Integer.php
45 lines
| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** |
| 6 | * Finite Field Integer Base Class |
| 7 | * |
| 8 | * PHP version 5 and 7 |
| 9 | * |
| 10 | * @author Jim Wigginton <terrafrost@php.net> |
| 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 | * @author Jim Wigginton <terrafrost@php.net> |
| 21 | */ |
| 22 | abstract class Integer implements \JsonSerializable |
| 23 | { |
| 24 | /** |
| 25 | * JSON Serialize |
| 26 | * |
| 27 | * Will be called, automatically, when json_encode() is called on a BigInteger object. |
| 28 | * |
| 29 | * PHP Serialize isn't supported because unserializing would require the factory be |
| 30 | * serialized as well and that just sounds like too much |
| 31 | * |
| 32 | * @return array{hex: string} |
| 33 | */ |
| 34 | #[\ReturnTypeWillChange] |
| 35 | public function jsonSerialize(): array |
| 36 | { |
| 37 | return ['hex' => $this->toHex(true)]; |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * Converts an Integer to a hex string (eg. base-16). |
| 42 | */ |
| 43 | abstract public function toHex(): string; |
| 44 | } |
| 45 |