[Summary view] [Print] [Text view]

   1  <?php
   2  
   3  declare(strict_types=1);
   4  
   5  /*
   6   * The MIT License (MIT)
   7   *
   8   * Copyright (c) 2014-2020 Spomky-Labs
   9   *
  10   * This software may be modified and distributed under the terms
  11   * of the MIT license.  See the LICENSE file for details.
  12   */
  13  
  14  namespace Jose\Component\Signature\Algorithm;
  15  
  16  use Jose\Component\Core\JWK;
  17  
  18  final class HS256_64 extends HMAC
  19  {
  20      public function hash(JWK $key, string $input): string
  21      {
  22          $signature = parent::hash($key, $input);
  23  
  24          return mb_substr($signature, 0, 8, '8bit');
  25      }
  26  
  27      public function name(): string
  28      {
  29          return 'HS256/64';
  30      }
  31  
  32      protected function getHashAlgorithm(): string
  33      {
  34          return 'sha256';
  35      }
  36  }