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   1  <?php
   2  /**
   3   * Part of the Joomla Framework Authentication Package
   4   *
   5   * @copyright  Copyright (C) 2005 - 2021 Open Source Matters, Inc. All rights reserved.
   6   * @license    GNU General Public License version 2 or later; see LICENSE
   7   */
   8  
   9  namespace Joomla\Authentication\Password;
  10  
  11  /**
  12   * Password handler for BCrypt hashed passwords
  13   *
  14   * @since  1.2.0
  15   */
  16  class BCryptHandler implements HandlerInterface
  17  {
  18      /**
  19       * Generate a hash for a plaintext password
  20       *
  21       * @param   string  $plaintext  The plaintext password to validate
  22       * @param   array   $options    Options for the hashing operation
  23       *
  24       * @return  string
  25       *
  26       * @since   1.2.0
  27       */
  28  	public function hashPassword($plaintext, array $options = [])
  29      {
  30          return password_hash($plaintext, \PASSWORD_BCRYPT, $options);
  31      }
  32  
  33      /**
  34       * Check that the password handler is supported in this environment
  35       *
  36       * @return  boolean
  37       *
  38       * @since   1.2.0
  39       */
  40  	public static function isSupported()
  41      {
  42          // Check the password_verify() function exists, either as part of PHP core or through a polyfill
  43          return \function_exists('password_verify');
  44      }
  45  
  46      /**
  47       * Validate a password
  48       *
  49       * @param   string  $plaintext  The plain text password to validate
  50       * @param   string  $hashed     The password hash to validate against
  51       *
  52       * @return  boolean
  53       *
  54       * @since   1.2.0
  55       */
  56  	public function validatePassword($plaintext, $hashed)
  57      {
  58          return password_verify($plaintext, $hashed);
  59      }
  60  }