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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  namespace core;
  18  
  19  /**
  20   * Testable version of the encryption class - just makes it possible to unit-test protected
  21   * function.
  22   *
  23   * @package core
  24   * @copyright 2020 The Open University
  25   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  26   */
  27  class testable_encryption extends encryption {
  28      public static function get_key(?string $method = null): string {
  29          return parent::get_key($method);
  30      }
  31  }