backup
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src
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JetBackup
/
3rdparty
/
phpseclib3
/
Crypt
/
Common
/
Formats
/
Signature
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Raw.php
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Raw.php
58 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Raw Signature Handler |
| 5 | * |
| 6 | * PHP version 5 |
| 7 | * |
| 8 | * Handles signatures as arrays |
| 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 | declare(strict_types=1); |
| 17 | |
| 18 | namespace phpseclib3\Crypt\Common\Formats\Signature; |
| 19 | |
| 20 | use phpseclib3\Math\BigInteger; |
| 21 | |
| 22 | /** |
| 23 | * Raw Signature Handler |
| 24 | * |
| 25 | * @author Jim Wigginton <terrafrost@php.net> |
| 26 | */ |
| 27 | abstract class Raw |
| 28 | { |
| 29 | /** |
| 30 | * Loads a signature |
| 31 | * |
| 32 | * @return array|bool |
| 33 | */ |
| 34 | public static function load(array $sig) |
| 35 | { |
| 36 | switch (true) { |
| 37 | case !is_array($sig): |
| 38 | case !isset($sig['r']) || !isset($sig['s']): |
| 39 | case !$sig['r'] instanceof BigInteger: |
| 40 | case !$sig['s'] instanceof BigInteger: |
| 41 | return false; |
| 42 | } |
| 43 | |
| 44 | return [ |
| 45 | 'r' => $sig['r'], |
| 46 | 's' => $sig['s'], |
| 47 | ]; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Returns a signature in the appropriate format |
| 52 | */ |
| 53 | public static function save(BigInteger $r, BigInteger $s): string |
| 54 | { |
| 55 | return compact('r', 's'); |
| 56 | } |
| 57 | } |
| 58 |