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https://github.com/torrentpier/torrentpier-lts.git
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73 lines
2.8 KiB
PHP
73 lines
2.8 KiB
PHP
<?php
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/**
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* Zend Framework (http://framework.zend.com/)
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*
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* @link http://github.com/zendframework/zf2 for the canonical source repository
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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namespace Zend\Crypt\Key\Derivation;
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/**
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* Salted S2K key generation (OpenPGP document, RFC 2440)
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*/
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class SaltedS2k
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{
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protected static $supportedMhashAlgos = array(
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'adler32' => MHASH_ADLER32,
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'md2' => MHASH_MD2,
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'md4' => MHASH_MD4,
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'md5' => MHASH_MD5,
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'sha1' => MHASH_SHA1,
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'sha224' => MHASH_SHA224,
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'sha256' => MHASH_SHA256,
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'sha384' => MHASH_SHA384,
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'sha512' => MHASH_SHA512,
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'ripemd128' => MHASH_RIPEMD128,
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'ripemd256' => MHASH_RIPEMD256,
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'ripemd320' => MHASH_RIPEMD320,
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'haval128,3' => MHASH_HAVAL128, // @deprecated use haval128 instead
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'haval128' => MHASH_HAVAL128,
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'haval160,3' => MHASH_HAVAL160, // @deprecated use haval160 instead
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'haval160' => MHASH_HAVAL160,
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'haval192,3' => MHASH_HAVAL192, // @deprecated use haval192 instead
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'haval192' => MHASH_HAVAL192,
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'haval224,3' => MHASH_HAVAL224, // @deprecated use haval224 instead
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'haval224' => MHASH_HAVAL224,
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'haval256,3' => MHASH_HAVAL256, // @deprecated use haval256 instead
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'haval256' => MHASH_HAVAL256,
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'tiger' => MHASH_TIGER,
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'tiger128,3' => MHASH_TIGER128, // @deprecated use tiger128 instead
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'tiger128' => MHASH_TIGER128,
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'tiger160,3' => MHASH_TIGER160, // @deprecated use tiger160 instead
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'tiger160' => MHASH_TIGER160,
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'whirpool' => MHASH_WHIRLPOOL,
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'snefru256' => MHASH_SNEFRU256,
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'gost' => MHASH_GOST,
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'crc32' => MHASH_CRC32,
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'crc32b' => MHASH_CRC32B
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);
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/**
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* Generate the new key
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*
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* @param string $hash The hash algorithm to be used by HMAC
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* @param string $password The source password/key
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* @param int $bytes The output size in bytes
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* @param string $salt The salt of the algorithm
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* @throws Exception\InvalidArgumentException
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* @return string
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*/
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public static function calc($hash, $password, $salt, $bytes)
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{
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if (!in_array($hash, array_keys(static::$supportedMhashAlgos))) {
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throw new Exception\InvalidArgumentException("The hash algorithm $hash is not supported by " . __CLASS__);
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}
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if (strlen($salt)<8) {
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throw new Exception\InvalidArgumentException('The salt size must be at least of 8 bytes');
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}
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return mhash_keygen_s2k(static::$supportedMhashAlgos[$hash], $password, $salt, $bytes);
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}
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}
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