first commit

libraries/vendor/web-token/jwt-signature-algorithm-ecdsa/ECDSA.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Signature\Algorithm;
+
+use function defined;
+use function in_array;
+use InvalidArgumentException;
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\Util\ECKey;
+use Jose\Component\Core\Util\ECSignature;
+use LogicException;
+use Throwable;
+
+abstract class ECDSA implements SignatureAlgorithm
+{
+    public function __construct()
+    {
+        if (! defined('OPENSSL_KEYTYPE_EC')) {
+            throw new LogicException('Elliptic Curve key type not supported by your environment.');
+        }
+    }
+
+    public function allowedKeyTypes(): array
+    {
+        return ['EC'];
+    }
+
+    public function sign(JWK $key, string $input): string
+    {
+        $this->checkKey($key);
+        if (! $key->has('d')) {
+            throw new InvalidArgumentException('The EC key is not private');
+        }
+        $pem = ECKey::convertPrivateKeyToPEM($key);
+        openssl_sign($input, $signature, $pem, $this->getHashAlgorithm());
+
+        return ECSignature::fromAsn1($signature, $this->getSignaturePartLength());
+    }
+
+    public function verify(JWK $key, string $input, string $signature): bool
+    {
+        $this->checkKey($key);
+
+        try {
+            $der = ECSignature::toAsn1($signature, $this->getSignaturePartLength());
+            $pem = ECKey::convertPublicKeyToPEM($key);
+
+            return openssl_verify($input, $der, $pem, $this->getHashAlgorithm()) === 1;
+        } catch (Throwable) {
+            return false;
+        }
+    }
+
+    abstract protected function getHashAlgorithm(): string;
+
+    abstract protected function getSignaturePartLength(): int;
+
+    private function checkKey(JWK $key): void
+    {
+        if (! in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
+            throw new InvalidArgumentException('Wrong key type.');
+        }
+        foreach (['x', 'y', 'crv'] as $k) {
+            if (! $key->has($k)) {
+                throw new InvalidArgumentException(sprintf('The key parameter "%s" is missing.', $k));
+            }
+        }
+    }
+}

libraries/vendor/web-token/jwt-signature-algorithm-ecdsa/ES256.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Signature\Algorithm;
+
+final class ES256 extends ECDSA
+{
+    public function name(): string
+    {
+        return 'ES256';
+    }
+
+    protected function getHashAlgorithm(): string
+    {
+        return 'sha256';
+    }
+
+    protected function getSignaturePartLength(): int
+    {
+        return 64;
+    }
+}

libraries/vendor/web-token/jwt-signature-algorithm-ecdsa/ES384.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Signature\Algorithm;
+
+final class ES384 extends ECDSA
+{
+    public function name(): string
+    {
+        return 'ES384';
+    }
+
+    protected function getHashAlgorithm(): string
+    {
+        return 'sha384';
+    }
+
+    protected function getSignaturePartLength(): int
+    {
+        return 96;
+    }
+}

libraries/vendor/web-token/jwt-signature-algorithm-ecdsa/ES512.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Signature\Algorithm;
+
+final class ES512 extends ECDSA
+{
+    public function name(): string
+    {
+        return 'ES512';
+    }
+
+    protected function getHashAlgorithm(): string
+    {
+        return 'sha512';
+    }
+
+    protected function getSignaturePartLength(): int
+    {
+        return 132;
+    }
+}

libraries/vendor/web-token/jwt-signature-algorithm-ecdsa/LICENSE

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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.