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<?php
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2004 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 3.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/3_0.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Aidan Lister <aidan@php.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id: mhash.php,v 1.1 2005/05/10 07:56:44 aidan Exp $
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if (!defined('MHASH_CRC32')) {
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define('MHASH_CRC32', 0);
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}
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if (!defined('MHASH_MD5')) {
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define('MHASH_MD5', 1);
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}
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if (!defined('MHASH_SHA1')) {
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define('MHASH_SHA1', 2);
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}
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if (!defined('MHASH_HAVAL256')) {
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define('MHASH_HAVAL256', 3);
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}
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if (!defined('MHASH_RIPEMD160')) {
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define('MHASH_RIPEMD160', 5);
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}
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if (!defined('MHASH_TIGER')) {
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define('MHASH_TIGER', 7);
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}
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if (!defined('MHASH_GOST')) {
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define('MHASH_GOST', 8);
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}
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if (!defined('MHASH_CRC32B')) {
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define('MHASH_CRC32B', 9);
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}
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if (!defined('MHASH_HAVAL192')) {
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define('MHASH_HAVAL192', 11);
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}
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if (!defined('MHASH_HAVAL160')) {
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define('MHASH_HAVAL160', 12);
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}
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if (!defined('MHASH_HAVAL128')) {
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define('MHASH_HAVAL128', 13);
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}
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if (!defined('MHASH_TIGER128')) {
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define('MHASH_TIGER128', 14);
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}
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if (!defined('MHASH_TIGER160')) {
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define('MHASH_TIGER160', 15);
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}
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if (!defined('MHASH_MD4')) {
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define('MHASH_MD4', 16);
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}
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if (!defined('MHASH_SHA256')) {
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define('MHASH_SHA256', 17);
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}
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if (!defined('MHASH_ADLER32')) {
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define('MHASH_ADLER32', 18);
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}
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/**
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* Replace mhash()
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*
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* @category PHP
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* @package PHP_Compat
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* @link http://php.net/function.mhash
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* @author Aidan Lister <aidan@php.net>
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* @version $Revision: 1.1 $
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* @since PHP 4.1.0
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* @require PHP 4.0.0 (user_error)
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*/
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if (!function_exists('mhash')) {
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function mhash($hashtype, $data, $key = '')
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{
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switch ($hashtype) {
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case MHASH_MD5:
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$key = str_pad((strlen($key) > 64 ? pack("H*", md5($key)) : $key), 64, chr(0x00));
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$k_opad = $key ^ (str_pad('', 64, chr(0x5c)));
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$k_ipad = $key ^ (str_pad('', 64, chr(0x36)));
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return pack("H*", md5($k_opad . pack("H*", md5($k_ipad . $data))));
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default:
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return false;
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break;
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}
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}
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}
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?>
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