[Sommaire] [Imprimer]

   1  <?php
   2  // +----------------------------------------------------------------------+

   3  // | PHP Version 4                                                        |

   4  // +----------------------------------------------------------------------+

   5  // | Copyright (c) 1997-2004 The PHP Group                                |

   6  // +----------------------------------------------------------------------+

   7  // | This source file is subject to version 3.0 of the PHP license,       |

   8  // | that is bundled with this package in the file LICENSE, and is        |

   9  // | available at through the world-wide-web at                           |

  10  // | http://www.php.net/license/3_0.txt.                                  |

  11  // | If you did not receive a copy of the PHP license and are unable to   |

  12  // | obtain it through the world-wide-web, please send a note to          |

  13  // | license@php.net so we can mail you a copy immediately.               |

  14  // +----------------------------------------------------------------------+

  15  // | Authors: Aidan Lister <aidan@php.net>                                |

  16  // +----------------------------------------------------------------------+

  17  //

  18  // $Id: mhash.php,v 1.1 2005/05/10 07:56:44 aidan Exp $

  19  
  20  
  21  if (!defined('MHASH_CRC32')) {
  22      define('MHASH_CRC32', 0);
  23  }
  24  
  25  if (!defined('MHASH_MD5')) {
  26      define('MHASH_MD5', 1);
  27  }
  28  
  29  if (!defined('MHASH_SHA1')) {
  30      define('MHASH_SHA1', 2);
  31  }
  32  
  33  if (!defined('MHASH_HAVAL256')) {
  34      define('MHASH_HAVAL256', 3);
  35  }
  36  
  37  if (!defined('MHASH_RIPEMD160')) {
  38      define('MHASH_RIPEMD160', 5);
  39  }
  40  
  41  if (!defined('MHASH_TIGER')) {
  42      define('MHASH_TIGER', 7);
  43  }
  44  
  45  if (!defined('MHASH_GOST')) {
  46      define('MHASH_GOST', 8);
  47  }
  48  
  49  if (!defined('MHASH_CRC32B')) {
  50      define('MHASH_CRC32B', 9);
  51  }
  52  
  53  if (!defined('MHASH_HAVAL192')) {
  54      define('MHASH_HAVAL192', 11);
  55  }
  56  
  57  if (!defined('MHASH_HAVAL160')) {
  58      define('MHASH_HAVAL160', 12);
  59  }
  60  
  61  if (!defined('MHASH_HAVAL128')) {
  62      define('MHASH_HAVAL128', 13);
  63  }
  64  
  65  if (!defined('MHASH_TIGER128')) {
  66      define('MHASH_TIGER128', 14);
  67  }
  68  
  69  if (!defined('MHASH_TIGER160')) {
  70      define('MHASH_TIGER160', 15);
  71  }
  72  
  73  if (!defined('MHASH_MD4')) {
  74      define('MHASH_MD4', 16);
  75  }
  76  
  77  if (!defined('MHASH_SHA256')) {
  78      define('MHASH_SHA256', 17);
  79  }
  80  
  81  if (!defined('MHASH_ADLER32')) {
  82      define('MHASH_ADLER32', 18);
  83  }
  84  
  85  
  86  /**

  87   * Replace mhash()

  88   *

  89   * @category    PHP

  90   * @package     PHP_Compat

  91   * @link        http://php.net/function.mhash

  92   * @author      Aidan Lister <aidan@php.net>

  93   * @version     $Revision: 1.1 $

  94   * @since       PHP 4.1.0

  95   * @require     PHP 4.0.0 (user_error)

  96   */
  97  if (!function_exists('mhash')) {
  98      function mhash($hashtype, $data, $key = '')    
  99      {
 100          switch ($hashtype) {
 101              case MHASH_MD5:
 102                  $key = str_pad((strlen($key) > 64 ? pack("H*", md5($key)) : $key), 64, chr(0x00));
 103                  $k_opad = $key ^ (str_pad('', 64, chr(0x5c)));
 104                  $k_ipad = $key ^ (str_pad('', 64, chr(0x36)));
 105                  return pack("H*", md5($k_opad . pack("H*", md5($k_ipad .  $data))));
 106  
 107              default:
 108                  return false;
 109  
 110              break;
 111          }
 112      }
 113  }
 114  
 115  ?>