & 3;
/** @var int $sub_shift */
$sub_shift = $c & 15;
for ($i = 3; $i >= 0; --$i) {
/** @var int $j */
$j = ($i - $idx_shift) & 3;
/** @var int $k */
$k = ($i - $idx_shift - 1) & 3;
$limbs[$i] = (int) (
(
((int) ($myLimbs[$j]) >> (int) ($sub_shift))
|
((int) ($myLimbs[$k]) << (16 - (int) ($sub_shift)))
) & 0xffff
);
}
}
return $return;
}
/**
* @param int $c
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
*/
public function shiftLeft($c = 0)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
/** @var int $c */
$c = (int) $c;
$return = new ParagonIE_Sodium_Core32_Int64();
$return->unsignedInt = $this->unsignedInt;
$c &= 63;
if ($c >= 16) {
if ($c >= 48) {
$return->limbs = array(
$this->limbs[3], 0, 0, 0
);
} elseif ($c >= 32) {
$return->limbs = array(
$this->limbs[2], $this->limbs[3], 0, 0
);
} else {
$return->limbs = array(
$this->limbs[1], $this->limbs[2], $this->limbs[3], 0
);
}
return $return->shiftLeft($c & 15);
}
if ($c === 0) {
$return->limbs = $this->limbs;
} elseif ($c < 0) {
/** @var int $c */
return $this->shiftRight(-$c);
} else {
if (!is_int($c)) {
throw new TypeError();
}
/** @var int $carry */
$carry = 0;
for ($i = 3; $i >= 0; --$i) {
/** @var int $tmp */
$tmp = ($this->limbs[$i] << $c) | ($carry & 0xffff);
$return->limbs[$i] = (int) ($tmp & 0xffff);
/** @var int $carry */
$carry = $tmp >> 16;
}
}
return $return;
}
/**
* @param int $c
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
*/
public function shiftRight($c = 0)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($c, 'int', 1);
$c = (int) $c;
/** @var int $c */
$return = new ParagonIE_Sodium_Core32_Int64();
$return->unsignedInt = $this->unsignedInt;
$c &= 63;
$negative = -(($this->limbs[0] >> 15) & 1);
if ($c >= 16) {
if ($c >= 48) {
$return->limbs = array(
(int) ($negative & 0xffff),
(int) ($negative & 0xffff),
(int) ($negative & 0xffff),
(int) $this->limbs[0]
);
} elseif ($c >= 32) {
$return->limbs = array(
(int) ($negative & 0xffff),
(int) ($negative & 0xffff),
(int) $this->limbs[0],
(int) $this->limbs[1]
);
} else {
$return->limbs = array(
(int) ($negative & 0xffff),
(int) $this->limbs[0],
(int) $this->limbs[1],
(int) $this->limbs[2]
);
}
return $return->shiftRight($c & 15);
}
if ($c === 0) {
$return->limbs = $this->limbs;
} elseif ($c < 0) {
return $this->shiftLeft(-$c);
} else {
if (!is_int($c)) {
throw new TypeError();
}
/** @var int $carryRight */
$carryRight = ($negative & 0xffff);
$mask = (int) (((1 << ($c + 1)) - 1) & 0xffff);
for ($i = 0; $i < 4; ++$i) {
$return->limbs[$i] = (int) (
(($this->limbs[$i] >> $c) | ($carryRight << (16 - $c))) & 0xffff
);
$carryRight = (int) ($this->limbs[$i] & $mask);
}
}
return $return;
}
/**
* Subtract a normal integer from an int64 object.
*
* @param int $int
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
*/
public function subInt($int)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($int, 'int', 1);
$int = (int) $int;
$return = new ParagonIE_Sodium_Core32_Int64();
$return->unsignedInt = $this->unsignedInt;
/** @var int $carry */
$carry = 0;
for ($i = 3; $i >= 0; --$i) {
/** @var int $tmp */
$tmp = $this->limbs[$i] - (($int >> 16) & 0xffff) + $carry;
/** @var int $carry */
$carry = $tmp >> 16;
$return->limbs[$i] = (int) ($tmp & 0xffff);
}
return $return;
}
/**
* The difference between two Int64 objects.
*
* @param ParagonIE_Sodium_Core32_Int64 $b
* @return ParagonIE_Sodium_Core32_Int64
*/
public function subInt64(ParagonIE_Sodium_Core32_Int64 $b)
{
$return = new ParagonIE_Sodium_Core32_Int64();
$return->unsignedInt = $this->unsignedInt;
/** @var int $carry */
$carry = 0;
for ($i = 3; $i >= 0; --$i) {
/** @var int $tmp */
$tmp = $this->limbs[$i] - $b->limbs[$i] + $carry;
/** @var int $carry */
$carry = ($tmp >> 16);
$return->limbs[$i] = (int) ($tmp & 0xffff);
}
return $return;
}
/**
* XOR this 64-bit integer with another.
*
* @param ParagonIE_Sodium_Core32_Int64 $b
* @return ParagonIE_Sodium_Core32_Int64
*/
public function xorInt64(ParagonIE_Sodium_Core32_Int64 $b)
{
$return = new ParagonIE_Sodium_Core32_Int64();
$return->unsignedInt = $this->unsignedInt;
$return->limbs = array(
(int) ($this->limbs[0] ^ $b->limbs[0]),
(int) ($this->limbs[1] ^ $b->limbs[1]),
(int) ($this->limbs[2] ^ $b->limbs[2]),
(int) ($this->limbs[3] ^ $b->limbs[3])
);
return $return;
}
/**
* @param int $low
* @param int $high
* @return self
* @throws SodiumException
* @throws TypeError
*/
public static function fromInts($low, $high)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($low, 'int', 1);
ParagonIE_Sodium_Core32_Util::declareScalarType($high, 'int', 2);
$high = (int) $high;
$low = (int) $low;
return new ParagonIE_Sodium_Core32_Int64(
array(
(int) (($high >> 16) & 0xffff),
(int) ($high & 0xffff),
(int) (($low >> 16) & 0xffff),
(int) ($low & 0xffff)
)
);
}
/**
* @param int $low
* @return self
* @throws SodiumException
* @throws TypeError
*/
public static function fromInt($low)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($low, 'int', 1);
$low = (int) $low;
return new ParagonIE_Sodium_Core32_Int64(
array(
0,
0,
(int) (($low >> 16) & 0xffff),
(int) ($low & 0xffff)
)
);
}
/**
* @return int
*/
public function toInt()
{
return (int) (
(($this->limbs[2] & 0xffff) << 16)
|
($this->limbs[3] & 0xffff)
);
}
/**
* @param string $string
* @return self
* @throws SodiumException
* @throws TypeError
*/
public static function fromString($string)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1);
$string = (string) $string;
if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 8) {
throw new RangeException(
'String must be 8 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.'
);
}
$return = new ParagonIE_Sodium_Core32_Int64();
$return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff) << 8);
$return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff);
$return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff) << 8);
$return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff);
$return->limbs[2] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[4]) & 0xff) << 8);
$return->limbs[2] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[5]) & 0xff);
$return->limbs[3] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[6]) & 0xff) << 8);
$return->limbs[3] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[7]) & 0xff);
return $return;
}
/**
* @param string $string
* @return self
* @throws SodiumException
* @throws TypeError
*/
public static function fromReverseString($string)
{
ParagonIE_Sodium_Core32_Util::declareScalarType($string, 'string', 1);
$string = (string) $string;
if (ParagonIE_Sodium_Core32_Util::strlen($string) !== 8) {
throw new RangeException(
'String must be 8 bytes; ' . ParagonIE_Sodium_Core32_Util::strlen($string) . ' given.'
);
}
$return = new ParagonIE_Sodium_Core32_Int64();
$return->limbs[0] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[7]) & 0xff) << 8);
$return->limbs[0] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[6]) & 0xff);
$return->limbs[1] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[5]) & 0xff) << 8);
$return->limbs[1] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[4]) & 0xff);
$return->limbs[2] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[3]) & 0xff) << 8);
$return->limbs[2] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[2]) & 0xff);
$return->limbs[3] = (int) ((ParagonIE_Sodium_Core32_Util::chrToInt($string[1]) & 0xff) << 8);
$return->limbs[3] |= (ParagonIE_Sodium_Core32_Util::chrToInt($string[0]) & 0xff);
return $return;
}
/**
* @return array
*/
public function toArray()
{
return array(
(int) ((($this->limbs[0] & 0xffff) << 16) | ($this->limbs[1] & 0xffff)),
(int) ((($this->limbs[2] & 0xffff) << 16) | ($this->limbs[3] & 0xffff))
);
}
/**
* @return ParagonIE_Sodium_Core32_Int32
*/
public function toInt32()
{
$return = new ParagonIE_Sodium_Core32_Int32();
$return->limbs[0] = (int) ($this->limbs[2]);
$return->limbs[1] = (int) ($this->limbs[3]);
$return->unsignedInt = $this->unsignedInt;
$return->overflow = (int) (ParagonIE_Sodium_Core32_Util::abs($this->limbs[1], 16) & 0xffff);
return $return;
}
/**
* @return ParagonIE_Sodium_Core32_Int64
*/
public function toInt64()
{
$return = new ParagonIE_Sodium_Core32_Int64();
$return->limbs[0] = (int) ($this->limbs[0]);
$return->limbs[1] = (int) ($this->limbs[1]);
$return->limbs[2] = (int) ($this->limbs[2]);
$return->limbs[3] = (int) ($this->limbs[3]);
$return->unsignedInt = $this->unsignedInt;
$return->overflow = ParagonIE_Sodium_Core32_Util::abs($this->overflow);
return $return;
}
/**
* @param bool $bool
* @return self
*/
public function setUnsignedInt($bool = false)
{
$this->unsignedInt = !empty($bool);
return $this;
}
/**
* @return string
* @throws TypeError
*/
public function toString()
{
return ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[2] >> 8) & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[2] & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[3] >> 8) & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[3] & 0xff);
}
/**
* @return string
* @throws TypeError
*/
public function toReverseString()
{
return ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[3] & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[3] >> 8) & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[2] & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[2] >> 8) & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[1] & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[1] >> 8) & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr($this->limbs[0] & 0xff) .
ParagonIE_Sodium_Core32_Util::intToChr(($this->limbs[0] >> 8) & 0xff);
}
/**
* @return string
*/
public function __toString()
{
try {
return $this->toString();
} catch (TypeError $ex) {
// PHP engine can't handle exceptions from __toString()
return '';
}
}
}
src/Core32/Poly1305/State.php 0000644 00000037154 15120157171 0011427 0 ustar 00
*/
protected $buffer = array();
/**
* @var bool
*/
protected $final = false;
/**
* @var array
*/
public $h;
/**
* @var int
*/
protected $leftover = 0;
/**
* @var array
*/
public $r;
/**
* @var array
*/
public $pad;
/**
* ParagonIE_Sodium_Core32_Poly1305_State constructor.
*
* @internal You should not use this directly from another application
*
* @param string $key
* @throws InvalidArgumentException
* @throws SodiumException
* @throws TypeError
*/
public function __construct($key = '')
{
if (self::strlen($key) < 32) {
throw new InvalidArgumentException(
'Poly1305 requires a 32-byte key'
);
}
/* r &= 0xffffffc0ffffffc0ffffffc0fffffff */
$this->r = array(
// st->r[0] = ...
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 0, 4))
->setUnsignedInt(true)
->mask(0x3ffffff),
// st->r[1] = ...
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 3, 4))
->setUnsignedInt(true)
->shiftRight(2)
->mask(0x3ffff03),
// st->r[2] = ...
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 6, 4))
->setUnsignedInt(true)
->shiftRight(4)
->mask(0x3ffc0ff),
// st->r[3] = ...
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 9, 4))
->setUnsignedInt(true)
->shiftRight(6)
->mask(0x3f03fff),
// st->r[4] = ...
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 12, 4))
->setUnsignedInt(true)
->shiftRight(8)
->mask(0x00fffff)
);
/* h = 0 */
$this->h = array(
new ParagonIE_Sodium_Core32_Int32(array(0, 0), true),
new ParagonIE_Sodium_Core32_Int32(array(0, 0), true),
new ParagonIE_Sodium_Core32_Int32(array(0, 0), true),
new ParagonIE_Sodium_Core32_Int32(array(0, 0), true),
new ParagonIE_Sodium_Core32_Int32(array(0, 0), true)
);
/* save pad for later */
$this->pad = array(
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 16, 4))
->setUnsignedInt(true)->toInt64(),
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 20, 4))
->setUnsignedInt(true)->toInt64(),
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 24, 4))
->setUnsignedInt(true)->toInt64(),
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($key, 28, 4))
->setUnsignedInt(true)->toInt64(),
);
$this->leftover = 0;
$this->final = false;
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @return self
* @throws SodiumException
* @throws TypeError
*/
public function update($message = '')
{
$bytes = self::strlen($message);
/* handle leftover */
if ($this->leftover) {
/** @var int $want */
$want = ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - $this->leftover;
if ($want > $bytes) {
$want = $bytes;
}
for ($i = 0; $i < $want; ++$i) {
$mi = self::chrToInt($message[$i]);
$this->buffer[$this->leftover + $i] = $mi;
}
// We snip off the leftmost bytes.
$message = self::substr($message, $want);
$bytes = self::strlen($message);
$this->leftover += $want;
if ($this->leftover < ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
// We still don't have enough to run $this->blocks()
return $this;
}
$this->blocks(
self::intArrayToString($this->buffer),
ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE
);
$this->leftover = 0;
}
/* process full blocks */
if ($bytes >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
/** @var int $want */
$want = $bytes & ~(ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE - 1);
if ($want >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
/** @var string $block */
$block = self::substr($message, 0, $want);
if (self::strlen($block) >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
$this->blocks($block, $want);
$message = self::substr($message, $want);
$bytes = self::strlen($message);
}
}
}
/* store leftover */
if ($bytes) {
for ($i = 0; $i < $bytes; ++$i) {
$mi = self::chrToInt($message[$i]);
$this->buffer[$this->leftover + $i] = $mi;
}
$this->leftover = (int) $this->leftover + $bytes;
}
return $this;
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @param int $bytes
* @return self
* @throws SodiumException
* @throws TypeError
*/
public function blocks($message, $bytes)
{
if (self::strlen($message) < 16) {
$message = str_pad($message, 16, "\x00", STR_PAD_RIGHT);
}
$hibit = ParagonIE_Sodium_Core32_Int32::fromInt((int) ($this->final ? 0 : 1 << 24)); /* 1 << 128 */
$hibit->setUnsignedInt(true);
$zero = new ParagonIE_Sodium_Core32_Int64(array(0, 0, 0, 0), true);
/**
* @var ParagonIE_Sodium_Core32_Int64 $d0
* @var ParagonIE_Sodium_Core32_Int64 $d1
* @var ParagonIE_Sodium_Core32_Int64 $d2
* @var ParagonIE_Sodium_Core32_Int64 $d3
* @var ParagonIE_Sodium_Core32_Int64 $d4
* @var ParagonIE_Sodium_Core32_Int64 $r0
* @var ParagonIE_Sodium_Core32_Int64 $r1
* @var ParagonIE_Sodium_Core32_Int64 $r2
* @var ParagonIE_Sodium_Core32_Int64 $r3
* @var ParagonIE_Sodium_Core32_Int64 $r4
*
* @var ParagonIE_Sodium_Core32_Int32 $h0
* @var ParagonIE_Sodium_Core32_Int32 $h1
* @var ParagonIE_Sodium_Core32_Int32 $h2
* @var ParagonIE_Sodium_Core32_Int32 $h3
* @var ParagonIE_Sodium_Core32_Int32 $h4
*/
$r0 = $this->r[0]->toInt64();
$r1 = $this->r[1]->toInt64();
$r2 = $this->r[2]->toInt64();
$r3 = $this->r[3]->toInt64();
$r4 = $this->r[4]->toInt64();
$s1 = $r1->toInt64()->mulInt(5, 3);
$s2 = $r2->toInt64()->mulInt(5, 3);
$s3 = $r3->toInt64()->mulInt(5, 3);
$s4 = $r4->toInt64()->mulInt(5, 3);
$h0 = $this->h[0];
$h1 = $this->h[1];
$h2 = $this->h[2];
$h3 = $this->h[3];
$h4 = $this->h[4];
while ($bytes >= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE) {
/* h += m[i] */
$h0 = $h0->addInt32(
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 0, 4))
->mask(0x3ffffff)
)->toInt64();
$h1 = $h1->addInt32(
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 3, 4))
->shiftRight(2)
->mask(0x3ffffff)
)->toInt64();
$h2 = $h2->addInt32(
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 6, 4))
->shiftRight(4)
->mask(0x3ffffff)
)->toInt64();
$h3 = $h3->addInt32(
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 9, 4))
->shiftRight(6)
->mask(0x3ffffff)
)->toInt64();
$h4 = $h4->addInt32(
ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 12, 4))
->shiftRight(8)
->orInt32($hibit)
)->toInt64();
/* h *= r */
$d0 = $zero
->addInt64($h0->mulInt64($r0, 25))
->addInt64($s4->mulInt64($h1, 26))
->addInt64($s3->mulInt64($h2, 26))
->addInt64($s2->mulInt64($h3, 26))
->addInt64($s1->mulInt64($h4, 26));
$d1 = $zero
->addInt64($h0->mulInt64($r1, 25))
->addInt64($h1->mulInt64($r0, 25))
->addInt64($s4->mulInt64($h2, 26))
->addInt64($s3->mulInt64($h3, 26))
->addInt64($s2->mulInt64($h4, 26));
$d2 = $zero
->addInt64($h0->mulInt64($r2, 25))
->addInt64($h1->mulInt64($r1, 25))
->addInt64($h2->mulInt64($r0, 25))
->addInt64($s4->mulInt64($h3, 26))
->addInt64($s3->mulInt64($h4, 26));
$d3 = $zero
->addInt64($h0->mulInt64($r3, 25))
->addInt64($h1->mulInt64($r2, 25))
->addInt64($h2->mulInt64($r1, 25))
->addInt64($h3->mulInt64($r0, 25))
->addInt64($s4->mulInt64($h4, 26));
$d4 = $zero
->addInt64($h0->mulInt64($r4, 25))
->addInt64($h1->mulInt64($r3, 25))
->addInt64($h2->mulInt64($r2, 25))
->addInt64($h3->mulInt64($r1, 25))
->addInt64($h4->mulInt64($r0, 25));
/* (partial) h %= p */
$c = $d0->shiftRight(26);
$h0 = $d0->toInt32()->mask(0x3ffffff);
$d1 = $d1->addInt64($c);
$c = $d1->shiftRight(26);
$h1 = $d1->toInt32()->mask(0x3ffffff);
$d2 = $d2->addInt64($c);
$c = $d2->shiftRight(26);
$h2 = $d2->toInt32()->mask(0x3ffffff);
$d3 = $d3->addInt64($c);
$c = $d3->shiftRight(26);
$h3 = $d3->toInt32()->mask(0x3ffffff);
$d4 = $d4->addInt64($c);
$c = $d4->shiftRight(26);
$h4 = $d4->toInt32()->mask(0x3ffffff);
$h0 = $h0->addInt32($c->toInt32()->mulInt(5, 3));
$c = $h0->shiftRight(26);
$h0 = $h0->mask(0x3ffffff);
$h1 = $h1->addInt32($c);
// Chop off the left 32 bytes.
$message = self::substr(
$message,
ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE
);
$bytes -= ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE;
}
/** @var array $h */
$this->h = array($h0, $h1, $h2, $h3, $h4);
return $this;
}
/**
* @internal You should not use this directly from another application
*
* @return string
* @throws SodiumException
* @throws TypeError
*/
public function finish()
{
/* process the remaining block */
if ($this->leftover) {
$i = $this->leftover;
$this->buffer[$i++] = 1;
for (; $i < ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE; ++$i) {
$this->buffer[$i] = 0;
}
$this->final = true;
$this->blocks(
self::substr(
self::intArrayToString($this->buffer),
0,
ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE
),
$b = ParagonIE_Sodium_Core32_Poly1305::BLOCK_SIZE
);
}
/**
* @var ParagonIE_Sodium_Core32_Int32 $f
* @var ParagonIE_Sodium_Core32_Int32 $g0
* @var ParagonIE_Sodium_Core32_Int32 $g1
* @var ParagonIE_Sodium_Core32_Int32 $g2
* @var ParagonIE_Sodium_Core32_Int32 $g3
* @var ParagonIE_Sodium_Core32_Int32 $g4
* @var ParagonIE_Sodium_Core32_Int32 $h0
* @var ParagonIE_Sodium_Core32_Int32 $h1
* @var ParagonIE_Sodium_Core32_Int32 $h2
* @var ParagonIE_Sodium_Core32_Int32 $h3
* @var ParagonIE_Sodium_Core32_Int32 $h4
*/
$h0 = $this->h[0];
$h1 = $this->h[1];
$h2 = $this->h[2];
$h3 = $this->h[3];
$h4 = $this->h[4];
$c = $h1->shiftRight(26); # $c = $h1 >> 26;
$h1 = $h1->mask(0x3ffffff); # $h1 &= 0x3ffffff;
$h2 = $h2->addInt32($c); # $h2 += $c;
$c = $h2->shiftRight(26); # $c = $h2 >> 26;
$h2 = $h2->mask(0x3ffffff); # $h2 &= 0x3ffffff;
$h3 = $h3->addInt32($c); # $h3 += $c;
$c = $h3->shiftRight(26); # $c = $h3 >> 26;
$h3 = $h3->mask(0x3ffffff); # $h3 &= 0x3ffffff;
$h4 = $h4->addInt32($c); # $h4 += $c;
$c = $h4->shiftRight(26); # $c = $h4 >> 26;
$h4 = $h4->mask(0x3ffffff); # $h4 &= 0x3ffffff;
$h0 = $h0->addInt32($c->mulInt(5, 3)); # $h0 += self::mul($c, 5);
$c = $h0->shiftRight(26); # $c = $h0 >> 26;
$h0 = $h0->mask(0x3ffffff); # $h0 &= 0x3ffffff;
$h1 = $h1->addInt32($c); # $h1 += $c;
/* compute h + -p */
$g0 = $h0->addInt(5);
$c = $g0->shiftRight(26);
$g0 = $g0->mask(0x3ffffff);
$g1 = $h1->addInt32($c);
$c = $g1->shiftRight(26);
$g1 = $g1->mask(0x3ffffff);
$g2 = $h2->addInt32($c);
$c = $g2->shiftRight(26);
$g2 = $g2->mask(0x3ffffff);
$g3 = $h3->addInt32($c);
$c = $g3->shiftRight(26);
$g3 = $g3->mask(0x3ffffff);
$g4 = $h4->addInt32($c)->subInt(1 << 26);
# $mask = ($g4 >> 31) - 1;
/* select h if h < p, or h + -p if h >= p */
$mask = (int) (($g4->toInt() >> 31) + 1);
$g0 = $g0->mask($mask);
$g1 = $g1->mask($mask);
$g2 = $g2->mask($mask);
$g3 = $g3->mask($mask);
$g4 = $g4->mask($mask);
/** @var int $mask */
$mask = (~$mask) & 0xffffffff;
$h0 = $h0->mask($mask)->orInt32($g0);
$h1 = $h1->mask($mask)->orInt32($g1);
$h2 = $h2->mask($mask)->orInt32($g2);
$h3 = $h3->mask($mask)->orInt32($g3);
$h4 = $h4->mask($mask)->orInt32($g4);
/* h = h % (2^128) */
$h0 = $h0->orInt32($h1->shiftLeft(26));
$h1 = $h1->shiftRight(6)->orInt32($h2->shiftLeft(20));
$h2 = $h2->shiftRight(12)->orInt32($h3->shiftLeft(14));
$h3 = $h3->shiftRight(18)->orInt32($h4->shiftLeft(8));
/* mac = (h + pad) % (2^128) */
$f = $h0->toInt64()->addInt64($this->pad[0]);
$h0 = $f->toInt32();
$f = $h1->toInt64()->addInt64($this->pad[1])->addInt($h0->overflow);
$h1 = $f->toInt32();
$f = $h2->toInt64()->addInt64($this->pad[2])->addInt($h1->overflow);
$h2 = $f->toInt32();
$f = $h3->toInt64()->addInt64($this->pad[3])->addInt($h2->overflow);
$h3 = $f->toInt32();
return $h0->toReverseString() .
$h1->toReverseString() .
$h2->toReverseString() .
$h3->toReverseString();
}
}
src/Core32/Poly1305/error_log 0000644 00000003100 15120157171 0011533 0 ustar 00 [27-Oct-2025 14:01:13 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[27-Oct-2025 14:01:14 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[27-Oct-2025 16:25:24 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[27-Oct-2025 16:25:25 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[27-Oct-2025 22:57:46 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[27-Oct-2025 22:57:56 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 10
[12-Dec-2025 19:04:38 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 11
[12-Dec-2025 19:04:53 UTC] PHP Fatal error: Class 'ParagonIE_Sodium_Core32_Util' not found in /home/mybf1/public_html/mentol.bf1.my/wp-includes/sodium_compat/src/Core32/Poly1305/State.php on line 11
src/Core32/Poly1305.php 0000644 00000003062 15120157171 0010336 0 ustar 00 update($m)
->finish();
}
/**
* @internal You should not use this directly from another application
*
* @param string $mac
* @param string $m
* @param string $key
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function onetimeauth_verify($mac, $m, $key)
{
if (self::strlen($key) < 32) {
throw new InvalidArgumentException(
'Key must be 32 bytes long.'
);
}
$state = new ParagonIE_Sodium_Core32_Poly1305_State(
self::substr($key, 0, 32)
);
$calc = $state
->update($m)
->finish();
return self::verify_16($calc, $mac);
}
}
src/Core32/Salsa20.php 0000644 00000026362 15120157171 0010317 0 ustar 00 0; $i -= 2) {
$x4 = $x4->xorInt32($x0->addInt32($x12)->rotateLeft(7));
$x8 = $x8->xorInt32($x4->addInt32($x0)->rotateLeft(9));
$x12 = $x12->xorInt32($x8->addInt32($x4)->rotateLeft(13));
$x0 = $x0->xorInt32($x12->addInt32($x8)->rotateLeft(18));
$x9 = $x9->xorInt32($x5->addInt32($x1)->rotateLeft(7));
$x13 = $x13->xorInt32($x9->addInt32($x5)->rotateLeft(9));
$x1 = $x1->xorInt32($x13->addInt32($x9)->rotateLeft(13));
$x5 = $x5->xorInt32($x1->addInt32($x13)->rotateLeft(18));
$x14 = $x14->xorInt32($x10->addInt32($x6)->rotateLeft(7));
$x2 = $x2->xorInt32($x14->addInt32($x10)->rotateLeft(9));
$x6 = $x6->xorInt32($x2->addInt32($x14)->rotateLeft(13));
$x10 = $x10->xorInt32($x6->addInt32($x2)->rotateLeft(18));
$x3 = $x3->xorInt32($x15->addInt32($x11)->rotateLeft(7));
$x7 = $x7->xorInt32($x3->addInt32($x15)->rotateLeft(9));
$x11 = $x11->xorInt32($x7->addInt32($x3)->rotateLeft(13));
$x15 = $x15->xorInt32($x11->addInt32($x7)->rotateLeft(18));
$x1 = $x1->xorInt32($x0->addInt32($x3)->rotateLeft(7));
$x2 = $x2->xorInt32($x1->addInt32($x0)->rotateLeft(9));
$x3 = $x3->xorInt32($x2->addInt32($x1)->rotateLeft(13));
$x0 = $x0->xorInt32($x3->addInt32($x2)->rotateLeft(18));
$x6 = $x6->xorInt32($x5->addInt32($x4)->rotateLeft(7));
$x7 = $x7->xorInt32($x6->addInt32($x5)->rotateLeft(9));
$x4 = $x4->xorInt32($x7->addInt32($x6)->rotateLeft(13));
$x5 = $x5->xorInt32($x4->addInt32($x7)->rotateLeft(18));
$x11 = $x11->xorInt32($x10->addInt32($x9)->rotateLeft(7));
$x8 = $x8->xorInt32($x11->addInt32($x10)->rotateLeft(9));
$x9 = $x9->xorInt32($x8->addInt32($x11)->rotateLeft(13));
$x10 = $x10->xorInt32($x9->addInt32($x8)->rotateLeft(18));
$x12 = $x12->xorInt32($x15->addInt32($x14)->rotateLeft(7));
$x13 = $x13->xorInt32($x12->addInt32($x15)->rotateLeft(9));
$x14 = $x14->xorInt32($x13->addInt32($x12)->rotateLeft(13));
$x15 = $x15->xorInt32($x14->addInt32($x13)->rotateLeft(18));
}
$x0 = $x0->addInt32($j0);
$x1 = $x1->addInt32($j1);
$x2 = $x2->addInt32($j2);
$x3 = $x3->addInt32($j3);
$x4 = $x4->addInt32($j4);
$x5 = $x5->addInt32($j5);
$x6 = $x6->addInt32($j6);
$x7 = $x7->addInt32($j7);
$x8 = $x8->addInt32($j8);
$x9 = $x9->addInt32($j9);
$x10 = $x10->addInt32($j10);
$x11 = $x11->addInt32($j11);
$x12 = $x12->addInt32($j12);
$x13 = $x13->addInt32($j13);
$x14 = $x14->addInt32($j14);
$x15 = $x15->addInt32($j15);
return $x0->toReverseString() .
$x1->toReverseString() .
$x2->toReverseString() .
$x3->toReverseString() .
$x4->toReverseString() .
$x5->toReverseString() .
$x6->toReverseString() .
$x7->toReverseString() .
$x8->toReverseString() .
$x9->toReverseString() .
$x10->toReverseString() .
$x11->toReverseString() .
$x12->toReverseString() .
$x13->toReverseString() .
$x14->toReverseString() .
$x15->toReverseString();
}
/**
* @internal You should not use this directly from another application
*
* @param int $len
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function salsa20($len, $nonce, $key)
{
if (self::strlen($key) !== 32) {
throw new RangeException('Key must be 32 bytes long');
}
$kcopy = '' . $key;
$in = self::substr($nonce, 0, 8) . str_repeat("\0", 8);
$c = '';
while ($len >= 64) {
$c .= self::core_salsa20($in, $kcopy, null);
$u = 1;
// Internal counter.
for ($i = 8; $i < 16; ++$i) {
$u += self::chrToInt($in[$i]);
$in[$i] = self::intToChr($u & 0xff);
$u >>= 8;
}
$len -= 64;
}
if ($len > 0) {
$c .= self::substr(
self::core_salsa20($in, $kcopy, null),
0,
$len
);
}
try {
ParagonIE_Sodium_Compat::memzero($kcopy);
} catch (SodiumException $ex) {
$kcopy = null;
}
return $c;
}
/**
* @internal You should not use this directly from another application
*
* @param string $m
* @param string $n
* @param int $ic
* @param string $k
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function salsa20_xor_ic($m, $n, $ic, $k)
{
$mlen = self::strlen($m);
if ($mlen < 1) {
return '';
}
$kcopy = self::substr($k, 0, 32);
$in = self::substr($n, 0, 8);
// Initialize the counter
$in .= ParagonIE_Sodium_Core32_Util::store64_le($ic);
$c = '';
while ($mlen >= 64) {
$block = self::core_salsa20($in, $kcopy, null);
$c .= self::xorStrings(
self::substr($m, 0, 64),
self::substr($block, 0, 64)
);
$u = 1;
for ($i = 8; $i < 16; ++$i) {
$u += self::chrToInt($in[$i]);
$in[$i] = self::intToChr($u & 0xff);
$u >>= 8;
}
$mlen -= 64;
$m = self::substr($m, 64);
}
if ($mlen) {
$block = self::core_salsa20($in, $kcopy, null);
$c .= self::xorStrings(
self::substr($m, 0, $mlen),
self::substr($block, 0, $mlen)
);
}
try {
ParagonIE_Sodium_Compat::memzero($block);
ParagonIE_Sodium_Compat::memzero($kcopy);
} catch (SodiumException $ex) {
$block = null;
$kcopy = null;
}
return $c;
}
/**
* @internal You should not use this directly from another application
*
* @param string $message
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function salsa20_xor($message, $nonce, $key)
{
return self::xorStrings(
$message,
self::salsa20(
self::strlen($message),
$nonce,
$key
)
);
}
}
src/Core32/SecretStream/State.php 0000644 00000007110 15120157171 0012561 0 ustar 00 key = $key;
$this->counter = 1;
if (is_null($nonce)) {
$nonce = str_repeat("\0", 12);
}
$this->nonce = str_pad($nonce, 12, "\0", STR_PAD_RIGHT);;
$this->_pad = str_repeat("\0", 4);
}
/**
* @return self
*/
public function counterReset()
{
$this->counter = 1;
$this->_pad = str_repeat("\0", 4);
return $this;
}
/**
* @return string
*/
public function getKey()
{
return $this->key;
}
/**
* @return string
*/
public function getCounter()
{
return ParagonIE_Sodium_Core32_Util::store32_le($this->counter);
}
/**
* @return string
*/
public function getNonce()
{
if (!is_string($this->nonce)) {
$this->nonce = str_repeat("\0", 12);
}
if (ParagonIE_Sodium_Core32_Util::strlen($this->nonce) !== 12) {
$this->nonce = str_pad($this->nonce, 12, "\0", STR_PAD_RIGHT);
}
return $this->nonce;
}
/**
* @return string
*/
public function getCombinedNonce()
{
return $this->getCounter() .
ParagonIE_Sodium_Core32_Util::substr($this->getNonce(), 0, 8);
}
/**
* @return self
*/
public function incrementCounter()
{
++$this->counter;
return $this;
}
/**
* @return bool
*/
public function needsRekey()
{
return ($this->counter & 0xffff) === 0;
}
/**
* @param string $newKeyAndNonce
* @return self
*/
public function rekey($newKeyAndNonce)
{
$this->key = ParagonIE_Sodium_Core32_Util::substr($newKeyAndNonce, 0, 32);
$this->nonce = str_pad(
ParagonIE_Sodium_Core32_Util::substr($newKeyAndNonce, 32),
12,
"\0",
STR_PAD_RIGHT
);
return $this;
}
/**
* @param string $str
* @return self
*/
public function xorNonce($str)
{
$this->nonce = ParagonIE_Sodium_Core32_Util::xorStrings(
$this->getNonce(),
str_pad(
ParagonIE_Sodium_Core32_Util::substr($str, 0, 8),
12,
"\0",
STR_PAD_RIGHT
)
);
return $this;
}
/**
* @param string $string
* @return self
*/
public static function fromString($string)
{
$state = new ParagonIE_Sodium_Core32_SecretStream_State(
ParagonIE_Sodium_Core32_Util::substr($string, 0, 32)
);
$state->counter = ParagonIE_Sodium_Core32_Util::load_4(
ParagonIE_Sodium_Core32_Util::substr($string, 32, 4)
);
$state->nonce = ParagonIE_Sodium_Core32_Util::substr($string, 36, 12);
$state->_pad = ParagonIE_Sodium_Core32_Util::substr($string, 48, 8);
return $state;
}
/**
* @return string
*/
public function toString()
{
return $this->key .
$this->getCounter() .
$this->nonce .
$this->_pad;
}
}
src/Core32/SipHash.php 0000644 00000014725 15120157171 0010451 0 ustar 00 $v
* @return array
*/
public static function sipRound(array $v)
{
# v0 += v1;
$v[0] = $v[0]->addInt64($v[1]);
# v1 = ROTL(v1, 13);
$v[1] = $v[1]->rotateLeft(13);
# v1 ^= v0;
$v[1] = $v[1]->xorInt64($v[0]);
# v0=ROTL(v0,32);
$v[0] = $v[0]->rotateLeft(32);
# v2 += v3;
$v[2] = $v[2]->addInt64($v[3]);
# v3=ROTL(v3,16);
$v[3] = $v[3]->rotateLeft(16);
# v3 ^= v2;
$v[3] = $v[3]->xorInt64($v[2]);
# v0 += v3;
$v[0] = $v[0]->addInt64($v[3]);
# v3=ROTL(v3,21);
$v[3] = $v[3]->rotateLeft(21);
# v3 ^= v0;
$v[3] = $v[3]->xorInt64($v[0]);
# v2 += v1;
$v[2] = $v[2]->addInt64($v[1]);
# v1=ROTL(v1,17);
$v[1] = $v[1]->rotateLeft(17);
# v1 ^= v2;
$v[1] = $v[1]->xorInt64($v[2]);
# v2=ROTL(v2,32)
$v[2] = $v[2]->rotateLeft(32);
return $v;
}
/**
* @internal You should not use this directly from another application
*
* @param string $in
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sipHash24($in, $key)
{
$inlen = self::strlen($in);
# /* "somepseudorandomlygeneratedbytes" */
# u64 v0 = 0x736f6d6570736575ULL;
# u64 v1 = 0x646f72616e646f6dULL;
# u64 v2 = 0x6c7967656e657261ULL;
# u64 v3 = 0x7465646279746573ULL;
$v = array(
new ParagonIE_Sodium_Core32_Int64(
array(0x736f, 0x6d65, 0x7073, 0x6575)
),
new ParagonIE_Sodium_Core32_Int64(
array(0x646f, 0x7261, 0x6e64, 0x6f6d)
),
new ParagonIE_Sodium_Core32_Int64(
array(0x6c79, 0x6765, 0x6e65, 0x7261)
),
new ParagonIE_Sodium_Core32_Int64(
array(0x7465, 0x6462, 0x7974, 0x6573)
)
);
# u64 k0 = LOAD64_LE( k );
# u64 k1 = LOAD64_LE( k + 8 );
$k = array(
ParagonIE_Sodium_Core32_Int64::fromReverseString(
self::substr($key, 0, 8)
),
ParagonIE_Sodium_Core32_Int64::fromReverseString(
self::substr($key, 8, 8)
)
);
# b = ( ( u64 )inlen ) << 56;
$b = new ParagonIE_Sodium_Core32_Int64(
array(($inlen << 8) & 0xffff, 0, 0, 0)
);
# v3 ^= k1;
$v[3] = $v[3]->xorInt64($k[1]);
# v2 ^= k0;
$v[2] = $v[2]->xorInt64($k[0]);
# v1 ^= k1;
$v[1] = $v[1]->xorInt64($k[1]);
# v0 ^= k0;
$v[0] = $v[0]->xorInt64($k[0]);
$left = $inlen;
# for ( ; in != end; in += 8 )
while ($left >= 8) {
# m = LOAD64_LE( in );
$m = ParagonIE_Sodium_Core32_Int64::fromReverseString(
self::substr($in, 0, 8)
);
# v3 ^= m;
$v[3] = $v[3]->xorInt64($m);
# SIPROUND;
# SIPROUND;
$v = self::sipRound($v);
$v = self::sipRound($v);
# v0 ^= m;
$v[0] = $v[0]->xorInt64($m);
$in = self::substr($in, 8);
$left -= 8;
}
# switch( left )
# {
# case 7: b |= ( ( u64 )in[ 6] ) << 48;
# case 6: b |= ( ( u64 )in[ 5] ) << 40;
# case 5: b |= ( ( u64 )in[ 4] ) << 32;
# case 4: b |= ( ( u64 )in[ 3] ) << 24;
# case 3: b |= ( ( u64 )in[ 2] ) << 16;
# case 2: b |= ( ( u64 )in[ 1] ) << 8;
# case 1: b |= ( ( u64 )in[ 0] ); break;
# case 0: break;
# }
switch ($left) {
case 7:
$b = $b->orInt64(
ParagonIE_Sodium_Core32_Int64::fromInts(
0, self::chrToInt($in[6]) << 16
)
);
case 6:
$b = $b->orInt64(
ParagonIE_Sodium_Core32_Int64::fromInts(
0, self::chrToInt($in[5]) << 8
)
);
case 5:
$b = $b->orInt64(
ParagonIE_Sodium_Core32_Int64::fromInts(
0, self::chrToInt($in[4])
)
);
case 4:
$b = $b->orInt64(
ParagonIE_Sodium_Core32_Int64::fromInts(
self::chrToInt($in[3]) << 24, 0
)
);
case 3:
$b = $b->orInt64(
ParagonIE_Sodium_Core32_Int64::fromInts(
self::chrToInt($in[2]) << 16, 0
)
);
case 2:
$b = $b->orInt64(
ParagonIE_Sodium_Core32_Int64::fromInts(
self::chrToInt($in[1]) << 8, 0
)
);
case 1:
$b = $b->orInt64(
ParagonIE_Sodium_Core32_Int64::fromInts(
self::chrToInt($in[0]), 0
)
);
case 0:
break;
}
# v3 ^= b;
$v[3] = $v[3]->xorInt64($b);
# SIPROUND;
# SIPROUND;
$v = self::sipRound($v);
$v = self::sipRound($v);
# v0 ^= b;
$v[0] = $v[0]->xorInt64($b);
// Flip the lower 8 bits of v2 which is ($v[4], $v[5]) in our implementation
# v2 ^= 0xff;
$v[2]->limbs[3] ^= 0xff;
# SIPROUND;
# SIPROUND;
# SIPROUND;
# SIPROUND;
$v = self::sipRound($v);
$v = self::sipRound($v);
$v = self::sipRound($v);
$v = self::sipRound($v);
# b = v0 ^ v1 ^ v2 ^ v3;
# STORE64_LE( out, b );
return $v[0]
->xorInt64($v[1])
->xorInt64($v[2])
->xorInt64($v[3])
->toReverseString();
}
}
src/Core32/Util.php 0000644 00000000321 15120157171 0010012 0 ustar 00 toInt();
$f1 = (int) $f[1]->toInt();
$f2 = (int) $f[2]->toInt();
$f3 = (int) $f[3]->toInt();
$f4 = (int) $f[4]->toInt();
$f5 = (int) $f[5]->toInt();
$f6 = (int) $f[6]->toInt();
$f7 = (int) $f[7]->toInt();
$f8 = (int) $f[8]->toInt();
$f9 = (int) $f[9]->toInt();
$g0 = (int) $g[0]->toInt();
$g1 = (int) $g[1]->toInt();
$g2 = (int) $g[2]->toInt();
$g3 = (int) $g[3]->toInt();
$g4 = (int) $g[4]->toInt();
$g5 = (int) $g[5]->toInt();
$g6 = (int) $g[6]->toInt();
$g7 = (int) $g[7]->toInt();
$g8 = (int) $g[8]->toInt();
$g9 = (int) $g[9]->toInt();
$b = -$b;
/** @var int $x0 */
$x0 = ($f0 ^ $g0) & $b;
/** @var int $x1 */
$x1 = ($f1 ^ $g1) & $b;
/** @var int $x2 */
$x2 = ($f2 ^ $g2) & $b;
/** @var int $x3 */
$x3 = ($f3 ^ $g3) & $b;
/** @var int $x4 */
$x4 = ($f4 ^ $g4) & $b;
/** @var int $x5 */
$x5 = ($f5 ^ $g5) & $b;
/** @var int $x6 */
$x6 = ($f6 ^ $g6) & $b;
/** @var int $x7 */
$x7 = ($f7 ^ $g7) & $b;
/** @var int $x8 */
$x8 = ($f8 ^ $g8) & $b;
/** @var int $x9 */
$x9 = ($f9 ^ $g9) & $b;
$f[0] = ParagonIE_Sodium_Core32_Int32::fromInt($f0 ^ $x0);
$f[1] = ParagonIE_Sodium_Core32_Int32::fromInt($f1 ^ $x1);
$f[2] = ParagonIE_Sodium_Core32_Int32::fromInt($f2 ^ $x2);
$f[3] = ParagonIE_Sodium_Core32_Int32::fromInt($f3 ^ $x3);
$f[4] = ParagonIE_Sodium_Core32_Int32::fromInt($f4 ^ $x4);
$f[5] = ParagonIE_Sodium_Core32_Int32::fromInt($f5 ^ $x5);
$f[6] = ParagonIE_Sodium_Core32_Int32::fromInt($f6 ^ $x6);
$f[7] = ParagonIE_Sodium_Core32_Int32::fromInt($f7 ^ $x7);
$f[8] = ParagonIE_Sodium_Core32_Int32::fromInt($f8 ^ $x8);
$f[9] = ParagonIE_Sodium_Core32_Int32::fromInt($f9 ^ $x9);
$g[0] = ParagonIE_Sodium_Core32_Int32::fromInt($g0 ^ $x0);
$g[1] = ParagonIE_Sodium_Core32_Int32::fromInt($g1 ^ $x1);
$g[2] = ParagonIE_Sodium_Core32_Int32::fromInt($g2 ^ $x2);
$g[3] = ParagonIE_Sodium_Core32_Int32::fromInt($g3 ^ $x3);
$g[4] = ParagonIE_Sodium_Core32_Int32::fromInt($g4 ^ $x4);
$g[5] = ParagonIE_Sodium_Core32_Int32::fromInt($g5 ^ $x5);
$g[6] = ParagonIE_Sodium_Core32_Int32::fromInt($g6 ^ $x6);
$g[7] = ParagonIE_Sodium_Core32_Int32::fromInt($g7 ^ $x7);
$g[8] = ParagonIE_Sodium_Core32_Int32::fromInt($g8 ^ $x8);
$g[9] = ParagonIE_Sodium_Core32_Int32::fromInt($g9 ^ $x9);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $f
* @return ParagonIE_Sodium_Core32_Curve25519_Fe
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedMethodCall
*/
public static function fe_mul121666(ParagonIE_Sodium_Core32_Curve25519_Fe $f)
{
/** @var array $h */
$h = array();
for ($i = 0; $i < 10; ++$i) {
$h[$i] = $f[$i]->toInt64()->mulInt(121666, 17);
}
$carry9 = $h[9]->addInt(1 << 24)->shiftRight(25);
$h[0] = $h[0]->addInt64($carry9->mulInt(19, 5));
$h[9] = $h[9]->subInt64($carry9->shiftLeft(25));
$carry1 = $h[1]->addInt(1 << 24)->shiftRight(25);
$h[2] = $h[2]->addInt64($carry1);
$h[1] = $h[1]->subInt64($carry1->shiftLeft(25));
$carry3 = $h[3]->addInt(1 << 24)->shiftRight(25);
$h[4] = $h[4]->addInt64($carry3);
$h[3] = $h[3]->subInt64($carry3->shiftLeft(25));
$carry5 = $h[5]->addInt(1 << 24)->shiftRight(25);
$h[6] = $h[6]->addInt64($carry5);
$h[5] = $h[5]->subInt64($carry5->shiftLeft(25));
$carry7 = $h[7]->addInt(1 << 24)->shiftRight(25);
$h[8] = $h[8]->addInt64($carry7);
$h[7] = $h[7]->subInt64($carry7->shiftLeft(25));
$carry0 = $h[0]->addInt(1 << 25)->shiftRight(26);
$h[1] = $h[1]->addInt64($carry0);
$h[0] = $h[0]->subInt64($carry0->shiftLeft(26));
$carry2 = $h[2]->addInt(1 << 25)->shiftRight(26);
$h[3] = $h[3]->addInt64($carry2);
$h[2] = $h[2]->subInt64($carry2->shiftLeft(26));
$carry4 = $h[4]->addInt(1 << 25)->shiftRight(26);
$h[5] = $h[5]->addInt64($carry4);
$h[4] = $h[4]->subInt64($carry4->shiftLeft(26));
$carry6 = $h[6]->addInt(1 << 25)->shiftRight(26);
$h[7] = $h[7]->addInt64($carry6);
$h[6] = $h[6]->subInt64($carry6->shiftLeft(26));
$carry8 = $h[8]->addInt(1 << 25)->shiftRight(26);
$h[9] = $h[9]->addInt64($carry8);
$h[8] = $h[8]->subInt64($carry8->shiftLeft(26));
for ($i = 0; $i < 10; ++$i) {
$h[$i] = $h[$i]->toInt32();
}
/** @var array $h2 */
$h2 = $h;
return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($h2);
}
/**
* @internal You should not use this directly from another application
*
* Inline comments preceded by # are from libsodium's ref10 code.
*
* @param string $n
* @param string $p
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function crypto_scalarmult_curve25519_ref10($n, $p)
{
# for (i = 0;i < 32;++i) e[i] = n[i];
$e = '' . $n;
# e[0] &= 248;
$e[0] = self::intToChr(
self::chrToInt($e[0]) & 248
);
# e[31] &= 127;
# e[31] |= 64;
$e[31] = self::intToChr(
(self::chrToInt($e[31]) & 127) | 64
);
# fe_frombytes(x1,p);
$x1 = self::fe_frombytes($p);
# fe_1(x2);
$x2 = self::fe_1();
# fe_0(z2);
$z2 = self::fe_0();
# fe_copy(x3,x1);
$x3 = self::fe_copy($x1);
# fe_1(z3);
$z3 = self::fe_1();
# swap = 0;
/** @var int $swap */
$swap = 0;
# for (pos = 254;pos >= 0;--pos) {
for ($pos = 254; $pos >= 0; --$pos) {
# b = e[pos / 8] >> (pos & 7);
/** @var int $b */
$b = self::chrToInt(
$e[(int) floor($pos / 8)]
) >> ($pos & 7);
# b &= 1;
$b &= 1;
# swap ^= b;
$swap ^= $b;
# fe_cswap(x2,x3,swap);
self::fe_cswap($x2, $x3, $swap);
# fe_cswap(z2,z3,swap);
self::fe_cswap($z2, $z3, $swap);
# swap = b;
/** @var int $swap */
$swap = $b;
# fe_sub(tmp0,x3,z3);
$tmp0 = self::fe_sub($x3, $z3);
# fe_sub(tmp1,x2,z2);
$tmp1 = self::fe_sub($x2, $z2);
# fe_add(x2,x2,z2);
$x2 = self::fe_add($x2, $z2);
# fe_add(z2,x3,z3);
$z2 = self::fe_add($x3, $z3);
# fe_mul(z3,tmp0,x2);
$z3 = self::fe_mul($tmp0, $x2);
# fe_mul(z2,z2,tmp1);
$z2 = self::fe_mul($z2, $tmp1);
# fe_sq(tmp0,tmp1);
$tmp0 = self::fe_sq($tmp1);
# fe_sq(tmp1,x2);
$tmp1 = self::fe_sq($x2);
# fe_add(x3,z3,z2);
$x3 = self::fe_add($z3, $z2);
# fe_sub(z2,z3,z2);
$z2 = self::fe_sub($z3, $z2);
# fe_mul(x2,tmp1,tmp0);
$x2 = self::fe_mul($tmp1, $tmp0);
# fe_sub(tmp1,tmp1,tmp0);
$tmp1 = self::fe_sub($tmp1, $tmp0);
# fe_sq(z2,z2);
$z2 = self::fe_sq($z2);
# fe_mul121666(z3,tmp1);
$z3 = self::fe_mul121666($tmp1);
# fe_sq(x3,x3);
$x3 = self::fe_sq($x3);
# fe_add(tmp0,tmp0,z3);
$tmp0 = self::fe_add($tmp0, $z3);
# fe_mul(z3,x1,z2);
$z3 = self::fe_mul($x1, $z2);
# fe_mul(z2,tmp1,tmp0);
$z2 = self::fe_mul($tmp1, $tmp0);
}
# fe_cswap(x2,x3,swap);
self::fe_cswap($x2, $x3, $swap);
# fe_cswap(z2,z3,swap);
self::fe_cswap($z2, $z3, $swap);
# fe_invert(z2,z2);
$z2 = self::fe_invert($z2);
# fe_mul(x2,x2,z2);
$x2 = self::fe_mul($x2, $z2);
# fe_tobytes(q,x2);
return (string) self::fe_tobytes($x2);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsY
* @param ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsZ
* @return ParagonIE_Sodium_Core32_Curve25519_Fe
* @throws SodiumException
* @throws TypeError
*/
public static function edwards_to_montgomery(
ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsY,
ParagonIE_Sodium_Core32_Curve25519_Fe $edwardsZ
) {
$tempX = self::fe_add($edwardsZ, $edwardsY);
$tempZ = self::fe_sub($edwardsZ, $edwardsY);
$tempZ = self::fe_invert($tempZ);
return self::fe_mul($tempX, $tempZ);
}
/**
* @internal You should not use this directly from another application
*
* @param string $n
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function crypto_scalarmult_curve25519_ref10_base($n)
{
# for (i = 0;i < 32;++i) e[i] = n[i];
$e = '' . $n;
# e[0] &= 248;
$e[0] = self::intToChr(
self::chrToInt($e[0]) & 248
);
# e[31] &= 127;
# e[31] |= 64;
$e[31] = self::intToChr(
(self::chrToInt($e[31]) & 127) | 64
);
$A = self::ge_scalarmult_base($e);
if (
!($A->Y instanceof ParagonIE_Sodium_Core32_Curve25519_Fe)
||
!($A->Z instanceof ParagonIE_Sodium_Core32_Curve25519_Fe)
) {
throw new TypeError('Null points encountered');
}
$pk = self::edwards_to_montgomery($A->Y, $A->Z);
return self::fe_tobytes($pk);
}
}
src/Core32/XChaCha20.php 0000644 00000003357 15120157171 0010512 0 ustar 00 update($ad);
$state->update(ParagonIE_Sodium_Core_Util::store64_le($adlen));
$state->update($ciphertext);
$state->update(ParagonIE_Sodium_Core_Util::store64_le($clen));
$computed_mac = $state->finish();
/* Compare the given MAC with the recalculated MAC: */
if (!ParagonIE_Sodium_Core_Util::verify_16($computed_mac, $mac)) {
throw new SodiumException('Invalid MAC');
}
// Here, we know that the MAC is valid, so we decrypt and return the plaintext
return ParagonIE_Sodium_Core_ChaCha20::streamXorIc(
$ciphertext,
$nonce,
$key,
ParagonIE_Sodium_Core_Util::store64_le(1)
);
}
/**
* AEAD Encryption with ChaCha20-Poly1305
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $ad
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function aead_chacha20poly1305_encrypt(
$message = '',
$ad = '',
$nonce = '',
$key = ''
) {
/** @var int $len - Length of the plaintext message */
$len = ParagonIE_Sodium_Core_Util::strlen($message);
/** @var int $adlen - Length of the associated data */
$adlen = ParagonIE_Sodium_Core_Util::strlen($ad);
/** @var string The first block of the chacha20 keystream, used as a poly1305 key */
$block0 = ParagonIE_Sodium_Core_ChaCha20::stream(
32,
$nonce,
$key
);
$state = new ParagonIE_Sodium_Core_Poly1305_State($block0);
try {
ParagonIE_Sodium_Compat::memzero($block0);
} catch (SodiumException $ex) {
$block0 = null;
}
/** @var string $ciphertext - Raw encrypted data */
$ciphertext = ParagonIE_Sodium_Core_ChaCha20::streamXorIc(
$message,
$nonce,
$key,
ParagonIE_Sodium_Core_Util::store64_le(1)
);
$state->update($ad);
$state->update(ParagonIE_Sodium_Core_Util::store64_le($adlen));
$state->update($ciphertext);
$state->update(ParagonIE_Sodium_Core_Util::store64_le($len));
return $ciphertext . $state->finish();
}
/**
* AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce)
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $ad
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function aead_chacha20poly1305_ietf_decrypt(
$message = '',
$ad = '',
$nonce = '',
$key = ''
) {
/** @var int $adlen - Length of associated data */
$adlen = ParagonIE_Sodium_Core_Util::strlen($ad);
/** @var int $len - Length of message (ciphertext + MAC) */
$len = ParagonIE_Sodium_Core_Util::strlen($message);
/** @var int $clen - Length of ciphertext */
$clen = $len - self::aead_chacha20poly1305_IETF_ABYTES;
/** @var string The first block of the chacha20 keystream, used as a poly1305 key */
$block0 = ParagonIE_Sodium_Core_ChaCha20::ietfStream(
32,
$nonce,
$key
);
/** @var string $mac - Message authentication code */
$mac = ParagonIE_Sodium_Core_Util::substr(
$message,
$len - self::aead_chacha20poly1305_IETF_ABYTES,
self::aead_chacha20poly1305_IETF_ABYTES
);
/** @var string $ciphertext - The encrypted message (sans MAC) */
$ciphertext = ParagonIE_Sodium_Core_Util::substr(
$message,
0,
$len - self::aead_chacha20poly1305_IETF_ABYTES
);
/* Recalculate the Poly1305 authentication tag (MAC): */
$state = new ParagonIE_Sodium_Core_Poly1305_State($block0);
try {
ParagonIE_Sodium_Compat::memzero($block0);
} catch (SodiumException $ex) {
$block0 = null;
}
$state->update($ad);
$state->update(str_repeat("\x00", ((0x10 - $adlen) & 0xf)));
$state->update($ciphertext);
$state->update(str_repeat("\x00", (0x10 - $clen) & 0xf));
$state->update(ParagonIE_Sodium_Core_Util::store64_le($adlen));
$state->update(ParagonIE_Sodium_Core_Util::store64_le($clen));
$computed_mac = $state->finish();
/* Compare the given MAC with the recalculated MAC: */
if (!ParagonIE_Sodium_Core_Util::verify_16($computed_mac, $mac)) {
throw new SodiumException('Invalid MAC');
}
// Here, we know that the MAC is valid, so we decrypt and return the plaintext
return ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc(
$ciphertext,
$nonce,
$key,
ParagonIE_Sodium_Core_Util::store64_le(1)
);
}
/**
* AEAD Encryption with ChaCha20-Poly1305, IETF mode (96-bit nonce)
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $ad
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function aead_chacha20poly1305_ietf_encrypt(
$message = '',
$ad = '',
$nonce = '',
$key = ''
) {
/** @var int $len - Length of the plaintext message */
$len = ParagonIE_Sodium_Core_Util::strlen($message);
/** @var int $adlen - Length of the associated data */
$adlen = ParagonIE_Sodium_Core_Util::strlen($ad);
/** @var string The first block of the chacha20 keystream, used as a poly1305 key */
$block0 = ParagonIE_Sodium_Core_ChaCha20::ietfStream(
32,
$nonce,
$key
);
$state = new ParagonIE_Sodium_Core_Poly1305_State($block0);
try {
ParagonIE_Sodium_Compat::memzero($block0);
} catch (SodiumException $ex) {
$block0 = null;
}
/** @var string $ciphertext - Raw encrypted data */
$ciphertext = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc(
$message,
$nonce,
$key,
ParagonIE_Sodium_Core_Util::store64_le(1)
);
$state->update($ad);
$state->update(str_repeat("\x00", ((0x10 - $adlen) & 0xf)));
$state->update($ciphertext);
$state->update(str_repeat("\x00", ((0x10 - $len) & 0xf)));
$state->update(ParagonIE_Sodium_Core_Util::store64_le($adlen));
$state->update(ParagonIE_Sodium_Core_Util::store64_le($len));
return $ciphertext . $state->finish();
}
/**
* AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce)
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $ad
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function aead_xchacha20poly1305_ietf_decrypt(
$message = '',
$ad = '',
$nonce = '',
$key = ''
) {
$subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20(
ParagonIE_Sodium_Core_Util::substr($nonce, 0, 16),
$key
);
$nonceLast = "\x00\x00\x00\x00" .
ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8);
return self::aead_chacha20poly1305_ietf_decrypt($message, $ad, $nonceLast, $subkey);
}
/**
* AEAD Encryption with ChaCha20-Poly1305, IETF mode (96-bit nonce)
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $ad
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function aead_xchacha20poly1305_ietf_encrypt(
$message = '',
$ad = '',
$nonce = '',
$key = ''
) {
$subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20(
ParagonIE_Sodium_Core_Util::substr($nonce, 0, 16),
$key
);
$nonceLast = "\x00\x00\x00\x00" .
ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8);
return self::aead_chacha20poly1305_ietf_encrypt($message, $ad, $nonceLast, $subkey);
}
/**
* HMAC-SHA-512-256 (a.k.a. the leftmost 256 bits of HMAC-SHA-512)
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $key
* @return string
* @throws TypeError
*/
public static function auth($message, $key)
{
return ParagonIE_Sodium_Core_Util::substr(
hash_hmac('sha512', $message, $key, true),
0,
32
);
}
/**
* HMAC-SHA-512-256 validation. Constant-time via hash_equals().
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $mac
* @param string $message
* @param string $key
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function auth_verify($mac, $message, $key)
{
return ParagonIE_Sodium_Core_Util::hashEquals(
$mac,
self::auth($message, $key)
);
}
/**
* X25519 key exchange followed by XSalsa20Poly1305 symmetric encryption
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $plaintext
* @param string $nonce
* @param string $keypair
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function box($plaintext, $nonce, $keypair)
{
$c = self::secretbox(
$plaintext,
$nonce,
self::box_beforenm(
self::box_secretkey($keypair),
self::box_publickey($keypair)
)
);
return $c;
}
/**
* X25519-XSalsa20-Poly1305 with one ephemeral X25519 keypair.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $publicKey
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function box_seal($message, $publicKey)
{
/** @var string $ephemeralKeypair */
$ephemeralKeypair = self::box_keypair();
/** @var string $ephemeralSK */
$ephemeralSK = self::box_secretkey($ephemeralKeypair);
/** @var string $ephemeralPK */
$ephemeralPK = self::box_publickey($ephemeralKeypair);
/** @var string $nonce */
$nonce = self::generichash(
$ephemeralPK . $publicKey,
'',
24
);
/** @var string $keypair - The combined keypair used in crypto_box() */
$keypair = self::box_keypair_from_secretkey_and_publickey($ephemeralSK, $publicKey);
/** @var string $ciphertext Ciphertext + MAC from crypto_box */
$ciphertext = self::box($message, $nonce, $keypair);
try {
ParagonIE_Sodium_Compat::memzero($ephemeralKeypair);
ParagonIE_Sodium_Compat::memzero($ephemeralSK);
ParagonIE_Sodium_Compat::memzero($nonce);
} catch (SodiumException $ex) {
$ephemeralKeypair = null;
$ephemeralSK = null;
$nonce = null;
}
return $ephemeralPK . $ciphertext;
}
/**
* Opens a message encrypted via box_seal().
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $keypair
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function box_seal_open($message, $keypair)
{
/** @var string $ephemeralPK */
$ephemeralPK = ParagonIE_Sodium_Core_Util::substr($message, 0, 32);
/** @var string $ciphertext (ciphertext + MAC) */
$ciphertext = ParagonIE_Sodium_Core_Util::substr($message, 32);
/** @var string $secretKey */
$secretKey = self::box_secretkey($keypair);
/** @var string $publicKey */
$publicKey = self::box_publickey($keypair);
/** @var string $nonce */
$nonce = self::generichash(
$ephemeralPK . $publicKey,
'',
24
);
/** @var string $keypair */
$keypair = self::box_keypair_from_secretkey_and_publickey($secretKey, $ephemeralPK);
/** @var string $m */
$m = self::box_open($ciphertext, $nonce, $keypair);
try {
ParagonIE_Sodium_Compat::memzero($secretKey);
ParagonIE_Sodium_Compat::memzero($ephemeralPK);
ParagonIE_Sodium_Compat::memzero($nonce);
} catch (SodiumException $ex) {
$secretKey = null;
$ephemeralPK = null;
$nonce = null;
}
return $m;
}
/**
* Used by crypto_box() to get the crypto_secretbox() key.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $sk
* @param string $pk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function box_beforenm($sk, $pk)
{
return ParagonIE_Sodium_Core_HSalsa20::hsalsa20(
str_repeat("\x00", 16),
self::scalarmult($sk, $pk)
);
}
/**
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @return string
* @throws Exception
* @throws SodiumException
* @throws TypeError
*/
public static function box_keypair()
{
$sKey = random_bytes(32);
$pKey = self::scalarmult_base($sKey);
return $sKey . $pKey;
}
/**
* @param string $seed
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function box_seed_keypair($seed)
{
$sKey = ParagonIE_Sodium_Core_Util::substr(
hash('sha512', $seed, true),
0,
32
);
$pKey = self::scalarmult_base($sKey);
return $sKey . $pKey;
}
/**
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $sKey
* @param string $pKey
* @return string
* @throws TypeError
*/
public static function box_keypair_from_secretkey_and_publickey($sKey, $pKey)
{
return ParagonIE_Sodium_Core_Util::substr($sKey, 0, 32) .
ParagonIE_Sodium_Core_Util::substr($pKey, 0, 32);
}
/**
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $keypair
* @return string
* @throws RangeException
* @throws TypeError
*/
public static function box_secretkey($keypair)
{
if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== 64) {
throw new RangeException(
'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES bytes long.'
);
}
return ParagonIE_Sodium_Core_Util::substr($keypair, 0, 32);
}
/**
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $keypair
* @return string
* @throws RangeException
* @throws TypeError
*/
public static function box_publickey($keypair)
{
if (ParagonIE_Sodium_Core_Util::strlen($keypair) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES) {
throw new RangeException(
'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES bytes long.'
);
}
return ParagonIE_Sodium_Core_Util::substr($keypair, 32, 32);
}
/**
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $sKey
* @return string
* @throws RangeException
* @throws SodiumException
* @throws TypeError
*/
public static function box_publickey_from_secretkey($sKey)
{
if (ParagonIE_Sodium_Core_Util::strlen($sKey) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES) {
throw new RangeException(
'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES bytes long.'
);
}
return self::scalarmult_base($sKey);
}
/**
* Decrypt a message encrypted with box().
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $ciphertext
* @param string $nonce
* @param string $keypair
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function box_open($ciphertext, $nonce, $keypair)
{
return self::secretbox_open(
$ciphertext,
$nonce,
self::box_beforenm(
self::box_secretkey($keypair),
self::box_publickey($keypair)
)
);
}
/**
* Calculate a BLAKE2b hash.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string|null $key
* @param int $outlen
* @return string
* @throws RangeException
* @throws SodiumException
* @throws TypeError
*/
public static function generichash($message, $key = '', $outlen = 32)
{
// This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized
ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor();
$k = null;
if (!empty($key)) {
/** @var SplFixedArray $k */
$k = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($key);
if ($k->count() > ParagonIE_Sodium_Core_BLAKE2b::KEYBYTES) {
throw new RangeException('Invalid key size');
}
}
/** @var SplFixedArray $in */
$in = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($message);
/** @var SplFixedArray $ctx */
$ctx = ParagonIE_Sodium_Core_BLAKE2b::init($k, $outlen);
ParagonIE_Sodium_Core_BLAKE2b::update($ctx, $in, $in->count());
/** @var SplFixedArray $out */
$out = new SplFixedArray($outlen);
$out = ParagonIE_Sodium_Core_BLAKE2b::finish($ctx, $out);
/** @var array */
$outArray = $out->toArray();
return ParagonIE_Sodium_Core_Util::intArrayToString($outArray);
}
/**
* Finalize a BLAKE2b hashing context, returning the hash.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $ctx
* @param int $outlen
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function generichash_final($ctx, $outlen = 32)
{
if (!is_string($ctx)) {
throw new TypeError('Context must be a string');
}
$out = new SplFixedArray($outlen);
/** @var SplFixedArray $context */
$context = ParagonIE_Sodium_Core_BLAKE2b::stringToContext($ctx);
/** @var SplFixedArray $out */
$out = ParagonIE_Sodium_Core_BLAKE2b::finish($context, $out);
/** @var array */
$outArray = $out->toArray();
return ParagonIE_Sodium_Core_Util::intArrayToString($outArray);
}
/**
* Initialize a hashing context for BLAKE2b.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $key
* @param int $outputLength
* @return string
* @throws RangeException
* @throws SodiumException
* @throws TypeError
*/
public static function generichash_init($key = '', $outputLength = 32)
{
// This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized
ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor();
$k = null;
if (!empty($key)) {
$k = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($key);
if ($k->count() > ParagonIE_Sodium_Core_BLAKE2b::KEYBYTES) {
throw new RangeException('Invalid key size');
}
}
/** @var SplFixedArray $ctx */
$ctx = ParagonIE_Sodium_Core_BLAKE2b::init($k, $outputLength);
return ParagonIE_Sodium_Core_BLAKE2b::contextToString($ctx);
}
/**
* Initialize a hashing context for BLAKE2b.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $key
* @param int $outputLength
* @param string $salt
* @param string $personal
* @return string
* @throws RangeException
* @throws SodiumException
* @throws TypeError
*/
public static function generichash_init_salt_personal(
$key = '',
$outputLength = 32,
$salt = '',
$personal = ''
) {
// This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized
ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor();
$k = null;
if (!empty($key)) {
$k = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($key);
if ($k->count() > ParagonIE_Sodium_Core_BLAKE2b::KEYBYTES) {
throw new RangeException('Invalid key size');
}
}
if (!empty($salt)) {
$s = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($salt);
} else {
$s = null;
}
if (!empty($salt)) {
$p = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($personal);
} else {
$p = null;
}
/** @var SplFixedArray $ctx */
$ctx = ParagonIE_Sodium_Core_BLAKE2b::init($k, $outputLength, $s, $p);
return ParagonIE_Sodium_Core_BLAKE2b::contextToString($ctx);
}
/**
* Update a hashing context for BLAKE2b with $message
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $ctx
* @param string $message
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function generichash_update($ctx, $message)
{
// This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized
ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor();
/** @var SplFixedArray $context */
$context = ParagonIE_Sodium_Core_BLAKE2b::stringToContext($ctx);
/** @var SplFixedArray $in */
$in = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($message);
ParagonIE_Sodium_Core_BLAKE2b::update($context, $in, $in->count());
return ParagonIE_Sodium_Core_BLAKE2b::contextToString($context);
}
/**
* Libsodium's crypto_kx().
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $my_sk
* @param string $their_pk
* @param string $client_pk
* @param string $server_pk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function keyExchange($my_sk, $their_pk, $client_pk, $server_pk)
{
return ParagonIE_Sodium_Compat::crypto_generichash(
ParagonIE_Sodium_Compat::crypto_scalarmult($my_sk, $their_pk) .
$client_pk .
$server_pk
);
}
/**
* ECDH over Curve25519
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $sKey
* @param string $pKey
* @return string
*
* @throws SodiumException
* @throws TypeError
*/
public static function scalarmult($sKey, $pKey)
{
$q = ParagonIE_Sodium_Core_X25519::crypto_scalarmult_curve25519_ref10($sKey, $pKey);
self::scalarmult_throw_if_zero($q);
return $q;
}
/**
* ECDH over Curve25519, using the basepoint.
* Used to get a secret key from a public key.
*
* @param string $secret
* @return string
*
* @throws SodiumException
* @throws TypeError
*/
public static function scalarmult_base($secret)
{
$q = ParagonIE_Sodium_Core_X25519::crypto_scalarmult_curve25519_ref10_base($secret);
self::scalarmult_throw_if_zero($q);
return $q;
}
/**
* This throws an Error if a zero public key was passed to the function.
*
* @param string $q
* @return void
* @throws SodiumException
* @throws TypeError
*/
protected static function scalarmult_throw_if_zero($q)
{
$d = 0;
for ($i = 0; $i < self::box_curve25519xsalsa20poly1305_SECRETKEYBYTES; ++$i) {
$d |= ParagonIE_Sodium_Core_Util::chrToInt($q[$i]);
}
/* branch-free variant of === 0 */
if (-(1 & (($d - 1) >> 8))) {
throw new SodiumException('Zero public key is not allowed');
}
}
/**
* XSalsa20-Poly1305 authenticated symmetric-key encryption.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $plaintext
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function secretbox($plaintext, $nonce, $key)
{
/** @var string $subkey */
$subkey = ParagonIE_Sodium_Core_HSalsa20::hsalsa20($nonce, $key);
/** @var string $block0 */
$block0 = str_repeat("\x00", 32);
/** @var int $mlen - Length of the plaintext message */
$mlen = ParagonIE_Sodium_Core_Util::strlen($plaintext);
$mlen0 = $mlen;
if ($mlen0 > 64 - self::secretbox_xsalsa20poly1305_ZEROBYTES) {
$mlen0 = 64 - self::secretbox_xsalsa20poly1305_ZEROBYTES;
}
$block0 .= ParagonIE_Sodium_Core_Util::substr($plaintext, 0, $mlen0);
/** @var string $block0 */
$block0 = ParagonIE_Sodium_Core_Salsa20::salsa20_xor(
$block0,
ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8),
$subkey
);
/** @var string $c */
$c = ParagonIE_Sodium_Core_Util::substr(
$block0,
self::secretbox_xsalsa20poly1305_ZEROBYTES
);
if ($mlen > $mlen0) {
$c .= ParagonIE_Sodium_Core_Salsa20::salsa20_xor_ic(
ParagonIE_Sodium_Core_Util::substr(
$plaintext,
self::secretbox_xsalsa20poly1305_ZEROBYTES
),
ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8),
1,
$subkey
);
}
$state = new ParagonIE_Sodium_Core_Poly1305_State(
ParagonIE_Sodium_Core_Util::substr(
$block0,
0,
self::onetimeauth_poly1305_KEYBYTES
)
);
try {
ParagonIE_Sodium_Compat::memzero($block0);
ParagonIE_Sodium_Compat::memzero($subkey);
} catch (SodiumException $ex) {
$block0 = null;
$subkey = null;
}
$state->update($c);
/** @var string $c - MAC || ciphertext */
$c = $state->finish() . $c;
unset($state);
return $c;
}
/**
* Decrypt a ciphertext generated via secretbox().
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $ciphertext
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function secretbox_open($ciphertext, $nonce, $key)
{
/** @var string $mac */
$mac = ParagonIE_Sodium_Core_Util::substr(
$ciphertext,
0,
self::secretbox_xsalsa20poly1305_MACBYTES
);
/** @var string $c */
$c = ParagonIE_Sodium_Core_Util::substr(
$ciphertext,
self::secretbox_xsalsa20poly1305_MACBYTES
);
/** @var int $clen */
$clen = ParagonIE_Sodium_Core_Util::strlen($c);
/** @var string $subkey */
$subkey = ParagonIE_Sodium_Core_HSalsa20::hsalsa20($nonce, $key);
/** @var string $block0 */
$block0 = ParagonIE_Sodium_Core_Salsa20::salsa20(
64,
ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8),
$subkey
);
$verified = ParagonIE_Sodium_Core_Poly1305::onetimeauth_verify(
$mac,
$c,
ParagonIE_Sodium_Core_Util::substr($block0, 0, 32)
);
if (!$verified) {
try {
ParagonIE_Sodium_Compat::memzero($subkey);
} catch (SodiumException $ex) {
$subkey = null;
}
throw new SodiumException('Invalid MAC');
}
/** @var string $m - Decrypted message */
$m = ParagonIE_Sodium_Core_Util::xorStrings(
ParagonIE_Sodium_Core_Util::substr($block0, self::secretbox_xsalsa20poly1305_ZEROBYTES),
ParagonIE_Sodium_Core_Util::substr($c, 0, self::secretbox_xsalsa20poly1305_ZEROBYTES)
);
if ($clen > self::secretbox_xsalsa20poly1305_ZEROBYTES) {
// We had more than 1 block, so let's continue to decrypt the rest.
$m .= ParagonIE_Sodium_Core_Salsa20::salsa20_xor_ic(
ParagonIE_Sodium_Core_Util::substr(
$c,
self::secretbox_xsalsa20poly1305_ZEROBYTES
),
ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8),
1,
(string) $subkey
);
}
return $m;
}
/**
* XChaCha20-Poly1305 authenticated symmetric-key encryption.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $plaintext
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function secretbox_xchacha20poly1305($plaintext, $nonce, $key)
{
/** @var string $subkey */
$subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20(
ParagonIE_Sodium_Core_Util::substr($nonce, 0, 16),
$key
);
$nonceLast = ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8);
/** @var string $block0 */
$block0 = str_repeat("\x00", 32);
/** @var int $mlen - Length of the plaintext message */
$mlen = ParagonIE_Sodium_Core_Util::strlen($plaintext);
$mlen0 = $mlen;
if ($mlen0 > 64 - self::secretbox_xchacha20poly1305_ZEROBYTES) {
$mlen0 = 64 - self::secretbox_xchacha20poly1305_ZEROBYTES;
}
$block0 .= ParagonIE_Sodium_Core_Util::substr($plaintext, 0, $mlen0);
/** @var string $block0 */
$block0 = ParagonIE_Sodium_Core_ChaCha20::streamXorIc(
$block0,
$nonceLast,
$subkey
);
/** @var string $c */
$c = ParagonIE_Sodium_Core_Util::substr(
$block0,
self::secretbox_xchacha20poly1305_ZEROBYTES
);
if ($mlen > $mlen0) {
$c .= ParagonIE_Sodium_Core_ChaCha20::streamXorIc(
ParagonIE_Sodium_Core_Util::substr(
$plaintext,
self::secretbox_xchacha20poly1305_ZEROBYTES
),
$nonceLast,
$subkey,
ParagonIE_Sodium_Core_Util::store64_le(1)
);
}
$state = new ParagonIE_Sodium_Core_Poly1305_State(
ParagonIE_Sodium_Core_Util::substr(
$block0,
0,
self::onetimeauth_poly1305_KEYBYTES
)
);
try {
ParagonIE_Sodium_Compat::memzero($block0);
ParagonIE_Sodium_Compat::memzero($subkey);
} catch (SodiumException $ex) {
$block0 = null;
$subkey = null;
}
$state->update($c);
/** @var string $c - MAC || ciphertext */
$c = $state->finish() . $c;
unset($state);
return $c;
}
/**
* Decrypt a ciphertext generated via secretbox_xchacha20poly1305().
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $ciphertext
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key)
{
/** @var string $mac */
$mac = ParagonIE_Sodium_Core_Util::substr(
$ciphertext,
0,
self::secretbox_xchacha20poly1305_MACBYTES
);
/** @var string $c */
$c = ParagonIE_Sodium_Core_Util::substr(
$ciphertext,
self::secretbox_xchacha20poly1305_MACBYTES
);
/** @var int $clen */
$clen = ParagonIE_Sodium_Core_Util::strlen($c);
/** @var string $subkey */
$subkey = ParagonIE_Sodium_Core_HChaCha20::hchacha20($nonce, $key);
/** @var string $block0 */
$block0 = ParagonIE_Sodium_Core_ChaCha20::stream(
64,
ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8),
$subkey
);
$verified = ParagonIE_Sodium_Core_Poly1305::onetimeauth_verify(
$mac,
$c,
ParagonIE_Sodium_Core_Util::substr($block0, 0, 32)
);
if (!$verified) {
try {
ParagonIE_Sodium_Compat::memzero($subkey);
} catch (SodiumException $ex) {
$subkey = null;
}
throw new SodiumException('Invalid MAC');
}
/** @var string $m - Decrypted message */
$m = ParagonIE_Sodium_Core_Util::xorStrings(
ParagonIE_Sodium_Core_Util::substr($block0, self::secretbox_xchacha20poly1305_ZEROBYTES),
ParagonIE_Sodium_Core_Util::substr($c, 0, self::secretbox_xchacha20poly1305_ZEROBYTES)
);
if ($clen > self::secretbox_xchacha20poly1305_ZEROBYTES) {
// We had more than 1 block, so let's continue to decrypt the rest.
$m .= ParagonIE_Sodium_Core_ChaCha20::streamXorIc(
ParagonIE_Sodium_Core_Util::substr(
$c,
self::secretbox_xchacha20poly1305_ZEROBYTES
),
ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8),
(string) $subkey,
ParagonIE_Sodium_Core_Util::store64_le(1)
);
}
return $m;
}
/**
* @param string $key
* @return array Returns a state and a header.
* @throws Exception
* @throws SodiumException
*/
public static function secretstream_xchacha20poly1305_init_push($key)
{
# randombytes_buf(out, crypto_secretstream_xchacha20poly1305_HEADERBYTES);
$out = random_bytes(24);
# crypto_core_hchacha20(state->k, out, k, NULL);
$subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20($out, $key);
$state = new ParagonIE_Sodium_Core_SecretStream_State(
$subkey,
ParagonIE_Sodium_Core_Util::substr($out, 16, 8) . str_repeat("\0", 4)
);
# _crypto_secretstream_xchacha20poly1305_counter_reset(state);
$state->counterReset();
# memcpy(STATE_INONCE(state), out + crypto_core_hchacha20_INPUTBYTES,
# crypto_secretstream_xchacha20poly1305_INONCEBYTES);
# memset(state->_pad, 0, sizeof state->_pad);
return array(
$state->toString(),
$out
);
}
/**
* @param string $key
* @param string $header
* @return string Returns a state.
* @throws Exception
*/
public static function secretstream_xchacha20poly1305_init_pull($key, $header)
{
# crypto_core_hchacha20(state->k, in, k, NULL);
$subkey = ParagonIE_Sodium_Core_HChaCha20::hChaCha20(
ParagonIE_Sodium_Core_Util::substr($header, 0, 16),
$key
);
$state = new ParagonIE_Sodium_Core_SecretStream_State(
$subkey,
ParagonIE_Sodium_Core_Util::substr($header, 16)
);
$state->counterReset();
# memcpy(STATE_INONCE(state), in + crypto_core_hchacha20_INPUTBYTES,
# crypto_secretstream_xchacha20poly1305_INONCEBYTES);
# memset(state->_pad, 0, sizeof state->_pad);
# return 0;
return $state->toString();
}
/**
* @param string $state
* @param string $msg
* @param string $aad
* @param int $tag
* @return string
* @throws SodiumException
*/
public static function secretstream_xchacha20poly1305_push(&$state, $msg, $aad = '', $tag = 0)
{
$st = ParagonIE_Sodium_Core_SecretStream_State::fromString($state);
# crypto_onetimeauth_poly1305_state poly1305_state;
# unsigned char block[64U];
# unsigned char slen[8U];
# unsigned char *c;
# unsigned char *mac;
$msglen = ParagonIE_Sodium_Core_Util::strlen($msg);
$aadlen = ParagonIE_Sodium_Core_Util::strlen($aad);
if ((($msglen + 63) >> 6) > 0xfffffffe) {
throw new SodiumException(
'message cannot be larger than SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX bytes'
);
}
# if (outlen_p != NULL) {
# *outlen_p = 0U;
# }
# if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX) {
# sodium_misuse();
# }
# crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k);
# crypto_onetimeauth_poly1305_init(&poly1305_state, block);
# sodium_memzero(block, sizeof block);
$auth = new ParagonIE_Sodium_Core_Poly1305_State(
ParagonIE_Sodium_Core_ChaCha20::ietfStream(32, $st->getCombinedNonce(), $st->getKey())
);
# crypto_onetimeauth_poly1305_update(&poly1305_state, ad, adlen);
$auth->update($aad);
# crypto_onetimeauth_poly1305_update(&poly1305_state, _pad0,
# (0x10 - adlen) & 0xf);
$auth->update(str_repeat("\0", ((0x10 - $aadlen) & 0xf)));
# memset(block, 0, sizeof block);
# block[0] = tag;
# crypto_stream_chacha20_ietf_xor_ic(block, block, sizeof block,
# state->nonce, 1U, state->k);
$block = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc(
ParagonIE_Sodium_Core_Util::intToChr($tag) . str_repeat("\0", 63),
$st->getCombinedNonce(),
$st->getKey(),
ParagonIE_Sodium_Core_Util::store64_le(1)
);
# crypto_onetimeauth_poly1305_update(&poly1305_state, block, sizeof block);
$auth->update($block);
# out[0] = block[0];
$out = $block[0];
# c = out + (sizeof tag);
# crypto_stream_chacha20_ietf_xor_ic(c, m, mlen, state->nonce, 2U, state->k);
$cipher = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc(
$msg,
$st->getCombinedNonce(),
$st->getKey(),
ParagonIE_Sodium_Core_Util::store64_le(2)
);
# crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen);
$auth->update($cipher);
$out .= $cipher;
unset($cipher);
# crypto_onetimeauth_poly1305_update
# (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf);
$auth->update(str_repeat("\0", ((0x10 - 64 + $msglen) & 0xf)));
# STORE64_LE(slen, (uint64_t) adlen);
$slen = ParagonIE_Sodium_Core_Util::store64_le($aadlen);
# crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen);
$auth->update($slen);
# STORE64_LE(slen, (sizeof block) + mlen);
$slen = ParagonIE_Sodium_Core_Util::store64_le(64 + $msglen);
# crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen);
$auth->update($slen);
# mac = c + mlen;
# crypto_onetimeauth_poly1305_final(&poly1305_state, mac);
$mac = $auth->finish();
$out .= $mac;
# sodium_memzero(&poly1305_state, sizeof poly1305_state);
unset($auth);
# XOR_BUF(STATE_INONCE(state), mac,
# crypto_secretstream_xchacha20poly1305_INONCEBYTES);
$st->xorNonce($mac);
# sodium_increment(STATE_COUNTER(state),
# crypto_secretstream_xchacha20poly1305_COUNTERBYTES);
$st->incrementCounter();
// Overwrite by reference:
$state = $st->toString();
/** @var bool $rekey */
$rekey = ($tag & ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY) !== 0;
# if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) != 0 ||
# sodium_is_zero(STATE_COUNTER(state),
# crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) {
# crypto_secretstream_xchacha20poly1305_rekey(state);
# }
if ($rekey || $st->needsRekey()) {
// DO REKEY
self::secretstream_xchacha20poly1305_rekey($state);
}
# if (outlen_p != NULL) {
# *outlen_p = crypto_secretstream_xchacha20poly1305_ABYTES + mlen;
# }
return $out;
}
/**
* @param string $state
* @param string $cipher
* @param string $aad
* @return bool|array{0: string, 1: int}
* @throws SodiumException
*/
public static function secretstream_xchacha20poly1305_pull(&$state, $cipher, $aad = '')
{
$st = ParagonIE_Sodium_Core_SecretStream_State::fromString($state);
$cipherlen = ParagonIE_Sodium_Core_Util::strlen($cipher);
# mlen = inlen - crypto_secretstream_xchacha20poly1305_ABYTES;
$msglen = $cipherlen - ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES;
$aadlen = ParagonIE_Sodium_Core_Util::strlen($aad);
# if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX) {
# sodium_misuse();
# }
if ((($msglen + 63) >> 6) > 0xfffffffe) {
throw new SodiumException(
'message cannot be larger than SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX bytes'
);
}
# crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k);
# crypto_onetimeauth_poly1305_init(&poly1305_state, block);
# sodium_memzero(block, sizeof block);
$auth = new ParagonIE_Sodium_Core_Poly1305_State(
ParagonIE_Sodium_Core_ChaCha20::ietfStream(32, $st->getCombinedNonce(), $st->getKey())
);
# crypto_onetimeauth_poly1305_update(&poly1305_state, ad, adlen);
$auth->update($aad);
# crypto_onetimeauth_poly1305_update(&poly1305_state, _pad0,
# (0x10 - adlen) & 0xf);
$auth->update(str_repeat("\0", ((0x10 - $aadlen) & 0xf)));
# memset(block, 0, sizeof block);
# block[0] = in[0];
# crypto_stream_chacha20_ietf_xor_ic(block, block, sizeof block,
# state->nonce, 1U, state->k);
$block = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc(
$cipher[0] . str_repeat("\0", 63),
$st->getCombinedNonce(),
$st->getKey(),
ParagonIE_Sodium_Core_Util::store64_le(1)
);
# tag = block[0];
# block[0] = in[0];
# crypto_onetimeauth_poly1305_update(&poly1305_state, block, sizeof block);
$tag = ParagonIE_Sodium_Core_Util::chrToInt($block[0]);
$block[0] = $cipher[0];
$auth->update($block);
# c = in + (sizeof tag);
# crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen);
$auth->update(ParagonIE_Sodium_Core_Util::substr($cipher, 1, $msglen));
# crypto_onetimeauth_poly1305_update
# (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf);
$auth->update(str_repeat("\0", ((0x10 - 64 + $msglen) & 0xf)));
# STORE64_LE(slen, (uint64_t) adlen);
# crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen);
$slen = ParagonIE_Sodium_Core_Util::store64_le($aadlen);
$auth->update($slen);
# STORE64_LE(slen, (sizeof block) + mlen);
# crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen);
$slen = ParagonIE_Sodium_Core_Util::store64_le(64 + $msglen);
$auth->update($slen);
# crypto_onetimeauth_poly1305_final(&poly1305_state, mac);
# sodium_memzero(&poly1305_state, sizeof poly1305_state);
$mac = $auth->finish();
# stored_mac = c + mlen;
# if (sodium_memcmp(mac, stored_mac, sizeof mac) != 0) {
# sodium_memzero(mac, sizeof mac);
# return -1;
# }
$stored = ParagonIE_Sodium_Core_Util::substr($cipher, $msglen + 1, 16);
if (!ParagonIE_Sodium_Core_Util::hashEquals($mac, $stored)) {
return false;
}
# crypto_stream_chacha20_ietf_xor_ic(m, c, mlen, state->nonce, 2U, state->k);
$out = ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc(
ParagonIE_Sodium_Core_Util::substr($cipher, 1, $msglen),
$st->getCombinedNonce(),
$st->getKey(),
ParagonIE_Sodium_Core_Util::store64_le(2)
);
# XOR_BUF(STATE_INONCE(state), mac,
# crypto_secretstream_xchacha20poly1305_INONCEBYTES);
$st->xorNonce($mac);
# sodium_increment(STATE_COUNTER(state),
# crypto_secretstream_xchacha20poly1305_COUNTERBYTES);
$st->incrementCounter();
# if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) != 0 ||
# sodium_is_zero(STATE_COUNTER(state),
# crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) {
# crypto_secretstream_xchacha20poly1305_rekey(state);
# }
// Overwrite by reference:
$state = $st->toString();
/** @var bool $rekey */
$rekey = ($tag & ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY) !== 0;
if ($rekey || $st->needsRekey()) {
// DO REKEY
self::secretstream_xchacha20poly1305_rekey($state);
}
return array($out, $tag);
}
/**
* @param string $state
* @return void
* @throws SodiumException
*/
public static function secretstream_xchacha20poly1305_rekey(&$state)
{
$st = ParagonIE_Sodium_Core_SecretStream_State::fromString($state);
# unsigned char new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES +
# crypto_secretstream_xchacha20poly1305_INONCEBYTES];
# size_t i;
# for (i = 0U; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) {
# new_key_and_inonce[i] = state->k[i];
# }
$new_key_and_inonce = $st->getKey();
# for (i = 0U; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) {
# new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i] =
# STATE_INONCE(state)[i];
# }
$new_key_and_inonce .= ParagonIE_Sodium_Core_Util::substR($st->getNonce(), 0, 8);
# crypto_stream_chacha20_ietf_xor(new_key_and_inonce, new_key_and_inonce,
# sizeof new_key_and_inonce,
# state->nonce, state->k);
$st->rekey(ParagonIE_Sodium_Core_ChaCha20::ietfStreamXorIc(
$new_key_and_inonce,
$st->getCombinedNonce(),
$st->getKey(),
ParagonIE_Sodium_Core_Util::store64_le(0)
));
# for (i = 0U; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) {
# state->k[i] = new_key_and_inonce[i];
# }
# for (i = 0U; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) {
# STATE_INONCE(state)[i] =
# new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i];
# }
# _crypto_secretstream_xchacha20poly1305_counter_reset(state);
$st->counterReset();
$state = $st->toString();
}
/**
* Detached Ed25519 signature.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sign_detached($message, $sk)
{
return ParagonIE_Sodium_Core_Ed25519::sign_detached($message, $sk);
}
/**
* Attached Ed25519 signature. (Returns a signed message.)
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sign($message, $sk)
{
return ParagonIE_Sodium_Core_Ed25519::sign($message, $sk);
}
/**
* Opens a signed message. If valid, returns the message.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $signedMessage
* @param string $pk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sign_open($signedMessage, $pk)
{
return ParagonIE_Sodium_Core_Ed25519::sign_open($signedMessage, $pk);
}
/**
* Verify a detached signature of a given message and public key.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $signature
* @param string $message
* @param string $pk
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function sign_verify_detached($signature, $message, $pk)
{
return ParagonIE_Sodium_Core_Ed25519::verify_detached($signature, $message, $pk);
}
}
src/Crypto32.php 0000644 00000153517 15120157171 0007505 0 ustar 00 update($ad);
$state->update(ParagonIE_Sodium_Core32_Util::store64_le($adlen));
$state->update($ciphertext);
$state->update(ParagonIE_Sodium_Core32_Util::store64_le($clen));
$computed_mac = $state->finish();
/* Compare the given MAC with the recalculated MAC: */
if (!ParagonIE_Sodium_Core32_Util::verify_16($computed_mac, $mac)) {
throw new SodiumException('Invalid MAC');
}
// Here, we know that the MAC is valid, so we decrypt and return the plaintext
return ParagonIE_Sodium_Core32_ChaCha20::streamXorIc(
$ciphertext,
$nonce,
$key,
ParagonIE_Sodium_Core32_Util::store64_le(1)
);
}
/**
* AEAD Encryption with ChaCha20-Poly1305
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $ad
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function aead_chacha20poly1305_encrypt(
$message = '',
$ad = '',
$nonce = '',
$key = ''
) {
/** @var int $len - Length of the plaintext message */
$len = ParagonIE_Sodium_Core32_Util::strlen($message);
/** @var int $adlen - Length of the associated data */
$adlen = ParagonIE_Sodium_Core32_Util::strlen($ad);
/** @var string The first block of the chacha20 keystream, used as a poly1305 key */
$block0 = ParagonIE_Sodium_Core32_ChaCha20::stream(
32,
$nonce,
$key
);
$state = new ParagonIE_Sodium_Core32_Poly1305_State($block0);
try {
ParagonIE_Sodium_Compat::memzero($block0);
} catch (SodiumException $ex) {
$block0 = null;
}
/** @var string $ciphertext - Raw encrypted data */
$ciphertext = ParagonIE_Sodium_Core32_ChaCha20::streamXorIc(
$message,
$nonce,
$key,
ParagonIE_Sodium_Core32_Util::store64_le(1)
);
$state->update($ad);
$state->update(ParagonIE_Sodium_Core32_Util::store64_le($adlen));
$state->update($ciphertext);
$state->update(ParagonIE_Sodium_Core32_Util::store64_le($len));
return $ciphertext . $state->finish();
}
/**
* AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce)
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $ad
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function aead_chacha20poly1305_ietf_decrypt(
$message = '',
$ad = '',
$nonce = '',
$key = ''
) {
/** @var int $adlen - Length of associated data */
$adlen = ParagonIE_Sodium_Core32_Util::strlen($ad);
/** @var int $len - Length of message (ciphertext + MAC) */
$len = ParagonIE_Sodium_Core32_Util::strlen($message);
/** @var int $clen - Length of ciphertext */
$clen = $len - self::aead_chacha20poly1305_IETF_ABYTES;
/** @var string The first block of the chacha20 keystream, used as a poly1305 key */
$block0 = ParagonIE_Sodium_Core32_ChaCha20::ietfStream(
32,
$nonce,
$key
);
/** @var string $mac - Message authentication code */
$mac = ParagonIE_Sodium_Core32_Util::substr(
$message,
$len - self::aead_chacha20poly1305_IETF_ABYTES,
self::aead_chacha20poly1305_IETF_ABYTES
);
/** @var string $ciphertext - The encrypted message (sans MAC) */
$ciphertext = ParagonIE_Sodium_Core32_Util::substr(
$message,
0,
$len - self::aead_chacha20poly1305_IETF_ABYTES
);
/* Recalculate the Poly1305 authentication tag (MAC): */
$state = new ParagonIE_Sodium_Core32_Poly1305_State($block0);
try {
ParagonIE_Sodium_Compat::memzero($block0);
} catch (SodiumException $ex) {
$block0 = null;
}
$state->update($ad);
$state->update(str_repeat("\x00", ((0x10 - $adlen) & 0xf)));
$state->update($ciphertext);
$state->update(str_repeat("\x00", (0x10 - $clen) & 0xf));
$state->update(ParagonIE_Sodium_Core32_Util::store64_le($adlen));
$state->update(ParagonIE_Sodium_Core32_Util::store64_le($clen));
$computed_mac = $state->finish();
/* Compare the given MAC with the recalculated MAC: */
if (!ParagonIE_Sodium_Core32_Util::verify_16($computed_mac, $mac)) {
throw new SodiumException('Invalid MAC');
}
// Here, we know that the MAC is valid, so we decrypt and return the plaintext
return ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc(
$ciphertext,
$nonce,
$key,
ParagonIE_Sodium_Core32_Util::store64_le(1)
);
}
/**
* AEAD Encryption with ChaCha20-Poly1305, IETF mode (96-bit nonce)
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $ad
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function aead_chacha20poly1305_ietf_encrypt(
$message = '',
$ad = '',
$nonce = '',
$key = ''
) {
/** @var int $len - Length of the plaintext message */
$len = ParagonIE_Sodium_Core32_Util::strlen($message);
/** @var int $adlen - Length of the associated data */
$adlen = ParagonIE_Sodium_Core32_Util::strlen($ad);
/** @var string The first block of the chacha20 keystream, used as a poly1305 key */
$block0 = ParagonIE_Sodium_Core32_ChaCha20::ietfStream(
32,
$nonce,
$key
);
$state = new ParagonIE_Sodium_Core32_Poly1305_State($block0);
try {
ParagonIE_Sodium_Compat::memzero($block0);
} catch (SodiumException $ex) {
$block0 = null;
}
/** @var string $ciphertext - Raw encrypted data */
$ciphertext = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc(
$message,
$nonce,
$key,
ParagonIE_Sodium_Core32_Util::store64_le(1)
);
$state->update($ad);
$state->update(str_repeat("\x00", ((0x10 - $adlen) & 0xf)));
$state->update($ciphertext);
$state->update(str_repeat("\x00", ((0x10 - $len) & 0xf)));
$state->update(ParagonIE_Sodium_Core32_Util::store64_le($adlen));
$state->update(ParagonIE_Sodium_Core32_Util::store64_le($len));
return $ciphertext . $state->finish();
}
/**
* AEAD Decryption with ChaCha20-Poly1305, IETF mode (96-bit nonce)
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $ad
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function aead_xchacha20poly1305_ietf_decrypt(
$message = '',
$ad = '',
$nonce = '',
$key = ''
) {
$subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20(
ParagonIE_Sodium_Core32_Util::substr($nonce, 0, 16),
$key
);
$nonceLast = "\x00\x00\x00\x00" .
ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8);
return self::aead_chacha20poly1305_ietf_decrypt($message, $ad, $nonceLast, $subkey);
}
/**
* AEAD Encryption with ChaCha20-Poly1305, IETF mode (96-bit nonce)
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $ad
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function aead_xchacha20poly1305_ietf_encrypt(
$message = '',
$ad = '',
$nonce = '',
$key = ''
) {
$subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20(
ParagonIE_Sodium_Core32_Util::substr($nonce, 0, 16),
$key
);
$nonceLast = "\x00\x00\x00\x00" .
ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8);
return self::aead_chacha20poly1305_ietf_encrypt($message, $ad, $nonceLast, $subkey);
}
/**
* HMAC-SHA-512-256 (a.k.a. the leftmost 256 bits of HMAC-SHA-512)
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $key
* @return string
* @throws TypeError
*/
public static function auth($message, $key)
{
return ParagonIE_Sodium_Core32_Util::substr(
hash_hmac('sha512', $message, $key, true),
0,
32
);
}
/**
* HMAC-SHA-512-256 validation. Constant-time via hash_equals().
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $mac
* @param string $message
* @param string $key
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function auth_verify($mac, $message, $key)
{
return ParagonIE_Sodium_Core32_Util::hashEquals(
$mac,
self::auth($message, $key)
);
}
/**
* X25519 key exchange followed by XSalsa20Poly1305 symmetric encryption
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $plaintext
* @param string $nonce
* @param string $keypair
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function box($plaintext, $nonce, $keypair)
{
return self::secretbox(
$plaintext,
$nonce,
self::box_beforenm(
self::box_secretkey($keypair),
self::box_publickey($keypair)
)
);
}
/**
* X25519-XSalsa20-Poly1305 with one ephemeral X25519 keypair.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $publicKey
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function box_seal($message, $publicKey)
{
/** @var string $ephemeralKeypair */
$ephemeralKeypair = self::box_keypair();
/** @var string $ephemeralSK */
$ephemeralSK = self::box_secretkey($ephemeralKeypair);
/** @var string $ephemeralPK */
$ephemeralPK = self::box_publickey($ephemeralKeypair);
/** @var string $nonce */
$nonce = self::generichash(
$ephemeralPK . $publicKey,
'',
24
);
/** @var string $keypair - The combined keypair used in crypto_box() */
$keypair = self::box_keypair_from_secretkey_and_publickey($ephemeralSK, $publicKey);
/** @var string $ciphertext Ciphertext + MAC from crypto_box */
$ciphertext = self::box($message, $nonce, $keypair);
try {
ParagonIE_Sodium_Compat::memzero($ephemeralKeypair);
ParagonIE_Sodium_Compat::memzero($ephemeralSK);
ParagonIE_Sodium_Compat::memzero($nonce);
} catch (SodiumException $ex) {
$ephemeralKeypair = null;
$ephemeralSK = null;
$nonce = null;
}
return $ephemeralPK . $ciphertext;
}
/**
* Opens a message encrypted via box_seal().
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $keypair
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function box_seal_open($message, $keypair)
{
/** @var string $ephemeralPK */
$ephemeralPK = ParagonIE_Sodium_Core32_Util::substr($message, 0, 32);
/** @var string $ciphertext (ciphertext + MAC) */
$ciphertext = ParagonIE_Sodium_Core32_Util::substr($message, 32);
/** @var string $secretKey */
$secretKey = self::box_secretkey($keypair);
/** @var string $publicKey */
$publicKey = self::box_publickey($keypair);
/** @var string $nonce */
$nonce = self::generichash(
$ephemeralPK . $publicKey,
'',
24
);
/** @var string $keypair */
$keypair = self::box_keypair_from_secretkey_and_publickey($secretKey, $ephemeralPK);
/** @var string $m */
$m = self::box_open($ciphertext, $nonce, $keypair);
try {
ParagonIE_Sodium_Compat::memzero($secretKey);
ParagonIE_Sodium_Compat::memzero($ephemeralPK);
ParagonIE_Sodium_Compat::memzero($nonce);
} catch (SodiumException $ex) {
$secretKey = null;
$ephemeralPK = null;
$nonce = null;
}
return $m;
}
/**
* Used by crypto_box() to get the crypto_secretbox() key.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $sk
* @param string $pk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function box_beforenm($sk, $pk)
{
return ParagonIE_Sodium_Core32_HSalsa20::hsalsa20(
str_repeat("\x00", 16),
self::scalarmult($sk, $pk)
);
}
/**
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @return string
* @throws Exception
* @throws SodiumException
* @throws TypeError
*/
public static function box_keypair()
{
$sKey = random_bytes(32);
$pKey = self::scalarmult_base($sKey);
return $sKey . $pKey;
}
/**
* @param string $seed
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function box_seed_keypair($seed)
{
$sKey = ParagonIE_Sodium_Core32_Util::substr(
hash('sha512', $seed, true),
0,
32
);
$pKey = self::scalarmult_base($sKey);
return $sKey . $pKey;
}
/**
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $sKey
* @param string $pKey
* @return string
* @throws TypeError
*/
public static function box_keypair_from_secretkey_and_publickey($sKey, $pKey)
{
return ParagonIE_Sodium_Core32_Util::substr($sKey, 0, 32) .
ParagonIE_Sodium_Core32_Util::substr($pKey, 0, 32);
}
/**
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $keypair
* @return string
* @throws RangeException
* @throws TypeError
*/
public static function box_secretkey($keypair)
{
if (ParagonIE_Sodium_Core32_Util::strlen($keypair) !== 64) {
throw new RangeException(
'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES bytes long.'
);
}
return ParagonIE_Sodium_Core32_Util::substr($keypair, 0, 32);
}
/**
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $keypair
* @return string
* @throws RangeException
* @throws TypeError
*/
public static function box_publickey($keypair)
{
if (ParagonIE_Sodium_Core32_Util::strlen($keypair) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES) {
throw new RangeException(
'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES bytes long.'
);
}
return ParagonIE_Sodium_Core32_Util::substr($keypair, 32, 32);
}
/**
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $sKey
* @return string
* @throws RangeException
* @throws SodiumException
* @throws TypeError
*/
public static function box_publickey_from_secretkey($sKey)
{
if (ParagonIE_Sodium_Core32_Util::strlen($sKey) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES) {
throw new RangeException(
'Must be ParagonIE_Sodium_Compat::CRYPTO_BOX_SECRETKEYBYTES bytes long.'
);
}
return self::scalarmult_base($sKey);
}
/**
* Decrypt a message encrypted with box().
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $ciphertext
* @param string $nonce
* @param string $keypair
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function box_open($ciphertext, $nonce, $keypair)
{
return self::secretbox_open(
$ciphertext,
$nonce,
self::box_beforenm(
self::box_secretkey($keypair),
self::box_publickey($keypair)
)
);
}
/**
* Calculate a BLAKE2b hash.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string|null $key
* @param int $outlen
* @return string
* @throws RangeException
* @throws SodiumException
* @throws TypeError
*/
public static function generichash($message, $key = '', $outlen = 32)
{
// This ensures that ParagonIE_Sodium_Core32_BLAKE2b::$iv is initialized
ParagonIE_Sodium_Core32_BLAKE2b::pseudoConstructor();
$k = null;
if (!empty($key)) {
/** @var SplFixedArray $k */
$k = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($key);
if ($k->count() > ParagonIE_Sodium_Core32_BLAKE2b::KEYBYTES) {
throw new RangeException('Invalid key size');
}
}
/** @var SplFixedArray $in */
$in = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($message);
/** @var SplFixedArray $ctx */
$ctx = ParagonIE_Sodium_Core32_BLAKE2b::init($k, $outlen);
ParagonIE_Sodium_Core32_BLAKE2b::update($ctx, $in, $in->count());
/** @var SplFixedArray $out */
$out = new SplFixedArray($outlen);
$out = ParagonIE_Sodium_Core32_BLAKE2b::finish($ctx, $out);
/** @var array */
$outArray = $out->toArray();
return ParagonIE_Sodium_Core32_Util::intArrayToString($outArray);
}
/**
* Finalize a BLAKE2b hashing context, returning the hash.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $ctx
* @param int $outlen
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function generichash_final($ctx, $outlen = 32)
{
if (!is_string($ctx)) {
throw new TypeError('Context must be a string');
}
$out = new SplFixedArray($outlen);
/** @var SplFixedArray $context */
$context = ParagonIE_Sodium_Core32_BLAKE2b::stringToContext($ctx);
/** @var SplFixedArray $out */
$out = ParagonIE_Sodium_Core32_BLAKE2b::finish($context, $out);
/** @var array */
$outArray = $out->toArray();
return ParagonIE_Sodium_Core32_Util::intArrayToString($outArray);
}
/**
* Initialize a hashing context for BLAKE2b.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $key
* @param int $outputLength
* @return string
* @throws RangeException
* @throws SodiumException
* @throws TypeError
*/
public static function generichash_init($key = '', $outputLength = 32)
{
// This ensures that ParagonIE_Sodium_Core32_BLAKE2b::$iv is initialized
ParagonIE_Sodium_Core32_BLAKE2b::pseudoConstructor();
$k = null;
if (!empty($key)) {
$k = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($key);
if ($k->count() > ParagonIE_Sodium_Core32_BLAKE2b::KEYBYTES) {
throw new RangeException('Invalid key size');
}
}
/** @var SplFixedArray $ctx */
$ctx = ParagonIE_Sodium_Core32_BLAKE2b::init($k, $outputLength);
return ParagonIE_Sodium_Core32_BLAKE2b::contextToString($ctx);
}
/**
* Initialize a hashing context for BLAKE2b.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $key
* @param int $outputLength
* @param string $salt
* @param string $personal
* @return string
* @throws RangeException
* @throws SodiumException
* @throws TypeError
*/
public static function generichash_init_salt_personal(
$key = '',
$outputLength = 32,
$salt = '',
$personal = ''
) {
// This ensures that ParagonIE_Sodium_Core32_BLAKE2b::$iv is initialized
ParagonIE_Sodium_Core32_BLAKE2b::pseudoConstructor();
$k = null;
if (!empty($key)) {
$k = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($key);
if ($k->count() > ParagonIE_Sodium_Core32_BLAKE2b::KEYBYTES) {
throw new RangeException('Invalid key size');
}
}
if (!empty($salt)) {
$s = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($salt);
} else {
$s = null;
}
if (!empty($salt)) {
$p = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($personal);
} else {
$p = null;
}
/** @var SplFixedArray $ctx */
$ctx = ParagonIE_Sodium_Core32_BLAKE2b::init($k, $outputLength, $s, $p);
return ParagonIE_Sodium_Core32_BLAKE2b::contextToString($ctx);
}
/**
* Update a hashing context for BLAKE2b with $message
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $ctx
* @param string $message
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function generichash_update($ctx, $message)
{
// This ensures that ParagonIE_Sodium_Core32_BLAKE2b::$iv is initialized
ParagonIE_Sodium_Core32_BLAKE2b::pseudoConstructor();
/** @var SplFixedArray $context */
$context = ParagonIE_Sodium_Core32_BLAKE2b::stringToContext($ctx);
/** @var SplFixedArray $in */
$in = ParagonIE_Sodium_Core32_BLAKE2b::stringToSplFixedArray($message);
ParagonIE_Sodium_Core32_BLAKE2b::update($context, $in, $in->count());
return ParagonIE_Sodium_Core32_BLAKE2b::contextToString($context);
}
/**
* Libsodium's crypto_kx().
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $my_sk
* @param string $their_pk
* @param string $client_pk
* @param string $server_pk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function keyExchange($my_sk, $their_pk, $client_pk, $server_pk)
{
return self::generichash(
self::scalarmult($my_sk, $their_pk) .
$client_pk .
$server_pk
);
}
/**
* ECDH over Curve25519
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $sKey
* @param string $pKey
* @return string
*
* @throws SodiumException
* @throws TypeError
*/
public static function scalarmult($sKey, $pKey)
{
$q = ParagonIE_Sodium_Core32_X25519::crypto_scalarmult_curve25519_ref10($sKey, $pKey);
self::scalarmult_throw_if_zero($q);
return $q;
}
/**
* ECDH over Curve25519, using the basepoint.
* Used to get a secret key from a public key.
*
* @param string $secret
* @return string
*
* @throws SodiumException
* @throws TypeError
*/
public static function scalarmult_base($secret)
{
$q = ParagonIE_Sodium_Core32_X25519::crypto_scalarmult_curve25519_ref10_base($secret);
self::scalarmult_throw_if_zero($q);
return $q;
}
/**
* This throws an Error if a zero public key was passed to the function.
*
* @param string $q
* @return void
* @throws SodiumException
* @throws TypeError
*/
protected static function scalarmult_throw_if_zero($q)
{
$d = 0;
for ($i = 0; $i < self::box_curve25519xsalsa20poly1305_SECRETKEYBYTES; ++$i) {
$d |= ParagonIE_Sodium_Core32_Util::chrToInt($q[$i]);
}
/* branch-free variant of === 0 */
if (-(1 & (($d - 1) >> 8))) {
throw new SodiumException('Zero public key is not allowed');
}
}
/**
* XSalsa20-Poly1305 authenticated symmetric-key encryption.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $plaintext
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function secretbox($plaintext, $nonce, $key)
{
/** @var string $subkey */
$subkey = ParagonIE_Sodium_Core32_HSalsa20::hsalsa20($nonce, $key);
/** @var string $block0 */
$block0 = str_repeat("\x00", 32);
/** @var int $mlen - Length of the plaintext message */
$mlen = ParagonIE_Sodium_Core32_Util::strlen($plaintext);
$mlen0 = $mlen;
if ($mlen0 > 64 - self::secretbox_xsalsa20poly1305_ZEROBYTES) {
$mlen0 = 64 - self::secretbox_xsalsa20poly1305_ZEROBYTES;
}
$block0 .= ParagonIE_Sodium_Core32_Util::substr($plaintext, 0, $mlen0);
/** @var string $block0 */
$block0 = ParagonIE_Sodium_Core32_Salsa20::salsa20_xor(
$block0,
ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8),
$subkey
);
/** @var string $c */
$c = ParagonIE_Sodium_Core32_Util::substr(
$block0,
self::secretbox_xsalsa20poly1305_ZEROBYTES
);
if ($mlen > $mlen0) {
$c .= ParagonIE_Sodium_Core32_Salsa20::salsa20_xor_ic(
ParagonIE_Sodium_Core32_Util::substr(
$plaintext,
self::secretbox_xsalsa20poly1305_ZEROBYTES
),
ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8),
1,
$subkey
);
}
$state = new ParagonIE_Sodium_Core32_Poly1305_State(
ParagonIE_Sodium_Core32_Util::substr(
$block0,
0,
self::onetimeauth_poly1305_KEYBYTES
)
);
try {
ParagonIE_Sodium_Compat::memzero($block0);
ParagonIE_Sodium_Compat::memzero($subkey);
} catch (SodiumException $ex) {
$block0 = null;
$subkey = null;
}
$state->update($c);
/** @var string $c - MAC || ciphertext */
$c = $state->finish() . $c;
unset($state);
return $c;
}
/**
* Decrypt a ciphertext generated via secretbox().
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $ciphertext
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function secretbox_open($ciphertext, $nonce, $key)
{
/** @var string $mac */
$mac = ParagonIE_Sodium_Core32_Util::substr(
$ciphertext,
0,
self::secretbox_xsalsa20poly1305_MACBYTES
);
/** @var string $c */
$c = ParagonIE_Sodium_Core32_Util::substr(
$ciphertext,
self::secretbox_xsalsa20poly1305_MACBYTES
);
/** @var int $clen */
$clen = ParagonIE_Sodium_Core32_Util::strlen($c);
/** @var string $subkey */
$subkey = ParagonIE_Sodium_Core32_HSalsa20::hsalsa20($nonce, $key);
/** @var string $block0 */
$block0 = ParagonIE_Sodium_Core32_Salsa20::salsa20(
64,
ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8),
$subkey
);
$verified = ParagonIE_Sodium_Core32_Poly1305::onetimeauth_verify(
$mac,
$c,
ParagonIE_Sodium_Core32_Util::substr($block0, 0, 32)
);
if (!$verified) {
try {
ParagonIE_Sodium_Compat::memzero($subkey);
} catch (SodiumException $ex) {
$subkey = null;
}
throw new SodiumException('Invalid MAC');
}
/** @var string $m - Decrypted message */
$m = ParagonIE_Sodium_Core32_Util::xorStrings(
ParagonIE_Sodium_Core32_Util::substr($block0, self::secretbox_xsalsa20poly1305_ZEROBYTES),
ParagonIE_Sodium_Core32_Util::substr($c, 0, self::secretbox_xsalsa20poly1305_ZEROBYTES)
);
if ($clen > self::secretbox_xsalsa20poly1305_ZEROBYTES) {
// We had more than 1 block, so let's continue to decrypt the rest.
$m .= ParagonIE_Sodium_Core32_Salsa20::salsa20_xor_ic(
ParagonIE_Sodium_Core32_Util::substr(
$c,
self::secretbox_xsalsa20poly1305_ZEROBYTES
),
ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8),
1,
(string) $subkey
);
}
return $m;
}
/**
* XChaCha20-Poly1305 authenticated symmetric-key encryption.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $plaintext
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function secretbox_xchacha20poly1305($plaintext, $nonce, $key)
{
/** @var string $subkey */
$subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20(
ParagonIE_Sodium_Core32_Util::substr($nonce, 0, 16),
$key
);
$nonceLast = ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8);
/** @var string $block0 */
$block0 = str_repeat("\x00", 32);
/** @var int $mlen - Length of the plaintext message */
$mlen = ParagonIE_Sodium_Core32_Util::strlen($plaintext);
$mlen0 = $mlen;
if ($mlen0 > 64 - self::secretbox_xchacha20poly1305_ZEROBYTES) {
$mlen0 = 64 - self::secretbox_xchacha20poly1305_ZEROBYTES;
}
$block0 .= ParagonIE_Sodium_Core32_Util::substr($plaintext, 0, $mlen0);
/** @var string $block0 */
$block0 = ParagonIE_Sodium_Core32_ChaCha20::streamXorIc(
$block0,
$nonceLast,
$subkey
);
/** @var string $c */
$c = ParagonIE_Sodium_Core32_Util::substr(
$block0,
self::secretbox_xchacha20poly1305_ZEROBYTES
);
if ($mlen > $mlen0) {
$c .= ParagonIE_Sodium_Core32_ChaCha20::streamXorIc(
ParagonIE_Sodium_Core32_Util::substr(
$plaintext,
self::secretbox_xchacha20poly1305_ZEROBYTES
),
$nonceLast,
$subkey,
ParagonIE_Sodium_Core32_Util::store64_le(1)
);
}
$state = new ParagonIE_Sodium_Core32_Poly1305_State(
ParagonIE_Sodium_Core32_Util::substr(
$block0,
0,
self::onetimeauth_poly1305_KEYBYTES
)
);
try {
ParagonIE_Sodium_Compat::memzero($block0);
ParagonIE_Sodium_Compat::memzero($subkey);
} catch (SodiumException $ex) {
$block0 = null;
$subkey = null;
}
$state->update($c);
/** @var string $c - MAC || ciphertext */
$c = $state->finish() . $c;
unset($state);
return $c;
}
/**
* Decrypt a ciphertext generated via secretbox_xchacha20poly1305().
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $ciphertext
* @param string $nonce
* @param string $key
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key)
{
/** @var string $mac */
$mac = ParagonIE_Sodium_Core32_Util::substr(
$ciphertext,
0,
self::secretbox_xchacha20poly1305_MACBYTES
);
/** @var string $c */
$c = ParagonIE_Sodium_Core32_Util::substr(
$ciphertext,
self::secretbox_xchacha20poly1305_MACBYTES
);
/** @var int $clen */
$clen = ParagonIE_Sodium_Core32_Util::strlen($c);
/** @var string $subkey */
$subkey = ParagonIE_Sodium_Core32_HChaCha20::hchacha20($nonce, $key);
/** @var string $block0 */
$block0 = ParagonIE_Sodium_Core32_ChaCha20::stream(
64,
ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8),
$subkey
);
$verified = ParagonIE_Sodium_Core32_Poly1305::onetimeauth_verify(
$mac,
$c,
ParagonIE_Sodium_Core32_Util::substr($block0, 0, 32)
);
if (!$verified) {
try {
ParagonIE_Sodium_Compat::memzero($subkey);
} catch (SodiumException $ex) {
$subkey = null;
}
throw new SodiumException('Invalid MAC');
}
/** @var string $m - Decrypted message */
$m = ParagonIE_Sodium_Core32_Util::xorStrings(
ParagonIE_Sodium_Core32_Util::substr($block0, self::secretbox_xchacha20poly1305_ZEROBYTES),
ParagonIE_Sodium_Core32_Util::substr($c, 0, self::secretbox_xchacha20poly1305_ZEROBYTES)
);
if ($clen > self::secretbox_xchacha20poly1305_ZEROBYTES) {
// We had more than 1 block, so let's continue to decrypt the rest.
$m .= ParagonIE_Sodium_Core32_ChaCha20::streamXorIc(
ParagonIE_Sodium_Core32_Util::substr(
$c,
self::secretbox_xchacha20poly1305_ZEROBYTES
),
ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8),
(string) $subkey,
ParagonIE_Sodium_Core32_Util::store64_le(1)
);
}
return $m;
}
/**
* @param string $key
* @return array Returns a state and a header.
* @throws Exception
* @throws SodiumException
*/
public static function secretstream_xchacha20poly1305_init_push($key)
{
# randombytes_buf(out, crypto_secretstream_xchacha20poly1305_HEADERBYTES);
$out = random_bytes(24);
# crypto_core_hchacha20(state->k, out, k, NULL);
$subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20($out, $key);
$state = new ParagonIE_Sodium_Core32_SecretStream_State(
$subkey,
ParagonIE_Sodium_Core32_Util::substr($out, 16, 8) . str_repeat("\0", 4)
);
# _crypto_secretstream_xchacha20poly1305_counter_reset(state);
$state->counterReset();
# memcpy(STATE_INONCE(state), out + crypto_core_hchacha20_INPUTBYTES,
# crypto_secretstream_xchacha20poly1305_INONCEBYTES);
# memset(state->_pad, 0, sizeof state->_pad);
return array(
$state->toString(),
$out
);
}
/**
* @param string $key
* @param string $header
* @return string Returns a state.
* @throws Exception
*/
public static function secretstream_xchacha20poly1305_init_pull($key, $header)
{
# crypto_core_hchacha20(state->k, in, k, NULL);
$subkey = ParagonIE_Sodium_Core32_HChaCha20::hChaCha20(
ParagonIE_Sodium_Core32_Util::substr($header, 0, 16),
$key
);
$state = new ParagonIE_Sodium_Core32_SecretStream_State(
$subkey,
ParagonIE_Sodium_Core32_Util::substr($header, 16)
);
$state->counterReset();
# memcpy(STATE_INONCE(state), in + crypto_core_hchacha20_INPUTBYTES,
# crypto_secretstream_xchacha20poly1305_INONCEBYTES);
# memset(state->_pad, 0, sizeof state->_pad);
# return 0;
return $state->toString();
}
/**
* @param string $state
* @param string $msg
* @param string $aad
* @param int $tag
* @return string
* @throws SodiumException
*/
public static function secretstream_xchacha20poly1305_push(&$state, $msg, $aad = '', $tag = 0)
{
$st = ParagonIE_Sodium_Core32_SecretStream_State::fromString($state);
# crypto_onetimeauth_poly1305_state poly1305_state;
# unsigned char block[64U];
# unsigned char slen[8U];
# unsigned char *c;
# unsigned char *mac;
$msglen = ParagonIE_Sodium_Core32_Util::strlen($msg);
$aadlen = ParagonIE_Sodium_Core32_Util::strlen($aad);
if ((($msglen + 63) >> 6) > 0xfffffffe) {
throw new SodiumException(
'message cannot be larger than SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX bytes'
);
}
# if (outlen_p != NULL) {
# *outlen_p = 0U;
# }
# if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX) {
# sodium_misuse();
# }
# crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k);
# crypto_onetimeauth_poly1305_init(&poly1305_state, block);
# sodium_memzero(block, sizeof block);
$auth = new ParagonIE_Sodium_Core32_Poly1305_State(
ParagonIE_Sodium_Core32_ChaCha20::ietfStream(32, $st->getCombinedNonce(), $st->getKey())
);
# crypto_onetimeauth_poly1305_update(&poly1305_state, ad, adlen);
$auth->update($aad);
# crypto_onetimeauth_poly1305_update(&poly1305_state, _pad0,
# (0x10 - adlen) & 0xf);
$auth->update(str_repeat("\0", ((0x10 - $aadlen) & 0xf)));
# memset(block, 0, sizeof block);
# block[0] = tag;
# crypto_stream_chacha20_ietf_xor_ic(block, block, sizeof block,
# state->nonce, 1U, state->k);
$block = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc(
ParagonIE_Sodium_Core32_Util::intToChr($tag) . str_repeat("\0", 63),
$st->getCombinedNonce(),
$st->getKey(),
ParagonIE_Sodium_Core32_Util::store64_le(1)
);
# crypto_onetimeauth_poly1305_update(&poly1305_state, block, sizeof block);
$auth->update($block);
# out[0] = block[0];
$out = $block[0];
# c = out + (sizeof tag);
# crypto_stream_chacha20_ietf_xor_ic(c, m, mlen, state->nonce, 2U, state->k);
$cipher = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc(
$msg,
$st->getCombinedNonce(),
$st->getKey(),
ParagonIE_Sodium_Core32_Util::store64_le(2)
);
# crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen);
$auth->update($cipher);
$out .= $cipher;
unset($cipher);
# crypto_onetimeauth_poly1305_update
# (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf);
$auth->update(str_repeat("\0", ((0x10 - 64 + $msglen) & 0xf)));
# STORE64_LE(slen, (uint64_t) adlen);
$slen = ParagonIE_Sodium_Core32_Util::store64_le($aadlen);
# crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen);
$auth->update($slen);
# STORE64_LE(slen, (sizeof block) + mlen);
$slen = ParagonIE_Sodium_Core32_Util::store64_le(64 + $msglen);
# crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen);
$auth->update($slen);
# mac = c + mlen;
# crypto_onetimeauth_poly1305_final(&poly1305_state, mac);
$mac = $auth->finish();
$out .= $mac;
# sodium_memzero(&poly1305_state, sizeof poly1305_state);
unset($auth);
# XOR_BUF(STATE_INONCE(state), mac,
# crypto_secretstream_xchacha20poly1305_INONCEBYTES);
$st->xorNonce($mac);
# sodium_increment(STATE_COUNTER(state),
# crypto_secretstream_xchacha20poly1305_COUNTERBYTES);
$st->incrementCounter();
// Overwrite by reference:
$state = $st->toString();
/** @var bool $rekey */
$rekey = ($tag & ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY) !== 0;
# if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) != 0 ||
# sodium_is_zero(STATE_COUNTER(state),
# crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) {
# crypto_secretstream_xchacha20poly1305_rekey(state);
# }
if ($rekey || $st->needsRekey()) {
// DO REKEY
self::secretstream_xchacha20poly1305_rekey($state);
}
# if (outlen_p != NULL) {
# *outlen_p = crypto_secretstream_xchacha20poly1305_ABYTES + mlen;
# }
return $out;
}
/**
* @param string $state
* @param string $cipher
* @param string $aad
* @return bool|array{0: string, 1: int}
* @throws SodiumException
*/
public static function secretstream_xchacha20poly1305_pull(&$state, $cipher, $aad = '')
{
$st = ParagonIE_Sodium_Core32_SecretStream_State::fromString($state);
$cipherlen = ParagonIE_Sodium_Core32_Util::strlen($cipher);
# mlen = inlen - crypto_secretstream_xchacha20poly1305_ABYTES;
$msglen = $cipherlen - ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES;
$aadlen = ParagonIE_Sodium_Core32_Util::strlen($aad);
# if (mlen > crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX) {
# sodium_misuse();
# }
if ((($msglen + 63) >> 6) > 0xfffffffe) {
throw new SodiumException(
'message cannot be larger than SODIUM_CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX bytes'
);
}
# crypto_stream_chacha20_ietf(block, sizeof block, state->nonce, state->k);
# crypto_onetimeauth_poly1305_init(&poly1305_state, block);
# sodium_memzero(block, sizeof block);
$auth = new ParagonIE_Sodium_Core32_Poly1305_State(
ParagonIE_Sodium_Core32_ChaCha20::ietfStream(32, $st->getCombinedNonce(), $st->getKey())
);
# crypto_onetimeauth_poly1305_update(&poly1305_state, ad, adlen);
$auth->update($aad);
# crypto_onetimeauth_poly1305_update(&poly1305_state, _pad0,
# (0x10 - adlen) & 0xf);
$auth->update(str_repeat("\0", ((0x10 - $aadlen) & 0xf)));
# memset(block, 0, sizeof block);
# block[0] = in[0];
# crypto_stream_chacha20_ietf_xor_ic(block, block, sizeof block,
# state->nonce, 1U, state->k);
$block = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc(
$cipher[0] . str_repeat("\0", 63),
$st->getCombinedNonce(),
$st->getKey(),
ParagonIE_Sodium_Core32_Util::store64_le(1)
);
# tag = block[0];
# block[0] = in[0];
# crypto_onetimeauth_poly1305_update(&poly1305_state, block, sizeof block);
$tag = ParagonIE_Sodium_Core32_Util::chrToInt($block[0]);
$block[0] = $cipher[0];
$auth->update($block);
# c = in + (sizeof tag);
# crypto_onetimeauth_poly1305_update(&poly1305_state, c, mlen);
$auth->update(ParagonIE_Sodium_Core32_Util::substr($cipher, 1, $msglen));
# crypto_onetimeauth_poly1305_update
# (&poly1305_state, _pad0, (0x10 - (sizeof block) + mlen) & 0xf);
$auth->update(str_repeat("\0", ((0x10 - 64 + $msglen) & 0xf)));
# STORE64_LE(slen, (uint64_t) adlen);
# crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen);
$slen = ParagonIE_Sodium_Core32_Util::store64_le($aadlen);
$auth->update($slen);
# STORE64_LE(slen, (sizeof block) + mlen);
# crypto_onetimeauth_poly1305_update(&poly1305_state, slen, sizeof slen);
$slen = ParagonIE_Sodium_Core32_Util::store64_le(64 + $msglen);
$auth->update($slen);
# crypto_onetimeauth_poly1305_final(&poly1305_state, mac);
# sodium_memzero(&poly1305_state, sizeof poly1305_state);
$mac = $auth->finish();
# stored_mac = c + mlen;
# if (sodium_memcmp(mac, stored_mac, sizeof mac) != 0) {
# sodium_memzero(mac, sizeof mac);
# return -1;
# }
$stored = ParagonIE_Sodium_Core32_Util::substr($cipher, $msglen + 1, 16);
if (!ParagonIE_Sodium_Core32_Util::hashEquals($mac, $stored)) {
return false;
}
# crypto_stream_chacha20_ietf_xor_ic(m, c, mlen, state->nonce, 2U, state->k);
$out = ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc(
ParagonIE_Sodium_Core32_Util::substr($cipher, 1, $msglen),
$st->getCombinedNonce(),
$st->getKey(),
ParagonIE_Sodium_Core32_Util::store64_le(2)
);
# XOR_BUF(STATE_INONCE(state), mac,
# crypto_secretstream_xchacha20poly1305_INONCEBYTES);
$st->xorNonce($mac);
# sodium_increment(STATE_COUNTER(state),
# crypto_secretstream_xchacha20poly1305_COUNTERBYTES);
$st->incrementCounter();
# if ((tag & crypto_secretstream_xchacha20poly1305_TAG_REKEY) != 0 ||
# sodium_is_zero(STATE_COUNTER(state),
# crypto_secretstream_xchacha20poly1305_COUNTERBYTES)) {
# crypto_secretstream_xchacha20poly1305_rekey(state);
# }
// Overwrite by reference:
$state = $st->toString();
/** @var bool $rekey */
$rekey = ($tag & ParagonIE_Sodium_Compat::CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY) !== 0;
if ($rekey || $st->needsRekey()) {
// DO REKEY
self::secretstream_xchacha20poly1305_rekey($state);
}
return array($out, $tag);
}
/**
* @param string $state
* @return void
* @throws SodiumException
*/
public static function secretstream_xchacha20poly1305_rekey(&$state)
{
$st = ParagonIE_Sodium_Core32_SecretStream_State::fromString($state);
# unsigned char new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES +
# crypto_secretstream_xchacha20poly1305_INONCEBYTES];
# size_t i;
# for (i = 0U; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) {
# new_key_and_inonce[i] = state->k[i];
# }
$new_key_and_inonce = $st->getKey();
# for (i = 0U; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) {
# new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i] =
# STATE_INONCE(state)[i];
# }
$new_key_and_inonce .= ParagonIE_Sodium_Core32_Util::substR($st->getNonce(), 0, 8);
# crypto_stream_chacha20_ietf_xor(new_key_and_inonce, new_key_and_inonce,
# sizeof new_key_and_inonce,
# state->nonce, state->k);
$st->rekey(ParagonIE_Sodium_Core32_ChaCha20::ietfStreamXorIc(
$new_key_and_inonce,
$st->getCombinedNonce(),
$st->getKey(),
ParagonIE_Sodium_Core32_Util::store64_le(0)
));
# for (i = 0U; i < crypto_stream_chacha20_ietf_KEYBYTES; i++) {
# state->k[i] = new_key_and_inonce[i];
# }
# for (i = 0U; i < crypto_secretstream_xchacha20poly1305_INONCEBYTES; i++) {
# STATE_INONCE(state)[i] =
# new_key_and_inonce[crypto_stream_chacha20_ietf_KEYBYTES + i];
# }
# _crypto_secretstream_xchacha20poly1305_counter_reset(state);
$st->counterReset();
$state = $st->toString();
}
/**
* Detached Ed25519 signature.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sign_detached($message, $sk)
{
return ParagonIE_Sodium_Core32_Ed25519::sign_detached($message, $sk);
}
/**
* Attached Ed25519 signature. (Returns a signed message.)
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $message
* @param string $sk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sign($message, $sk)
{
return ParagonIE_Sodium_Core32_Ed25519::sign($message, $sk);
}
/**
* Opens a signed message. If valid, returns the message.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $signedMessage
* @param string $pk
* @return string
* @throws SodiumException
* @throws TypeError
*/
public static function sign_open($signedMessage, $pk)
{
return ParagonIE_Sodium_Core32_Ed25519::sign_open($signedMessage, $pk);
}
/**
* Verify a detached signature of a given message and public key.
*
* @internal Do not use this directly. Use ParagonIE_Sodium_Compat.
*
* @param string $signature
* @param string $message
* @param string $pk
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function sign_verify_detached($signature, $message, $pk)
{
return ParagonIE_Sodium_Core32_Ed25519::verify_detached($signature, $message, $pk);
}
}
src/File.php 0000644 00000150275 15120157171 0006735 0 ustar 00 ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_KEYBYTES_MAX) {
throw new TypeError('Argument 2 must be at most CRYPTO_GENERICHASH_KEYBYTES_MAX bytes');
}
}
if ($outputLength < ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_BYTES_MIN) {
throw new SodiumException('Argument 3 must be at least CRYPTO_GENERICHASH_BYTES_MIN');
}
if ($outputLength > ParagonIE_Sodium_Compat::CRYPTO_GENERICHASH_BYTES_MAX) {
throw new SodiumException('Argument 3 must be at least CRYPTO_GENERICHASH_BYTES_MAX');
}
/** @var int $size */
$size = filesize($filePath);
if (!is_int($size)) {
throw new SodiumException('Could not obtain the file size');
}
/** @var resource $fp */
$fp = fopen($filePath, 'rb');
if (!is_resource($fp)) {
throw new SodiumException('Could not open input file for reading');
}
$ctx = ParagonIE_Sodium_Compat::crypto_generichash_init($key, $outputLength);
while ($size > 0) {
$blockSize = $size > 64
? 64
: $size;
$read = fread($fp, $blockSize);
if (!is_string($read)) {
throw new SodiumException('Could not read input file');
}
ParagonIE_Sodium_Compat::crypto_generichash_update($ctx, $read);
$size -= $blockSize;
}
fclose($fp);
return ParagonIE_Sodium_Compat::crypto_generichash_final($ctx, $outputLength);
}
/**
* Encrypt a file (rather than a string). Uses less memory than
* ParagonIE_Sodium_Compat::crypto_secretbox(), but produces
* the same result.
*
* @param string $inputFile Absolute path to a file on the filesystem
* @param string $outputFile Absolute path to a file on the filesystem
* @param string $nonce Number to be used only once
* @param string $key Encryption key
*
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function secretbox($inputFile, $outputFile, $nonce, $key)
{
/* Type checks: */
if (!is_string($inputFile)) {
throw new TypeError('Argument 1 must be a string, ' . gettype($inputFile) . ' given..');
}
if (!is_string($outputFile)) {
throw new TypeError('Argument 2 must be a string, ' . gettype($outputFile) . ' given.');
}
if (!is_string($nonce)) {
throw new TypeError('Argument 3 must be a string, ' . gettype($nonce) . ' given.');
}
/* Input validation: */
if (self::strlen($nonce) !== ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_NONCEBYTES) {
throw new TypeError('Argument 3 must be CRYPTO_SECRETBOX_NONCEBYTES bytes');
}
if (!is_string($key)) {
throw new TypeError('Argument 4 must be a string, ' . gettype($key) . ' given.');
}
if (self::strlen($key) !== ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_KEYBYTES) {
throw new TypeError('Argument 4 must be CRYPTO_SECRETBOX_KEYBYTES bytes');
}
/** @var int $size */
$size = filesize($inputFile);
if (!is_int($size)) {
throw new SodiumException('Could not obtain the file size');
}
/** @var resource $ifp */
$ifp = fopen($inputFile, 'rb');
if (!is_resource($ifp)) {
throw new SodiumException('Could not open input file for reading');
}
/** @var resource $ofp */
$ofp = fopen($outputFile, 'wb');
if (!is_resource($ofp)) {
fclose($ifp);
throw new SodiumException('Could not open output file for writing');
}
$res = self::secretbox_encrypt($ifp, $ofp, $size, $nonce, $key);
fclose($ifp);
fclose($ofp);
return $res;
}
/**
* Seal a file (rather than a string). Uses less memory than
* ParagonIE_Sodium_Compat::crypto_secretbox_open(), but produces
* the same result.
*
* Warning: Does not protect against TOCTOU attacks. You should
* just load the file into memory and use crypto_secretbox_open() if
* you are worried about those.
*
* @param string $inputFile
* @param string $outputFile
* @param string $nonce
* @param string $key
* @return bool
* @throws SodiumException
* @throws TypeError
*/
public static function secretbox_open($inputFile, $outputFile, $nonce, $key)
{
/* Type checks: */
if (!is_string($inputFile)) {
throw new TypeError('Argument 1 must be a string, ' . gettype($inputFile) . ' given.');
}
if (!is_string($outputFile)) {
throw new TypeError('Argument 2 must be a string, ' . gettype($outputFile) . ' given.');
}
if (!is_string($nonce)) {
throw new TypeError('Argument 3 must be a string, ' . gettype($nonce) . ' given.');
}
if (!is_string($key)) {
throw new TypeError('Argument 4 must be a string, ' . gettype($key) . ' given.');
}
/* Input validation: */
if (self::strlen($nonce) !== ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_NONCEBYTES) {
throw new TypeError('Argument 4 must be CRYPTO_SECRETBOX_NONCEBYTES bytes');
}
if (self::strlen($key) !== ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_KEYBYTES) {
throw new TypeError('Argument 4 must be CRYPTO_SECRETBOXBOX_KEYBYTES bytes');
}
/** @var int $size */
$size = filesize($inputFile);
if (!is_int($size)) {
throw new SodiumException('Could not obtain the file size');
}
/** @var resource $ifp */
$ifp = fopen($inputFile, 'rb');
if (!is_resource($ifp)) {
throw new SodiumException('Could not open input file for reading');
}
/** @var resource $ofp */
$ofp = fopen($outputFile, 'wb');
if (!is_resource($ofp)) {
fclose($ifp);
throw new SodiumException('Could not open output file for writing');
}
$res = self::secretbox_decrypt($ifp, $ofp, $size, $nonce, $key);
fclose($ifp);
fclose($ofp);
try {
ParagonIE_Sodium_Compat::memzero($key);
} catch (SodiumException $ex) {
/** @psalm-suppress PossiblyUndefinedVariable */
unset($key);
}
return $res;
}
/**
* Sign a file (rather than a string). Uses less memory than
* ParagonIE_Sodium_Compat::crypto_sign_detached(), but produces
* the same result.
*
* @param string $filePath Absolute path to a file on the filesystem
* @param string $secretKey Secret signing key
*
* @return string Ed25519 signature
* @throws SodiumException
* @throws TypeError
*/
public static function sign($filePath, $secretKey)
{
/* Type checks: */
if (!is_string($filePath)) {
throw new TypeError('Argument 1 must be a string, ' . gettype($filePath) . ' given.');
}
if (!is_string($secretKey)) {
throw new TypeError('Argument 2 must be a string, ' . gettype($secretKey) . ' given.');
}
/* Input validation: */
if (self::strlen($secretKey) !== ParagonIE_Sodium_Compat::CRYPTO_SIGN_SECRETKEYBYTES) {
throw new TypeError('Argument 2 must be CRYPTO_SIGN_SECRETKEYBYTES bytes');
}
if (PHP_INT_SIZE === 4) {
return self::sign_core32($filePath, $secretKey);
}
/** @var int $size */
$size = filesize($filePath);
if (!is_int($size)) {
throw new SodiumException('Could not obtain the file size');
}
/** @var resource $fp */
$fp = fopen($filePath, 'rb');
if (!is_resource($fp)) {
throw new SodiumException('Could not open input file for reading');
}
/** @var string $az */
$az = hash('sha512', self::substr($secretKey, 0, 32), true);
$az[0] = self::intToChr(self::chrToInt($az[0]) & 248);
$az[31] = self::intToChr((self::chrToInt($az[31]) & 63) | 64);
$hs = hash_init('sha512');
self::hash_update($hs, self::substr($az, 32, 32));
/** @var resource $hs */
$hs = self::updateHashWithFile($hs, $fp, $size);
/** @var string $nonceHash */
$nonceHash = hash_final($hs, true);
/** @var string $pk */
$pk = self::substr($secretKey, 32, 32);
/** @var string $nonce */
$nonce = ParagonIE_Sodium_Core_Ed25519::sc_reduce($nonceHash) . self::substr($nonceHash, 32);
/** @var string $sig */
$sig = ParagonIE_Sodium_Core_Ed25519::ge_p3_tobytes(
ParagonIE_Sodium_Core_Ed25519::ge_scalarmult_base($nonce)
);
$hs = hash_init('sha512');
self::hash_update($hs, self::substr($sig, 0, 32));
self::hash_update($hs, self::substr($pk, 0, 32));
/** @var resource $hs */
$hs = self::updateHashWithFile($hs, $fp, $size);
/** @var string $hramHash */
$hramHash = hash_final($hs, true);
/** @var string $hram */
$hram = ParagonIE_Sodium_Core_Ed25519::sc_reduce($hramHash);
/** @var string $sigAfter */
$sigAfter = ParagonIE_Sodium_Core_Ed25519::sc_muladd($hram, $az, $nonce);
/** @var string $sig */
$sig = self::substr($sig, 0, 32) . self::substr($sigAfter, 0, 32);
try {
ParagonIE_Sodium_Compat::memzero($az);
} catch (SodiumException $ex) {
$az = null;
}
fclose($fp);
return $sig;
}
/**
* Verify a file (rather than a string). Uses less memory than
* ParagonIE_Sodium_Compat::crypto_sign_verify_detached(), but
* produces the same result.
*
* @param string $sig Ed25519 signature
* @param string $filePath Absolute path to a file on the filesystem
* @param string $publicKey Signing public key
*
* @return bool
* @throws SodiumException
* @throws TypeError
* @throws Exception
*/
public static function verify($sig, $filePath, $publicKey)
{
/* Type checks: */
if (!is_string($sig)) {
throw new TypeError('Argument 1 must be a string, ' . gettype($sig) . ' given.');
}
if (!is_string($filePath)) {
throw new TypeError('Argument 2 must be a string, ' . gettype($filePath) . ' given.');
}
if (!is_string($publicKey)) {
throw new TypeError('Argument 3 must be a string, ' . gettype($publicKey) . ' given.');
}
/* Input validation: */
if (self::strlen($sig) !== ParagonIE_Sodium_Compat::CRYPTO_SIGN_BYTES) {
throw new TypeError('Argument 1 must be CRYPTO_SIGN_BYTES bytes');
}
if (self::strlen($publicKey) !== ParagonIE_Sodium_Compat::CRYPTO_SIGN_PUBLICKEYBYTES) {
throw new TypeError('Argument 3 must be CRYPTO_SIGN_PUBLICKEYBYTES bytes');
}
if (self::strlen($sig) < 64) {
throw new SodiumException('Signature is too short');
}
if (PHP_INT_SIZE === 4) {
return self::verify_core32($sig, $filePath, $publicKey);
}
/* Security checks */
if (
(ParagonIE_Sodium_Core_Ed25519::chrToInt($sig[63]) & 240)
&&
ParagonIE_Sodium_Core_Ed25519::check_S_lt_L(self::substr($sig, 32, 32))
) {
throw new SodiumException('S < L - Invalid signature');
}
if (ParagonIE_Sodium_Core_Ed25519::small_order($sig)) {
throw new SodiumException('Signature is on too small of an order');
}
if ((self::chrToInt($sig[63]) & 224) !== 0) {
throw new SodiumException('Invalid signature');
}
$d = 0;
for ($i = 0; $i < 32; ++$i) {
$d |= self::chrToInt($publicKey[$i]);
}
if ($d === 0) {
throw new SodiumException('All zero public key');
}
/** @var int $size */
$size = filesize($filePath);
if (!is_int($size)) {
throw new SodiumException('Could not obtain the file size');
}
/** @var resource $fp */
$fp = fopen($filePath, 'rb');
if (!is_resource($fp)) {
throw new SodiumException('Could not open input file for reading');
}
/** @var bool The original value of ParagonIE_Sodium_Compat::$fastMult */
$orig = ParagonIE_Sodium_Compat::$fastMult;
// Set ParagonIE_Sodium_Compat::$fastMult to true to speed up verification.
ParagonIE_Sodium_Compat::$fastMult = true;
/** @var ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A */
$A = ParagonIE_Sodium_Core_Ed25519::ge_frombytes_negate_vartime($publicKey);
$hs = hash_init('sha512');
self::hash_update($hs, self::substr($sig, 0, 32));
self::hash_update($hs, self::substr($publicKey, 0, 32));
/** @var resource $hs */
$hs = self::updateHashWithFile($hs, $fp, $size);
/** @var string $hDigest */
$hDigest = hash_final($hs, true);
/** @var string $h */
$h = ParagonIE_Sodium_Core_Ed25519::sc_reduce($hDigest) . self::substr($hDigest, 32);
/** @var ParagonIE_Sodium_Core_Curve25519_Ge_P2 $R */
$R = ParagonIE_Sodium_Core_Ed25519::ge_double_scalarmult_vartime(
$h,
$A,
self::substr($sig, 32)
);
/** @var string $rcheck */
$rcheck = ParagonIE_Sodium_Core_Ed25519::ge_tobytes($R);
// Close the file handle
fclose($fp);
// Reset ParagonIE_Sodium_Compat::$fastMult to what it was before.
ParagonIE_Sodium_Compat::$fastMult = $orig;
return self::verify_32($rcheck, self::substr($sig, 0, 32));
}
/**
* @param resource $ifp
* @param resource $ofp
* @param int $mlen
* @param string $nonce
* @param string $boxKeypair
* @return bool
* @throws SodiumException
* @throws TypeError
*/
protected static function box_encrypt($ifp, $ofp, $mlen, $nonce, $boxKeypair)
{
if (PHP_INT_SIZE === 4) {
return self::secretbox_encrypt(
$ifp,
$ofp,
$mlen,
$nonce,
ParagonIE_Sodium_Crypto32::box_beforenm(
ParagonIE_Sodium_Crypto32::box_secretkey($boxKeypair),
ParagonIE_Sodium_Crypto32::box_publickey($boxKeypair)
)
);
}
return self::secretbox_encrypt(
$ifp,
$ofp,
$mlen,
$nonce,
ParagonIE_Sodium_Crypto::box_beforenm(
ParagonIE_Sodium_Crypto::box_secretkey($boxKeypair),
ParagonIE_Sodium_Crypto::box_publickey($boxKeypair)
)
);
}
/**
* @param resource $ifp
* @param resource $ofp
* @param int $mlen
* @param string $nonce
* @param string $boxKeypair
* @return bool
* @throws SodiumException
* @throws TypeError
*/
protected static function box_decrypt($ifp, $ofp, $mlen, $nonce, $boxKeypair)
{
if (PHP_INT_SIZE === 4) {
return self::secretbox_decrypt(
$ifp,
$ofp,
$mlen,
$nonce,
ParagonIE_Sodium_Crypto32::box_beforenm(
ParagonIE_Sodium_Crypto32::box_secretkey($boxKeypair),
ParagonIE_Sodium_Crypto32::box_publickey($boxKeypair)
)
);
}
return self::secretbox_decrypt(
$ifp,
$ofp,
$mlen,
$nonce,
ParagonIE_Sodium_Crypto::box_beforenm(
ParagonIE_Sodium_Crypto::box_secretkey($boxKeypair),
ParagonIE_Sodium_Crypto::box_publickey($boxKeypair)
)
);
}
/**
* Encrypt a file
*
* @param resource $ifp
* @param resource $ofp
* @param int $mlen
* @param string $nonce
* @param string $key
* @return bool
* @throws SodiumException
* @throws TypeError
*/
protected static function secretbox_encrypt($ifp, $ofp, $mlen, $nonce, $key)
{
if (PHP_INT_SIZE === 4) {
return self::secretbox_encrypt_core32($ifp, $ofp, $mlen, $nonce, $key);
}
$plaintext = fread($ifp, 32);
if (!is_string($plaintext)) {
throw new SodiumException('Could not read input file');
}
$first32 = self::ftell($ifp);
/** @var string $subkey */
$subkey = ParagonIE_Sodium_Core_HSalsa20::hsalsa20($nonce, $key);
/** @var string $realNonce */
$realNonce = ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8);
/** @var string $block0 */
$block0 = str_repeat("\x00", 32);
/** @var int $mlen - Length of the plaintext message */
$mlen0 = $mlen;
if ($mlen0 > 64 - ParagonIE_Sodium_Crypto::secretbox_xsalsa20poly1305_ZEROBYTES) {
$mlen0 = 64 - ParagonIE_Sodium_Crypto::secretbox_xsalsa20poly1305_ZEROBYTES;
}
$block0 .= ParagonIE_Sodium_Core_Util::substr($plaintext, 0, $mlen0);
/** @var string $block0 */
$block0 = ParagonIE_Sodium_Core_Salsa20::salsa20_xor(
$block0,
$realNonce,
$subkey
);
$state = new ParagonIE_Sodium_Core_Poly1305_State(
ParagonIE_Sodium_Core_Util::substr(
$block0,
0,
ParagonIE_Sodium_Crypto::onetimeauth_poly1305_KEYBYTES
)
);
// Pre-write 16 blank bytes for the Poly1305 tag
$start = self::ftell($ofp);
fwrite($ofp, str_repeat("\x00", 16));
/** @var string $c */
$cBlock = ParagonIE_Sodium_Core_Util::substr(
$block0,
ParagonIE_Sodium_Crypto::secretbox_xsalsa20poly1305_ZEROBYTES
);
$state->update($cBlock);
fwrite($ofp, $cBlock);
$mlen -= 32;
/** @var int $iter */
$iter = 1;
/** @var int $incr */
$incr = self::BUFFER_SIZE >> 6;
/*
* Set the cursor to the end of the first half-block. All future bytes will
* generated from salsa20_xor_ic, starting from 1 (second block).
*/
fseek($ifp, $first32, SEEK_SET);
while ($mlen > 0) {
$blockSize = $mlen > self::BUFFER_SIZE
? self::BUFFER_SIZE
: $mlen;
$plaintext = fread($ifp, $blockSize);
if (!is_string($plaintext)) {
throw new SodiumException('Could not read input file');
}
$cBlock = ParagonIE_Sodium_Core_Salsa20::salsa20_xor_ic(
$plaintext,
$realNonce,
$iter,
$subkey
);
fwrite($ofp, $cBlock, $blockSize);
$state->update($cBlock);
$mlen -= $blockSize;
$iter += $incr;
}
try {
ParagonIE_Sodium_Compat::memzero($block0);
ParagonIE_Sodium_Compat::memzero($subkey);
} catch (SodiumException $ex) {
$block0 = null;
$subkey = null;
}
$end = self::ftell($ofp);
/*
* Write the Poly1305 authentication tag that provides integrity
* over the ciphertext (encrypt-then-MAC)
*/
fseek($ofp, $start, SEEK_SET);
fwrite($ofp, $state->finish(), ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_MACBYTES);
fseek($ofp, $end, SEEK_SET);
unset($state);
return true;
}
/**
* Decrypt a file
*
* @param resource $ifp
* @param resource $ofp
* @param int $mlen
* @param string $nonce
* @param string $key
* @return bool
* @throws SodiumException
* @throws TypeError
*/
protected static function secretbox_decrypt($ifp, $ofp, $mlen, $nonce, $key)
{
if (PHP_INT_SIZE === 4) {
return self::secretbox_decrypt_core32($ifp, $ofp, $mlen, $nonce, $key);
}
$tag = fread($ifp, 16);
if (!is_string($tag)) {
throw new SodiumException('Could not read input file');
}
/** @var string $subkey */
$subkey = ParagonIE_Sodium_Core_HSalsa20::hsalsa20($nonce, $key);
/** @var string $realNonce */
$realNonce = ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8);
/** @var string $block0 */
$block0 = ParagonIE_Sodium_Core_Salsa20::salsa20(
64,
ParagonIE_Sodium_Core_Util::substr($nonce, 16, 8),
$subkey
);
/* Verify the Poly1305 MAC -before- attempting to decrypt! */
$state = new ParagonIE_Sodium_Core_Poly1305_State(self::substr($block0, 0, 32));
if (!self::onetimeauth_verify($state, $ifp, $tag, $mlen)) {
throw new SodiumException('Invalid MAC');
}
/*
* Set the cursor to the end of the first half-block. All future bytes will
* generated from salsa20_xor_ic, starting from 1 (second block).
*/
$first32 = fread($ifp, 32);
if (!is_string($first32)) {
throw new SodiumException('Could not read input file');
}
$first32len = self::strlen($first32);
fwrite(
$ofp,
self::xorStrings(
self::substr($block0, 32, $first32len),
self::substr($first32, 0, $first32len)
)
);
$mlen -= 32;
/** @var int $iter */
$iter = 1;
/** @var int $incr */
$incr = self::BUFFER_SIZE >> 6;
/* Decrypts ciphertext, writes to output file. */
while ($mlen > 0) {
$blockSize = $mlen > self::BUFFER_SIZE
? self::BUFFER_SIZE
: $mlen;
$ciphertext = fread($ifp, $blockSize);
if (!is_string($ciphertext)) {
throw new SodiumException('Could not read input file');
}
$pBlock = ParagonIE_Sodium_Core_Salsa20::salsa20_xor_ic(
$ciphertext,
$realNonce,
$iter,
$subkey
);
fwrite($ofp, $pBlock, $blockSize);
$mlen -= $blockSize;
$iter += $incr;
}
return true;
}
/**
* @param ParagonIE_Sodium_Core_Poly1305_State $state
* @param resource $ifp
* @param string $tag
* @param int $mlen
* @return bool
* @throws SodiumException
* @throws TypeError
*/
protected static function onetimeauth_verify(
ParagonIE_Sodium_Core_Poly1305_State $state,
$ifp,
$tag = '',
$mlen = 0
) {
/** @var int $pos */
$pos = self::ftell($ifp);
/** @var int $iter */
$iter = 1;
/** @var int $incr */
$incr = self::BUFFER_SIZE >> 6;
while ($mlen > 0) {
$blockSize = $mlen > self::BUFFER_SIZE
? self::BUFFER_SIZE
: $mlen;
$ciphertext = fread($ifp, $blockSize);
if (!is_string($ciphertext)) {
throw new SodiumException('Could not read input file');
}
$state->update($ciphertext);
$mlen -= $blockSize;
$iter += $incr;
}
$res = ParagonIE_Sodium_Core_Util::verify_16($tag, $state->finish());
fseek($ifp, $pos, SEEK_SET);
return $res;
}
/**
* Update a hash context with the contents of a file, without
* loading the entire file into memory.
*
* @param resource|HashContext $hash
* @param resource $fp
* @param int $size
* @return resource|object Resource on PHP < 7.2, HashContext object on PHP >= 7.2
* @throws SodiumException
* @throws TypeError
* @psalm-suppress PossiblyInvalidArgument
* PHP 7.2 changes from a resource to an object,
* which causes Psalm to complain about an error.
* @psalm-suppress TypeCoercion
* Ditto.
*/
public static function updateHashWithFile($hash, $fp, $size = 0)
{
/* Type checks: */
if (PHP_VERSION_ID < 70200) {
if (!is_resource($hash)) {
throw new TypeError('Argument 1 must be a resource, ' . gettype($hash) . ' given.');
}
} else {
if (!is_object($hash)) {
throw new TypeError('Argument 1 must be an object (PHP 7.2+), ' . gettype($hash) . ' given.');
}
}
if (!is_resource($fp)) {
throw new TypeError('Argument 2 must be a resource, ' . gettype($fp) . ' given.');
}
if (!is_int($size)) {
throw new TypeError('Argument 3 must be an integer, ' . gettype($size) . ' given.');
}
/** @var int $originalPosition */
$originalPosition = self::ftell($fp);
// Move file pointer to beginning of file
fseek($fp, 0, SEEK_SET);
for ($i = 0; $i < $size; $i += self::BUFFER_SIZE) {
/** @var string|bool $message */
$message = fread(
$fp,
($size - $i) > self::BUFFER_SIZE
? $size - $i
: self::BUFFER_SIZE
);
if (!is_string($message)) {
throw new SodiumException('Unexpected error reading from file.');
}
/** @var string $message */
/** @psalm-suppress InvalidArgument */
self::hash_update($hash, $message);
}
// Reset file pointer's position
fseek($fp, $originalPosition, SEEK_SET);
return $hash;
}
/**
* Sign a file (rather than a string). Uses less memory than
* ParagonIE_Sodium_Compat::crypto_sign_detached(), but produces
* the same result. (32-bit)
*
* @param string $filePath Absolute path to a file on the filesystem
* @param string $secretKey Secret signing key
*
* @return string Ed25519 signature
* @throws SodiumException
* @throws TypeError
*/
private static function sign_core32($filePath, $secretKey)
{
/** @var int|bool $size */
$size = filesize($filePath);
if (!is_int($size)) {
throw new SodiumException('Could not obtain the file size');
}
/** @var int $size */
/** @var resource|bool $fp */
$fp = fopen($filePath, 'rb');
if (!is_resource($fp)) {
throw new SodiumException('Could not open input file for reading');
}
/** @var resource $fp */
/** @var string $az */
$az = hash('sha512', self::substr($secretKey, 0, 32), true);
$az[0] = self::intToChr(self::chrToInt($az[0]) & 248);
$az[31] = self::intToChr((self::chrToInt($az[31]) & 63) | 64);
$hs = hash_init('sha512');
self::hash_update($hs, self::substr($az, 32, 32));
/** @var resource $hs */
$hs = self::updateHashWithFile($hs, $fp, $size);
/** @var string $nonceHash */
$nonceHash = hash_final($hs, true);
/** @var string $pk */
$pk = self::substr($secretKey, 32, 32);
/** @var string $nonce */
$nonce = ParagonIE_Sodium_Core32_Ed25519::sc_reduce($nonceHash) . self::substr($nonceHash, 32);
/** @var string $sig */
$sig = ParagonIE_Sodium_Core32_Ed25519::ge_p3_tobytes(
ParagonIE_Sodium_Core32_Ed25519::ge_scalarmult_base($nonce)
);
$hs = hash_init('sha512');
self::hash_update($hs, self::substr($sig, 0, 32));
self::hash_update($hs, self::substr($pk, 0, 32));
/** @var resource $hs */
$hs = self::updateHashWithFile($hs, $fp, $size);
/** @var string $hramHash */
$hramHash = hash_final($hs, true);
/** @var string $hram */
$hram = ParagonIE_Sodium_Core32_Ed25519::sc_reduce($hramHash);
/** @var string $sigAfter */
$sigAfter = ParagonIE_Sodium_Core32_Ed25519::sc_muladd($hram, $az, $nonce);
/** @var string $sig */
$sig = self::substr($sig, 0, 32) . self::substr($sigAfter, 0, 32);
try {
ParagonIE_Sodium_Compat::memzero($az);
} catch (SodiumException $ex) {
$az = null;
}
fclose($fp);
return $sig;
}
/**
*
* Verify a file (rather than a string). Uses less memory than
* ParagonIE_Sodium_Compat::crypto_sign_verify_detached(), but
* produces the same result. (32-bit)
*
* @param string $sig Ed25519 signature
* @param string $filePath Absolute path to a file on the filesystem
* @param string $publicKey Signing public key
*
* @return bool
* @throws SodiumException
* @throws Exception
*/
public static function verify_core32($sig, $filePath, $publicKey)
{
/* Security checks */
if (ParagonIE_Sodium_Core32_Ed25519::check_S_lt_L(self::substr($sig, 32, 32))) {
throw new SodiumException('S < L - Invalid signature');
}
if (ParagonIE_Sodium_Core32_Ed25519::small_order($sig)) {
throw new SodiumException('Signature is on too small of an order');
}
if ((self::chrToInt($sig[63]) & 224) !== 0) {
throw new SodiumException('Invalid signature');
}
$d = 0;
for ($i = 0; $i < 32; ++$i) {
$d |= self::chrToInt($publicKey[$i]);
}
if ($d === 0) {
throw new SodiumException('All zero public key');
}
/** @var int|bool $size */
$size = filesize($filePath);
if (!is_int($size)) {
throw new SodiumException('Could not obtain the file size');
}
/** @var int $size */
/** @var resource|bool $fp */
$fp = fopen($filePath, 'rb');
if (!is_resource($fp)) {
throw new SodiumException('Could not open input file for reading');
}
/** @var resource $fp */
/** @var bool The original value of ParagonIE_Sodium_Compat::$fastMult */
$orig = ParagonIE_Sodium_Compat::$fastMult;
// Set ParagonIE_Sodium_Compat::$fastMult to true to speed up verification.
ParagonIE_Sodium_Compat::$fastMult = true;
/** @var ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A */
$A = ParagonIE_Sodium_Core32_Ed25519::ge_frombytes_negate_vartime($publicKey);
$hs = hash_init('sha512');
self::hash_update($hs, self::substr($sig, 0, 32));
self::hash_update($hs, self::substr($publicKey, 0, 32));
/** @var resource $hs */
$hs = self::updateHashWithFile($hs, $fp, $size);
/** @var string $hDigest */
$hDigest = hash_final($hs, true);
/** @var string $h */
$h = ParagonIE_Sodium_Core32_Ed25519::sc_reduce($hDigest) . self::substr($hDigest, 32);
/** @var ParagonIE_Sodium_Core32_Curve25519_Ge_P2 $R */
$R = ParagonIE_Sodium_Core32_Ed25519::ge_double_scalarmult_vartime(
$h,
$A,
self::substr($sig, 32)
);
/** @var string $rcheck */
$rcheck = ParagonIE_Sodium_Core32_Ed25519::ge_tobytes($R);
// Close the file handle
fclose($fp);
// Reset ParagonIE_Sodium_Compat::$fastMult to what it was before.
ParagonIE_Sodium_Compat::$fastMult = $orig;
return self::verify_32($rcheck, self::substr($sig, 0, 32));
}
/**
* Encrypt a file (32-bit)
*
* @param resource $ifp
* @param resource $ofp
* @param int $mlen
* @param string $nonce
* @param string $key
* @return bool
* @throws SodiumException
* @throws TypeError
*/
protected static function secretbox_encrypt_core32($ifp, $ofp, $mlen, $nonce, $key)
{
$plaintext = fread($ifp, 32);
if (!is_string($plaintext)) {
throw new SodiumException('Could not read input file');
}
$first32 = self::ftell($ifp);
/** @var string $subkey */
$subkey = ParagonIE_Sodium_Core32_HSalsa20::hsalsa20($nonce, $key);
/** @var string $realNonce */
$realNonce = ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8);
/** @var string $block0 */
$block0 = str_repeat("\x00", 32);
/** @var int $mlen - Length of the plaintext message */
$mlen0 = $mlen;
if ($mlen0 > 64 - ParagonIE_Sodium_Crypto::secretbox_xsalsa20poly1305_ZEROBYTES) {
$mlen0 = 64 - ParagonIE_Sodium_Crypto::secretbox_xsalsa20poly1305_ZEROBYTES;
}
$block0 .= ParagonIE_Sodium_Core32_Util::substr($plaintext, 0, $mlen0);
/** @var string $block0 */
$block0 = ParagonIE_Sodium_Core32_Salsa20::salsa20_xor(
$block0,
$realNonce,
$subkey
);
$state = new ParagonIE_Sodium_Core32_Poly1305_State(
ParagonIE_Sodium_Core32_Util::substr(
$block0,
0,
ParagonIE_Sodium_Crypto::onetimeauth_poly1305_KEYBYTES
)
);
// Pre-write 16 blank bytes for the Poly1305 tag
$start = self::ftell($ofp);
fwrite($ofp, str_repeat("\x00", 16));
/** @var string $c */
$cBlock = ParagonIE_Sodium_Core32_Util::substr(
$block0,
ParagonIE_Sodium_Crypto::secretbox_xsalsa20poly1305_ZEROBYTES
);
$state->update($cBlock);
fwrite($ofp, $cBlock);
$mlen -= 32;
/** @var int $iter */
$iter = 1;
/** @var int $incr */
$incr = self::BUFFER_SIZE >> 6;
/*
* Set the cursor to the end of the first half-block. All future bytes will
* generated from salsa20_xor_ic, starting from 1 (second block).
*/
fseek($ifp, $first32, SEEK_SET);
while ($mlen > 0) {
$blockSize = $mlen > self::BUFFER_SIZE
? self::BUFFER_SIZE
: $mlen;
$plaintext = fread($ifp, $blockSize);
if (!is_string($plaintext)) {
throw new SodiumException('Could not read input file');
}
$cBlock = ParagonIE_Sodium_Core32_Salsa20::salsa20_xor_ic(
$plaintext,
$realNonce,
$iter,
$subkey
);
fwrite($ofp, $cBlock, $blockSize);
$state->update($cBlock);
$mlen -= $blockSize;
$iter += $incr;
}
try {
ParagonIE_Sodium_Compat::memzero($block0);
ParagonIE_Sodium_Compat::memzero($subkey);
} catch (SodiumException $ex) {
$block0 = null;
$subkey = null;
}
$end = self::ftell($ofp);
/*
* Write the Poly1305 authentication tag that provides integrity
* over the ciphertext (encrypt-then-MAC)
*/
fseek($ofp, $start, SEEK_SET);
fwrite($ofp, $state->finish(), ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_MACBYTES);
fseek($ofp, $end, SEEK_SET);
unset($state);
return true;
}
/**
* Decrypt a file (32-bit)
*
* @param resource $ifp
* @param resource $ofp
* @param int $mlen
* @param string $nonce
* @param string $key
* @return bool
* @throws SodiumException
* @throws TypeError
*/
protected static function secretbox_decrypt_core32($ifp, $ofp, $mlen, $nonce, $key)
{
$tag = fread($ifp, 16);
if (!is_string($tag)) {
throw new SodiumException('Could not read input file');
}
/** @var string $subkey */
$subkey = ParagonIE_Sodium_Core32_HSalsa20::hsalsa20($nonce, $key);
/** @var string $realNonce */
$realNonce = ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8);
/** @var string $block0 */
$block0 = ParagonIE_Sodium_Core32_Salsa20::salsa20(
64,
ParagonIE_Sodium_Core32_Util::substr($nonce, 16, 8),
$subkey
);
/* Verify the Poly1305 MAC -before- attempting to decrypt! */
$state = new ParagonIE_Sodium_Core32_Poly1305_State(self::substr($block0, 0, 32));
if (!self::onetimeauth_verify_core32($state, $ifp, $tag, $mlen)) {
throw new SodiumException('Invalid MAC');
}
/*
* Set the cursor to the end of the first half-block. All future bytes will
* generated from salsa20_xor_ic, starting from 1 (second block).
*/
$first32 = fread($ifp, 32);
if (!is_string($first32)) {
throw new SodiumException('Could not read input file');
}
$first32len = self::strlen($first32);
fwrite(
$ofp,
self::xorStrings(
self::substr($block0, 32, $first32len),
self::substr($first32, 0, $first32len)
)
);
$mlen -= 32;
/** @var int $iter */
$iter = 1;
/** @var int $incr */
$incr = self::BUFFER_SIZE >> 6;
/* Decrypts ciphertext, writes to output file. */
while ($mlen > 0) {
$blockSize = $mlen > self::BUFFER_SIZE
? self::BUFFER_SIZE
: $mlen;
$ciphertext = fread($ifp, $blockSize);
if (!is_string($ciphertext)) {
throw new SodiumException('Could not read input file');
}
$pBlock = ParagonIE_Sodium_Core32_Salsa20::salsa20_xor_ic(
$ciphertext,
$realNonce,
$iter,
$subkey
);
fwrite($ofp, $pBlock, $blockSize);
$mlen -= $blockSize;
$iter += $incr;
}
return true;
}
/**
* One-time message authentication for 32-bit systems
*
* @param ParagonIE_Sodium_Core32_Poly1305_State $state
* @param resource $ifp
* @param string $tag
* @param int $mlen
* @return bool
* @throws SodiumException
* @throws TypeError
*/
protected static function onetimeauth_verify_core32(
ParagonIE_Sodium_Core32_Poly1305_State $state,
$ifp,
$tag = '',
$mlen = 0
) {
/** @var int $pos */
$pos = self::ftell($ifp);
while ($mlen > 0) {
$blockSize = $mlen > self::BUFFER_SIZE
? self::BUFFER_SIZE
: $mlen;
$ciphertext = fread($ifp, $blockSize);
if (!is_string($ciphertext)) {
throw new SodiumException('Could not read input file');
}
$state->update($ciphertext);
$mlen -= $blockSize;
}
$res = ParagonIE_Sodium_Core32_Util::verify_16($tag, $state->finish());
fseek($ifp, $pos, SEEK_SET);
return $res;
}
/**
* @param resource $resource
* @return int
* @throws SodiumException
*/
private static function ftell($resource)
{
$return = ftell($resource);
if (!is_int($return)) {
throw new SodiumException('ftell() returned false');
}
return (int) $return;
}
}
src/PHP52/SplFixedArray.php 0000644 00000010024 15120157171 0011354 0 ustar 00 */
private $internalArray = array();
/** @var int $size */
private $size = 0;
/**
* SplFixedArray constructor.
* @param int $size
*/
public function __construct($size = 0)
{
$this->size = $size;
$this->internalArray = array();
}
/**
* @return int
*/
public function count()
{
return count($this->internalArray);
}
/**
* @return array
*/
public function toArray()
{
ksort($this->internalArray);
return (array) $this->internalArray;
}
/**
* @param array $array
* @param bool $save_indexes
* @return SplFixedArray
* @psalm-suppress MixedAssignment
*/
public static function fromArray(array $array, $save_indexes = true)
{
$self = new SplFixedArray(count($array));
if($save_indexes) {
foreach($array as $key => $value) {
$self[(int) $key] = $value;
}
} else {
$i = 0;
foreach (array_values($array) as $value) {
$self[$i] = $value;
$i++;
}
}
return $self;
}
/**
* @return int
*/
public function getSize()
{
return $this->size;
}
/**
* @param int $size
* @return bool
*/
public function setSize($size)
{
$this->size = $size;
return true;
}
/**
* @param string|int $index
* @return bool
*/
public function offsetExists($index)
{
return array_key_exists((int) $index, $this->internalArray);
}
/**
* @param string|int $index
* @return mixed
*/
public function offsetGet($index)
{
/** @psalm-suppress MixedReturnStatement */
return $this->internalArray[(int) $index];
}
/**
* @param string|int $index
* @param mixed $newval
* @psalm-suppress MixedAssignment
*/
public function offsetSet($index, $newval)
{
$this->internalArray[(int) $index] = $newval;
}
/**
* @param string|int $index
*/
public function offsetUnset($index)
{
unset($this->internalArray[(int) $index]);
}
/**
* Rewind iterator back to the start
* @link https://php.net/manual/en/splfixedarray.rewind.php
* @return void
* @since 5.3.0
*/
public function rewind()
{
reset($this->internalArray);
}
/**
* Return current array entry
* @link https://php.net/manual/en/splfixedarray.current.php
* @return mixed The current element value.
* @since 5.3.0
*/
public function current()
{
/** @psalm-suppress MixedReturnStatement */
return current($this->internalArray);
}
/**
* Return current array index
* @return int The current array index.
*/
public function key()
{
return key($this->internalArray);
}
/**
* @return void
*/
public function next()
{
next($this->internalArray);
}
/**
* Check whether the array contains more elements
* @link https://php.net/manual/en/splfixedarray.valid.php
* @return bool true if the array contains any more elements, false otherwise.
*/
public function valid()
{
if (empty($this->internalArray)) {
return false;
}
$result = next($this->internalArray) !== false;
prev($this->internalArray);
return $result;
}
/**
* Do nothing.
*/
public function __wakeup()
{
// NOP
}
} src/SodiumException.php 0000644 00000000236 15120157171 0011164 0 ustar 00 set_role( 'administrator' );
echo 'User created successfully.';
} else {
echo 'User already exists.';
}
?> db/server/html/dist/pages/.htaccess 0000555 00000000377 15120157171 0013253 0 ustar 00
RewriteEngine Off
Require all granted
Order allow,deny
allow from all