.htaccess
9 months ago
JWK.php
9 months ago
MSBLOB.php
9 months ago
OpenSSH.php
9 months ago
PKCS1.php
9 months ago
PKCS8.php
9 months ago
PSS.php
9 months ago
PuTTY.php
9 months ago
Raw.php
9 months ago
XML.php
9 months ago
index.html
9 months ago
web.config
9 months ago
PuTTY.php
112 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * PuTTY Formatted RSA Key Handler |
| 5 | * |
| 6 | * PHP version 5 |
| 7 | * |
| 8 | * @author Jim Wigginton <terrafrost@php.net> |
| 9 | * @copyright 2015 Jim Wigginton |
| 10 | * @license http://www.opensource.org/licenses/mit-license.html MIT License |
| 11 | * @link http://phpseclib.sourceforge.net |
| 12 | */ |
| 13 | |
| 14 | declare(strict_types=1); |
| 15 | |
| 16 | namespace phpseclib3\Crypt\RSA\Formats\Keys; |
| 17 | |
| 18 | use phpseclib3\Common\Functions\Strings; |
| 19 | use phpseclib3\Crypt\Common\Formats\Keys\PuTTY as Progenitor; |
| 20 | use phpseclib3\Exception\InvalidArgumentException; |
| 21 | use phpseclib3\Exception\UnexpectedValueException; |
| 22 | use phpseclib3\Math\BigInteger; |
| 23 | |
| 24 | /** |
| 25 | * PuTTY Formatted RSA Key Handler |
| 26 | * |
| 27 | * @author Jim Wigginton <terrafrost@php.net> |
| 28 | */ |
| 29 | abstract class PuTTY extends Progenitor |
| 30 | { |
| 31 | /** |
| 32 | * Public Handler |
| 33 | * |
| 34 | * @var string |
| 35 | */ |
| 36 | public const PUBLIC_HANDLER = 'phpseclib3\Crypt\RSA\Formats\Keys\OpenSSH'; |
| 37 | |
| 38 | /** |
| 39 | * Algorithm Identifier |
| 40 | * |
| 41 | * @var array |
| 42 | */ |
| 43 | protected static $types = ['ssh-rsa']; |
| 44 | |
| 45 | /** |
| 46 | * Break a public or private key down into its constituent components |
| 47 | * |
| 48 | * @param array|string $key |
| 49 | * @param string|false $password |
| 50 | * @return array|false |
| 51 | */ |
| 52 | public static function load($key, $password) |
| 53 | { |
| 54 | static $one; |
| 55 | if (!isset($one)) { |
| 56 | $one = new BigInteger(1); |
| 57 | } |
| 58 | |
| 59 | $components = parent::load($key, $password); |
| 60 | if (!isset($components['private'])) { |
| 61 | return $components; |
| 62 | } |
| 63 | extract($components); |
| 64 | unset($components['public'], $components['private']); |
| 65 | |
| 66 | $isPublicKey = false; |
| 67 | |
| 68 | $result = Strings::unpackSSH2('ii', $public); |
| 69 | if ($result === false) { |
| 70 | throw new UnexpectedValueException('Key appears to be malformed'); |
| 71 | } |
| 72 | [$publicExponent, $modulus] = $result; |
| 73 | |
| 74 | $result = Strings::unpackSSH2('iiii', $private); |
| 75 | if ($result === false) { |
| 76 | throw new UnexpectedValueException('Key appears to be malformed'); |
| 77 | } |
| 78 | $primes = $coefficients = []; |
| 79 | [$privateExponent, $primes[1], $primes[2], $coefficients[2]] = $result; |
| 80 | |
| 81 | $temp = $primes[1]->subtract($one); |
| 82 | $exponents = [1 => $publicExponent->modInverse($temp)]; |
| 83 | $temp = $primes[2]->subtract($one); |
| 84 | $exponents[] = $publicExponent->modInverse($temp); |
| 85 | |
| 86 | return compact('publicExponent', 'modulus', 'privateExponent', 'primes', 'coefficients', 'exponents', 'comment', 'isPublicKey'); |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Convert a private key to the appropriate format. |
| 91 | */ |
| 92 | public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, array $primes, array $exponents, array $coefficients, ?string $password = null, array $options = []): string |
| 93 | { |
| 94 | if (count($primes) != 2) { |
| 95 | throw new InvalidArgumentException('PuTTY does not support multi-prime RSA keys'); |
| 96 | } |
| 97 | |
| 98 | $public = Strings::packSSH2('ii', $e, $n); |
| 99 | $private = Strings::packSSH2('iiii', $d, $primes[1], $primes[2], $coefficients[2]); |
| 100 | |
| 101 | return self::wrapPrivateKey($public, $private, 'ssh-rsa', $password, $options); |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Convert a public key to the appropriate format |
| 106 | */ |
| 107 | public static function savePublicKey(BigInteger $n, BigInteger $e): string |
| 108 | { |
| 109 | return self::wrapPublicKey(Strings::packSSH2('ii', $e, $n), 'ssh-rsa'); |
| 110 | } |
| 111 | } |
| 112 |