[Summary view] [Print] [Text view]

   1  <?php
   2  
   3  /**
   4   * Finite Field Integer Base Class
   5   *
   6   * PHP version 5 and 7
   7   *
   8   * @category  Math
   9   * @package   BigInteger
  10   * @author    Jim Wigginton <[email protected]>
  11   * @copyright 2017 Jim Wigginton
  12   * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
  13   */
  14  
  15  namespace phpseclib3\Math\Common\FiniteField;
  16  
  17  /**
  18   * Finite Field Integer
  19   *
  20   * @package Math
  21   * @author  Jim Wigginton <[email protected]>
  22   * @access  public
  23   */
  24  abstract class Integer implements \JsonSerializable
  25  {
  26      /**
  27       * JSON Serialize
  28       *
  29       * Will be called, automatically, when json_encode() is called on a BigInteger object.
  30       *
  31       * PHP Serialize isn't supported because unserializing would require the factory be
  32       * serialized as well and that just sounds like too much
  33       */
  34      #[\ReturnTypeWillChange]
  35      public function jsonSerialize()
  36      {
  37          return ['hex' => $this->toHex(true)];
  38      }
  39  
  40      /**
  41       * Converts an Integer to a hex string (eg. base-16).
  42       *
  43       * @return string
  44       */
  45      abstract public function toHex();
  46  }