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class_password-methods-smd5.inc
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1 <?php
2 
3 /*
4  This code is part of FusionDirectory (http://www.fusiondirectory.org/)
5  Copyright (C) 2003-2010 Cajus Pollmeier
6  Copyright (C) 2011-2016 FusionDirectory
7 
8  This program is free software; you can redistribute it and/or modify
9  it under the terms of the GNU General Public License as published by
10  the Free Software Foundation; either version 2 of the License, or
11  (at your option) any later version.
12 
13  This program is distributed in the hope that it will be useful,
14  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  GNU General Public License for more details.
17 
18  You should have received a copy of the GNU General Public License
19  along with this program; if not, write to the Free Software
20  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
21 */
22 
33 {
37  function __construct()
38  {
39  }
40 
46  function is_available()
47  {
48  return function_exists('md5');
49  }
50 
56  function generate_hash($pwd)
57  {
58  mt_srand(microtime() * 10000000);
59  $salt0 = substr(pack('h*', md5(mt_rand())), 0, 8);
60  $salt = substr(pack('H*', md5($salt0 . $pwd)), 0, 4);
61  $hash = '{SMD5}'.base64_encode(pack('H*', md5($pwd . $salt)) . $salt);
62  return $hash;
63  }
64 
65  function checkPassword($pwd, $hash)
66  {
67  $hash = base64_decode(substr($hash, 6));
68  $salt = substr($hash, 16);
69  $hash = substr($hash, 0, 16);
70  $nhash = pack('H*', md5($pwd . $salt));
71  return ($nhash == $hash);
72  }
73 
77  static function get_hash_name()
78  {
79  return 'smd5';
80  }
81 }
82 ?>
static get_hash_name()
Get the hash name.
This class contains all the functions for sdm5 password methods.
generate_hash($pwd)
Generate template hash.
__construct()
passwordMethodsmd5 Constructor
This class contains all the basic function for password methods.