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<?php
/**
* Finite Field Integer Base Class
*
* PHP version 5 and 7
*
* @author Jim Wigginton <terrafrost@php.net>
* @copyright 2017 Jim Wigginton
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
namespace phpseclib3\Math\Common\FiniteField;
/**
* Finite Field Integer
*
* @author Jim Wigginton <terrafrost@php.net>
*/
abstract class Integer implements \JsonSerializable
{
/**
* JSON Serialize
*
* Will be called, automatically, when json_encode() is called on a BigInteger object.
*
* PHP Serialize isn't supported because unserializing would require the factory be
* serialized as well and that just sounds like too much
*
* @return array{hex: string}
*/
#[\ReturnTypeWillChange]
public function jsonSerialize()
{
return ['hex' => $this->toHex(true)];
}
/**
* Converts an Integer to a hex string (eg. base-16).
*
* @return string
*/
abstract public function toHex();
}