CryptLib/Password/Implementation/Drupal.php

   1 <?php
   2 /**
   3  * The Drupal password hashing implementation
   4  *
   5  * Use this class to generate and validate Drupal password hashes.
   6  *
   7  * PHP version 5.3
   8  *
   9  * @see        http://www.openwall.com/phpass/
  10  * @category   PHPCryptLib
  11  * @package    Password
  12  * @subpackage Implementation
  13  * @author     Anthony Ferrara <ircmaxell@ircmaxell.com>
  14  * @copyright  2011 The Authors
  15  * @license    http://www.opensource.org/licenses/mit-license.html  MIT License
  16  * @version    Build @@version@@
  17  */
  18
  19 namespace CryptLib\Password\Implementation;
  20
  21 use CryptLib\Random\Factory as RandomFactory;
  22
  23 /**
  24  * The PHPASS password hashing implementation
  25  *
  26  * Use this class to generate and validate PHPASS password hashes.
  27  *
  28  * @see        http://www.openwall.com/phpass/
  29  * @category   PHPCryptLib
  30  * @package    Password
  31  * @subpackage Implementation
  32  * @author     Anthony Ferrara <ircmaxell@ircmaxell.com>
  33  */
  34 class Drupal extends PHPASS {
  35
  36     /**
  37      * @var string The prefix for the generated hash
  38      */
  39     protected static $prefix = '$S$';
  40
  41     /**
  42      * @var string The hash function to use for this instance
  43      */
  44     protected $hashFunction = 'sha512';
  45
  46     /**
  47      * Determine if the hash was made with this method
  48      *
  49      * @param string $hash The hashed data to check
  50      *
  51      * @return boolean Was the hash created by this method
  52      */
  53     public static function detect($hash) {
  54         $prefix = preg_quote(static::$prefix, '/');
  55         return 1 == preg_match('/^'.$prefix.'[a-zA-Z0-9.\/]{95}$/', $hash);
  56     }
  57
  58 }