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tommaso
2025-06-17 11:53:18 +02:00
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21
libraries/vendor/web-token/jwt-signature-algorithm-rsa/LICENSE vendored Normal file
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The MIT License (MIT)
Copyright (c) 2014-2019 Spomky-Labs
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

18
libraries/vendor/web-token/jwt-signature-algorithm-rsa/PS256.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Jose\Component\Signature\Algorithm;
final class PS256 extends RSAPSS
{
public function name(): string
{
return 'PS256';
}
protected function getAlgorithm(): string
{
return 'sha256';
}
}

18
libraries/vendor/web-token/jwt-signature-algorithm-rsa/PS384.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Jose\Component\Signature\Algorithm;
final class PS384 extends RSAPSS
{
public function name(): string
{
return 'PS384';
}
protected function getAlgorithm(): string
{
return 'sha384';
}
}

18
libraries/vendor/web-token/jwt-signature-algorithm-rsa/PS512.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Jose\Component\Signature\Algorithm;
final class PS512 extends RSAPSS
{
public function name(): string
{
return 'PS512';
}
protected function getAlgorithm(): string
{
return 'sha512';
}
}

18
libraries/vendor/web-token/jwt-signature-algorithm-rsa/RS256.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Jose\Component\Signature\Algorithm;
final class RS256 extends RSAPKCS1
{
public function name(): string
{
return 'RS256';
}
protected function getAlgorithm(): string
{
return 'sha256';
}
}

18
libraries/vendor/web-token/jwt-signature-algorithm-rsa/RS384.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Jose\Component\Signature\Algorithm;
final class RS384 extends RSAPKCS1
{
public function name(): string
{
return 'RS384';
}
protected function getAlgorithm(): string
{
return 'sha384';
}
}

18
libraries/vendor/web-token/jwt-signature-algorithm-rsa/RS512.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Jose\Component\Signature\Algorithm;
final class RS512 extends RSAPKCS1
{
public function name(): string
{
return 'RS512';
}
protected function getAlgorithm(): string
{
return 'sha512';
}
}

58
libraries/vendor/web-token/jwt-signature-algorithm-rsa/RSAPKCS1.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Jose\Component\Signature\Algorithm;
use function in_array;
use InvalidArgumentException;
use Jose\Component\Core\JWK;
use Jose\Component\Core\Util\RSAKey;
use RuntimeException;
abstract class RSAPKCS1 implements SignatureAlgorithm
{
public function allowedKeyTypes(): array
{
return ['RSA'];
}
public function verify(JWK $key, string $input, string $signature): bool
{
$this->checkKey($key);
$pub = RSAKey::createFromJWK($key->toPublic());
return openssl_verify($input, $signature, $pub->toPEM(), $this->getAlgorithm()) === 1;
}
public function sign(JWK $key, string $input): string
{
$this->checkKey($key);
if (! $key->has('d')) {
throw new InvalidArgumentException('The key is not a private key.');
}
$priv = RSAKey::createFromJWK($key);
$result = openssl_sign($input, $signature, $priv->toPEM(), $this->getAlgorithm());
if ($result !== true) {
throw new RuntimeException('Unable to sign');
}
return $signature;
}
abstract protected function getAlgorithm(): string;
private function checkKey(JWK $key): void
{
if (! in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
throw new InvalidArgumentException('Wrong key type.');
}
foreach (['n', 'e'] as $k) {
if (! $key->has($k)) {
throw new InvalidArgumentException(sprintf('The key parameter "%s" is missing.', $k));
}
}
}
}

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libraries/vendor/web-token/jwt-signature-algorithm-rsa/RSAPSS.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Jose\Component\Signature\Algorithm;
use function in_array;
use InvalidArgumentException;
use Jose\Component\Core\JWK;
use Jose\Component\Core\Util\RSAKey;
use Jose\Component\Signature\Algorithm\Util\RSA as JoseRSA;
abstract class RSAPSS implements SignatureAlgorithm
{
public function allowedKeyTypes(): array
{
return ['RSA'];
}
public function verify(JWK $key, string $input, string $signature): bool
{
$this->checkKey($key);
$pub = RSAKey::createFromJWK($key->toPublic());
return JoseRSA::verify($pub, $input, $signature, $this->getAlgorithm(), JoseRSA::SIGNATURE_PSS);
}
/**
* @return non-empty-string
*/
public function sign(JWK $key, string $input): string
{
$this->checkKey($key);
if (! $key->has('d')) {
throw new InvalidArgumentException('The key is not a private key.');
}
$priv = RSAKey::createFromJWK($key);
return JoseRSA::sign($priv, $input, $this->getAlgorithm(), JoseRSA::SIGNATURE_PSS);
}
abstract protected function getAlgorithm(): string;
private function checkKey(JWK $key): void
{
if (! in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
throw new InvalidArgumentException('Wrong key type.');
}
foreach (['n', 'e'] as $k) {
if (! $key->has($k)) {
throw new InvalidArgumentException(sprintf('The key parameter "%s" is missing.', $k));
}
}
}
}

180
libraries/vendor/web-token/jwt-signature-algorithm-rsa/Util/RSA.php vendored Normal file
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<?php
declare(strict_types=1);
namespace Jose\Component\Signature\Algorithm\Util;
use function chr;
use InvalidArgumentException;
use Jose\Component\Core\Util\BigInteger;
use Jose\Component\Core\Util\Hash;
use Jose\Component\Core\Util\RSAKey;
use function ord;
use RuntimeException;
use const STR_PAD_LEFT;
/**
* @internal
*/
final class RSA
{
/**
* Probabilistic Signature Scheme.
*/
public const SIGNATURE_PSS = 1;
/**
* Use the PKCS#1.
*/
public const SIGNATURE_PKCS1 = 2;
/**
* @return non-empty-string
*/
public static function sign(RSAKey $key, string $message, string $hash, int $mode): string
{
switch ($mode) {
case self::SIGNATURE_PSS:
return self::signWithPSS($key, $message, $hash);
case self::SIGNATURE_PKCS1:
$result = openssl_sign($message, $signature, $key->toPEM(), $hash);
if ($result !== true) {
throw new RuntimeException('Unable to sign the data');
}
return $signature;
default:
throw new InvalidArgumentException('Unsupported mode.');
}
}
/**
* Create a signature.
*
* @return non-empty-string
*/
public static function signWithPSS(RSAKey $key, string $message, string $hash): string
{
$em = self::encodeEMSAPSS($message, 8 * $key->getModulusLength() - 1, Hash::$hash());
$message = BigInteger::createFromBinaryString($em);
$signature = RSAKey::exponentiate($key, $message);
$result = self::convertIntegerToOctetString($signature, $key->getModulusLength());
if ($result === '') {
throw new InvalidArgumentException('Invalid signature.');
}
return $result;
}
public static function verify(RSAKey $key, string $message, string $signature, string $hash, int $mode): bool
{
return match ($mode) {
self::SIGNATURE_PSS => self::verifyWithPSS($key, $message, $signature, $hash),
self::SIGNATURE_PKCS1 => openssl_verify($message, $signature, $key->toPEM(), $hash) === 1,
default => throw new InvalidArgumentException('Unsupported mode.'),
};
}
/**
* Verifies a signature.
*/
public static function verifyWithPSS(RSAKey $key, string $message, string $signature, string $hash): bool
{
if (mb_strlen($signature, '8bit') !== $key->getModulusLength()) {
throw new RuntimeException();
}
$s2 = BigInteger::createFromBinaryString($signature);
$m2 = RSAKey::exponentiate($key, $s2);
$em = self::convertIntegerToOctetString($m2, $key->getModulusLength());
$modBits = 8 * $key->getModulusLength();
return self::verifyEMSAPSS($message, $em, $modBits - 1, Hash::$hash());
}
private static function convertIntegerToOctetString(BigInteger $x, int $xLen): string
{
$x = $x->toBytes();
if (mb_strlen($x, '8bit') > $xLen) {
throw new RuntimeException();
}
return str_pad($x, $xLen, chr(0), STR_PAD_LEFT);
}
/**
* MGF1.
*/
private static function getMGF1(string $mgfSeed, int $maskLen, Hash $mgfHash): string
{
$t = '';
$count = ceil($maskLen / $mgfHash->getLength());
for ($i = 0; $i < $count; ++$i) {
$c = pack('N', $i);
$t .= $mgfHash->hash($mgfSeed . $c);
}
return mb_substr($t, 0, $maskLen, '8bit');
}
/**
* EMSA-PSS-ENCODE.
*/
private static function encodeEMSAPSS(string $message, int $modulusLength, Hash $hash): string
{
$emLen = ($modulusLength + 1) >> 3;
$sLen = $hash->getLength();
$mHash = $hash->hash($message);
if ($emLen <= $hash->getLength() + $sLen + 2) {
throw new RuntimeException();
}
$salt = random_bytes($sLen);
$m2 = "\0\0\0\0\0\0\0\0" . $mHash . $salt;
$h = $hash->hash($m2);
$ps = str_repeat(chr(0), $emLen - $sLen - $hash->getLength() - 2);
$db = $ps . chr(1) . $salt;
$dbMask = self::getMGF1($h, $emLen - $hash->getLength() - 1, $hash);
$maskedDB = $db ^ $dbMask;
$maskedDB[0] = ~chr(0xFF << ($modulusLength & 7)) & $maskedDB[0];
return $maskedDB . $h . chr(0xBC);
}
/**
* EMSA-PSS-VERIFY.
*/
private static function verifyEMSAPSS(string $m, string $em, int $emBits, Hash $hash): bool
{
$emLen = ($emBits + 1) >> 3;
$sLen = $hash->getLength();
$mHash = $hash->hash($m);
if ($emLen < $hash->getLength() + $sLen + 2) {
throw new InvalidArgumentException();
}
if ($em[mb_strlen($em, '8bit') - 1] !== chr(0xBC)) {
throw new InvalidArgumentException();
}
$maskedDB = mb_substr($em, 0, -$hash->getLength() - 1, '8bit');
$h = mb_substr($em, -$hash->getLength() - 1, $hash->getLength(), '8bit');
$temp = chr(0xFF << ($emBits & 7));
if ((~$maskedDB[0] & $temp) !== $temp) {
throw new InvalidArgumentException();
}
$dbMask = self::getMGF1($h, $emLen - $hash->getLength() - 1, $hash/*MGF*/);
$db = $maskedDB ^ $dbMask;
$db[0] = ~chr(0xFF << ($emBits & 7)) & $db[0];
$temp = $emLen - $hash->getLength() - $sLen - 2;
if (mb_substr($db, 0, $temp, '8bit') !== str_repeat(chr(0), $temp)) {
throw new InvalidArgumentException();
}
if (ord($db[$temp]) !== 1) {
throw new InvalidArgumentException();
}
$salt = mb_substr($db, $temp + 1, null, '8bit'); // should be $sLen long
$m2 = "\0\0\0\0\0\0\0\0" . $mHash . $salt;
$h2 = $hash->hash($m2);
return hash_equals($h, $h2);
}
}