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   1  <?php
   2  
   3  /**
   4   * SpecifiedECDomain
   5   *
   6   * From: http://www.secg.org/sec1-v2.pdf#page=109
   7   *
   8   * PHP version 5
   9   *
  10   * @author    Jim Wigginton <terrafrost@php.net>
  11   * @copyright 2016 Jim Wigginton
  12   * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
  13   * @link      http://phpseclib.sourceforge.net
  14   */
  15  
  16  namespace phpseclib3\File\ASN1\Maps;
  17  
  18  use phpseclib3\File\ASN1;
  19  
  20  /**
  21   * SpecifiedECDomain
  22   *
  23   * @author  Jim Wigginton <terrafrost@php.net>
  24   */
  25  abstract class SpecifiedECDomain
  26  {
  27      const MAP = [
  28          'type' => ASN1::TYPE_SEQUENCE,
  29          'children' => [
  30              'version' => [
  31                  'type' => ASN1::TYPE_INTEGER,
  32                  'mapping' => [1 => 'ecdpVer1', 'ecdpVer2', 'ecdpVer3']
  33              ],
  34              'fieldID' => FieldID::MAP,
  35              'curve' => Curve::MAP,
  36              'base' => ECPoint::MAP,
  37              'order' => ['type' => ASN1::TYPE_INTEGER],
  38              'cofactor' => [
  39                  'type' => ASN1::TYPE_INTEGER,
  40                  'optional' => true
  41              ],
  42              'hash' => ['optional' => true] + HashAlgorithm::MAP
  43          ]
  44      ];
  45  }