75 lines
2.1 KiB
PHP
75 lines
2.1 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Raw DSA Key Handler
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* Reads and creates arrays as DSA keys
|
|
*
|
|
* @author Jim Wigginton <terrafrost@php.net>
|
|
* @copyright 2015 Jim Wigginton
|
|
* @license http://www.opensource.org/licenses/mit-license.html MIT License
|
|
* @link http://phpseclib.sourceforge.net
|
|
*/
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace phpseclib3\Crypt\DSA\Formats\Keys;
|
|
|
|
use phpseclib3\Math\BigInteger;
|
|
|
|
/**
|
|
* Raw DSA Key Handler
|
|
*
|
|
* @author Jim Wigginton <terrafrost@php.net>
|
|
*/
|
|
abstract class Raw
|
|
{
|
|
/**
|
|
* Break a public or private key down into its constituent components
|
|
*
|
|
* @param string|array $key
|
|
* @param string|false $password
|
|
*/
|
|
public static function load($key, $password = ''): array
|
|
{
|
|
if (!is_array($key)) {
|
|
throw new \UnexpectedValueException('Key should be a array - not a ' . gettype($key));
|
|
}
|
|
|
|
switch (true) {
|
|
case !isset($key['p']) || !isset($key['q']) || !isset($key['g']):
|
|
case !$key['p'] instanceof BigInteger:
|
|
case !$key['q'] instanceof BigInteger:
|
|
case !$key['g'] instanceof BigInteger:
|
|
case !isset($key['x']) && !isset($key['y']):
|
|
case isset($key['x']) && !$key['x'] instanceof BigInteger:
|
|
case isset($key['y']) && !$key['y'] instanceof BigInteger:
|
|
throw new \UnexpectedValueException('Key appears to be malformed');
|
|
}
|
|
|
|
$options = ['p' => 1, 'q' => 1, 'g' => 1, 'x' => 1, 'y' => 1];
|
|
|
|
return array_intersect_key($key, $options);
|
|
}
|
|
|
|
/**
|
|
* Convert a private key to the appropriate format.
|
|
*
|
|
* @param string $password optional
|
|
*/
|
|
public static function savePrivateKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, BigInteger $x, string $password = ''): string
|
|
{
|
|
return compact('p', 'q', 'g', 'y', 'x');
|
|
}
|
|
|
|
/**
|
|
* Convert a public key to the appropriate format
|
|
*/
|
|
public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y): string
|
|
{
|
|
return compact('p', 'q', 'g', 'y');
|
|
}
|
|
}
|