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   1  <?php
   2  
   3  /**
   4   * DH Public Key
   5   *
   6   * @category  Crypt
   7   * @package   DH
   8   * @author    Jim Wigginton <[email protected]>
   9   * @copyright 2015 Jim Wigginton
  10   * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
  11   * @link      http://phpseclib.sourceforge.net
  12   */
  13  
  14  namespace phpseclib3\Crypt\DH;
  15  
  16  use phpseclib3\Crypt\Common;
  17  use phpseclib3\Crypt\DH;
  18  
  19  /**
  20   * DH Public Key
  21   *
  22   * @package DH
  23   * @author  Jim Wigginton <[email protected]>
  24   * @access  public
  25   */
  26  class PublicKey extends DH
  27  {
  28      use Common\Traits\Fingerprint;
  29  
  30      /**
  31       * Returns the public key
  32       *
  33       * @param string $type
  34       * @param array $options optional
  35       * @return string
  36       */
  37      public function toString($type, array $options = [])
  38      {
  39          $type = self::validatePlugin('Keys', $type, 'savePublicKey');
  40  
  41          return $type::savePublicKey($this->prime, $this->base, $this->publicKey, $options);
  42      }
  43  
  44      /**
  45       * Returns the public key as a BigInteger
  46       *
  47       * @return \phpseclib3\Math\BigInteger
  48       */
  49      public function toBigInteger()
  50      {
  51          return $this->publicKey;
  52      }
  53  }