diff options
Diffstat (limited to 'vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/Raw.php')
| -rw-r--r-- | vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/Raw.php | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/Raw.php b/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/Raw.php new file mode 100644 index 0000000..db72878 --- /dev/null +++ b/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/Raw.php @@ -0,0 +1,184 @@ +<?php + +/** + * Raw RSA Key Handler + * + * PHP version 5 + * + * An array containing two \phpseclib3\Math\BigInteger objects. + * + * The exponent can be indexed with any of the following: + * + * 0, e, exponent, publicExponent + * + * The modulus can be indexed with any of the following: + * + * 1, n, modulo, modulus + * + * @author Jim Wigginton <[email protected]> + * @copyright 2015 Jim Wigginton + * @license http://www.opensource.org/licenses/mit-license.html MIT License + * @link http://phpseclib.sourceforge.net + */ + +namespace phpseclib3\Crypt\RSA\Formats\Keys; + +use phpseclib3\Math\BigInteger; + +/** + * Raw RSA Key Handler + * + * @author Jim Wigginton <[email protected]> + */ +abstract class Raw +{ + /** + * Break a public or private key down into its constituent components + * + * @param string $key + * @param string $password optional + * @return array + */ + public static function load($key, $password = '') + { + if (!is_array($key)) { + throw new \UnexpectedValueException('Key should be a array - not a ' . gettype($key)); + } + + $key = array_change_key_case($key, CASE_LOWER); + + $components = ['isPublicKey' => false]; + + foreach (['e', 'exponent', 'publicexponent', 0, 'privateexponent', 'd'] as $index) { + if (isset($key[$index])) { + $components['publicExponent'] = $key[$index]; + break; + } + } + + foreach (['n', 'modulo', 'modulus', 1] as $index) { + if (isset($key[$index])) { + $components['modulus'] = $key[$index]; + break; + } + } + + if (!isset($components['publicExponent']) || !isset($components['modulus'])) { + throw new \UnexpectedValueException('Modulus / exponent not present'); + } + + if (isset($key['primes'])) { + $components['primes'] = $key['primes']; + } elseif (isset($key['p']) && isset($key['q'])) { + $indices = [ + ['p', 'q'], + ['prime1', 'prime2'] + ]; + foreach ($indices as $index) { + list($i0, $i1) = $index; + if (isset($key[$i0]) && isset($key[$i1])) { + $components['primes'] = [1 => $key[$i0], $key[$i1]]; + } + } + } + + if (isset($key['exponents'])) { + $components['exponents'] = $key['exponents']; + } else { + $indices = [ + ['dp', 'dq'], + ['exponent1', 'exponent2'] + ]; + foreach ($indices as $index) { + list($i0, $i1) = $index; + if (isset($key[$i0]) && isset($key[$i1])) { + $components['exponents'] = [1 => $key[$i0], $key[$i1]]; + } + } + } + + if (isset($key['coefficients'])) { + $components['coefficients'] = $key['coefficients']; + } else { + foreach (['inverseq', 'q\'', 'coefficient'] as $index) { + if (isset($key[$index])) { + $components['coefficients'] = [2 => $key[$index]]; + } + } + } + + if (!isset($components['primes'])) { + $components['isPublicKey'] = true; + return $components; + } + + if (!isset($components['exponents'])) { + $one = new BigInteger(1); + $temp = $components['primes'][1]->subtract($one); + $exponents = [1 => $components['publicExponent']->modInverse($temp)]; + $temp = $components['primes'][2]->subtract($one); + $exponents[] = $components['publicExponent']->modInverse($temp); + $components['exponents'] = $exponents; + } + + if (!isset($components['coefficients'])) { + $components['coefficients'] = [2 => $components['primes'][2]->modInverse($components['primes'][1])]; + } + + foreach (['privateexponent', 'd'] as $index) { + if (isset($key[$index])) { + $components['privateExponent'] = $key[$index]; + break; + } + } + + return $components; + } + + /** + * Convert a private key to the appropriate format. + * + * @param \phpseclib3\Math\BigInteger $n + * @param \phpseclib3\Math\BigInteger $e + * @param \phpseclib3\Math\BigInteger $d + * @param array $primes + * @param array $exponents + * @param array $coefficients + * @param string $password optional + * @param array $options optional + * @return array + */ + public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, array $primes, array $exponents, array $coefficients, $password = '', array $options = []) + { + if (!empty($password) && is_string($password)) { + throw new UnsupportedFormatException('Raw private keys do not support encryption'); + } + + return [ + 'e' => clone $e, + 'n' => clone $n, + 'd' => clone $d, + 'primes' => array_map(function ($var) { + return clone $var; + }, $primes), + 'exponents' => array_map(function ($var) { + return clone $var; + }, $exponents), + 'coefficients' => array_map(function ($var) { + return clone $var; + }, $coefficients) + ]; + } + + /** + * Convert a public key to the appropriate format + * + * @param \phpseclib3\Math\BigInteger $n + * @param \phpseclib3\Math\BigInteger $e + * @return array + */ + public static function savePublicKey(BigInteger $n, BigInteger $e) + { + return ['e' => clone $e, 'n' => clone $n]; + } +} |