92 files changed, 7565 insertions, 0 deletions

diff --git a/vendor/web-token/jwt-core/Algorithm.php b/vendor/web-token/jwt-core/Algorithm.php
new file mode 100644
index 0000000..7ae0f15
--- /dev/null
+++ b/vendor/web-token/jwt-core/Algorithm.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core;
+
+interface Algorithm
+{
+    /**
+     * Returns the name of the algorithm.
+     */
+    public function name(): string;
+
+    /**
+     * Returns the key types suitable for this algorithm (e.g. "oct", "RSA"...).
+     *
+     * @return string[]
+     */
+    public function allowedKeyTypes(): array;
+}
diff --git a/vendor/web-token/jwt-core/AlgorithmManager.php b/vendor/web-token/jwt-core/AlgorithmManager.php
new file mode 100644
index 0000000..88beee4
--- /dev/null
+++ b/vendor/web-token/jwt-core/AlgorithmManager.php
@@ -0,0 +1,95 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core;
+
+class AlgorithmManager
+{
+    /**
+     * @var array
+     */
+    private $algorithms = [];
+
+    /**
+     * AlgorithmManager constructor.
+     *
+     * @param Algorithm[] $algorithms
+     */
+    public function __construct(array $algorithms)
+    {
+        foreach ($algorithms as $algorithm) {
+            $this->add($algorithm);
+        }
+    }
+
+    /**
+     * This method creates an alogithm manager using the given algorithms.
+     *
+     * @deprecated Will be removed in v2.0. Please use constructor instead
+     *
+     * @param Algorithm[] $algorithms
+     *
+     * @return AlgorithmManager
+     */
+    public static function create(array $algorithms): self
+    {
+        return new self($algorithms);
+    }
+
+    /**
+     * Returns true if the algorithm is supported.
+     *
+     * @param string $algorithm The algorithm
+     */
+    public function has(string $algorithm): bool
+    {
+        return \array_key_exists($algorithm, $this->algorithms);
+    }
+
+    /**
+     * Returns the list of names of supported algorithms.
+     *
+     * @return string[]
+     */
+    public function list(): array
+    {
+        return \array_keys($this->algorithms);
+    }
+
+    /**
+     * Returns the algorithm if supported, otherwise throw an exception.
+     *
+     * @param string $algorithm The algorithm
+     */
+    public function get(string $algorithm): Algorithm
+    {
+        if (!$this->has($algorithm)) {
+            throw new \InvalidArgumentException(\sprintf('The algorithm "%s" is not supported.', $algorithm));
+        }
+
+        return $this->algorithms[$algorithm];
+    }
+
+    /**
+     * Adds an algorithm to the manager.
+     *
+     * @return AlgorithmManager
+     */
+    private function add(Algorithm $algorithm): self
+    {
+        $name = $algorithm->name();
+        $this->algorithms[$name] = $algorithm;
+
+        return $this;
+    }
+}
diff --git a/vendor/web-token/jwt-core/AlgorithmManagerFactory.php b/vendor/web-token/jwt-core/AlgorithmManagerFactory.php
new file mode 100644
index 0000000..0526374
--- /dev/null
+++ b/vendor/web-token/jwt-core/AlgorithmManagerFactory.php
@@ -0,0 +1,77 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core;
+
+class AlgorithmManagerFactory
+{
+    /**
+     * @var array
+     */
+    private $algorithms = [];
+
+    /**
+     * Adds an algorithm.
+     *
+     * Each algorithm is identified by an alias hence it is allowed to have the same algorithm twice (or more).
+     * This can be helpful when an algorithm have several configuration options.
+     *
+     * @return AlgorithmManagerFactory
+     */
+    public function add(string $alias, Algorithm $algorithm): self
+    {
+        $this->algorithms[$alias] = $algorithm;
+
+        return $this;
+    }
+
+    /**
+     * Returns the list of aliases.
+     *
+     * @return string[]
+     */
+    public function aliases(): array
+    {
+        return \array_keys($this->algorithms);
+    }
+
+    /**
+     * Returns all algorithms supported by this factory.
+     * This is an associative array. Keys are the aliases of the algorithms.
+     *
+     * @return Algorithm[]
+     */
+    public function all(): array
+    {
+        return $this->algorithms;
+    }
+
+    /**
+     * Create an algorithm manager using the given aliases.
+     *
+     * @param string[] $aliases
+     */
+    public function create(array $aliases): AlgorithmManager
+    {
+        $algorithms = [];
+        foreach ($aliases as $alias) {
+            if (\array_key_exists($alias, $this->algorithms)) {
+                $algorithms[] = $this->algorithms[$alias];
+            } else {
+                throw new \InvalidArgumentException(\sprintf('The algorithm with the alias "%s" is not supported.', $alias));
+            }
+        }
+
+        return AlgorithmManager::create($algorithms);
+    }
+}
diff --git a/vendor/web-token/jwt-core/Converter/JsonConverter.php b/vendor/web-token/jwt-core/Converter/JsonConverter.php
new file mode 100644
index 0000000..97fe176
--- /dev/null
+++ b/vendor/web-token/jwt-core/Converter/JsonConverter.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Converter;
+
+/**
+ * @deprecated This interface is deprecated in v1.3 and will be removed in v2.0.
+ */
+interface JsonConverter
+{
+    /**
+     * Convert the payload into a string.
+     */
+    public function encode($payload): string;
+
+    /**
+     * Convert a string into payload.
+     */
+    public function decode(string $payload, bool $associativeArray = true);
+}
diff --git a/vendor/web-token/jwt-core/Converter/StandardConverter.php b/vendor/web-token/jwt-core/Converter/StandardConverter.php
new file mode 100644
index 0000000..87a45e1
--- /dev/null
+++ b/vendor/web-token/jwt-core/Converter/StandardConverter.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Converter;
+
+/**
+ * @deprecated This class is deprecated in v1.3 and will be removed in v2.0
+ */
+final class StandardConverter implements JsonConverter
+{
+    /**
+     * @var int
+     */
+    private $options;
+
+    /**
+     * @var int
+     */
+    private $depth;
+
+    /**
+     * StandardJsonEncoder constructor.
+     * See also json_encode and json_decode parameters.
+     */
+    public function __construct(int $options = JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE, int $depth = 512)
+    {
+        $this->options = $options;
+        $this->depth = $depth;
+    }
+
+    public function encode($payload): string
+    {
+        return \json_encode($payload, $this->options, $this->depth);
+    }
+
+    public function decode(string $payload, bool $associativeArray = true)
+    {
+        return \json_decode($payload, $associativeArray, $this->depth, $this->options);
+    }
+}
diff --git a/vendor/web-token/jwt-core/JWK.php b/vendor/web-token/jwt-core/JWK.php
new file mode 100644
index 0000000..c1ff481
--- /dev/null
+++ b/vendor/web-token/jwt-core/JWK.php
@@ -0,0 +1,148 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core;
+
+use Base64Url\Base64Url;
+
+class JWK implements \JsonSerializable
+{
+    /**
+     * @var array
+     */
+    private $values = [];
+
+    /**
+     * JWK constructor.
+     */
+    public function __construct(array $values)
+    {
+        if (!\array_key_exists('kty', $values)) {
+            throw new \InvalidArgumentException('The parameter "kty" is mandatory.');
+        }
+
+        $this->values = $values;
+    }
+
+    /**
+     * Creates a JWK object using the given values.
+     * The member "kty" is mandatory. Other members are NOT checked.
+     *
+     * @deprecated Will be removed in v2.0. Please use constructor instead
+     *
+     * @return JWK
+     */
+    public static function create(array $values): self
+    {
+        return new self($values);
+    }
+
+    /**
+     * Creates a JWK object using the given Json string.
+     *
+     * @return JWK
+     */
+    public static function createFromJson(string $json): self
+    {
+        $data = \json_decode($json, true);
+        if (!\is_array($data)) {
+            throw new \InvalidArgumentException('Invalid argument.');
+        }
+
+        return self::create($data);
+    }
+
+    /**
+     * Returns the values to be serialized.
+     */
+    public function jsonSerialize()
+    {
+        return $this->values;
+    }
+
+    /**
+     * Get the value with a specific key.
+     *
+     * @param string $key The key
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return mixed|null
+     */
+    public function get(string $key)
+    {
+        if (!$this->has($key)) {
+            throw new \InvalidArgumentException(\sprintf('The value identified by "%s" does not exist.', $key));
+        }
+
+        return $this->values[$key];
+    }
+
+    /**
+     * Returns true if the JWK has the value identified by.
+     *
+     * @param string $key The key
+     */
+    public function has(string $key): bool
+    {
+        return \array_key_exists($key, $this->values);
+    }
+
+    /**
+     * Get all values stored in the JWK object.
+     *
+     * @return array Values of the JWK object
+     */
+    public function all(): array
+    {
+        return $this->values;
+    }
+
+    /**
+     * Returns the thumbprint of the key.
+     *
+     * @see https://tools.ietf.org/html/rfc7638
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function thumbprint(string $hash_algorithm): string
+    {
+        if (!\in_array($hash_algorithm, \hash_algos(), true)) {
+            throw new \InvalidArgumentException(\sprintf('The hash algorithm "%s" is not supported.', $hash_algorithm));
+        }
+
+        $values = \array_intersect_key($this->values, \array_flip(['kty', 'n', 'e', 'crv', 'x', 'y', 'k']));
+        \ksort($values);
+        $input = \json_encode($values, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+
+        return Base64Url::encode(\hash($hash_algorithm, $input, true));
+    }
+
+    /**
+     * Returns the associated public key.
+     * This method has no effect for:
+     * - public keys
+     * - shared keys
+     * - unknown keys.
+     *
+     * Known keys are "oct", "RSA", "EC" and "OKP".
+     *
+     * @return JWK
+     */
+    public function toPublic(): self
+    {
+        $values = \array_diff_key($this->values, \array_flip(['p', 'd', 'q', 'dp', 'dq', 'qi']));
+
+        return new self($values);
+    }
+}
diff --git a/vendor/web-token/jwt-core/JWKSet.php b/vendor/web-token/jwt-core/JWKSet.php
new file mode 100644
index 0000000..efcd417
--- /dev/null
+++ b/vendor/web-token/jwt-core/JWKSet.php
@@ -0,0 +1,321 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core;
+
+use InvalidArgumentException;
+
+class JWKSet implements \Countable, \IteratorAggregate, \JsonSerializable
+{
+    /**
+     * @var array
+     */
+    private $keys = [];
+
+    /**
+     * JWKSet constructor.
+     *
+     * @param JWK[] $keys
+     */
+    public function __construct(array $keys)
+    {
+        foreach ($keys as $k => $key) {
+            if (!$key instanceof JWK) {
+                throw new InvalidArgumentException('Invalid list. Should only contains JWK objects');
+            }
+            if ($key->has('kid')) {
+                unset($keys[$k]);
+                $this->keys[$key->get('kid')] = $key;
+            } else {
+                $this->keys[] = $key;
+            }
+        }
+    }
+
+    /**
+     * Creates a JWKSet object using the given values.
+     *
+     * @return JWKSet
+     */
+    public static function createFromKeyData(array $data): self
+    {
+        if (!isset($data['keys'])) {
+            throw new InvalidArgumentException('Invalid data.');
+        }
+        if (!\is_array($data['keys'])) {
+            throw new InvalidArgumentException('Invalid data.');
+        }
+        $jwkset = new self([]);
+        foreach ($data['keys'] as $key) {
+            $jwk = new JWK($key);
+            if ($jwk->has('kid')) {
+                $jwkset->keys[$jwk->get('kid')] = $jwk;
+            } else {
+                $jwkset->keys[] = $jwk;
+            }
+        }
+
+        return $jwkset;
+    }
+
+    /**
+     * Creates a JWKSet object using the given JWK objects.
+     *
+     * @deprecated Will be removed in v2.0. Please use constructor instead.
+     *
+     * @param JWK[] $keys
+     *
+     * @return JWKSet
+     */
+    public static function createFromKeys(array $keys): self
+    {
+        return new self($keys);
+    }
+
+    /**
+     * Creates a JWKSet object using the given Json string.
+     *
+     * @return JWKSet
+     */
+    public static function createFromJson(string $json): self
+    {
+        $data = \json_decode($json, true);
+        if (!\is_array($data)) {
+            throw new InvalidArgumentException('Invalid argument.');
+        }
+
+        return self::createFromKeyData($data);
+    }
+
+    /**
+     * Returns an array of keys stored in the key set.
+     *
+     * @return JWK[]
+     */
+    public function all(): array
+    {
+        return $this->keys;
+    }
+
+    /**
+     * Add key to store in the key set.
+     * This method is immutable and will return a new object.
+     *
+     * @return JWKSet
+     */
+    public function with(JWK $jwk): self
+    {
+        $clone = clone $this;
+
+        if ($jwk->has('kid')) {
+            $clone->keys[$jwk->get('kid')] = $jwk;
+        } else {
+            $clone->keys[] = $jwk;
+        }
+
+        return $clone;
+    }
+
+    /**
+     * Remove key from the key set.
+     * This method is immutable and will return a new object.
+     *
+     * @param int|string $key Key to remove from the key set
+     *
+     * @return JWKSet
+     */
+    public function without($key): self
+    {
+        if (!$this->has($key)) {
+            return $this;
+        }
+
+        $clone = clone $this;
+        unset($clone->keys[$key]);
+
+        return $clone;
+    }
+
+    /**
+     * Returns true if the key set contains a key with the given index.
+     *
+     * @param int|string $index
+     */
+    public function has($index): bool
+    {
+        return \array_key_exists($index, $this->keys);
+    }
+
+    /**
+     * Returns the key with the given index. Throws an exception if the index is not present in the key store.
+     *
+     * @param int|string $index
+     */
+    public function get($index): JWK
+    {
+        if (!$this->has($index)) {
+            throw new InvalidArgumentException('Undefined index.');
+        }
+
+        return $this->keys[$index];
+    }
+
+    /**
+     * Returns the values to be serialized.
+     */
+    public function jsonSerialize(): array
+    {
+        return ['keys' => \array_values($this->keys)];
+    }
+
+    /**
+     * Returns the number of keys in the key set.
+     *
+     * @param int $mode
+     */
+    public function count($mode = COUNT_NORMAL): int
+    {
+        return \count($this->keys, $mode);
+    }
+
+    /**
+     * Try to find a key that fits on the selected requirements.
+     * Returns null if not found.
+     *
+     * @param string         $type         Must be 'sig' (signature) or 'enc' (encryption)
+     * @param Algorithm|null $algorithm    Specifies the algorithm to be used
+     * @param array          $restrictions More restrictions such as 'kid' or 'kty'
+     */
+    public function selectKey(string $type, ?Algorithm $algorithm = null, array $restrictions = []): ?JWK
+    {
+        if (!\in_array($type, ['enc', 'sig'], true)) {
+            throw new InvalidArgumentException('Allowed key types are "sig" or "enc".');
+        }
+
+        $result = [];
+        foreach ($this->keys as $key) {
+            $ind = 0;
+
+            $can_use = $this->canKeyBeUsedFor($type, $key);
+            if (false === $can_use) {
+                continue;
+            }
+            $ind += $can_use;
+
+            $alg = $this->canKeyBeUsedWithAlgorithm($algorithm, $key);
+            if (false === $alg) {
+                continue;
+            }
+            $ind += $alg;
+
+            if (false === $this->doesKeySatisfyRestrictions($restrictions, $key)) {
+                continue;
+            }
+
+            $result[] = ['key' => $key, 'ind' => $ind];
+        }
+
+        if (empty($result)) {
+            return null;
+        }
+
+        \usort($result, [$this, 'sortKeys']);
+
+        return $result[0]['key'];
+    }
+
+    /**
+     * @return bool|int
+     */
+    private function canKeyBeUsedFor(string $type, JWK $key)
+    {
+        if ($key->has('use')) {
+            return $type === $key->get('use') ? 1 : false;
+        }
+        if ($key->has('key_ops')) {
+            return $type === self::convertKeyOpsToKeyUse($key->get('use')) ? 1 : false;
+        }
+
+        return 0;
+    }
+
+    /**
+     * @return bool|int
+     */
+    private function canKeyBeUsedWithAlgorithm(?Algorithm $algorithm, JWK $key)
+    {
+        if (null === $algorithm) {
+            return 0;
+        }
+        if (!\in_array($key->get('kty'), $algorithm->allowedKeyTypes(), true)) {
+            return false;
+        }
+        if ($key->has('alg')) {
+            return $algorithm->name() === $key->get('alg') ? 2 : false;
+        }
+
+        return 1;
+    }
+
+    private function doesKeySatisfyRestrictions(array $restrictions, JWK $key): bool
+    {
+        foreach ($restrictions as $k => $v) {
+            if (!$key->has($k) || $v !== $key->get($k)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    private static function convertKeyOpsToKeyUse(string $key_ops): string
+    {
+        switch ($key_ops) {
+            case 'verify':
+            case 'sign':
+                return 'sig';
+            case 'encrypt':
+            case 'decrypt':
+            case 'wrapKey':
+            case 'unwrapKey':
+                return 'enc';
+            default:
+                throw new InvalidArgumentException(\sprintf('Unsupported key operation value "%s"', $key_ops));
+        }
+    }
+
+    /**
+     * Internal method only. Should not be used.
+     *
+     * @internal
+     * @internal
+     */
+    public static function sortKeys(array $a, array $b): int
+    {
+        if ($a['ind'] === $b['ind']) {
+            return 0;
+        }
+
+        return ($a['ind'] > $b['ind']) ? -1 : 1;
+    }
+
+    /**
+     * Internal method only. Should not be used.
+     *
+     * @internal
+     */
+    public function getIterator()
+    {
+        return new \ArrayIterator($this->keys);
+    }
+}
diff --git a/vendor/web-token/jwt-core/JWT.php b/vendor/web-token/jwt-core/JWT.php
new file mode 100644
index 0000000..b2cecf1
--- /dev/null
+++ b/vendor/web-token/jwt-core/JWT.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core;
+
+interface JWT
+{
+    /**
+     * Returns the payload of the JWT.
+     * null is a valid payload (e.g. JWS with detached payload).
+     */
+    public function getPayload(): ?string;
+}
diff --git a/vendor/web-token/jwt-core/LICENSE b/vendor/web-token/jwt-core/LICENSE
new file mode 100644
index 0000000..a098645
--- /dev/null
+++ b/vendor/web-token/jwt-core/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018 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.
diff --git a/vendor/web-token/jwt-core/Util/BigInteger.php b/vendor/web-token/jwt-core/Util/BigInteger.php
new file mode 100644
index 0000000..2513670
--- /dev/null
+++ b/vendor/web-token/jwt-core/Util/BigInteger.php
@@ -0,0 +1,232 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util;
+
+/**
+ * @internal
+ */
+class BigInteger
+{
+    /**
+     * Holds the BigInteger's value.
+     *
+     * @var \GMP
+     */
+    private $value;
+
+    private function __construct(\GMP $value)
+    {
+        $this->value = $value;
+    }
+
+    /**
+     * @return BigInteger
+     */
+    public static function createFromGMPResource(\GMP $value): self
+    {
+        return new self($value);
+    }
+
+    /**
+     * @return BigInteger
+     */
+    public static function createFromBinaryString(string $value): self
+    {
+        $value = '0x'.\unpack('H*', $value)[1];
+        $value = \gmp_init($value, 16);
+
+        return new self($value);
+    }
+
+    /**
+     * @return BigInteger
+     */
+    public static function createFromDecimal(int $value): self
+    {
+        $value = \gmp_init($value, 10);
+
+        return new self($value);
+    }
+
+    /**
+     * Converts a BigInteger to a binary string.
+     */
+    public function toBytes(): string
+    {
+        if (0 === \gmp_cmp($this->value, \gmp_init(0))) {
+            return '';
+        }
+
+        $temp = \gmp_strval(\gmp_abs($this->value), 16);
+        $temp = \mb_strlen($temp, '8bit') & 1 ? '0'.$temp : $temp;
+        $temp = \hex2bin($temp);
+
+        return \ltrim($temp, \chr(0));
+    }
+
+    /**
+     * Adds two BigIntegers.
+     *
+     *  @param BigInteger $y
+     *
+     *  @return BigInteger
+     */
+    public function add(self $y): self
+    {
+        $value = \gmp_add($this->value, $y->value);
+
+        return self::createFromGMPResource($value);
+    }
+
+    /**
+     * Subtracts two BigIntegers.
+     *
+     *  @param BigInteger $y
+     *
+     *  @return BigInteger
+     */
+    public function subtract(self $y): self
+    {
+        $value = \gmp_sub($this->value, $y->value);
+
+        return self::createFromGMPResource($value);
+    }
+
+    /**
+     * Multiplies two BigIntegers.
+     *
+     * @param BigInteger $x
+     *
+     *  @return BigInteger
+     */
+    public function multiply(self $x): self
+    {
+        $value = \gmp_mul($this->value, $x->value);
+
+        return self::createFromGMPResource($value);
+    }
+
+    /**
+     * Divides two BigIntegers.
+     *
+     * @param BigInteger $x
+     *
+     *  @return BigInteger
+     */
+    public function divide(self $x): self
+    {
+        $value = \gmp_div($this->value, $x->value);
+
+        return self::createFromGMPResource($value);
+    }
+
+    /**
+     * Performs modular exponentiation.
+     *
+     * @param BigInteger $e
+     * @param BigInteger $n
+     *
+     * @return BigInteger
+     */
+    public function modPow(self $e, self $n): self
+    {
+        $value = \gmp_powm($this->value, $e->value, $n->value);
+
+        return self::createFromGMPResource($value);
+    }
+
+    /**
+     * Performs modular exponentiation.
+     *
+     * @param BigInteger $d
+     *
+     * @return BigInteger
+     */
+    public function mod(self $d): self
+    {
+        $value = \gmp_mod($this->value, $d->value);
+
+        return self::createFromGMPResource($value);
+    }
+
+    /**
+     * Calculates modular inverses.
+     *
+     * @param BigInteger $n
+     *
+     * @return BigInteger
+     */
+    public function modInverse(self $n): self
+    {
+        $value = \gmp_invert($this->value, $n->value);
+
+        return self::createFromGMPResource($value);
+    }
+
+    /**
+     * Compares two numbers.
+     *
+     * @param BigInteger $y
+     */
+    public function compare(self $y): int
+    {
+        return \gmp_cmp($this->value, $y->value);
+    }
+
+    /**
+     * @param BigInteger $y
+     */
+    public function equals(self $y): bool
+    {
+        return 0 === $this->compare($y);
+    }
+
+    /**
+     * @param BigInteger $y
+     *
+     * @return BigInteger
+     */
+    public static function random(self $y): self
+    {
+        $zero = self::createFromDecimal(0);
+
+        return self::createFromGMPResource(\gmp_random_range($zero->value, $y->value));
+    }
+
+    /**
+     * @param BigInteger $y
+     *
+     * @return BigInteger
+     */
+    public function gcd(self $y): self
+    {
+        return self::createFromGMPResource(\gmp_gcd($this->value, $y->value));
+    }
+
+    /**
+     * @param BigInteger $y
+     */
+    public function lowerThan(self $y): bool
+    {
+        return 0 > $this->compare($y);
+    }
+
+    public function isEven(): bool
+    {
+        $zero = self::createFromDecimal(0);
+        $two = self::createFromDecimal(2);
+
+        return $this->mod($two)->equals($zero);
+    }
+}
diff --git a/vendor/web-token/jwt-core/Util/ECKey.php b/vendor/web-token/jwt-core/Util/ECKey.php
new file mode 100644
index 0000000..da409ba
--- /dev/null
+++ b/vendor/web-token/jwt-core/Util/ECKey.php
@@ -0,0 +1,306 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util;
+
+use Base64Url\Base64Url;
+use InvalidArgumentException;
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\Util\Ecc\Curve;
+use Jose\Component\Core\Util\Ecc\NistCurve;
+use RuntimeException;
+use Throwable;
+
+/**
+ * @internal
+ */
+class ECKey
+{
+    public static function convertToPEM(JWK $jwk): string
+    {
+        if ($jwk->has('d')) {
+            return self::convertPrivateKeyToPEM($jwk);
+        }
+
+        return self::convertPublicKeyToPEM($jwk);
+    }
+
+    public static function convertPublicKeyToPEM(JWK $jwk): string
+    {
+        switch ($jwk->get('crv')) {
+            case 'P-256':
+                $der = self::p256PublicKey();
+
+                break;
+            case 'P-384':
+                $der = self::p384PublicKey();
+
+                break;
+            case 'P-521':
+                $der = self::p521PublicKey();
+
+                break;
+            default:
+                throw new InvalidArgumentException('Unsupported curve.');
+        }
+        $der .= self::getKey($jwk);
+        $pem = '-----BEGIN PUBLIC KEY-----'.PHP_EOL;
+        $pem .= chunk_split(base64_encode($der), 64, PHP_EOL);
+        $pem .= '-----END PUBLIC KEY-----'.PHP_EOL;
+
+        return $pem;
+    }
+
+    public static function convertPrivateKeyToPEM(JWK $jwk): string
+    {
+        switch ($jwk->get('crv')) {
+            case 'P-256':
+                $der = self::p256PrivateKey($jwk);
+
+                break;
+            case 'P-384':
+                $der = self::p384PrivateKey($jwk);
+
+                break;
+            case 'P-521':
+                $der = self::p521PrivateKey($jwk);
+
+                break;
+            default:
+                throw new InvalidArgumentException('Unsupported curve.');
+        }
+        $der .= self::getKey($jwk);
+        $pem = '-----BEGIN EC PRIVATE KEY-----'.PHP_EOL;
+        $pem .= chunk_split(base64_encode($der), 64, PHP_EOL);
+        $pem .= '-----END EC PRIVATE KEY-----'.PHP_EOL;
+
+        return $pem;
+    }
+
+    /**
+     * Creates a EC key with the given curve and additional values.
+     *
+     * @param string $curve  The curve
+     * @param array  $values values to configure the key
+     */
+    public static function createECKey(string $curve, array $values = []): JWK
+    {
+        try {
+            $jwk = self::createECKeyUsingOpenSSL($curve);
+        } catch (Throwable $e) {
+            $jwk = self::createECKeyUsingPurePhp($curve);
+        }
+        $values = array_merge($values, $jwk);
+
+        return new JWK($values);
+    }
+
+    private static function getNistCurve(string $curve): Curve
+    {
+        switch ($curve) {
+            case 'P-256':
+                return NistCurve::curve256();
+            case 'P-384':
+                return NistCurve::curve384();
+            case 'P-521':
+                return NistCurve::curve521();
+            default:
+                throw new InvalidArgumentException(sprintf('The curve "%s" is not supported.', $curve));
+        }
+    }
+
+    private static function getNistCurveSize(string $curve): int
+    {
+        switch ($curve) {
+            case 'P-256':
+                return 256;
+            case 'P-384':
+                return 384;
+            case 'P-521':
+                return 521;
+            default:
+                throw new InvalidArgumentException(sprintf('The curve "%s" is not supported.', $curve));
+        }
+    }
+
+    private static function createECKeyUsingPurePhp(string $curve): array
+    {
+        $nistCurve = self::getNistCurve($curve);
+        $privateKey = $nistCurve->createPrivateKey();
+        $publicKey = $nistCurve->createPublicKey($privateKey);
+
+        return [
+            'kty' => 'EC',
+            'crv' => $curve,
+            'x' => Base64Url::encode(str_pad(gmp_export($publicKey->getPoint()->getX()), (int) ceil($nistCurve->getSize() / 8), "\0", STR_PAD_LEFT)),
+            'y' => Base64Url::encode(str_pad(gmp_export($publicKey->getPoint()->getY()), (int) ceil($nistCurve->getSize() / 8), "\0", STR_PAD_LEFT)),
+            'd' => Base64Url::encode(str_pad(gmp_export($privateKey->getSecret()), (int) ceil($nistCurve->getSize() / 8), "\0", STR_PAD_LEFT)),
+        ];
+    }
+
+    private static function createECKeyUsingOpenSSL(string $curve): array
+    {
+        $key = openssl_pkey_new([
+            'curve_name' => self::getOpensslCurveName($curve),
+            'private_key_type' => OPENSSL_KEYTYPE_EC,
+        ]);
+        if (false === $key) {
+            throw new RuntimeException('Unable to create the key');
+        }
+        $result = openssl_pkey_export($key, $out);
+        if (false === $result) {
+            throw new RuntimeException('Unable to create the key');
+        }
+        $res = openssl_pkey_get_private($out);
+        if (false === $res) {
+            throw new RuntimeException('Unable to create the key');
+        }
+        $details = openssl_pkey_get_details($res);
+        $nistCurveSize = self::getNistCurveSize($curve);
+
+        return [
+            'kty' => 'EC',
+            'crv' => $curve,
+            'd' => Base64Url::encode(str_pad($details['ec']['d'], (int) ceil($nistCurveSize / 8), "\0", STR_PAD_LEFT)),
+            'x' => Base64Url::encode(str_pad($details['ec']['x'], (int) ceil($nistCurveSize / 8), "\0", STR_PAD_LEFT)),
+            'y' => Base64Url::encode(str_pad($details['ec']['y'], (int) ceil($nistCurveSize / 8), "\0", STR_PAD_LEFT)),
+        ];
+    }
+
+    private static function getOpensslCurveName(string $curve): string
+    {
+        switch ($curve) {
+            case 'P-256':
+                return 'prime256v1';
+            case 'P-384':
+                return 'secp384r1';
+            case 'P-521':
+                return 'secp521r1';
+            default:
+                throw new InvalidArgumentException(sprintf('The curve "%s" is not supported.', $curve));
+        }
+    }
+
+    private static function p256PublicKey(): string
+    {
+        return pack(
+            'H*',
+            '3059' // SEQUENCE, length 89
+            .'3013' // SEQUENCE, length 19
+            .'0607' // OID, length 7
+            .'2a8648ce3d0201' // 1.2.840.10045.2.1 = EC Public Key
+            .'0608' // OID, length 8
+            .'2a8648ce3d030107' // 1.2.840.10045.3.1.7 = P-256 Curve
+            .'0342' // BIT STRING, length 66
+            .'00' // prepend with NUL - pubkey will follow
+        );
+    }
+
+    private static function p384PublicKey(): string
+    {
+        return pack(
+            'H*',
+            '3076' // SEQUENCE, length 118
+            .'3010' // SEQUENCE, length 16
+            .'0607' // OID, length 7
+            .'2a8648ce3d0201' // 1.2.840.10045.2.1 = EC Public Key
+            .'0605' // OID, length 5
+            .'2b81040022' // 1.3.132.0.34 = P-384 Curve
+            .'0362' // BIT STRING, length 98
+            .'00' // prepend with NUL - pubkey will follow
+        );
+    }
+
+    private static function p521PublicKey(): string
+    {
+        return pack(
+            'H*',
+            '30819b' // SEQUENCE, length 154
+            .'3010' // SEQUENCE, length 16
+            .'0607' // OID, length 7
+            .'2a8648ce3d0201' // 1.2.840.10045.2.1 = EC Public Key
+            .'0605' // OID, length 5
+            .'2b81040023' // 1.3.132.0.35 = P-521 Curve
+            .'038186' // BIT STRING, length 134
+            .'00' // prepend with NUL - pubkey will follow
+        );
+    }
+
+    private static function p256PrivateKey(JWK $jwk): string
+    {
+        $d = unpack('H*', str_pad(Base64Url::decode($jwk->get('d')), 32, "\0", STR_PAD_LEFT))[1];
+
+        return pack(
+            'H*',
+            '3077' // SEQUENCE, length 87+length($d)=32
+            .'020101' // INTEGER, 1
+            .'0420'   // OCTET STRING, length($d) = 32
+            .$d
+            .'a00a' // TAGGED OBJECT #0, length 10
+            .'0608' // OID, length 8
+            .'2a8648ce3d030107' // 1.3.132.0.34 = P-384 Curve
+            .'a144' //  TAGGED OBJECT #1, length 68
+            .'0342' // BIT STRING, length 66
+            .'00' // prepend with NUL - pubkey will follow
+        );
+    }
+
+    private static function p384PrivateKey(JWK $jwk): string
+    {
+        $d = unpack('H*', str_pad(Base64Url::decode($jwk->get('d')), 48, "\0", STR_PAD_LEFT))[1];
+
+        return pack(
+            'H*',
+            '3081a4' // SEQUENCE, length 116 + length($d)=48
+            .'020101' // INTEGER, 1
+            .'0430'   // OCTET STRING, length($d) = 30
+            .$d
+            .'a007' // TAGGED OBJECT #0, length 7
+            .'0605' // OID, length 5
+            .'2b81040022' // 1.3.132.0.34 = P-384 Curve
+            .'a164' //  TAGGED OBJECT #1, length 100
+            .'0362' // BIT STRING, length 98
+            .'00' // prepend with NUL - pubkey will follow
+        );
+    }
+
+    private static function p521PrivateKey(JWK $jwk): string
+    {
+        $d = unpack('H*', str_pad(Base64Url::decode($jwk->get('d')), 66, "\0", STR_PAD_LEFT))[1];
+
+        return pack(
+            'H*',
+            '3081dc' // SEQUENCE, length 154 + length($d)=66
+            .'020101' // INTEGER, 1
+            .'0442'   // OCTET STRING, length(d) = 66
+            .$d
+            .'a007' // TAGGED OBJECT #0, length 7
+            .'0605' // OID, length 5
+            .'2b81040023' // 1.3.132.0.35 = P-521 Curve
+            .'a18189' //  TAGGED OBJECT #1, length 137
+            .'038186' // BIT STRING, length 134
+            .'00' // prepend with NUL - pubkey will follow
+        );
+    }
+
+    private static function getKey(JWK $jwk): string
+    {
+        $nistCurveSize = self::getNistCurveSize($jwk->get('crv'));
+        $length = (int) ceil($nistCurveSize / 8);
+
+        return
+            "\04"
+            .str_pad(Base64Url::decode($jwk->get('x')), $length, "\0", STR_PAD_LEFT)
+            .str_pad(Base64Url::decode($jwk->get('y')), $length, "\0", STR_PAD_LEFT);
+    }
+}
diff --git a/vendor/web-token/jwt-core/Util/ECSignature.php b/vendor/web-token/jwt-core/Util/ECSignature.php
new file mode 100644
index 0000000..5bfa5b0
--- /dev/null
+++ b/vendor/web-token/jwt-core/Util/ECSignature.php
@@ -0,0 +1,93 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util;
+
+/**
+ * @internal
+ */
+class ECSignature
+{
+    public static function toDER(string $signature, int $partLength): string
+    {
+        $signature = \unpack('H*', $signature)[1];
+        if (\mb_strlen($signature, '8bit') !== 2 * $partLength) {
+            throw new \InvalidArgumentException('Invalid length.');
+        }
+        $R = \mb_substr($signature, 0, $partLength, '8bit');
+        $S = \mb_substr($signature, $partLength, null, '8bit');
+
+        $R = self::preparePositiveInteger($R);
+        $Rl = \mb_strlen($R, '8bit') / 2;
+        $S = self::preparePositiveInteger($S);
+        $Sl = \mb_strlen($S, '8bit') / 2;
+        $der = \pack('H*',
+            '30'.($Rl + $Sl + 4 > 128 ? '81' : '').\dechex($Rl + $Sl + 4)
+            .'02'.\dechex($Rl).$R
+            .'02'.\dechex($Sl).$S
+        );
+
+        return $der;
+    }
+
+    public static function fromDER(string $der, int $partLength): string
+    {
+        $hex = \unpack('H*', $der)[1];
+        if ('30' !== \mb_substr($hex, 0, 2, '8bit')) { // SEQUENCE
+            throw new \RuntimeException();
+        }
+        if ('81' === \mb_substr($hex, 2, 2, '8bit')) { // LENGTH > 128
+            $hex = \mb_substr($hex, 6, null, '8bit');
+        } else {
+            $hex = \mb_substr($hex, 4, null, '8bit');
+        }
+        if ('02' !== \mb_substr($hex, 0, 2, '8bit')) { // INTEGER
+            throw new \RuntimeException();
+        }
+
+        $Rl = \hexdec(\mb_substr($hex, 2, 2, '8bit'));
+        $R = self::retrievePositiveInteger(\mb_substr($hex, 4, $Rl * 2, '8bit'));
+        $R = \str_pad($R, $partLength, '0', STR_PAD_LEFT);
+
+        $hex = \mb_substr($hex, 4 + $Rl * 2, null, '8bit');
+        if ('02' !== \mb_substr($hex, 0, 2, '8bit')) { // INTEGER
+            throw new \RuntimeException();
+        }
+        $Sl = \hexdec(\mb_substr($hex, 2, 2, '8bit'));
+        $S = self::retrievePositiveInteger(\mb_substr($hex, 4, $Sl * 2, '8bit'));
+        $S = \str_pad($S, $partLength, '0', STR_PAD_LEFT);
+
+        return \pack('H*', $R.$S);
+    }
+
+    private static function preparePositiveInteger(string $data): string
+    {
+        if (\mb_substr($data, 0, 2, '8bit') > '7f') {
+            return '00'.$data;
+        }
+        while ('00' === \mb_substr($data, 0, 2, '8bit') && \mb_substr($data, 2, 2, '8bit') <= '7f') {
+            $data = \mb_substr($data, 2, null, '8bit');
+        }
+
+        return $data;
+    }
+
+    private static function retrievePositiveInteger(string $data): string
+    {
+        while ('00' === \mb_substr($data, 0, 2, '8bit') && \mb_substr($data, 2, 2, '8bit') > '7f') {
+            $data = \mb_substr($data, 2, null, '8bit');
+        }
+
+        return $data;
+    }
+}
diff --git a/vendor/web-token/jwt-core/Util/Hash.php b/vendor/web-token/jwt-core/Util/Hash.php
new file mode 100644
index 0000000..105c865
--- /dev/null
+++ b/vendor/web-token/jwt-core/Util/Hash.php
@@ -0,0 +1,90 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util;
+
+/**
+ * @internal
+ */
+class Hash
+{
+    /**
+     * Hash Parameter.
+     *
+     * @var string
+     */
+    private $hash;
+
+    /**
+     * Hash Length.
+     *
+     * @var int
+     */
+    private $length;
+
+    /**
+     * @return Hash
+     */
+    public static function sha1(): self
+    {
+        return new self('sha1', 20);
+    }
+
+    /**
+     * @return Hash
+     */
+    public static function sha256(): self
+    {
+        return new self('sha256', 32);
+    }
+
+    /**
+     * @return Hash
+     */
+    public static function sha384(): self
+    {
+        return new self('sha384', 48);
+    }
+
+    /**
+     * @return Hash
+     */
+    public static function sha512(): self
+    {
+        return new self('sha512', 64);
+    }
+
+    private function __construct(string $hash, int $length)
+    {
+        $this->hash = $hash;
+        $this->length = $length;
+    }
+
+    public function getLength(): int
+    {
+        return $this->length;
+    }
+
+    /**
+     * Compute the HMAC.
+     */
+    public function hash(string $text): string
+    {
+        return \hash($this->hash, $text, true);
+    }
+
+    public function name(): string
+    {
+        return $this->hash;
+    }
+}
diff --git a/vendor/web-token/jwt-core/Util/JsonConverter.php b/vendor/web-token/jwt-core/Util/JsonConverter.php
new file mode 100644
index 0000000..ef95126
--- /dev/null
+++ b/vendor/web-token/jwt-core/Util/JsonConverter.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util;
+
+final class JsonConverter
+{
+    public static function encode($payload): string
+    {
+        return \json_encode($payload, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+    }
+
+    public static function decode(string $payload)
+    {
+        return \json_decode($payload, true, 512, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+    }
+}
diff --git a/vendor/web-token/jwt-core/Util/KeyChecker.php b/vendor/web-token/jwt-core/Util/KeyChecker.php
new file mode 100644
index 0000000..09385a4
--- /dev/null
+++ b/vendor/web-token/jwt-core/Util/KeyChecker.php
@@ -0,0 +1,107 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util;
+
+use Jose\Component\Core\JWK;
+
+/**
+ * @internal
+ */
+class KeyChecker
+{
+    /**
+     * @throws \InvalidArgumentException
+     */
+    public static function checkKeyUsage(JWK $key, string $usage): bool
+    {
+        if ($key->has('use')) {
+            return self::checkUsage($key, $usage);
+        }
+        if ($key->has('key_ops')) {
+            return self::checkOperation($key, $usage);
+        }
+
+        return true;
+    }
+
+    private static function checkOperation(JWK $key, string $usage): bool
+    {
+        $ops = $key->get('key_ops');
+        if (!\is_array($ops)) {
+            $ops = [$ops];
+        }
+        switch ($usage) {
+            case 'verification':
+                if (!\in_array('verify', $ops, true)) {
+                    throw new \InvalidArgumentException('Key cannot be used to verify a signature');
+                }
+
+                return true;
+            case 'signature':
+                if (!\in_array('sign', $ops, true)) {
+                    throw new \InvalidArgumentException('Key cannot be used to sign');
+                }
+
+                return true;
+            case 'encryption':
+                if (!\in_array('encrypt', $ops, true) && !\in_array('wrapKey', $ops, true)) {
+                    throw new \InvalidArgumentException('Key cannot be used to encrypt');
+                }
+
+                return true;
+            case 'decryption':
+                if (!\in_array('decrypt', $ops, true) && !\in_array('unwrapKey', $ops, true)) {
+                    throw new \InvalidArgumentException('Key cannot be used to decrypt');
+                }
+
+                return true;
+            default:
+                throw new \InvalidArgumentException('Unsupported key usage.');
+        }
+    }
+
+    private static function checkUsage(JWK $key, string $usage): bool
+    {
+        $use = $key->get('use');
+        switch ($usage) {
+            case 'verification':
+            case 'signature':
+                if ('sig' !== $use) {
+                    throw new \InvalidArgumentException('Key cannot be used to sign or verify a signature.');
+                }
+
+                return true;
+            case 'encryption':
+            case 'decryption':
+                if ('enc' !== $use) {
+                    throw new \InvalidArgumentException('Key cannot be used to encrypt or decrypt.');
+                }
+
+                return true;
+            default:
+                throw new \InvalidArgumentException('Unsupported key usage.');
+        }
+    }
+
+    public static function checkKeyAlgorithm(JWK $key, string $algorithm)
+    {
+        if (!$key->has('alg')) {
+            return;
+        }
+
+        if ($key->get('alg') !== $algorithm) {
+            throw new \InvalidArgumentException(\sprintf('Key is only allowed for algorithm "%s".', $key->get('alg')));
+        }
+    }
+}
diff --git a/vendor/web-token/jwt-core/Util/RSAKey.php b/vendor/web-token/jwt-core/Util/RSAKey.php
new file mode 100644
index 0000000..3670034
--- /dev/null
+++ b/vendor/web-token/jwt-core/Util/RSAKey.php
@@ -0,0 +1,322 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util;
+
+use Base64Url\Base64Url;
+use FG\ASN1\Universal\BitString;
+use FG\ASN1\Universal\Integer;
+use FG\ASN1\Universal\NullObject;
+use FG\ASN1\Universal\ObjectIdentifier;
+use FG\ASN1\Universal\OctetString;
+use FG\ASN1\Universal\Sequence;
+use Jose\Component\Core\JWK;
+
+/**
+ * @internal
+ */
+class RSAKey
+{
+    /**
+     * @var Sequence
+     */
+    private $sequence;
+
+    /**
+     * @var bool
+     */
+    private $private = false;
+
+    /**
+     * @var array
+     */
+    private $values = [];
+
+    /**
+     * @var BigInteger
+     */
+    private $modulus;
+
+    /**
+     * @var int
+     */
+    private $modulus_length;
+
+    /**
+     * @var BigInteger
+     */
+    private $public_exponent;
+
+    /**
+     * @var BigInteger|null
+     */
+    private $private_exponent = null;
+
+    /**
+     * @var BigInteger[]
+     */
+    private $primes = [];
+
+    /**
+     * @var BigInteger[]
+     */
+    private $exponents = [];
+
+    /**
+     * @var BigInteger|null
+     */
+    private $coefficient = null;
+
+    private function __construct(JWK $data)
+    {
+        $this->loadJWK($data->all());
+        $this->populateBigIntegers();
+        $this->private = \array_key_exists('d', $this->values);
+    }
+
+    /**
+     * @return RSAKey
+     */
+    public static function createFromJWK(JWK $jwk): self
+    {
+        return new self($jwk);
+    }
+
+    public function getModulus(): BigInteger
+    {
+        return $this->modulus;
+    }
+
+    public function getModulusLength(): int
+    {
+        return $this->modulus_length;
+    }
+
+    public function getExponent(): BigInteger
+    {
+        $d = $this->getPrivateExponent();
+        if (null !== $d) {
+            return $d;
+        }
+
+        return $this->getPublicExponent();
+    }
+
+    public function getPublicExponent(): BigInteger
+    {
+        return $this->public_exponent;
+    }
+
+    public function getPrivateExponent(): ?BigInteger
+    {
+        return $this->private_exponent;
+    }
+
+    /**
+     * @return BigInteger[]
+     */
+    public function getPrimes(): array
+    {
+        return $this->primes;
+    }
+
+    /**
+     * @return BigInteger[]
+     */
+    public function getExponents(): array
+    {
+        return $this->exponents;
+    }
+
+    public function getCoefficient(): ?BigInteger
+    {
+        return $this->coefficient;
+    }
+
+    public function isPublic(): bool
+    {
+        return !\array_key_exists('d', $this->values);
+    }
+
+    /**
+     * @param RSAKey $private
+     *
+     * @return RSAKey
+     */
+    public static function toPublic(self $private): self
+    {
+        $data = $private->toArray();
+        $keys = ['p', 'd', 'q', 'dp', 'dq', 'qi'];
+        foreach ($keys as $key) {
+            if (\array_key_exists($key, $data)) {
+                unset($data[$key]);
+            }
+        }
+
+        return new self(new JWK($data));
+    }
+
+    public function toArray(): array
+    {
+        return $this->values;
+    }
+
+    private function loadJWK(array $jwk)
+    {
+        if (!\array_key_exists('kty', $jwk)) {
+            throw new \InvalidArgumentException('The key parameter "kty" is missing.');
+        }
+        if ('RSA' !== $jwk['kty']) {
+            throw new \InvalidArgumentException('The JWK is not a RSA key.');
+        }
+
+        $this->values = $jwk;
+    }
+
+    private function populateBigIntegers()
+    {
+        $this->modulus = $this->convertBase64StringToBigInteger($this->values['n']);
+        $this->modulus_length = \mb_strlen($this->getModulus()->toBytes(), '8bit');
+        $this->public_exponent = $this->convertBase64StringToBigInteger($this->values['e']);
+
+        if (!$this->isPublic()) {
+            $this->private_exponent = $this->convertBase64StringToBigInteger($this->values['d']);
+
+            if (\array_key_exists('p', $this->values) && \array_key_exists('q', $this->values)) {
+                $this->primes = [
+                    $this->convertBase64StringToBigInteger($this->values['p']),
+                    $this->convertBase64StringToBigInteger($this->values['q']),
+                ];
+                if (\array_key_exists('dp', $this->values) && \array_key_exists('dq', $this->values) && \array_key_exists('qi', $this->values)) {
+                    $this->exponents = [
+                        $this->convertBase64StringToBigInteger($this->values['dp']),
+                        $this->convertBase64StringToBigInteger($this->values['dq']),
+                    ];
+                    $this->coefficient = $this->convertBase64StringToBigInteger($this->values['qi']);
+                }
+            }
+        }
+    }
+
+    private function convertBase64StringToBigInteger(string $value): BigInteger
+    {
+        return BigInteger::createFromBinaryString(Base64Url::decode($value));
+    }
+
+    /**
+     * @throws \Exception
+     */
+    public function toPEM(): string
+    {
+        if (null === $this->sequence) {
+            $this->sequence = new Sequence();
+            if (\array_key_exists('d', $this->values)) {
+                $this->initPrivateKey();
+            } else {
+                $this->initPublicKey();
+            }
+        }
+        $result = '-----BEGIN '.($this->private ? 'RSA PRIVATE' : 'PUBLIC').' KEY-----'.PHP_EOL;
+        $result .= \chunk_split(\base64_encode($this->sequence->getBinary()), 64, PHP_EOL);
+        $result .= '-----END '.($this->private ? 'RSA PRIVATE' : 'PUBLIC').' KEY-----'.PHP_EOL;
+
+        return $result;
+    }
+
+    /**
+     * @throws \Exception
+     */
+    private function initPublicKey()
+    {
+        $oid_sequence = new Sequence();
+        $oid_sequence->addChild(new ObjectIdentifier('1.2.840.113549.1.1.1'));
+        $oid_sequence->addChild(new NullObject());
+        $this->sequence->addChild($oid_sequence);
+        $n = new Integer($this->fromBase64ToInteger($this->values['n']));
+        $e = new Integer($this->fromBase64ToInteger($this->values['e']));
+        $key_sequence = new Sequence();
+        $key_sequence->addChild($n);
+        $key_sequence->addChild($e);
+        $key_bit_string = new BitString(\bin2hex($key_sequence->getBinary()));
+        $this->sequence->addChild($key_bit_string);
+    }
+
+    private function initPrivateKey()
+    {
+        $this->sequence->addChild(new Integer(0));
+        $oid_sequence = new Sequence();
+        $oid_sequence->addChild(new ObjectIdentifier('1.2.840.113549.1.1.1'));
+        $oid_sequence->addChild(new NullObject());
+        $this->sequence->addChild($oid_sequence);
+        $v = new Integer(0);
+        $n = new Integer($this->fromBase64ToInteger($this->values['n']));
+        $e = new Integer($this->fromBase64ToInteger($this->values['e']));
+        $d = new Integer($this->fromBase64ToInteger($this->values['d']));
+        $p = new Integer($this->fromBase64ToInteger($this->values['p']));
+        $q = new Integer($this->fromBase64ToInteger($this->values['q']));
+        $dp = \array_key_exists('dp', $this->values) ? new Integer($this->fromBase64ToInteger($this->values['dp'])) : new Integer(0);
+        $dq = \array_key_exists('dq', $this->values) ? new Integer($this->fromBase64ToInteger($this->values['dq'])) : new Integer(0);
+        $qi = \array_key_exists('qi', $this->values) ? new Integer($this->fromBase64ToInteger($this->values['qi'])) : new Integer(0);
+        $key_sequence = new Sequence();
+        $key_sequence->addChild($v);
+        $key_sequence->addChild($n);
+        $key_sequence->addChild($e);
+        $key_sequence->addChild($d);
+        $key_sequence->addChild($p);
+        $key_sequence->addChild($q);
+        $key_sequence->addChild($dp);
+        $key_sequence->addChild($dq);
+        $key_sequence->addChild($qi);
+        $key_octet_string = new OctetString(\bin2hex($key_sequence->getBinary()));
+        $this->sequence->addChild($key_octet_string);
+    }
+
+    /**
+     * @param string $value
+     *
+     * @return string
+     */
+    private function fromBase64ToInteger($value)
+    {
+        return \gmp_strval(\gmp_init(\current(\unpack('H*', Base64Url::decode($value))), 16), 10);
+    }
+
+    /**
+     * Exponentiate with or without Chinese Remainder Theorem.
+     * Operation with primes 'p' and 'q' is appox. 2x faster.
+     *
+     * @param RSAKey $key
+     */
+    public static function exponentiate(self $key, BigInteger $c): BigInteger
+    {
+        if ($c->compare(BigInteger::createFromDecimal(0)) < 0 || $c->compare($key->getModulus()) > 0) {
+            throw new \RuntimeException();
+        }
+        if ($key->isPublic() || empty($key->getPrimes()) || empty($key->getExponents()) || null === $key->getCoefficient()) {
+            return $c->modPow($key->getExponent(), $key->getModulus());
+        }
+
+        $p = $key->getPrimes()[0];
+        $q = $key->getPrimes()[1];
+        $dP = $key->getExponents()[0];
+        $dQ = $key->getExponents()[1];
+        $qInv = $key->getCoefficient();
+
+        $m1 = $c->modPow($dP, $p);
+        $m2 = $c->modPow($dQ, $q);
+        $h = $qInv->multiply($m1->subtract($m2)->add($p))->mod($p);
+        $m = $m2->add($h->multiply($q));
+
+        return $m;
+    }
+}
diff --git a/vendor/web-token/jwt-core/composer.json b/vendor/web-token/jwt-core/composer.json
new file mode 100644
index 0000000..37c4ce0
--- /dev/null
+++ b/vendor/web-token/jwt-core/composer.json
@@ -0,0 +1,44 @@
+{
+    "name": "web-token/jwt-core",
+    "description": "Core component of the JWT Framework.",
+    "type": "library",
+    "license": "MIT",
+    "keywords": ["JWS", "JWT", "JWE", "JWA", "JWK", "JWKSet", "Jot", "Jose", "RFC7515", "RFC7516", "RFC7517", "RFC7518", "RFC7519", "RFC7520", "Bundle", "Symfony"],
+    "homepage": "https://github.com/web-token",
+    "authors": [
+        {
+            "name": "Florent Morselli",
+            "homepage": "https://github.com/Spomky"
+        },{
+            "name": "All contributors",
+            "homepage": "https://github.com/web-token/jwt-core/contributors"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Jose\\Component\\Core\\":  ""
+        }
+    },
+    "require": {
+        "php": "^7.1",
+        "ext-gmp": "*",
+        "ext-mbstring": "*",
+        "fgrosse/phpasn1": "^2.0",
+        "spomky-labs/base64url": "^1.0|^2.0",
+        "web-token/jwt-util-ecc": "^1.3"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^6.0|^7.0"
+    },
+    "conflict": {
+        "spomky-labs/jose": "*"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.3.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/JKUFactory.php b/vendor/web-token/jwt-key-mgmt/JKUFactory.php
new file mode 100644
index 0000000..16d24bc
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/JKUFactory.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement;
+
+use Http\Client\HttpClient;
+use Http\Message\RequestFactory;
+use Jose\Component\Core\Converter\JsonConverter;
+use Jose\Component\Core\JWKSet;
+
+class JKUFactory extends UrlKeySetFactory
+{
+    private $jsonConverter;
+
+    /**
+     * JKUFactory constructor.
+     */
+    public function __construct(?JsonConverter $jsonConverter, HttpClient $client, RequestFactory $requestFactory)
+    {
+        parent::__construct($client, $requestFactory);
+        $this->jsonConverter = $jsonConverter ?? new \Jose\Component\Core\Util\JsonConverter();
+    }
+
+    /**
+     * This method will try to fetch the url a retrieve the key set.
+     * Throws an exception in case of failure.
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function loadFromUrl(string $url, array $header = []): JWKSet
+    {
+        $content = $this->getContent($url, $header);
+        $data = $this->jsonConverter->decode($content);
+        if (!\is_array($data)) {
+            throw new \RuntimeException('Invalid content.');
+        }
+
+        return JWKSet::createFromKeyData($data);
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/JWKFactory.php b/vendor/web-token/jwt-key-mgmt/JWKFactory.php
new file mode 100644
index 0000000..3748938
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/JWKFactory.php
@@ -0,0 +1,304 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement;
+
+use Base64Url\Base64Url;
+use InvalidArgumentException;
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\JWKSet;
+use Jose\Component\Core\Util\Ecc\Curve;
+use Jose\Component\Core\Util\ECKey;
+use Jose\Component\KeyManagement\KeyConverter\KeyConverter;
+use Jose\Component\KeyManagement\KeyConverter\RSAKey;
+use function openssl_pkey_get_details;
+use function openssl_pkey_new;
+use RuntimeException;
+
+class JWKFactory
+{
+    /**
+     * Creates a RSA key with the given key size and additional values.
+     *
+     * @param int   $size   The key size in bits
+     * @param array $values values to configure the key
+     */
+    public static function createRSAKey(int $size, array $values = []): JWK
+    {
+        if (0 !== $size % 8) {
+            throw new InvalidArgumentException('Invalid key size.');
+        }
+
+        if (512 > $size) {
+            throw new InvalidArgumentException('Key length is too short. It needs to be at least 512 bits.');
+        }
+
+        $key = openssl_pkey_new([
+            'private_key_bits' => $size,
+            'private_key_type' => OPENSSL_KEYTYPE_RSA,
+        ]);
+        $details = openssl_pkey_get_details($key);
+        \openssl_free_key($key);
+        $rsa = RSAKey::createFromKeyDetails($details['rsa']);
+        $values = \array_merge(
+            $values,
+            $rsa->toArray()
+        );
+
+        return new JWK($values);
+    }
+
+    /**
+     * Creates a EC key with the given curve and additional values.
+     *
+     * @param string $curve  The curve
+     * @param array  $values values to configure the key
+     */
+    public static function createECKey(string $curve, array $values = []): JWK
+    {
+        return ECKey::createECKey($curve, $values);
+    }
+
+    /**
+     * Creates a octet key with the given key size and additional values.
+     *
+     * @param int   $size   The key size in bits
+     * @param array $values values to configure the key
+     */
+    public static function createOctKey(int $size, array $values = []): JWK
+    {
+        if (0 !== $size % 8) {
+            throw new InvalidArgumentException('Invalid key size.');
+        }
+        $values = \array_merge(
+            $values,
+            [
+                'kty' => 'oct',
+                'k' => Base64Url::encode(\random_bytes($size / 8)),
+            ]
+        );
+
+        return new JWK($values);
+    }
+
+    /**
+     * Creates a OKP key with the given curve and additional values.
+     *
+     * @param string $curve  The curve
+     * @param array  $values values to configure the key
+     */
+    public static function createOKPKey(string $curve, array $values = []): JWK
+    {
+        switch ($curve) {
+            case 'X25519':
+                $keyPair = \sodium_crypto_box_keypair();
+                $secret = \sodium_crypto_box_secretkey($keyPair);
+                $x = \sodium_crypto_box_publickey($keyPair);
+
+                break;
+            case 'Ed25519':
+                $keyPair = \sodium_crypto_sign_keypair();
+                $secret = \sodium_crypto_sign_secretkey($keyPair);
+                $x = \sodium_crypto_sign_publickey($keyPair);
+
+                break;
+            default:
+                throw new InvalidArgumentException(\sprintf('Unsupported "%s" curve', $curve));
+        }
+        $secretLength = mb_strlen($secret, '8bit');
+        $d = mb_substr($secret, 0, -$secretLength / 2, '8bit');
+
+        $values = \array_merge(
+            $values,
+            [
+                'kty' => 'OKP',
+                'crv' => $curve,
+                'd' => Base64Url::encode($d),
+                'x' => Base64Url::encode($x),
+            ]
+        );
+
+        return new JWK($values);
+    }
+
+    /**
+     * Creates a none key with the given additional values.
+     * Please note that this key type is not pat of any specification.
+     * It is used to prevent the use of the "none" algorithm with other key types.
+     *
+     * @param array $values values to configure the key
+     */
+    public static function createNoneKey(array $values = []): JWK
+    {
+        $values = \array_merge(
+            $values,
+            [
+                'kty' => 'none',
+                'alg' => 'none',
+                'use' => 'sig',
+            ]
+        );
+
+        return new JWK($values);
+    }
+
+    /**
+     * Creates a key from a Json string.
+     *
+     * @return JWK|JWKSet
+     */
+    public static function createFromJsonObject(string $value)
+    {
+        $json = \json_decode($value, true);
+        if (!\is_array($json)) {
+            throw new InvalidArgumentException('Invalid key or key set.');
+        }
+
+        return self::createFromValues($json);
+    }
+
+    /**
+     * Creates a key or key set from the given input.
+     *
+     * @return JWK|JWKSet
+     */
+    public static function createFromValues(array $values)
+    {
+        if (\array_key_exists('keys', $values) && \is_array($values['keys'])) {
+            return JWKSet::createFromKeyData($values);
+        }
+
+        return new JWK($values);
+    }
+
+    /**
+     * This method create a JWK object using a shared secret.
+     */
+    public static function createFromSecret(string $secret, array $additional_values = []): JWK
+    {
+        $values = \array_merge(
+            $additional_values,
+            [
+                'kty' => 'oct',
+                'k' => Base64Url::encode($secret),
+            ]
+        );
+
+        return new JWK($values);
+    }
+
+    /**
+     * This method will try to load a X.509 certificate and convert it into a public key.
+     */
+    public static function createFromCertificateFile(string $file, array $additional_values = []): JWK
+    {
+        $values = KeyConverter::loadKeyFromCertificateFile($file);
+        $values = \array_merge($values, $additional_values);
+
+        return new JWK($values);
+    }
+
+    /**
+     * Extract a keyfrom a key set identified by the given index .
+     *
+     * @param int|string $index
+     */
+    public static function createFromKeySet(JWKSet $jwkset, $index): JWK
+    {
+        return $jwkset->get($index);
+    }
+
+    /**
+     * This method will try to load a PKCS#12 file and convert it into a public key.
+     *
+     * @throws \Exception
+     */
+    public static function createFromPKCS12CertificateFile(string $file, ?string $secret = '', array $additional_values = []): JWK
+    {
+        $res = \openssl_pkcs12_read(\file_get_contents($file), $certs, $secret);
+        if (false === $res || !\is_array($certs) || !\array_key_exists('pkey', $certs)) {
+            throw new RuntimeException('Unable to load the certificates.');
+        }
+
+        return self::createFromKey($certs['pkey'], null, $additional_values);
+    }
+
+    /**
+     * This method will try to convert a X.509 certificate into a public key.
+     */
+    public static function createFromCertificate(string $certificate, array $additional_values = []): JWK
+    {
+        $values = KeyConverter::loadKeyFromCertificate($certificate);
+        $values = \array_merge($values, $additional_values);
+
+        return new JWK($values);
+    }
+
+    /**
+     * This method will try to convert a X.509 certificate resource into a public key.
+     *
+     * @param resource $res
+     *
+     * @throws \Exception
+     */
+    public static function createFromX509Resource($res, array $additional_values = []): JWK
+    {
+        $values = KeyConverter::loadKeyFromX509Resource($res);
+        $values = \array_merge($values, $additional_values);
+
+        return new JWK($values);
+    }
+
+    /**
+     * This method will try to load and convert a key file into a JWK object.
+     * If the key is encrypted, the password must be set.
+     *
+     * @throws \Exception
+     */
+    public static function createFromKeyFile(string $file, ?string $password = null, array $additional_values = []): JWK
+    {
+        $values = KeyConverter::loadFromKeyFile($file, $password);
+        $values = \array_merge($values, $additional_values);
+
+        return new JWK($values);
+    }
+
+    /**
+     * This method will try to load and convert a key into a JWK object.
+     * If the key is encrypted, the password must be set.
+     *
+     * @throws \Exception
+     */
+    public static function createFromKey(string $key, ?string $password = null, array $additional_values = []): JWK
+    {
+        $values = KeyConverter::loadFromKey($key, $password);
+        $values = \array_merge($values, $additional_values);
+
+        return new JWK($values);
+    }
+
+    /**
+     * This method will try to load and convert a X.509 certificate chain into a public key.
+     *
+     * Be careful! The certificate chain is loaded, but it is NOT VERIFIED by any mean!
+     * It is mandatory to verify the root CA or intermediate  CA are trusted.
+     * If not done, it may lead to potential security issues.
+     */
+    public static function createFromX5C(array $x5c, array $additional_values = []): JWK
+    {
+        $values = KeyConverter::loadFromX5C($x5c);
+        $values = \array_merge($values, $additional_values);
+
+        return new JWK($values);
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/AlgorithmAnalyzer.php b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/AlgorithmAnalyzer.php
new file mode 100644
index 0000000..a7ebcad
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/AlgorithmAnalyzer.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyAnalyzer;
+
+use Jose\Component\Core\JWK;
+
+final class AlgorithmAnalyzer implements KeyAnalyzer
+{
+    public function analyze(JWK $jwk, MessageBag $bag)
+    {
+        if (!$jwk->has('alg')) {
+            $bag->add(Message::medium('The parameter "alg" should be added.'));
+        }
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/KeyAnalyzer.php b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/KeyAnalyzer.php
new file mode 100644
index 0000000..470b788
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/KeyAnalyzer.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyAnalyzer;
+
+use Jose\Component\Core\JWK;
+
+interface KeyAnalyzer
+{
+    /**
+     * This method will analyse the key and add messages to the message bag if needed.
+     */
+    public function analyze(JWK $jwk, MessageBag $bag);
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/KeyAnalyzerManager.php b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/KeyAnalyzerManager.php
new file mode 100644
index 0000000..2b8b4a9
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/KeyAnalyzerManager.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyAnalyzer;
+
+use Jose\Component\Core\JWK;
+
+class KeyAnalyzerManager
+{
+    /**
+     * @var KeyAnalyzer[]
+     */
+    private $analyzers = [];
+
+    /**
+     * Adds a Key Analyzer to the manager.
+     *
+     * @return KeyAnalyzerManager
+     */
+    public function add(KeyAnalyzer $analyzer): self
+    {
+        $this->analyzers[] = $analyzer;
+
+        return $this;
+    }
+
+    /**
+     * This method will analyze the JWK object using all analyzers.
+     * It returns a message bag that may contains messages.
+     */
+    public function analyze(JWK $jwk): MessageBag
+    {
+        $bag = new MessageBag();
+        foreach ($this->analyzers as $analyzer) {
+            $analyzer->analyze($jwk, $bag);
+        }
+
+        return $bag;
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/KeyIdentifierAnalyzer.php b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/KeyIdentifierAnalyzer.php
new file mode 100644
index 0000000..71acb70
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/KeyIdentifierAnalyzer.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyAnalyzer;
+
+use Jose\Component\Core\JWK;
+
+final class KeyIdentifierAnalyzer implements KeyAnalyzer
+{
+    public function analyze(JWK $jwk, MessageBag $bag)
+    {
+        if (!$jwk->has('kid')) {
+            $bag->add(Message::medium('The parameter "kid" should be added.'));
+        }
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/Message.php b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/Message.php
new file mode 100644
index 0000000..4baf868
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/Message.php
@@ -0,0 +1,96 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyAnalyzer;
+
+class Message implements \JsonSerializable
+{
+    /**
+     * @var string
+     */
+    private $message;
+
+    /**
+     * @var string
+     */
+    private $severity;
+
+    public const SEVERITY_LOW = 'low';
+
+    public const SEVERITY_MEDIUM = 'medium';
+
+    public const SEVERITY_HIGH = 'high';
+
+    /**
+     * Message constructor.
+     */
+    private function __construct(string $message, string $severity)
+    {
+        $this->message = $message;
+        $this->severity = $severity;
+    }
+
+    /**
+     * Creates a message with severity=low.
+     *
+     * @return Message
+     */
+    public static function low(string $message): self
+    {
+        return new self($message, self::SEVERITY_LOW);
+    }
+
+    /**
+     * Creates a message with severity=medium.
+     *
+     * @return Message
+     */
+    public static function medium(string $message): self
+    {
+        return new self($message, self::SEVERITY_MEDIUM);
+    }
+
+    /**
+     * Creates a message with severity=high.
+     *
+     * @return Message
+     */
+    public static function high(string $message): self
+    {
+        return new self($message, self::SEVERITY_HIGH);
+    }
+
+    /**
+     * Returns the message.
+     */
+    public function getMessage(): string
+    {
+        return $this->message;
+    }
+
+    /**
+     * Returns the severity of the message.
+     */
+    public function getSeverity(): string
+    {
+        return $this->severity;
+    }
+
+    public function jsonSerialize()
+    {
+        return [
+            'message' => $this->message,
+            'severity' => $this->severity,
+        ];
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/MessageBag.php b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/MessageBag.php
new file mode 100644
index 0000000..b41795f
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/MessageBag.php
@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyAnalyzer;
+
+class MessageBag implements \JsonSerializable, \IteratorAggregate, \Countable
+{
+    /**
+     * @var Message[]
+     */
+    private $messages = [];
+
+    /**
+     * Adds a message to the message bag.
+     *
+     * @return MessageBag
+     */
+    public function add(Message $message): self
+    {
+        $this->messages[] = $message;
+
+        return $this;
+    }
+
+    /**
+     * Returns all messages.
+     *
+     * @return Message[]
+     */
+    public function all(): array
+    {
+        return $this->messages;
+    }
+
+    public function jsonSerialize()
+    {
+        return \array_values($this->messages);
+    }
+
+    public function count()
+    {
+        return \count($this->messages);
+    }
+
+    public function getIterator()
+    {
+        return new \ArrayIterator($this->messages);
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/NoneAnalyzer.php b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/NoneAnalyzer.php
new file mode 100644
index 0000000..a293efd
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/NoneAnalyzer.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyAnalyzer;
+
+use Jose\Component\Core\JWK;
+
+final class NoneAnalyzer implements KeyAnalyzer
+{
+    public function analyze(JWK $jwk, MessageBag $bag)
+    {
+        if ('none' !== $jwk->get('kty')) {
+            return;
+        }
+
+        $bag->add(Message::high('This key is a meant to be used with the algorithm "none". This algorithm is not secured and should be used with care.'));
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/OctAnalyzer.php b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/OctAnalyzer.php
new file mode 100644
index 0000000..4c2d7c1
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/OctAnalyzer.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyAnalyzer;
+
+use Base64Url\Base64Url;
+use Jose\Component\Core\JWK;
+use ZxcvbnPhp\Zxcvbn;
+
+final class OctAnalyzer implements KeyAnalyzer
+{
+    public function analyze(JWK $jwk, MessageBag $bag)
+    {
+        if ('oct' !== $jwk->get('kty')) {
+            return;
+        }
+        $k = Base64Url::decode($jwk->get('k'));
+        $kLength = 8 * \mb_strlen($k, '8bit');
+        if ($kLength < 128) {
+            $bag->add(Message::high('The key length is less than 128 bits.'));
+        }
+
+        if (\class_exists(Zxcvbn::class)) {
+            $zxcvbn = new Zxcvbn();
+            $strength = $zxcvbn->passwordStrength($k);
+            switch (true) {
+                case $strength['score'] < 3:
+                    $bag->add(Message::high('The octet string is weak and easily guessable. Please change your key as soon as possible.'));
+
+                    break;
+                case 3 === $strength['score']:
+                    $bag->add(Message::medium('The octet string is safe, but a longer key is preferable.'));
+
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/RsaAnalyzer.php b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/RsaAnalyzer.php
new file mode 100644
index 0000000..6274aa0
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/RsaAnalyzer.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyAnalyzer;
+
+use Base64Url\Base64Url;
+use Jose\Component\Core\JWK;
+
+final class RsaAnalyzer implements KeyAnalyzer
+{
+    public function analyze(JWK $jwk, MessageBag $bag)
+    {
+        if ('RSA' !== $jwk->get('kty')) {
+            return;
+        }
+        $n = 8 * \mb_strlen(Base64Url::decode($jwk->get('n')), '8bit');
+        if ($n < 2048) {
+            $bag->add(Message::high('The key length is less than 2048 bits.'));
+        }
+        if ($jwk->has('d') && (!$jwk->has('p') || !$jwk->has('q') || !$jwk->has('dp') || !$jwk->has('dq') || !$jwk->has('p') || !$jwk->has('qi'))) {
+            $bag->add(Message::medium('The key is a private RSA key, but Chinese Remainder Theorem primes are missing. These primes are not mandatory, but signatures and decryption processes are faster when available.'));
+        }
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/UsageAnalyzer.php b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/UsageAnalyzer.php
new file mode 100644
index 0000000..8cdfaf6
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyAnalyzer/UsageAnalyzer.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyAnalyzer;
+
+use Jose\Component\Core\JWK;
+
+final class UsageAnalyzer implements KeyAnalyzer
+{
+    public function analyze(JWK $jwk, MessageBag $bag)
+    {
+        if (!$jwk->has('use')) {
+            $bag->add(Message::medium('The parameter "use" should be added.'));
+        } elseif (!\in_array($jwk->get('use'), ['sig', 'enc'], true)) {
+            $bag->add(Message::high(\sprintf('The parameter "use" has an unsupported value "%s". Please use "sig" (signature) or "enc" (encryption).', $jwk->get('use'))));
+        }
+        if ($jwk->has('key_ops') && !\in_array($jwk->get('key_ops'), ['sign', 'verify', 'encrypt', 'decrypt', 'wrapKey', 'unwrapKey'], true)) {
+            $bag->add(Message::high(\sprintf('The parameter "key_ops" has an unsupported value "%s". Please use one of the following values: %s.', $jwk->get('use'), \implode(', ', ['verify', 'sign', 'encryp', 'decrypt', 'wrapKey', 'unwrapKey']))));
+        }
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyConverter/ECKey.php b/vendor/web-token/jwt-key-mgmt/KeyConverter/ECKey.php
new file mode 100644
index 0000000..4ab0090
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyConverter/ECKey.php
@@ -0,0 +1,273 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyConverter;
+
+use Base64Url\Base64Url;
+use FG\ASN1\ASNObject;
+use FG\ASN1\ExplicitlyTaggedObject;
+use FG\ASN1\Universal\BitString;
+use FG\ASN1\Universal\Integer;
+use FG\ASN1\Universal\ObjectIdentifier;
+use FG\ASN1\Universal\OctetString;
+use FG\ASN1\Universal\Sequence;
+
+/**
+ * @internal
+ */
+class ECKey
+{
+    /**
+     * @var array
+     */
+    private $values = [];
+
+    /**
+     * ECKey constructor.
+     */
+    private function __construct(array $data)
+    {
+        $this->loadJWK($data);
+    }
+
+    /**
+     * @return ECKey
+     */
+    public static function createFromPEM(string $pem): self
+    {
+        $data = self::loadPEM($pem);
+
+        return new self($data);
+    }
+
+    /**
+     * @throws \Exception
+     */
+    private static function loadPEM(string $data): array
+    {
+        $data = \base64_decode(\preg_replace('#-.*-|\r|\n#', '', $data), true);
+        $asnObject = ASNObject::fromBinary($data);
+
+        if (!$asnObject instanceof Sequence) {
+            throw new \InvalidArgumentException('Unable to load the key.');
+        }
+        $children = $asnObject->getChildren();
+        if (self::isPKCS8($children)) {
+            $children = self::loadPKCS8($children);
+        }
+
+        if (4 === \count($children)) {
+            return self::loadPrivatePEM($children);
+        }
+        if (2 === \count($children)) {
+            return self::loadPublicPEM($children);
+        }
+
+        throw new \Exception('Unable to load the key.');
+    }
+
+    /**
+     * @param ASNObject[] $children
+     */
+    private static function loadPKCS8(array $children): array
+    {
+        $binary = \hex2bin($children[2]->getContent());
+        $asnObject = ASNObject::fromBinary($binary);
+        if (!$asnObject instanceof Sequence) {
+            throw new \InvalidArgumentException('Unable to load the key.');
+        }
+
+        return $asnObject->getChildren();
+    }
+
+    /**
+     * @param ASNObject[] $children
+     */
+    private static function loadPublicPEM(array $children): array
+    {
+        if (!$children[0] instanceof Sequence) {
+            throw new \InvalidArgumentException('Unsupported key type.');
+        }
+
+        $sub = $children[0]->getChildren();
+        if (!$sub[0] instanceof ObjectIdentifier) {
+            throw new \InvalidArgumentException('Unsupported key type.');
+        }
+        if ('1.2.840.10045.2.1' !== $sub[0]->getContent()) {
+            throw new \InvalidArgumentException('Unsupported key type.');
+        }
+        if (!$sub[1] instanceof ObjectIdentifier) {
+            throw new \InvalidArgumentException('Unsupported key type.');
+        }
+        if (!$children[1] instanceof BitString) {
+            throw new \InvalidArgumentException('Unable to load the key.');
+        }
+
+        $bits = $children[1]->getContent();
+        $bits_length = \mb_strlen($bits, '8bit');
+        if ('04' !== \mb_substr($bits, 0, 2, '8bit')) {
+            throw new \InvalidArgumentException('Unsupported key type');
+        }
+
+        $values = ['kty' => 'EC'];
+        $values['crv'] = self::getCurve($sub[1]->getContent());
+        $values['x'] = Base64Url::encode(\hex2bin(\mb_substr($bits, 2, ($bits_length - 2) / 2, '8bit')));
+        $values['y'] = Base64Url::encode(\hex2bin(\mb_substr($bits, ($bits_length - 2) / 2 + 2, ($bits_length - 2) / 2, '8bit')));
+
+        return $values;
+    }
+
+    private static function getCurve(string $oid): string
+    {
+        $curves = self::getSupportedCurves();
+        $curve = \array_search($oid, $curves, true);
+        if (!\is_string($curve)) {
+            throw new \InvalidArgumentException('Unsupported OID.');
+        }
+
+        return $curve;
+    }
+
+    private static function getSupportedCurves(): array
+    {
+        return [
+            'P-256' => '1.2.840.10045.3.1.7',
+            'P-384' => '1.3.132.0.34',
+            'P-521' => '1.3.132.0.35',
+        ];
+    }
+
+    private static function verifyVersion(ASNObject $children)
+    {
+        if (!$children instanceof Integer || '1' !== $children->getContent()) {
+            throw new \InvalidArgumentException('Unable to load the key.');
+        }
+    }
+
+    private static function getXAndY(ASNObject $children, ?string &$x, ?string &$y)
+    {
+        if (!$children instanceof ExplicitlyTaggedObject || !\is_array($children->getContent())) {
+            throw new \InvalidArgumentException('Unable to load the key.');
+        }
+        if (!$children->getContent()[0] instanceof BitString) {
+            throw new \InvalidArgumentException('Unable to load the key.');
+        }
+
+        $bits = $children->getContent()[0]->getContent();
+        $bits_length = \mb_strlen($bits, '8bit');
+
+        if ('04' !== \mb_substr($bits, 0, 2, '8bit')) {
+            throw new \InvalidArgumentException('Unsupported key type');
+        }
+
+        $x = \mb_substr($bits, 2, ($bits_length - 2) / 2, '8bit');
+        $y = \mb_substr($bits, ($bits_length - 2) / 2 + 2, ($bits_length - 2) / 2, '8bit');
+    }
+
+    private static function getD(ASNObject $children): string
+    {
+        if (!$children instanceof OctetString) {
+            throw new \InvalidArgumentException('Unable to load the key.');
+        }
+
+        return $children->getContent();
+    }
+
+    private static function loadPrivatePEM(array $children): array
+    {
+        self::verifyVersion($children[0]);
+        $x = null;
+        $y = null;
+        $d = self::getD($children[1]);
+        self::getXAndY($children[3], $x, $y);
+
+        if (!$children[2] instanceof ExplicitlyTaggedObject || !\is_array($children[2]->getContent())) {
+            throw new \InvalidArgumentException('Unable to load the key.');
+        }
+        if (!$children[2]->getContent()[0] instanceof ObjectIdentifier) {
+            throw new \InvalidArgumentException('Unable to load the key.');
+        }
+
+        $curve = $children[2]->getContent()[0]->getContent();
+
+        $values = ['kty' => 'EC'];
+        $values['crv'] = self::getCurve($curve);
+        $values['d'] = Base64Url::encode(\hex2bin($d));
+        $values['x'] = Base64Url::encode(\hex2bin($x));
+        $values['y'] = Base64Url::encode(\hex2bin($y));
+
+        return $values;
+    }
+
+    /**
+     * @param ASNObject[] $children
+     */
+    private static function isPKCS8(array $children): bool
+    {
+        if (3 !== \count($children)) {
+            return false;
+        }
+
+        $classes = [0 => Integer::class, 1 => Sequence::class, 2 => OctetString::class];
+        foreach ($classes as $k => $class) {
+            if (!$children[$k] instanceof $class) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * @param ECKey $private
+     *
+     * @return ECKey
+     */
+    public static function toPublic(self $private): self
+    {
+        $data = $private->toArray();
+        if (\array_key_exists('d', $data)) {
+            unset($data['d']);
+        }
+
+        return new self($data);
+    }
+
+    /**
+     * @return array
+     */
+    public function toArray()
+    {
+        return $this->values;
+    }
+
+    private function loadJWK(array $jwk)
+    {
+        $keys = [
+            'kty' => 'The key parameter "kty" is missing.',
+            'crv' => 'Curve parameter is missing',
+            'x' => 'Point parameters are missing.',
+            'y' => 'Point parameters are missing.',
+        ];
+        foreach ($keys as $k => $v) {
+            if (!\array_key_exists($k, $jwk)) {
+                throw new \InvalidArgumentException($v);
+            }
+        }
+
+        if ('EC' !== $jwk['kty']) {
+            throw new \InvalidArgumentException('JWK is not an Elliptic Curve key.');
+        }
+        $this->values = $jwk;
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyConverter/KeyConverter.php b/vendor/web-token/jwt-key-mgmt/KeyConverter/KeyConverter.php
new file mode 100644
index 0000000..17a5428
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyConverter/KeyConverter.php
@@ -0,0 +1,256 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyConverter;
+
+use Base64Url\Base64Url;
+
+/**
+ * @internal
+ */
+class KeyConverter
+{
+    /**
+     * @throws \InvalidArgumentException
+     */
+    public static function loadKeyFromCertificateFile(string $file): array
+    {
+        if (!\file_exists($file)) {
+            throw new \InvalidArgumentException(\sprintf('File "%s" does not exist.', $file));
+        }
+        $content = \file_get_contents($file);
+
+        return self::loadKeyFromCertificate($content);
+    }
+
+    /**
+     * @throws \InvalidArgumentException
+     */
+    public static function loadKeyFromCertificate(string $certificate): array
+    {
+        try {
+            $res = \openssl_x509_read($certificate);
+        } catch (\Exception $e) {
+            $certificate = self::convertDerToPem($certificate);
+            $res = \openssl_x509_read($certificate);
+        }
+        if (false === $res) {
+            throw new \InvalidArgumentException('Unable to load the certificate.');
+        }
+
+        $values = self::loadKeyFromX509Resource($res);
+        \openssl_x509_free($res);
+
+        return $values;
+    }
+
+    /**
+     * @param resource $res
+     *
+     * @throws \Exception
+     */
+    public static function loadKeyFromX509Resource($res): array
+    {
+        $key = \openssl_get_publickey($res);
+
+        $details = \openssl_pkey_get_details($key);
+        if (isset($details['key'])) {
+            $values = self::loadKeyFromPEM($details['key']);
+            \openssl_x509_export($res, $out);
+            $x5c = \preg_replace('#-.*-#', '', $out);
+            $x5c = \preg_replace('~\R~', PHP_EOL, $x5c);
+            $x5c = \trim($x5c);
+            $values['x5c'] = [$x5c];
+
+            $values['x5t'] = Base64Url::encode(\openssl_x509_fingerprint($res, 'sha1', true));
+            $values['x5t#256'] = Base64Url::encode(\openssl_x509_fingerprint($res, 'sha256', true));
+
+            return $values;
+        }
+
+        throw new \InvalidArgumentException('Unable to load the certificate');
+    }
+
+    /**
+     * @throws \Exception
+     */
+    public static function loadFromKeyFile(string $file, ?string $password = null): array
+    {
+        $content = \file_get_contents($file);
+
+        return self::loadFromKey($content, $password);
+    }
+
+    /**
+     * @throws \Exception
+     */
+    public static function loadFromKey(string $key, ?string $password = null): array
+    {
+        try {
+            return self::loadKeyFromDER($key, $password);
+        } catch (\Exception $e) {
+            return self::loadKeyFromPEM($key, $password);
+        }
+    }
+
+    /**
+     * @throws \Exception
+     */
+    private static function loadKeyFromDER(string $der, ?string $password = null): array
+    {
+        $pem = self::convertDerToPem($der);
+
+        return self::loadKeyFromPEM($pem, $password);
+    }
+
+    /**
+     * @throws \Exception
+     */
+    private static function loadKeyFromPEM(string $pem, ?string $password = null): array
+    {
+        if (\preg_match('#DEK-Info: (.+),(.+)#', $pem, $matches)) {
+            $pem = self::decodePem($pem, $matches, $password);
+        }
+
+        self::sanitizePEM($pem);
+
+        $res = \openssl_pkey_get_private($pem);
+        if (false === $res) {
+            $res = \openssl_pkey_get_public($pem);
+        }
+        if (false === $res) {
+            throw new \InvalidArgumentException('Unable to load the key.');
+        }
+
+        $details = \openssl_pkey_get_details($res);
+        if (!\is_array($details) || !\array_key_exists('type', $details)) {
+            throw new \InvalidArgumentException('Unable to get details of the key');
+        }
+
+        switch ($details['type']) {
+            case OPENSSL_KEYTYPE_EC:
+                $ec_key = ECKey::createFromPEM($pem);
+
+                return $ec_key->toArray();
+            case OPENSSL_KEYTYPE_RSA:
+                 $rsa_key = RSAKey::createFromPEM($pem);
+                $rsa_key->optimize();
+
+                 return $rsa_key->toArray();
+            default:
+                throw new \InvalidArgumentException('Unsupported key type');
+        }
+    }
+
+    /**
+     * This method modifies the PEM to get 64 char lines and fix bug with old OpenSSL versions.
+     */
+    private static function sanitizePEM(string &$pem)
+    {
+        \preg_match_all('#(-.*-)#', $pem, $matches, PREG_PATTERN_ORDER);
+        $ciphertext = \preg_replace('#-.*-|\r|\n| #', '', $pem);
+
+        $pem = $matches[0][0].PHP_EOL;
+        $pem .= \chunk_split($ciphertext, 64, PHP_EOL);
+        $pem .= $matches[0][1].PHP_EOL;
+    }
+
+    /**
+     * Be careful! The certificate chain is loaded, but it is NOT VERIFIED by any mean!
+     * It is mandatory to verify the root CA or intermediate  CA are trusted.
+     * If not done, it may lead to potential security issues.
+     */
+    public static function loadFromX5C(array $x5c): array
+    {
+        $certificate = null;
+        $last_issuer = null;
+        $last_subject = null;
+        foreach ($x5c as $cert) {
+            $current_cert = '-----BEGIN CERTIFICATE-----'.PHP_EOL.\chunk_split($cert,64,PHP_EOL).'-----END CERTIFICATE-----';
+            $x509 = \openssl_x509_read($current_cert);
+            if (false === $x509) {
+                $last_issuer = null;
+                $last_subject = null;
+
+                break;
+            }
+            $parsed = \openssl_x509_parse($x509);
+
+            \openssl_x509_free($x509);
+            if (false === $parsed) {
+                $last_issuer = null;
+                $last_subject = null;
+
+                break;
+            }
+            if (null === $last_subject) {
+                $last_subject = $parsed['subject'];
+                $last_issuer = $parsed['issuer'];
+                $certificate = $current_cert;
+            } else {
+                if (\json_encode($last_issuer) === \json_encode($parsed['subject'])) {
+                    $last_subject = $parsed['subject'];
+                    $last_issuer = $parsed['issuer'];
+                } else {
+                    $last_issuer = null;
+                    $last_subject = null;
+
+                    break;
+                }
+            }
+        }
+
+        return self::loadKeyFromCertificate($certificate);
+    }
+
+    /**
+     * @param string[] $matches
+     */
+    private static function decodePem(string $pem, array $matches, ?string $password = null): string
+    {
+        if (null === $password) {
+            throw new \InvalidArgumentException('Password required for encrypted keys.');
+        }
+
+        $iv = \pack('H*', \trim($matches[2]));
+        $iv_sub = \mb_substr($iv, 0, 8, '8bit');
+        $symkey = \pack('H*', \md5($password.$iv_sub));
+        $symkey .= \pack('H*', \md5($symkey.$password.$iv_sub));
+        $key = \preg_replace('#^(?:Proc-Type|DEK-Info): .*#m', '', $pem);
+        $ciphertext = \base64_decode(\preg_replace('#-.*-|\r|\n#', '', $key), true);
+
+        $decoded = \openssl_decrypt($ciphertext, \mb_strtolower($matches[1]), $symkey, OPENSSL_RAW_DATA, $iv);
+        if (!\is_string($decoded)) {
+            throw new \InvalidArgumentException('Incorrect password. Key decryption failed.');
+        }
+
+        $number = \preg_match_all('#-{5}.*-{5}#', $pem, $result);
+        if (2 !== $number) {
+            throw new \InvalidArgumentException('Unable to load the key');
+        }
+
+        $pem = $result[0][0].PHP_EOL;
+        $pem .= \chunk_split(\base64_encode($decoded), 64);
+        $pem .= $result[0][1].PHP_EOL;
+
+        return $pem;
+    }
+
+    private static function convertDerToPem(string $der_data): string
+    {
+        $pem = \chunk_split(\base64_encode($der_data), 64, PHP_EOL);
+        $pem = '-----BEGIN CERTIFICATE-----'.PHP_EOL.$pem.'-----END CERTIFICATE-----'.PHP_EOL;
+
+        return $pem;
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/KeyConverter/RSAKey.php b/vendor/web-token/jwt-key-mgmt/KeyConverter/RSAKey.php
new file mode 100644
index 0000000..f76b5d4
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/KeyConverter/RSAKey.php
@@ -0,0 +1,244 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyConverter;
+
+use Base64Url\Base64Url;
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\Util\BigInteger;
+
+/**
+ * @internal
+ */
+class RSAKey
+{
+    /**
+     * @var array
+     */
+    private $values = [];
+
+    /**
+     * RSAKey constructor.
+     */
+    private function __construct(array $data)
+    {
+        $this->loadJWK($data);
+    }
+
+    /**
+     * @return RSAKey
+     */
+    public static function createFromKeyDetails(array $details): self
+    {
+        $values = ['kty' => 'RSA'];
+        $keys = [
+            'n' => 'n',
+            'e' => 'e',
+            'd' => 'd',
+            'p' => 'p',
+            'q' => 'q',
+            'dp' => 'dmp1',
+            'dq' => 'dmq1',
+            'qi' => 'iqmp',
+        ];
+        foreach ($details as $key => $value) {
+            if (\in_array($key, $keys, true)) {
+                $value = Base64Url::encode($value);
+                $values[\array_search($key, $keys, true)] = $value;
+            }
+        }
+
+        return new self($values);
+    }
+
+    /**
+     * @return RSAKey
+     */
+    public static function createFromPEM(string $pem): self
+    {
+        $res = \openssl_pkey_get_private($pem);
+        if (false === $res) {
+            $res = \openssl_pkey_get_public($pem);
+        }
+        if (false === $res) {
+            throw new \InvalidArgumentException('Unable to load the key.');
+        }
+
+        $details = \openssl_pkey_get_details($res);
+        \openssl_free_key($res);
+        if (!\array_key_exists('rsa', $details)) {
+            throw new \InvalidArgumentException('Unable to load the key.');
+        }
+
+        return self::createFromKeyDetails($details['rsa']);
+    }
+
+    /**
+     * @return RSAKey
+     */
+    public static function createFromJWK(JWK $jwk): self
+    {
+        return new self($jwk->all());
+    }
+
+    public function isPublic(): bool
+    {
+        return !\array_key_exists('d', $this->values);
+    }
+
+    /**
+     * @param RSAKey $private
+     *
+     * @return RSAKey
+     */
+    public static function toPublic(self $private): self
+    {
+        $data = $private->toArray();
+        $keys = ['p', 'd', 'q', 'dp', 'dq', 'qi'];
+        foreach ($keys as $key) {
+            if (\array_key_exists($key, $data)) {
+                unset($data[$key]);
+            }
+        }
+
+        return new self($data);
+    }
+
+    public function toArray(): array
+    {
+        return $this->values;
+    }
+
+    private function loadJWK(array $jwk)
+    {
+        if (!\array_key_exists('kty', $jwk)) {
+            throw new \InvalidArgumentException('The key parameter "kty" is missing.');
+        }
+        if ('RSA' !== $jwk['kty']) {
+            throw new \InvalidArgumentException('The JWK is not a RSA key.');
+        }
+
+        $this->values = $jwk;
+    }
+
+    public function toJwk(): JWK
+    {
+        return new JWK($this->values);
+    }
+
+    /**
+     * This method will try to add Chinese Remainder Theorem (CRT) parameters.
+     * With those primes, the decryption process is really fast.
+     */
+    public function optimize()
+    {
+        if (\array_key_exists('d', $this->values)) {
+            $this->populateCRT();
+        }
+    }
+
+    /**
+     * This method adds Chinese Remainder Theorem (CRT) parameters if primes 'p' and 'q' are available.
+     */
+    private function populateCRT()
+    {
+        if (!\array_key_exists('p', $this->values) && !\array_key_exists('q', $this->values)) {
+            $d = BigInteger::createFromBinaryString(Base64Url::decode($this->values['d']));
+            $e = BigInteger::createFromBinaryString(Base64Url::decode($this->values['e']));
+            $n = BigInteger::createFromBinaryString(Base64Url::decode($this->values['n']));
+
+            list($p, $q) = $this->findPrimeFactors($d, $e, $n);
+            $this->values['p'] = Base64Url::encode($p->toBytes());
+            $this->values['q'] = Base64Url::encode($q->toBytes());
+        }
+
+        if (\array_key_exists('dp', $this->values) && \array_key_exists('dq', $this->values) && \array_key_exists('qi', $this->values)) {
+            return;
+        }
+
+        $one = BigInteger::createFromDecimal(1);
+        $d = BigInteger::createFromBinaryString(Base64Url::decode($this->values['d']));
+        $p = BigInteger::createFromBinaryString(Base64Url::decode($this->values['p']));
+        $q = BigInteger::createFromBinaryString(Base64Url::decode($this->values['q']));
+
+        $this->values['dp'] = Base64Url::encode($d->mod($p->subtract($one))->toBytes());
+        $this->values['dq'] = Base64Url::encode($d->mod($q->subtract($one))->toBytes());
+        $this->values['qi'] = Base64Url::encode($q->modInverse($p)->toBytes());
+    }
+
+    /**
+     * @return BigInteger[]
+     */
+    private function findPrimeFactors(BigInteger $d, BigInteger $e, BigInteger $n): array
+    {
+        $zero = BigInteger::createFromDecimal(0);
+        $one = BigInteger::createFromDecimal(1);
+        $two = BigInteger::createFromDecimal(2);
+
+        $k = $d->multiply($e)->subtract($one);
+
+        if ($k->isEven()) {
+            $r = $k;
+            $t = $zero;
+
+            do {
+                $r = $r->divide($two);
+                $t = $t->add($one);
+            } while ($r->isEven());
+
+            $found = false;
+            $y = null;
+
+            for ($i = 1; $i <= 100; ++$i) {
+                $g = BigInteger::random($n->subtract($one));
+                $y = $g->modPow($r, $n);
+
+                if ($y->equals($one) || $y->equals($n->subtract($one))) {
+                    continue;
+                }
+
+                for ($j = $one; $j->lowerThan($t->subtract($one)); $j = $j->add($one)) {
+                    $x = $y->modPow($two, $n);
+
+                    if ($x->equals($one)) {
+                        $found = true;
+
+                        break;
+                    }
+
+                    if ($x->equals($n->subtract($one))) {
+                        continue;
+                    }
+
+                    $y = $x;
+                }
+
+                $x = $y->modPow($two, $n);
+                if ($x->equals($one)) {
+                    $found = true;
+
+                    break;
+                }
+            }
+
+            if (true === $found) {
+                $p = $y->subtract($one)->gcd($n);
+                $q = $n->divide($p);
+
+                return [$p, $q];
+            }
+        }
+
+        throw new \InvalidArgumentException('Unable to find prime factors.');
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/LICENSE b/vendor/web-token/jwt-key-mgmt/LICENSE
new file mode 100644
index 0000000..a098645
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018 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.
diff --git a/vendor/web-token/jwt-key-mgmt/UrlKeySetFactory.php b/vendor/web-token/jwt-key-mgmt/UrlKeySetFactory.php
new file mode 100644
index 0000000..329a204
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/UrlKeySetFactory.php
@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement;
+
+use Http\Client\HttpClient;
+use Http\Message\RequestFactory;
+
+abstract class UrlKeySetFactory
+{
+    /**
+     * @var HttpClient
+     */
+    private $client;
+
+    /**
+     * @var RequestFactory
+     */
+    private $requestFactory;
+
+    /**
+     * UrlKeySetFactory constructor.
+     */
+    public function __construct(HttpClient $client, RequestFactory $requestFactory)
+    {
+        $this->client = $client;
+        $this->requestFactory = $requestFactory;
+    }
+
+    /**
+     * @throws \RuntimeException
+     */
+    protected function getContent(string $url, array $header = []): string
+    {
+        $request = $this->requestFactory->createRequest('GET', $url, $header);
+        $response = $this->client->sendRequest($request);
+
+        if ($response->getStatusCode() >= 400) {
+            throw new \RuntimeException('Unable to get the key set.', $response->getStatusCode());
+        }
+
+        return $response->getBody()->getContents();
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/X5UFactory.php b/vendor/web-token/jwt-key-mgmt/X5UFactory.php
new file mode 100644
index 0000000..1163b59
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/X5UFactory.php
@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement;
+
+use Http\Client\HttpClient;
+use Http\Message\RequestFactory;
+use Jose\Component\Core\Converter\JsonConverter;
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\JWKSet;
+use Jose\Component\KeyManagement\KeyConverter\KeyConverter;
+
+class X5UFactory extends UrlKeySetFactory
+{
+    private $jsonConverter;
+
+    /**
+     * X5UFactory constructor.
+     */
+    public function __construct(?JsonConverter $jsonConverter, HttpClient $client, RequestFactory $requestFactory)
+    {
+        $this->jsonConverter = $jsonConverter ?? new \Jose\Component\Core\Util\JsonConverter();
+        parent::__construct($client, $requestFactory);
+    }
+
+    /**
+     * This method will try to fetch the url a retrieve the key set.
+     * Throws an exception in case of failure.
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function loadFromUrl(string $url, array $header = []): JWKSet
+    {
+        $content = $this->getContent($url, $header);
+        $data = $this->jsonConverter->decode($content);
+        if (!\is_array($data)) {
+            throw new \RuntimeException('Invalid content.');
+        }
+
+        $keys = [];
+        foreach ($data as $kid => $cert) {
+            if (false === \mb_strpos($cert, '-----BEGIN CERTIFICATE-----')) {
+                $cert = '-----BEGIN CERTIFICATE-----'.PHP_EOL.$cert.PHP_EOL.'-----END CERTIFICATE-----';
+            }
+            $jwk = KeyConverter::loadKeyFromCertificate($cert);
+            if (\is_string($kid)) {
+                $jwk['kid'] = $kid;
+                $keys[$kid] = new JWK($jwk);
+            } else {
+                $keys[] = new JWK($jwk);
+            }
+        }
+
+        return new JWKSet($keys);
+    }
+}
diff --git a/vendor/web-token/jwt-key-mgmt/composer.json b/vendor/web-token/jwt-key-mgmt/composer.json
new file mode 100644
index 0000000..d3999ad
--- /dev/null
+++ b/vendor/web-token/jwt-key-mgmt/composer.json
@@ -0,0 +1,46 @@
+{
+    "name": "web-token/jwt-key-mgmt",
+    "description": "Key Management component of the JWT Framework.",
+    "type": "library",
+    "license": "MIT",
+    "keywords": ["JWS", "JWT", "JWE", "JWA", "JWK", "JWKSet", "Jot", "Jose", "RFC7515", "RFC7516", "RFC7517", "RFC7518", "RFC7519", "RFC7520", "Bundle", "Symfony"],
+    "homepage": "https://github.com/web-token",
+    "authors": [
+        {
+            "name": "Florent Morselli",
+            "homepage": "https://github.com/Spomky"
+        },{
+            "name": "All contributors",
+            "homepage": "https://github.com/web-token/jwt-key-mgmt/contributors"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Jose\\Component\\KeyManagement\\":  ""
+        }
+    },
+    "require": {
+        "lib-openssl": "*",
+        "paragonie/sodium_compat": "^1.2",
+        "web-token/jwt-core": "^1.3",
+        "web-token/jwt-util-ecc": "^1.3"
+    },
+    "require-dev": {
+        "php-http/message-factory": "^1.0",
+        "php-http/httplug": "^1.1",
+        "php-http/mock-client": "^1.0",
+        "phpunit/phpunit": "^6.0|^7.0"
+    },
+    "suggest": {
+        "php-http/message-factory": "To enable JKU/X5U support.",
+        "php-http/httplug": "To enable JKU/X5U support."
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.3.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-ecdsa/ECDSA.php b/vendor/web-token/jwt-signature-algorithm-ecdsa/ECDSA.php
new file mode 100644
index 0000000..f3e2790
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-ecdsa/ECDSA.php
@@ -0,0 +1,79 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\Util\ECKey;
+use Jose\Component\Core\Util\ECSignature;
+
+abstract class ECDSA implements SignatureAlgorithm
+{
+    public function __construct()
+    {
+        if (!\defined('OPENSSL_KEYTYPE_EC')) {
+            throw new \RuntimeException('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);
+        $result = \openssl_sign($input, $signature, $pem, $this->getHashAlgorithm());
+        if (false === $result) {
+            throw new \RuntimeException('Signature failed.');
+        }
+
+        return ECSignature::fromDER($signature, $this->getSignaturePartLength());
+    }
+
+    public function verify(JWK $key, string $input, string $signature): bool
+    {
+        $this->checkKey($key);
+
+        try {
+            $der = ECSignature::toDER($signature, $this->getSignaturePartLength());
+            $pem = ECKey::convertPublicKeyToPEM($key);
+
+            return 1 === \openssl_verify($input, $der, $pem, $this->getHashAlgorithm());
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+
+    abstract protected function getHashAlgorithm(): string;
+
+    abstract protected function getSignaturePartLength(): int;
+
+    private function checkKey(JWK $key)
+    {
+        if (!\in_array($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));
+            }
+        }
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-ecdsa/ES256.php b/vendor/web-token/jwt-signature-algorithm-ecdsa/ES256.php
new file mode 100644
index 0000000..d4166b4
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-ecdsa/ES256.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+final class ES256 extends ECDSA
+{
+    protected function getHashAlgorithm(): string
+    {
+        return 'sha256';
+    }
+
+    protected function getSignaturePartLength(): int
+    {
+        return 64;
+    }
+
+    public function name(): string
+    {
+        return 'ES256';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-ecdsa/ES384.php b/vendor/web-token/jwt-signature-algorithm-ecdsa/ES384.php
new file mode 100644
index 0000000..c8422bd
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-ecdsa/ES384.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+final class ES384 extends ECDSA
+{
+    protected function getHashAlgorithm(): string
+    {
+        return 'sha384';
+    }
+
+    protected function getSignaturePartLength(): int
+    {
+        return 96;
+    }
+
+    public function name(): string
+    {
+        return 'ES384';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-ecdsa/ES512.php b/vendor/web-token/jwt-signature-algorithm-ecdsa/ES512.php
new file mode 100644
index 0000000..b0ff651
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-ecdsa/ES512.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+final class ES512 extends ECDSA
+{
+    protected function getHashAlgorithm(): string
+    {
+        return 'sha512';
+    }
+
+    protected function getSignaturePartLength(): int
+    {
+        return 132;
+    }
+
+    public function name(): string
+    {
+        return 'ES512';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-ecdsa/LICENSE b/vendor/web-token/jwt-signature-algorithm-ecdsa/LICENSE
new file mode 100644
index 0000000..a098645
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-ecdsa/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018 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.
diff --git a/vendor/web-token/jwt-signature-algorithm-ecdsa/composer.json b/vendor/web-token/jwt-signature-algorithm-ecdsa/composer.json
new file mode 100644
index 0000000..cd41da4
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-ecdsa/composer.json
@@ -0,0 +1,36 @@
+{
+    "name": "web-token/jwt-signature-algorithm-ecdsa",
+    "description": "ECDSA Based Signature Algorithms the JWT Framework.",
+    "type": "library",
+    "license": "MIT",
+    "keywords": ["JWS", "JWT", "JWE", "JWA", "JWK", "JWKSet", "Jot", "Jose", "RFC7515", "RFC7516", "RFC7517", "RFC7518", "RFC7519", "RFC7520", "Bundle", "Symfony"],
+    "homepage": "https://github.com/web-token",
+    "authors": [
+        {
+            "name": "Florent Morselli",
+            "homepage": "https://github.com/Spomky"
+        },{
+            "name": "All contributors",
+            "homepage": "https://github.com/web-token/jwt-core/contributors"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Jose\\Component\\Signature\\Algorithm\\":  ""
+        }
+    },
+    "require": {
+        "web-token/jwt-signature": "^1.3"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^6.0|^7.0"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.3.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-eddsa/EdDSA.php b/vendor/web-token/jwt-signature-algorithm-eddsa/EdDSA.php
new file mode 100644
index 0000000..8475c6a
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-eddsa/EdDSA.php
@@ -0,0 +1,76 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+use Base64Url\Base64Url;
+use Jose\Component\Core\JWK;
+
+final class EdDSA implements SignatureAlgorithm
+{
+    public function allowedKeyTypes(): array
+    {
+        return ['OKP'];
+    }
+
+    public function sign(JWK $key, string $input): string
+    {
+        $this->checkKey($key);
+        if (!$key->has('d')) {
+            throw new \InvalidArgumentException('The key is not private.');
+        }
+        $x = Base64Url::decode($key->get('x'));
+        $d = Base64Url::decode($key->get('d'));
+        $secret = $d.$x;
+
+        switch ($key->get('crv')) {
+            case 'Ed25519':
+                return \sodium_crypto_sign_detached($input, $secret);
+            default:
+                throw new \InvalidArgumentException('Unsupported curve');
+        }
+    }
+
+    public function verify(JWK $key, string $input, string $signature): bool
+    {
+        $this->checkKey($key);
+
+        $public = Base64Url::decode($key->get('x'));
+        switch ($key->get('crv')) {
+            case 'Ed25519':
+                return \sodium_crypto_sign_verify_detached($signature, $input, $public);
+            default:
+                throw new \InvalidArgumentException('Unsupported curve');
+        }
+    }
+
+    private function checkKey(JWK $key)
+    {
+        if (!\in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
+            throw new \InvalidArgumentException('Wrong key type.');
+        }
+        foreach (['x', 'crv'] as $k) {
+            if (!$key->has($k)) {
+                throw new \InvalidArgumentException(\sprintf('The key parameter "%s" is missing.', $k));
+            }
+        }
+        if (!\in_array($key->get('crv'), ['Ed25519'], true)) {
+            throw new \InvalidArgumentException('Unsupported curve.');
+        }
+    }
+
+    public function name(): string
+    {
+        return 'EdDSA';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-eddsa/LICENSE b/vendor/web-token/jwt-signature-algorithm-eddsa/LICENSE
new file mode 100644
index 0000000..a098645
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-eddsa/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018 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.
diff --git a/vendor/web-token/jwt-signature-algorithm-eddsa/composer.json b/vendor/web-token/jwt-signature-algorithm-eddsa/composer.json
new file mode 100644
index 0000000..ba7d6d0
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-eddsa/composer.json
@@ -0,0 +1,36 @@
+{
+    "name": "web-token/jwt-signature-algorithm-eddsa",
+    "description": "EdDSA Signature Algorithm the JWT Framework.",
+    "type": "library",
+    "license": "MIT",
+    "keywords": ["JWS", "JWT", "JWE", "JWA", "JWK", "JWKSet", "Jot", "Jose", "RFC7515", "RFC7516", "RFC7517", "RFC7518", "RFC7519", "RFC7520", "Bundle", "Symfony"],
+    "homepage": "https://github.com/web-token",
+    "authors": [
+        {
+            "name": "Florent Morselli",
+            "homepage": "https://github.com/Spomky"
+        },{
+            "name": "All contributors",
+            "homepage": "https://github.com/web-token/jwt-core/contributors"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Jose\\Component\\Signature\\Algorithm\\":  ""
+        }
+    },
+    "require": {
+        "web-token/jwt-signature": "^1.3"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^6.0|^7.0"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.3.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-hmac/HMAC.php b/vendor/web-token/jwt-signature-algorithm-hmac/HMAC.php
new file mode 100644
index 0000000..e676bed
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-hmac/HMAC.php
@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+use Base64Url\Base64Url;
+use Jose\Component\Core\JWK;
+
+abstract class HMAC implements SignatureAlgorithm
+{
+    public function allowedKeyTypes(): array
+    {
+        return ['oct'];
+    }
+
+    public function verify(JWK $key, string $input, string $signature): bool
+    {
+        return \hash_equals($this->sign($key, $input), $signature);
+    }
+
+    public function sign(JWK $key, string $input): string
+    {
+        $this->checkKey($key);
+
+        return \hash_hmac($this->getHashAlgorithm(), $input, Base64Url::decode($key->get('k')), true);
+    }
+
+    protected function checkKey(JWK $key)
+    {
+        if (!\in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
+            throw new \InvalidArgumentException('Wrong key type.');
+        }
+        if (!$key->has('k')) {
+            throw new \InvalidArgumentException('The key parameter "k" is missing.');
+        }
+    }
+
+    abstract protected function getHashAlgorithm(): string;
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-hmac/HS256.php b/vendor/web-token/jwt-signature-algorithm-hmac/HS256.php
new file mode 100644
index 0000000..328a008
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-hmac/HS256.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+final class HS256 extends HMAC
+{
+    protected function getHashAlgorithm(): string
+    {
+        return 'sha256';
+    }
+
+    public function name(): string
+    {
+        return 'HS256';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-hmac/HS384.php b/vendor/web-token/jwt-signature-algorithm-hmac/HS384.php
new file mode 100644
index 0000000..b1ca650
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-hmac/HS384.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+final class HS384 extends HMAC
+{
+    protected function getHashAlgorithm(): string
+    {
+        return 'sha384';
+    }
+
+    public function name(): string
+    {
+        return 'HS384';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-hmac/HS512.php b/vendor/web-token/jwt-signature-algorithm-hmac/HS512.php
new file mode 100644
index 0000000..22bf170
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-hmac/HS512.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+final class HS512 extends HMAC
+{
+    protected function getHashAlgorithm(): string
+    {
+        return 'sha512';
+    }
+
+    public function name(): string
+    {
+        return 'HS512';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-hmac/LICENSE b/vendor/web-token/jwt-signature-algorithm-hmac/LICENSE
new file mode 100644
index 0000000..a098645
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-hmac/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018 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.
diff --git a/vendor/web-token/jwt-signature-algorithm-hmac/composer.json b/vendor/web-token/jwt-signature-algorithm-hmac/composer.json
new file mode 100644
index 0000000..f59e02c
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-hmac/composer.json
@@ -0,0 +1,36 @@
+{
+    "name": "web-token/jwt-signature-algorithm-hmac",
+    "description": "HMAC Based Signature Algorithms the JWT Framework.",
+    "type": "library",
+    "license": "MIT",
+    "keywords": ["JWS", "JWT", "JWE", "JWA", "JWK", "JWKSet", "Jot", "Jose", "RFC7515", "RFC7516", "RFC7517", "RFC7518", "RFC7519", "RFC7520", "Bundle", "Symfony"],
+    "homepage": "https://github.com/web-token",
+    "authors": [
+        {
+            "name": "Florent Morselli",
+            "homepage": "https://github.com/Spomky"
+        },{
+            "name": "All contributors",
+            "homepage": "https://github.com/web-token/jwt-core/contributors"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Jose\\Component\\Signature\\Algorithm\\":  ""
+        }
+    },
+    "require": {
+        "web-token/jwt-signature": "^1.3"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^6.0|^7.0"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.3.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-none/LICENSE b/vendor/web-token/jwt-signature-algorithm-none/LICENSE
new file mode 100644
index 0000000..a098645
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-none/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018 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.
diff --git a/vendor/web-token/jwt-signature-algorithm-none/None.php b/vendor/web-token/jwt-signature-algorithm-none/None.php
new file mode 100644
index 0000000..5504b2a
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-none/None.php
@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+use Jose\Component\Core\JWK;
+
+final class None implements SignatureAlgorithm
+{
+    public function allowedKeyTypes(): array
+    {
+        return ['none'];
+    }
+
+    public function sign(JWK $key, string $input): string
+    {
+        $this->checkKey($key);
+
+        return '';
+    }
+
+    public function verify(JWK $key, string $input, string $signature): bool
+    {
+        return '' === $signature;
+    }
+
+    private function checkKey(JWK $key)
+    {
+        if (!\in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
+            throw new \InvalidArgumentException('Wrong key type.');
+        }
+    }
+
+    public function name(): string
+    {
+        return 'none';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-none/composer.json b/vendor/web-token/jwt-signature-algorithm-none/composer.json
new file mode 100644
index 0000000..a10f28a
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-none/composer.json
@@ -0,0 +1,36 @@
+{
+    "name": "web-token/jwt-signature-algorithm-none",
+    "description": "None Signature Algorithm the JWT Framework.",
+    "type": "library",
+    "license": "MIT",
+    "keywords": ["JWS", "JWT", "JWE", "JWA", "JWK", "JWKSet", "Jot", "Jose", "RFC7515", "RFC7516", "RFC7517", "RFC7518", "RFC7519", "RFC7520", "Bundle", "Symfony"],
+    "homepage": "https://github.com/web-token",
+    "authors": [
+        {
+            "name": "Florent Morselli",
+            "homepage": "https://github.com/Spomky"
+        },{
+            "name": "All contributors",
+            "homepage": "https://github.com/web-token/jwt-core/contributors"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Jose\\Component\\Signature\\Algorithm\\":  ""
+        }
+    },
+    "require": {
+        "web-token/jwt-signature": "^1.3"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^6.0|^7.0"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.3.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-rsa/LICENSE b/vendor/web-token/jwt-signature-algorithm-rsa/LICENSE
new file mode 100644
index 0000000..a098645
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-rsa/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018 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.
diff --git a/vendor/web-token/jwt-signature-algorithm-rsa/PS256.php b/vendor/web-token/jwt-signature-algorithm-rsa/PS256.php
new file mode 100644
index 0000000..366f4a6
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-rsa/PS256.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+use Jose\Component\Signature\Util\RSA as JoseRSA;
+
+final class PS256 extends RSA
+{
+    protected function getAlgorithm(): string
+    {
+        return 'sha256';
+    }
+
+    protected function getSignatureMethod(): int
+    {
+        return JoseRSA::SIGNATURE_PSS;
+    }
+
+    public function name(): string
+    {
+        return 'PS256';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-rsa/PS384.php b/vendor/web-token/jwt-signature-algorithm-rsa/PS384.php
new file mode 100644
index 0000000..0f87ca8
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-rsa/PS384.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+use Jose\Component\Signature\Util\RSA as JoseRSA;
+
+final class PS384 extends RSA
+{
+    protected function getAlgorithm(): string
+    {
+        return 'sha384';
+    }
+
+    protected function getSignatureMethod(): int
+    {
+        return JoseRSA::SIGNATURE_PSS;
+    }
+
+    public function name(): string
+    {
+        return 'PS384';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-rsa/PS512.php b/vendor/web-token/jwt-signature-algorithm-rsa/PS512.php
new file mode 100644
index 0000000..08a58a1
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-rsa/PS512.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+use Jose\Component\Signature\Util\RSA as JoseRSA;
+
+final class PS512 extends RSA
+{
+    protected function getAlgorithm(): string
+    {
+        return 'sha512';
+    }
+
+    protected function getSignatureMethod(): int
+    {
+        return JoseRSA::SIGNATURE_PSS;
+    }
+
+    public function name(): string
+    {
+        return 'PS512';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-rsa/RS256.php b/vendor/web-token/jwt-signature-algorithm-rsa/RS256.php
new file mode 100644
index 0000000..0bedfa2
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-rsa/RS256.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+use Jose\Component\Signature\Util\RSA as JoseRSA;
+
+final class RS256 extends RSA
+{
+    protected function getAlgorithm(): string
+    {
+        return 'sha256';
+    }
+
+    protected function getSignatureMethod(): int
+    {
+        return JoseRSA::SIGNATURE_PKCS1;
+    }
+
+    public function name(): string
+    {
+        return 'RS256';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-rsa/RS384.php b/vendor/web-token/jwt-signature-algorithm-rsa/RS384.php
new file mode 100644
index 0000000..1b009ba
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-rsa/RS384.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+use Jose\Component\Signature\Util\RSA as JoseRSA;
+
+final class RS384 extends RSA
+{
+    protected function getAlgorithm(): string
+    {
+        return 'sha384';
+    }
+
+    protected function getSignatureMethod(): int
+    {
+        return JoseRSA::SIGNATURE_PKCS1;
+    }
+
+    public function name(): string
+    {
+        return 'RS384';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-rsa/RS512.php b/vendor/web-token/jwt-signature-algorithm-rsa/RS512.php
new file mode 100644
index 0000000..800573c
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-rsa/RS512.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+use Jose\Component\Signature\Util\RSA as JoseRSA;
+
+final class RS512 extends RSA
+{
+    protected function getAlgorithm(): string
+    {
+        return 'sha512';
+    }
+
+    protected function getSignatureMethod(): int
+    {
+        return JoseRSA::SIGNATURE_PKCS1;
+    }
+
+    public function name(): string
+    {
+        return 'RS512';
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-rsa/RSA.php b/vendor/web-token/jwt-signature-algorithm-rsa/RSA.php
new file mode 100644
index 0000000..12a4445
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-rsa/RSA.php
@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\Util\RSAKey;
+use Jose\Component\Signature\Util\RSA as JoseRSA;
+
+abstract class RSA implements SignatureAlgorithm
+{
+    abstract protected function getAlgorithm(): string;
+
+    abstract protected function getSignatureMethod(): int;
+
+    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(), $this->getSignatureMethod());
+    }
+
+    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(), $this->getSignatureMethod());
+    }
+
+    private function checkKey(JWK $key)
+    {
+        if (!\in_array($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));
+            }
+        }
+    }
+}
diff --git a/vendor/web-token/jwt-signature-algorithm-rsa/composer.json b/vendor/web-token/jwt-signature-algorithm-rsa/composer.json
new file mode 100644
index 0000000..7dee44a
--- /dev/null
+++ b/vendor/web-token/jwt-signature-algorithm-rsa/composer.json
@@ -0,0 +1,36 @@
+{
+    "name": "web-token/jwt-signature-algorithm-rsa",
+    "description": "RSA Based Signature Algorithms the JWT Framework.",
+    "type": "library",
+    "license": "MIT",
+    "keywords": ["JWS", "JWT", "JWE", "JWA", "JWK", "JWKSet", "Jot", "Jose", "RFC7515", "RFC7516", "RFC7517", "RFC7518", "RFC7519", "RFC7520", "Bundle", "Symfony"],
+    "homepage": "https://github.com/web-token",
+    "authors": [
+        {
+            "name": "Florent Morselli",
+            "homepage": "https://github.com/Spomky"
+        },{
+            "name": "All contributors",
+            "homepage": "https://github.com/web-token/jwt-core/contributors"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Jose\\Component\\Signature\\Algorithm\\":  ""
+        }
+    },
+    "require": {
+        "web-token/jwt-signature": "^1.3"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^6.0|^7.0"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.3.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    }
+}
diff --git a/vendor/web-token/jwt-signature/Algorithm/SignatureAlgorithm.php b/vendor/web-token/jwt-signature/Algorithm/SignatureAlgorithm.php
new file mode 100644
index 0000000..4f982e7
--- /dev/null
+++ b/vendor/web-token/jwt-signature/Algorithm/SignatureAlgorithm.php
@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Algorithm;
+
+use Jose\Component\Core\Algorithm;
+use Jose\Component\Core\JWK;
+
+interface SignatureAlgorithm extends Algorithm
+{
+    /**
+     * Sign the input.
+     *
+     * @param JWK    $key   The private key used to sign the data
+     * @param string $input The input
+     *
+     * @throws \Exception If key does not support the algorithm or if the key usage does not authorize the operation
+     */
+    public function sign(JWK $key, string $input): string;
+
+    /**
+     * Verify the signature of data.
+     *
+     * @param JWK    $key       The private key used to sign the data
+     * @param string $input     The input
+     * @param string $signature The signature to verify
+     *
+     * @throws \Exception If key does not support the algorithm or if the key usage does not authorize the operation
+     */
+    public function verify(JWK $key, string $input, string $signature): bool;
+}
diff --git a/vendor/web-token/jwt-signature/JWS.php b/vendor/web-token/jwt-signature/JWS.php
new file mode 100644
index 0000000..fe94f33
--- /dev/null
+++ b/vendor/web-token/jwt-signature/JWS.php
@@ -0,0 +1,159 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature;
+
+use Jose\Component\Core\JWT;
+
+class JWS implements JWT
+{
+    /**
+     * @var bool
+     */
+    private $isPayloadDetached = false;
+
+    /**
+     * @var string|null
+     */
+    private $encodedPayload = null;
+
+    /**
+     * @var Signature[]
+     */
+    private $signatures = [];
+
+    /**
+     * @var string|null
+     */
+    private $payload = null;
+
+    /**
+     * JWS constructor.
+     */
+    private function __construct(?string $payload, ?string $encodedPayload = null, bool $isPayloadDetached = false)
+    {
+        $this->payload = $payload;
+        $this->encodedPayload = $encodedPayload;
+        $this->isPayloadDetached = $isPayloadDetached;
+    }
+
+    /**
+     * Creates a JWS object.
+     *
+     * @return JWS
+     */
+    public static function create(?string $payload, ?string $encodedPayload = null, bool $isPayloadDetached = false): self
+    {
+        return new self($payload, $encodedPayload, $isPayloadDetached);
+    }
+
+    public function getPayload(): ?string
+    {
+        return $this->payload;
+    }
+
+    /**
+     * Returns true if the payload is detached.
+     */
+    public function isPayloadDetached(): bool
+    {
+        return $this->isPayloadDetached;
+    }
+
+    /**
+     * Returns the Base64Url encoded payload.
+     * If the payload is detached, this method returns null.
+     */
+    public function getEncodedPayload(): ?string
+    {
+        if (true === $this->isPayloadDetached()) {
+            return null;
+        }
+
+        return $this->encodedPayload;
+    }
+
+    /**
+     * Returns the signatures associated with the JWS.
+     *
+     * @return Signature[]
+     */
+    public function getSignatures(): array
+    {
+        return $this->signatures;
+    }
+
+    /**
+     * Returns the signature at the given index.
+     */
+    public function getSignature(int $id): Signature
+    {
+        if (isset($this->signatures[$id])) {
+            return $this->signatures[$id];
+        }
+
+        throw new \InvalidArgumentException('The signature does not exist.');
+    }
+
+    /**
+     * This method adds a signature to the JWS object.
+     * Its returns a new JWS object.
+     *
+     * @internal
+     *
+     * @return JWS
+     */
+    public function addSignature(string $signature, array $protectedHeader, ?string $encodedProtectedHeader, array $header = []): self
+    {
+        $jws = clone $this;
+        $jws->signatures[] = Signature::create($signature, $protectedHeader, $encodedProtectedHeader, $header);
+
+        return $jws;
+    }
+
+    /**
+     * Returns the number of signature associated with the JWS.
+     */
+    public function countSignatures(): int
+    {
+        return \count($this->signatures);
+    }
+
+    /**
+     * This method splits the JWS into a list of JWSs.
+     * It is only useful when the JWS contains more than one signature (JSON General Serialization).
+     *
+     * @return JWS[]
+     */
+    public function split(): array
+    {
+        $result = [];
+        foreach ($this->signatures as $signature) {
+            $jws = self::create(
+                $this->payload,
+                $this->encodedPayload,
+                $this->isPayloadDetached
+            );
+            $jws = $jws->addSignature(
+                 $signature->getSignature(),
+                 $signature->getProtectedHeader(),
+                 $signature->getEncodedProtectedHeader(),
+                 $signature->getHeader()
+             );
+
+            $result[] = $jws;
+        }
+
+        return $result;
+    }
+}
diff --git a/vendor/web-token/jwt-signature/JWSBuilder.php b/vendor/web-token/jwt-signature/JWSBuilder.php
new file mode 100644
index 0000000..7d8bf43
--- /dev/null
+++ b/vendor/web-token/jwt-signature/JWSBuilder.php
@@ -0,0 +1,213 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature;
+
+use Base64Url\Base64Url;
+use Jose\Component\Core\AlgorithmManager;
+use Jose\Component\Core\Converter\JsonConverter;
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\Util\KeyChecker;
+use Jose\Component\Signature\Algorithm\SignatureAlgorithm;
+
+class JWSBuilder
+{
+    /**
+     * @var JsonConverter
+     */
+    private $jsonConverter;
+
+    /**
+     * @var string|null
+     */
+    private $payload;
+
+    /**
+     * @var bool
+     */
+    private $isPayloadDetached;
+
+    /**
+     * @var array
+     */
+    private $signatures = [];
+
+    /**
+     * @var AlgorithmManager
+     */
+    private $signatureAlgorithmManager;
+
+    /**
+     * @var bool|null
+     */
+    private $isPayloadEncoded = null;
+
+    /**
+     * JWSBuilder constructor.
+     */
+    public function __construct(?JsonConverter $jsonConverter, AlgorithmManager $signatureAlgorithmManager)
+    {
+        $this->jsonConverter = $jsonConverter ?? new \Jose\Component\Core\Util\JsonConverter();
+        $this->signatureAlgorithmManager = $signatureAlgorithmManager;
+    }
+
+    /**
+     * Returns the algorithm manager associated to the builder.
+     */
+    public function getSignatureAlgorithmManager(): AlgorithmManager
+    {
+        return $this->signatureAlgorithmManager;
+    }
+
+    /**
+     * Reset the current data.
+     *
+     * @return JWSBuilder
+     */
+    public function create(): self
+    {
+        $this->payload = null;
+        $this->isPayloadDetached = false;
+        $this->signatures = [];
+        $this->isPayloadEncoded = null;
+
+        return $this;
+    }
+
+    /**
+     * Set the payload.
+     * This method will return a new JWSBuilder object.
+     *
+     * @return JWSBuilder
+     */
+    public function withPayload(string $payload, bool $isPayloadDetached = false): self
+    {
+        if (false === \mb_detect_encoding($payload, 'UTF-8', true)) {
+            throw new \InvalidArgumentException('The payload must be encoded in UTF-8');
+        }
+        $clone = clone $this;
+        $clone->payload = $payload;
+        $clone->isPayloadDetached = $isPayloadDetached;
+
+        return $clone;
+    }
+
+    /**
+     * Adds the information needed to compute the signature.
+     * This method will return a new JWSBuilder object.
+     *
+     * @return JWSBuilder
+     */
+    public function addSignature(JWK $signatureKey, array $protectedHeader, array $header = []): self
+    {
+        $this->checkB64AndCriticalHeader($protectedHeader);
+        $isPayloadEncoded = $this->checkIfPayloadIsEncoded($protectedHeader);
+        if (null === $this->isPayloadEncoded) {
+            $this->isPayloadEncoded = $isPayloadEncoded;
+        } elseif ($this->isPayloadEncoded !== $isPayloadEncoded) {
+            throw new \InvalidArgumentException('Foreign payload encoding detected.');
+        }
+        $this->checkDuplicatedHeaderParameters($protectedHeader, $header);
+        KeyChecker::checkKeyUsage($signatureKey, 'signature');
+        $signatureAlgorithm = $this->findSignatureAlgorithm($signatureKey, $protectedHeader, $header);
+        KeyChecker::checkKeyAlgorithm($signatureKey, $signatureAlgorithm->name());
+        $clone = clone $this;
+        $clone->signatures[] = [
+            'signature_algorithm' => $signatureAlgorithm,
+            'signature_key' => $signatureKey,
+            'protected_header' => $protectedHeader,
+            'header' => $header,
+        ];
+
+        return $clone;
+    }
+
+    /**
+     * Computes all signatures and return the expected JWS object.
+     */
+    public function build(): JWS
+    {
+        if (null === $this->payload) {
+            throw new \RuntimeException('The payload is not set.');
+        }
+        if (0 === \count($this->signatures)) {
+            throw new \RuntimeException('At least one signature must be set.');
+        }
+
+        $encodedPayload = false === $this->isPayloadEncoded ? $this->payload : Base64Url::encode($this->payload);
+        $jws = JWS::create($this->payload, $encodedPayload, $this->isPayloadDetached);
+        foreach ($this->signatures as $signature) {
+            /** @var SignatureAlgorithm $signatureAlgorithm */
+            $signatureAlgorithm = $signature['signature_algorithm'];
+            /** @var JWK $signatureKey */
+            $signatureKey = $signature['signature_key'];
+            /** @var array $protectedHeader */
+            $protectedHeader = $signature['protected_header'];
+            /** @var array $header */
+            $header = $signature['header'];
+            $encodedProtectedHeader = empty($protectedHeader) ? null : Base64Url::encode($this->jsonConverter->encode($protectedHeader));
+            $input = \sprintf('%s.%s', $encodedProtectedHeader, $encodedPayload);
+            $s = $signatureAlgorithm->sign($signatureKey, $input);
+            $jws = $jws->addSignature($s, $protectedHeader, $encodedProtectedHeader, $header);
+        }
+
+        return $jws;
+    }
+
+    private function checkIfPayloadIsEncoded(array $protectedHeader): bool
+    {
+        return !\array_key_exists('b64', $protectedHeader) || true === $protectedHeader['b64'];
+    }
+
+    private function checkB64AndCriticalHeader(array $protectedHeader)
+    {
+        if (!\array_key_exists('b64', $protectedHeader)) {
+            return;
+        }
+        if (!\array_key_exists('crit', $protectedHeader)) {
+            throw new \LogicException('The protected header parameter "crit" is mandatory when protected header parameter "b64" is set.');
+        }
+        if (!\is_array($protectedHeader['crit'])) {
+            throw new \LogicException('The protected header parameter "crit" must be an array.');
+        }
+        if (!\in_array('b64', $protectedHeader['crit'], true)) {
+            throw new \LogicException('The protected header parameter "crit" must contain "b64" when protected header parameter "b64" is set.');
+        }
+    }
+
+    private function findSignatureAlgorithm(JWK $key, array $protectedHeader, array $header): SignatureAlgorithm
+    {
+        $completeHeader = \array_merge($header, $protectedHeader);
+        if (!\array_key_exists('alg', $completeHeader)) {
+            throw new \InvalidArgumentException('No "alg" parameter set in the header.');
+        }
+        if ($key->has('alg') && $key->get('alg') !== $completeHeader['alg']) {
+            throw new \InvalidArgumentException(\sprintf('The algorithm "%s" is not allowed with this key.', $completeHeader['alg']));
+        }
+
+        $signatureAlgorithm = $this->signatureAlgorithmManager->get($completeHeader['alg']);
+        if (!$signatureAlgorithm instanceof SignatureAlgorithm) {
+            throw new \InvalidArgumentException(\sprintf('The algorithm "%s" is not supported.', $completeHeader['alg']));
+        }
+
+        return $signatureAlgorithm;
+    }
+
+    private function checkDuplicatedHeaderParameters(array $header1, array $header2)
+    {
+        $inter = \array_intersect_key($header1, $header2);
+        if (!empty($inter)) {
+            throw new \InvalidArgumentException(\sprintf('The header contains duplicated entries: %s.', \implode(', ', \array_keys($inter))));
+        }
+    }
+}
diff --git a/vendor/web-token/jwt-signature/JWSBuilderFactory.php b/vendor/web-token/jwt-signature/JWSBuilderFactory.php
new file mode 100644
index 0000000..1c0e6c9
--- /dev/null
+++ b/vendor/web-token/jwt-signature/JWSBuilderFactory.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature;
+
+use Jose\Component\Core\AlgorithmManagerFactory;
+use Jose\Component\Core\Converter\JsonConverter;
+
+class JWSBuilderFactory
+{
+    /**
+     * @var JsonConverter|null
+     */
+    private $jsonConverter;
+
+    /**
+     * @var AlgorithmManagerFactory
+     */
+    private $signatureAlgorithmManagerFactory;
+
+    /**
+     * JWSBuilderFactory constructor.
+     */
+    public function __construct(?JsonConverter $jsonConverter, AlgorithmManagerFactory $signatureAlgorithmManagerFactory)
+    {
+        $this->jsonConverter = $jsonConverter;
+        $this->signatureAlgorithmManagerFactory = $signatureAlgorithmManagerFactory;
+    }
+
+    /**
+     * This method creates a JWSBuilder using the given algorithm aliases.
+     *
+     * @param string[] $algorithms
+     */
+    public function create(array $algorithms): JWSBuilder
+    {
+        $algorithmManager = $this->signatureAlgorithmManagerFactory->create($algorithms);
+
+        return new JWSBuilder($this->jsonConverter, $algorithmManager);
+    }
+}
diff --git a/vendor/web-token/jwt-signature/JWSLoader.php b/vendor/web-token/jwt-signature/JWSLoader.php
new file mode 100644
index 0000000..b7eb8dd
--- /dev/null
+++ b/vendor/web-token/jwt-signature/JWSLoader.php
@@ -0,0 +1,122 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature;
+
+use Jose\Component\Checker\HeaderCheckerManager;
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\JWKSet;
+use Jose\Component\Signature\Serializer\JWSSerializerManager;
+
+class JWSLoader
+{
+    /**
+     * @var JWSVerifier
+     */
+    private $jwsVerifier;
+
+    /**
+     * @var HeaderCheckerManager|null
+     */
+    private $headerCheckerManager;
+
+    /**
+     * @var JWSSerializerManager
+     */
+    private $serializerManager;
+
+    /**
+     * JWSLoader constructor.
+     */
+    public function __construct(JWSSerializerManager $serializerManager, JWSVerifier $jwsVerifier, ?HeaderCheckerManager $headerCheckerManager)
+    {
+        $this->serializerManager = $serializerManager;
+        $this->jwsVerifier = $jwsVerifier;
+        $this->headerCheckerManager = $headerCheckerManager;
+    }
+
+    /**
+     * Returns the JWSVerifier associated to the JWSLoader.
+     */
+    public function getJwsVerifier(): JWSVerifier
+    {
+        return $this->jwsVerifier;
+    }
+
+    /**
+     * Returns the Header Checker Manager associated to the JWSLoader.
+     */
+    public function getHeaderCheckerManager(): ?HeaderCheckerManager
+    {
+        return $this->headerCheckerManager;
+    }
+
+    /**
+     * Returns the JWSSerializer associated to the JWSLoader.
+     */
+    public function getSerializerManager(): JWSSerializerManager
+    {
+        return $this->serializerManager;
+    }
+
+    /**
+     * This method will try to load and verify the token using the given key.
+     * It returns a JWS and will populate the $signature variable in case of success, otherwise an exception is thrown.
+     *
+     * @throws \Exception
+     */
+    public function loadAndVerifyWithKey(string $token, JWK $key, ?int &$signature, ?string $payload = null): JWS
+    {
+        $keyset = new JWKSet([$key]);
+
+        return $this->loadAndVerifyWithKeySet($token, $keyset, $signature, $payload);
+    }
+
+    /**
+     * This method will try to load and verify the token using the given key set.
+     * It returns a JWS and will populate the $signature variable in case of success, otherwise an exception is thrown.
+     *
+     * @throws \Exception
+     */
+    public function loadAndVerifyWithKeySet(string $token, JWKSet $keyset, ?int &$signature, ?string $payload = null): JWS
+    {
+        try {
+            $jws = $this->serializerManager->unserialize($token);
+            $nbSignatures = $jws->countSignatures();
+            for ($i = 0; $i < $nbSignatures; ++$i) {
+                if ($this->processSignature($jws, $keyset, $i, $payload)) {
+                    $signature = $i;
+
+                    return $jws;
+                }
+            }
+        } catch (\Exception $e) {
+            // Nothing to do. Exception thrown just after
+        }
+
+        throw new \Exception('Unable to load and verify the token.');
+    }
+
+    private function processSignature(JWS $jws, JWKSet $keyset, int $signature, ?string $payload): bool
+    {
+        try {
+            if (null !== $this->headerCheckerManager) {
+                $this->headerCheckerManager->check($jws, $signature);
+            }
+
+            return $this->jwsVerifier->verifyWithKeySet($jws, $keyset, $signature, $payload);
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+}
diff --git a/vendor/web-token/jwt-signature/JWSLoaderFactory.php b/vendor/web-token/jwt-signature/JWSLoaderFactory.php
new file mode 100644
index 0000000..3517cd5
--- /dev/null
+++ b/vendor/web-token/jwt-signature/JWSLoaderFactory.php
@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature;
+
+use Jose\Component\Checker\HeaderCheckerManagerFactory;
+use Jose\Component\Signature\Serializer\JWSSerializerManagerFactory;
+
+class JWSLoaderFactory
+{
+    /**
+     * @var JWSVerifierFactory
+     */
+    private $jwsVerifierFactory;
+
+    /**
+     * @var JWSSerializerManagerFactory
+     */
+    private $jwsSerializerManagerFactory;
+
+    /**
+     * @var HeaderCheckerManagerFactory|null
+     */
+    private $headerCheckerManagerFactory = null;
+
+    /**
+     * JWSLoaderFactory constructor.
+     */
+    public function __construct(JWSSerializerManagerFactory $jwsSerializerManagerFactory, JWSVerifierFactory $jwsVerifierFactory, ?HeaderCheckerManagerFactory $headerCheckerManagerFactory)
+    {
+        $this->jwsSerializerManagerFactory = $jwsSerializerManagerFactory;
+        $this->jwsVerifierFactory = $jwsVerifierFactory;
+        $this->headerCheckerManagerFactory = $headerCheckerManagerFactory;
+    }
+
+    /**
+     * Creates a JWSLoader using the given serializer aliases, signature algorithm aliases and (optionally)
+     * the header checker aliases.
+     */
+    public function create(array $serializers, array $algorithms, array $headerCheckers = []): JWSLoader
+    {
+        $serializerManager = $this->jwsSerializerManagerFactory->create($serializers);
+        $jwsVerifier = $this->jwsVerifierFactory->create($algorithms);
+        if (null !== $this->headerCheckerManagerFactory) {
+            $headerCheckerManager = $this->headerCheckerManagerFactory->create($headerCheckers);
+        } else {
+            $headerCheckerManager = null;
+        }
+
+        return new JWSLoader($serializerManager, $jwsVerifier, $headerCheckerManager);
+    }
+}
diff --git a/vendor/web-token/jwt-signature/JWSTokenSupport.php b/vendor/web-token/jwt-signature/JWSTokenSupport.php
new file mode 100644
index 0000000..667f3fc
--- /dev/null
+++ b/vendor/web-token/jwt-signature/JWSTokenSupport.php
@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature;
+
+use Jose\Component\Checker\TokenTypeSupport;
+use Jose\Component\Core\JWT;
+
+final class JWSTokenSupport implements TokenTypeSupport
+{
+    public function supports(JWT $jwt): bool
+    {
+        return $jwt instanceof JWS;
+    }
+
+    public function retrieveTokenHeaders(JWT $jwt, int $index, array &$protectedHeader, array &$unprotectedHeader): void
+    {
+        if (!$jwt instanceof JWS) {
+            return;
+        }
+
+        if ($index > $jwt->countSignatures()) {
+            throw new \InvalidArgumentException('Unknown signature index.');
+        }
+        $protectedHeader = $jwt->getSignature($index)->getProtectedHeader();
+        $unprotectedHeader = $jwt->getSignature($index)->getHeader();
+    }
+}
diff --git a/vendor/web-token/jwt-signature/JWSVerifier.php b/vendor/web-token/jwt-signature/JWSVerifier.php
new file mode 100644
index 0000000..bf49150
--- /dev/null
+++ b/vendor/web-token/jwt-signature/JWSVerifier.php
@@ -0,0 +1,160 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature;
+
+use Base64Url\Base64Url;
+use Jose\Component\Core\AlgorithmManager;
+use Jose\Component\Core\JWK;
+use Jose\Component\Core\JWKSet;
+use Jose\Component\Core\Util\KeyChecker;
+use Jose\Component\Signature\Algorithm\SignatureAlgorithm;
+
+class JWSVerifier
+{
+    /**
+     * @var AlgorithmManager
+     */
+    private $signatureAlgorithmManager;
+
+    /**
+     * JWSVerifier constructor.
+     */
+    public function __construct(AlgorithmManager $signatureAlgorithmManager)
+    {
+        $this->signatureAlgorithmManager = $signatureAlgorithmManager;
+    }
+
+    /**
+     * Returns the algorithm manager associated to the JWSVerifier.
+     */
+    public function getSignatureAlgorithmManager(): AlgorithmManager
+    {
+        return $this->signatureAlgorithmManager;
+    }
+
+    /**
+     * This method will try to verify the JWS object using the given key and for the given signature.
+     * It returns true if the signature is verified, otherwise false.
+     *
+     * @return bool true if the verification of the signature succeeded, else false
+     */
+    public function verifyWithKey(JWS $jws, JWK $jwk, int $signature, ?string $detachedPayload = null): bool
+    {
+        $jwkset = new JWKSet([$jwk]);
+
+        return $this->verifyWithKeySet($jws, $jwkset, $signature, $detachedPayload);
+    }
+
+    /**
+     * This method will try to verify the JWS object using the given key set and for the given signature.
+     * It returns true if the signature is verified, otherwise false.
+     *
+     * @param JWS         $jws             A JWS object
+     * @param JWKSet      $jwkset          The signature will be verified using keys in the key set
+     * @param string|null $detachedPayload If not null, the value must be the detached payload encoded in Base64 URL safe. If the input contains a payload, throws an exception.
+     *
+     * @return bool true if the verification of the signature succeeded, else false
+     */
+    public function verifyWithKeySet(JWS $jws, JWKSet $jwkset, int $signature, ?string $detachedPayload = null): bool
+    {
+        $this->checkJWKSet($jwkset);
+        $this->checkSignatures($jws);
+        $this->checkPayload($jws, $detachedPayload);
+
+        $signature = $jws->getSignature($signature);
+
+        return $this->verifySignature($jws, $jwkset, $signature, $detachedPayload);
+    }
+
+    private function verifySignature(JWS $jws, JWKSet $jwkset, Signature $signature, ?string $detachedPayload = null): bool
+    {
+        $input = $this->getInputToVerify($jws, $signature, $detachedPayload);
+        foreach ($jwkset->all() as $jwk) {
+            $algorithm = $this->getAlgorithm($signature);
+
+            try {
+                KeyChecker::checkKeyUsage($jwk, 'verification');
+                KeyChecker::checkKeyAlgorithm($jwk, $algorithm->name());
+                if (!\in_array($jwk->get('kty'), $algorithm->allowedKeyTypes(), true)) {
+                    throw new \InvalidArgumentException('Wrong key type.');
+                }
+                if (true === $algorithm->verify($jwk, $input, $signature->getSignature())) {
+                    return true;
+                }
+            } catch (\Exception $e) {
+                //We do nothing, we continue with other keys
+                continue;
+            }
+        }
+
+        return false;
+    }
+
+    private function getInputToVerify(JWS $jws, Signature $signature, ?string $detachedPayload): string
+    {
+        $encodedProtectedHeader = $signature->getEncodedProtectedHeader();
+        if (!$signature->hasProtectedHeaderParameter('b64') || true === $signature->getProtectedHeaderParameter('b64')) {
+            if (null !== $jws->getEncodedPayload()) {
+                return \sprintf('%s.%s', $encodedProtectedHeader, $jws->getEncodedPayload());
+            }
+
+            $payload = empty($jws->getPayload()) ? $detachedPayload : $jws->getPayload();
+
+            return \sprintf('%s.%s', $encodedProtectedHeader, Base64Url::encode($payload));
+        }
+
+        $payload = empty($jws->getPayload()) ? $detachedPayload : $jws->getPayload();
+
+        return \sprintf('%s.%s', $encodedProtectedHeader, $payload);
+    }
+
+    private function checkSignatures(JWS $jws)
+    {
+        if (0 === $jws->countSignatures()) {
+            throw new \InvalidArgumentException('The JWS does not contain any signature.');
+        }
+    }
+
+    private function checkJWKSet(JWKSet $jwkset)
+    {
+        if (0 === \count($jwkset)) {
+            throw new \InvalidArgumentException('There is no key in the key set.');
+        }
+    }
+
+    private function checkPayload(JWS $jws, ?string $detachedPayload = null)
+    {
+        if (null !== $detachedPayload && !empty($jws->getPayload())) {
+            throw new \InvalidArgumentException('A detached payload is set, but the JWS already has a payload.');
+        }
+        if (empty($jws->getPayload()) && null === $detachedPayload) {
+            throw new \InvalidArgumentException('The JWS has a detached payload, but no payload is provided.');
+        }
+    }
+
+    private function getAlgorithm(Signature $signature): SignatureAlgorithm
+    {
+        $completeHeader = \array_merge($signature->getProtectedHeader(), $signature->getHeader());
+        if (!\array_key_exists('alg', $completeHeader)) {
+            throw new \InvalidArgumentException('No "alg" parameter set in the header.');
+        }
+
+        $algorithm = $this->signatureAlgorithmManager->get($completeHeader['alg']);
+        if (!$algorithm instanceof SignatureAlgorithm) {
+            throw new \InvalidArgumentException(\sprintf('The algorithm "%s" is not supported or is not a signature algorithm.', $completeHeader['alg']));
+        }
+
+        return $algorithm;
+    }
+}
diff --git a/vendor/web-token/jwt-signature/JWSVerifierFactory.php b/vendor/web-token/jwt-signature/JWSVerifierFactory.php
new file mode 100644
index 0000000..49bb868
--- /dev/null
+++ b/vendor/web-token/jwt-signature/JWSVerifierFactory.php
@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature;
+
+use Jose\Component\Core\AlgorithmManagerFactory;
+
+class JWSVerifierFactory
+{
+    /**
+     * @var AlgorithmManagerFactory
+     */
+    private $algorithmManagerFactory;
+
+    /**
+     * JWSVerifierFactory constructor.
+     */
+    public function __construct(AlgorithmManagerFactory $algorithmManagerFactory)
+    {
+        $this->algorithmManagerFactory = $algorithmManagerFactory;
+    }
+
+    /**
+     * Creates a JWSVerifier using the given signature algorithm aliases.
+     *
+     * @param string[] $algorithms
+     */
+    public function create(array $algorithms): JWSVerifier
+    {
+        $algorithmManager = $this->algorithmManagerFactory->create($algorithms);
+
+        return new JWSVerifier($algorithmManager);
+    }
+}
diff --git a/vendor/web-token/jwt-signature/LICENSE b/vendor/web-token/jwt-signature/LICENSE
new file mode 100644
index 0000000..a098645
--- /dev/null
+++ b/vendor/web-token/jwt-signature/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018 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.
diff --git a/vendor/web-token/jwt-signature/Serializer/CompactSerializer.php b/vendor/web-token/jwt-signature/Serializer/CompactSerializer.php
new file mode 100644
index 0000000..7e26d79
--- /dev/null
+++ b/vendor/web-token/jwt-signature/Serializer/CompactSerializer.php
@@ -0,0 +1,97 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Serializer;
+
+use Base64Url\Base64Url;
+use Jose\Component\Core\Converter\JsonConverter;
+use Jose\Component\Signature\JWS;
+
+final class CompactSerializer extends Serializer
+{
+    public const NAME = 'jws_compact';
+
+    /**
+     * @var JsonConverter
+     */
+    private $jsonConverter;
+
+    /**
+     * JSONFlattenedSerializer constructor.
+     */
+    public function __construct(?JsonConverter $jsonConverter = null)
+    {
+        $this->jsonConverter = $jsonConverter ?? new \Jose\Component\Core\Util\JsonConverter();
+    }
+
+    public function displayName(): string
+    {
+        return 'JWS Compact';
+    }
+
+    public function name(): string
+    {
+        return self::NAME;
+    }
+
+    public function serialize(JWS $jws, ?int $signatureIndex = null): string
+    {
+        if (null === $signatureIndex) {
+            $signatureIndex = 0;
+        }
+        $signature = $jws->getSignature($signatureIndex);
+        if (!empty($signature->getHeader())) {
+            throw new \LogicException('The signature contains unprotected header parameters and cannot be converted into compact JSON.');
+        }
+        if (!$this->isPayloadEncoded($signature->getProtectedHeader()) && !empty($jws->getEncodedPayload())) {
+            if (1 !== \preg_match('/^[\x{20}-\x{2d}|\x{2f}-\x{7e}]*$/u', $jws->getPayload())) {
+                throw new \LogicException('Unable to convert the JWS with non-encoded payload.');
+            }
+        }
+
+        return \sprintf(
+            '%s.%s.%s',
+            $signature->getEncodedProtectedHeader(),
+            $jws->getEncodedPayload(),
+            Base64Url::encode($signature->getSignature())
+        );
+    }
+
+    public function unserialize(string $input): JWS
+    {
+        $parts = \explode('.', $input);
+        if (3 !== \count($parts)) {
+            throw new \InvalidArgumentException('Unsupported input');
+        }
+
+        try {
+            $encodedProtectedHeader = $parts[0];
+            $protectedHeader = $this->jsonConverter->decode(Base64Url::decode($parts[0]));
+            if (empty($parts[1])) {
+                $payload = null;
+                $encodedPayload = null;
+            } else {
+                $encodedPayload = $parts[1];
+                $payload = $this->isPayloadEncoded($protectedHeader) ? Base64Url::decode($encodedPayload) : $encodedPayload;
+            }
+            $signature = Base64Url::decode($parts[2]);
+
+            $jws = JWS::create($payload, $encodedPayload, empty($parts[1]));
+            $jws = $jws->addSignature($signature, $protectedHeader, $encodedProtectedHeader);
+
+            return $jws;
+        } catch (\Error | \Exception $e) {
+            throw new \InvalidArgumentException('Unsupported input');
+        }
+    }
+}
diff --git a/vendor/web-token/jwt-signature/Serializer/JSONFlattenedSerializer.php b/vendor/web-token/jwt-signature/Serializer/JSONFlattenedSerializer.php
new file mode 100644
index 0000000..82b79ab
--- /dev/null
+++ b/vendor/web-token/jwt-signature/Serializer/JSONFlattenedSerializer.php
@@ -0,0 +1,109 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Serializer;
+
+use Base64Url\Base64Url;
+use Jose\Component\Core\Converter\JsonConverter;
+use Jose\Component\Signature\JWS;
+
+final class JSONFlattenedSerializer extends Serializer
+{
+    public const NAME = 'jws_json_flattened';
+
+    /**
+     * @var JsonConverter|\Jose\Component\Core\Util\JsonConverter|null
+     */
+    private $jsonConverter;
+
+    /**
+     * JSONFlattenedSerializer constructor.
+     */
+    public function __construct(?JsonConverter $jsonConverter = null)
+    {
+        $this->jsonConverter = $jsonConverter ?? new \Jose\Component\Core\Util\JsonConverter();
+    }
+
+    public function displayName(): string
+    {
+        return 'JWS JSON Flattened';
+    }
+
+    public function name(): string
+    {
+        return self::NAME;
+    }
+
+    public function serialize(JWS $jws, ?int $signatureIndex = null): string
+    {
+        if (null === $signatureIndex) {
+            $signatureIndex = 0;
+        }
+        $signature = $jws->getSignature($signatureIndex);
+
+        $data = [];
+        $values = [
+            'payload' => $jws->getEncodedPayload(),
+            'protected' => $signature->getEncodedProtectedHeader(),
+            'header' => $signature->getHeader(),
+        ];
+
+        foreach ($values as $key => $value) {
+            if (!empty($value)) {
+                $data[$key] = $value;
+            }
+        }
+        $data['signature'] = Base64Url::encode($signature->getSignature());
+
+        return $this->jsonConverter->encode($data);
+    }
+
+    public function unserialize(string $input): JWS
+    {
+        $data = $this->jsonConverter->decode($input);
+        if (!\is_array($data) || !\array_key_exists('signature', $data)) {
+            throw new \InvalidArgumentException('Unsupported input.');
+        }
+
+        $signature = Base64Url::decode($data['signature']);
+
+        if (\array_key_exists('protected', $data)) {
+            $encodedProtectedHeader = $data['protected'];
+            $protectedHeader = $this->jsonConverter->decode(Base64Url::decode($data['protected']));
+        } else {
+            $encodedProtectedHeader = null;
+            $protectedHeader = [];
+        }
+        if (\array_key_exists('header', $data)) {
+            if (!\is_array($data['header'])) {
+                throw new \InvalidArgumentException('Bad header.');
+            }
+            $header = $data['header'];
+        } else {
+            $header = [];
+        }
+
+        if (\array_key_exists('payload', $data)) {
+            $encodedPayload = $data['payload'];
+            $payload = $this->isPayloadEncoded($protectedHeader) ? Base64Url::decode($encodedPayload) : $encodedPayload;
+        } else {
+            $payload = null;
+            $encodedPayload = null;
+        }
+
+        $jws = JWS::create($payload, $encodedPayload, null === $encodedPayload);
+        $jws = $jws->addSignature($signature, $protectedHeader, $encodedProtectedHeader, $header);
+
+        return $jws;
+    }
+}
diff --git a/vendor/web-token/jwt-signature/Serializer/JSONGeneralSerializer.php b/vendor/web-token/jwt-signature/Serializer/JSONGeneralSerializer.php
new file mode 100644
index 0000000..35958c6
--- /dev/null
+++ b/vendor/web-token/jwt-signature/Serializer/JSONGeneralSerializer.php
@@ -0,0 +1,174 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Serializer;
+
+use Base64Url\Base64Url;
+use Jose\Component\Core\Converter\JsonConverter;
+use Jose\Component\Signature\JWS;
+
+final class JSONGeneralSerializer extends Serializer
+{
+    public const NAME = 'jws_json_general';
+
+    /**
+     * @var \Jose\Component\Core\Util\JsonConverter
+     */
+    private $jsonConverter;
+
+    /**
+     * JSONFlattenedSerializer constructor.
+     */
+    public function __construct(?JsonConverter $jsonConverter = null)
+    {
+        $this->jsonConverter = $jsonConverter ?? new \Jose\Component\Core\Util\JsonConverter();
+    }
+
+    public function displayName(): string
+    {
+        return 'JWS JSON General';
+    }
+
+    public function name(): string
+    {
+        return self::NAME;
+    }
+
+    public function serialize(JWS $jws, ?int $signatureIndex = null): string
+    {
+        if (0 === $jws->countSignatures()) {
+            throw new \LogicException('No signature.');
+        }
+
+        $data = [];
+        $this->checkPayloadEncoding($jws);
+
+        if (false === $jws->isPayloadDetached()) {
+            $data['payload'] = $jws->getEncodedPayload();
+        }
+
+        $data['signatures'] = [];
+        foreach ($jws->getSignatures() as $signature) {
+            $tmp = ['signature' => Base64Url::encode($signature->getSignature())];
+            $values = [
+                'protected' => $signature->getEncodedProtectedHeader(),
+                'header' => $signature->getHeader(),
+            ];
+
+            foreach ($values as $key => $value) {
+                if (!empty($value)) {
+                    $tmp[$key] = $value;
+                }
+            }
+            $data['signatures'][] = $tmp;
+        }
+
+        return $this->jsonConverter->encode($data);
+    }
+
+    private function checkData($data)
+    {
+        if (!\is_array($data) || !\array_key_exists('signatures', $data)) {
+            throw new \InvalidArgumentException('Unsupported input.');
+        }
+    }
+
+    private function checkSignature($signature)
+    {
+        if (!\is_array($signature) || !\array_key_exists('signature', $signature)) {
+            throw new \InvalidArgumentException('Unsupported input.');
+        }
+    }
+
+    public function unserialize(string $input): JWS
+    {
+        $data = $this->jsonConverter->decode($input);
+        $this->checkData($data);
+
+        $isPayloadEncoded = null;
+        $rawPayload = \array_key_exists('payload', $data) ? $data['payload'] : null;
+        $signatures = [];
+        foreach ($data['signatures'] as $signature) {
+            $this->checkSignature($signature);
+            list($encodedProtectedHeader, $protectedHeader, $header) = $this->processHeaders($signature);
+            $signatures[] = [
+                'signature' => Base64Url::decode($signature['signature']),
+                'protected' => $protectedHeader,
+                'encoded_protected' => $encodedProtectedHeader,
+                'header' => $header,
+            ];
+            $isPayloadEncoded = $this->processIsPayloadEncoded($isPayloadEncoded, $protectedHeader);
+        }
+
+        $payload = $this->processPayload($rawPayload, $isPayloadEncoded);
+        $jws = JWS::create($payload, $rawPayload);
+        foreach ($signatures as $signature) {
+            $jws = $jws->addSignature(
+                $signature['signature'],
+                $signature['protected'],
+                $signature['encoded_protected'],
+                $signature['header']
+            );
+        }
+
+        return $jws;
+    }
+
+    private function processIsPayloadEncoded(?bool $isPayloadEncoded, array $protectedHeader): bool
+    {
+        if (null === $isPayloadEncoded) {
+            return self::isPayloadEncoded($protectedHeader);
+        }
+        if ($this->isPayloadEncoded($protectedHeader) !== $isPayloadEncoded) {
+            throw new \InvalidArgumentException('Foreign payload encoding detected.');
+        }
+
+        return $isPayloadEncoded;
+    }
+
+    private function processHeaders(array $signature): array
+    {
+        $encodedProtectedHeader = \array_key_exists('protected', $signature) ? $signature['protected'] : null;
+        $protectedHeader = null !== $encodedProtectedHeader ? $this->jsonConverter->decode(Base64Url::decode($encodedProtectedHeader)) : [];
+        $header = \array_key_exists('header', $signature) ? $signature['header'] : [];
+
+        return [$encodedProtectedHeader, $protectedHeader, $header];
+    }
+
+    private function processPayload(?string $rawPayload, ?bool $isPayloadEncoded): ?string
+    {
+        if (null === $rawPayload) {
+            return null;
+        }
+
+        return false === $isPayloadEncoded ? $rawPayload : Base64Url::decode($rawPayload);
+    }
+
+    private function checkPayloadEncoding(JWS $jws)
+    {
+        if ($jws->isPayloadDetached()) {
+            return;
+        }
+        $is_encoded = null;
+        foreach ($jws->getSignatures() as $signature) {
+            if (null === $is_encoded) {
+                $is_encoded = $this->isPayloadEncoded($signature->getProtectedHeader());
+            }
+            if (false === $jws->isPayloadDetached()) {
+                if ($is_encoded !== $this->isPayloadEncoded($signature->getProtectedHeader())) {
+                    throw new \LogicException('Foreign payload encoding detected.');
+                }
+            }
+        }
+    }
+}
diff --git a/vendor/web-token/jwt-signature/Serializer/JWSSerializer.php b/vendor/web-token/jwt-signature/Serializer/JWSSerializer.php
new file mode 100644
index 0000000..285aef4
--- /dev/null
+++ b/vendor/web-token/jwt-signature/Serializer/JWSSerializer.php
@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Serializer;
+
+use Jose\Component\Signature\JWS;
+
+interface JWSSerializer
+{
+    /**
+     * The name of the serialization.
+     */
+    public function name(): string;
+
+    public function displayName(): string;
+
+    /**
+     * Converts a JWS into a string.
+     *
+     * @throws \Exception
+     */
+    public function serialize(JWS $jws, ?int $signatureIndex = null): string;
+
+    /**
+     * Loads data and return a JWS object.
+     *
+     * @param string $input A string that represents a JWS
+     *
+     * @throws \Exception
+     */
+    public function unserialize(string $input): JWS;
+}
diff --git a/vendor/web-token/jwt-signature/Serializer/JWSSerializerManager.php b/vendor/web-token/jwt-signature/Serializer/JWSSerializerManager.php
new file mode 100644
index 0000000..198dfd1
--- /dev/null
+++ b/vendor/web-token/jwt-signature/Serializer/JWSSerializerManager.php
@@ -0,0 +1,104 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Serializer;
+
+use Jose\Component\Signature\JWS;
+
+class JWSSerializerManager
+{
+    /**
+     * @var JWSSerializer[]
+     */
+    private $serializers = [];
+
+    /**
+     * JWSSerializerManager constructor.
+     *
+     * @param JWSSerializer[] $serializers
+     */
+    public function __construct(array $serializers)
+    {
+        foreach ($serializers as $serializer) {
+            $this->add($serializer);
+        }
+    }
+
+    /**
+     * @deprecated Will be removed in v2.0. Please use constructor instead
+     *
+     * @param JWSSerializer[] $serializers
+     *
+     * @return JWSSerializerManager
+     */
+    public static function create(array $serializers): self
+    {
+        return new self($serializers);
+    }
+
+    /**
+     * @return JWSSerializerManager
+     */
+    private function add(JWSSerializer $serializer): self
+    {
+        $this->serializers[$serializer->name()] = $serializer;
+
+        return $this;
+    }
+
+    /**
+     * @return string[]
+     */
+    public function list(): array
+    {
+        return \array_keys($this->serializers);
+    }
+
+    /**
+     * Converts a JWS into a string.
+     *
+     * @throws \Exception
+     */
+    public function serialize(string $name, JWS $jws, ?int $signatureIndex = null): string
+    {
+        if (!\array_key_exists($name, $this->serializers)) {
+            throw new \InvalidArgumentException(\sprintf('Unsupported serializer "%s".', $name));
+        }
+
+        return ($this->serializers[$name])->serialize($jws, $signatureIndex);
+    }
+
+    /**
+     * Loads data and return a JWS object.
+     *
+     * @param string      $input A string that represents a JWS
+     * @param string|null $name  the name of the serializer if the input is unserialized
+     *
+     * @throws \Exception
+     */
+    public function unserialize(string $input, ?string &$name = null): JWS
+    {
+        foreach ($this->serializers as $serializer) {
+            try {
+                $jws = $serializer->unserialize($input);
+                $name = $serializer->name();
+
+                return $jws;
+            } catch (\InvalidArgumentException $e) {
+                continue;
+            }
+        }
+
+        throw new \InvalidArgumentException('Unsupported input.');
+    }
+}
diff --git a/vendor/web-token/jwt-signature/Serializer/JWSSerializerManagerFactory.php b/vendor/web-token/jwt-signature/Serializer/JWSSerializerManagerFactory.php
new file mode 100644
index 0000000..1b2c234
--- /dev/null
+++ b/vendor/web-token/jwt-signature/Serializer/JWSSerializerManagerFactory.php
@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Serializer;
+
+class JWSSerializerManagerFactory
+{
+    /**
+     * @var JWSSerializer[]
+     */
+    private $serializers = [];
+
+    /**
+     * @param string[] $names
+     */
+    public function create(array $names): JWSSerializerManager
+    {
+        $serializers = [];
+        foreach ($names as $name) {
+            if (!\array_key_exists($name, $this->serializers)) {
+                throw new \InvalidArgumentException(\sprintf('Unsupported serialiser "%s".', $name));
+            }
+            $serializers[] = $this->serializers[$name];
+        }
+
+        return JWSSerializerManager::create($serializers);
+    }
+
+    /**
+     * @return string[]
+     */
+    public function names(): array
+    {
+        return \array_keys($this->serializers);
+    }
+
+    /**
+     * @return JWSSerializer[]
+     */
+    public function all(): array
+    {
+        return $this->serializers;
+    }
+
+    /**
+     * @return JWSSerializerManagerFactory
+     */
+    public function add(JWSSerializer $serializer): self
+    {
+        $this->serializers[$serializer->name()] = $serializer;
+
+        return $this;
+    }
+}
diff --git a/vendor/web-token/jwt-signature/Serializer/Serializer.php b/vendor/web-token/jwt-signature/Serializer/Serializer.php
new file mode 100644
index 0000000..85636b6
--- /dev/null
+++ b/vendor/web-token/jwt-signature/Serializer/Serializer.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Serializer;
+
+abstract class Serializer implements JWSSerializer
+{
+    protected function isPayloadEncoded(array $protectedHeader): bool
+    {
+        return !\array_key_exists('b64', $protectedHeader) || true === $protectedHeader['b64'];
+    }
+}
diff --git a/vendor/web-token/jwt-signature/Signature.php b/vendor/web-token/jwt-signature/Signature.php
new file mode 100644
index 0000000..9b2ef20
--- /dev/null
+++ b/vendor/web-token/jwt-signature/Signature.php
@@ -0,0 +1,144 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature;
+
+class Signature
+{
+    /**
+     * @var string|null
+     */
+    private $encodedProtectedHeader;
+
+    /**
+     * @var array
+     */
+    private $protectedHeader;
+
+    /**
+     * @var array
+     */
+    private $header;
+
+    /**
+     * @var string
+     */
+    private $signature;
+
+    /**
+     * Signature constructor.
+     */
+    private function __construct(string $signature, array $protectedHeader, ?string $encodedProtectedHeader, array $header)
+    {
+        $this->protectedHeader = null === $encodedProtectedHeader ? [] : $protectedHeader;
+        $this->encodedProtectedHeader = $encodedProtectedHeader;
+        $this->signature = $signature;
+        $this->header = $header;
+    }
+
+    /**
+     * Creates a new signature.
+     *
+     * @internal
+     *
+     * @return Signature
+     */
+    public static function create(string $signature, array $protectedHeader, ?string $encodedProtectedHeader, array $header = []): self
+    {
+        return new self($signature, $protectedHeader, $encodedProtectedHeader, $header);
+    }
+
+    /**
+     * The protected header associated with the signature.
+     */
+    public function getProtectedHeader(): array
+    {
+        return $this->protectedHeader;
+    }
+
+    /**
+     * The unprotected header associated with the signature.
+     */
+    public function getHeader(): array
+    {
+        return $this->header;
+    }
+
+    /**
+     * The protected header associated with the signature.
+     */
+    public function getEncodedProtectedHeader(): ?string
+    {
+        return $this->encodedProtectedHeader;
+    }
+
+    /**
+     * Returns the value of the protected header of the specified key.
+     *
+     * @param string $key The key
+     *
+     * @return mixed|null Header value
+     */
+    public function getProtectedHeaderParameter(string $key)
+    {
+        if ($this->hasProtectedHeaderParameter($key)) {
+            return $this->getProtectedHeader()[$key];
+        }
+
+        throw new \InvalidArgumentException(\sprintf('The protected header "%s" does not exist', $key));
+    }
+
+    /**
+     * Returns true if the protected header has the given parameter.
+     *
+     * @param string $key The key
+     */
+    public function hasProtectedHeaderParameter(string $key): bool
+    {
+        return \array_key_exists($key, $this->getProtectedHeader());
+    }
+
+    /**
+     * Returns the value of the unprotected header of the specified key.
+     *
+     * @param string $key The key
+     *
+     * @return mixed|null Header value
+     */
+    public function getHeaderParameter(string $key)
+    {
+        if ($this->hasHeaderParameter($key)) {
+            return $this->header[$key];
+        }
+
+        throw new \InvalidArgumentException(\sprintf('The header "%s" does not exist', $key));
+    }
+
+    /**
+     * Returns true if the unprotected header has the given parameter.
+     *
+     * @param string $key The key
+     */
+    public function hasHeaderParameter(string $key): bool
+    {
+        return \array_key_exists($key, $this->header);
+    }
+
+    /**
+     * Returns the value of the signature.
+     */
+    public function getSignature(): string
+    {
+        return $this->signature;
+    }
+}
diff --git a/vendor/web-token/jwt-signature/Util/RSA.php b/vendor/web-token/jwt-signature/Util/RSA.php
new file mode 100644
index 0000000..e71e6da
--- /dev/null
+++ b/vendor/web-token/jwt-signature/Util/RSA.php
@@ -0,0 +1,229 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Signature\Util;
+
+use Jose\Component\Core\Util\BigInteger;
+use Jose\Component\Core\Util\Hash;
+use Jose\Component\Core\Util\RSAKey;
+
+/**
+ * @internal
+ */
+class RSA
+{
+    /**
+     * Probabilistic Signature Scheme.
+     */
+    public const SIGNATURE_PSS = 1;
+
+    /**
+     * Use the PKCS#1.
+     */
+    public const SIGNATURE_PKCS1 = 2;
+
+    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];
+        $em = $maskedDB.$h.\chr(0xBC);
+
+        return $em;
+    }
+
+    /**
+     * 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), $temp)) {
+            throw new \InvalidArgumentException();
+        }
+        if (1 !== \ord($db[$temp])) {
+            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);
+    }
+
+    private static function encodeEMSA15(string $m, int $emBits, Hash $hash): string
+    {
+        $h = $hash->hash($m);
+        switch ($hash->name()) {
+            case 'sha256':
+                $t = "\x30\x31\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x05\x00\x04\x20";
+
+                break;
+            case 'sha384':
+                $t = "\x30\x41\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x02\x05\x00\x04\x30";
+
+                break;
+            case 'sha512':
+                $t = "\x30\x51\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x03\x05\x00\x04\x40";
+
+                break;
+            default:
+                throw new \InvalidArgumentException();
+        }
+        $t .= $h;
+        $tLen = \mb_strlen($t, '8bit');
+        if ($emBits < $tLen + 11) {
+            throw new \RuntimeException();
+        }
+        $ps = \str_repeat(\chr(0xFF), $emBits - $tLen - 3);
+        $em2 = "\0\1$ps\0$t";
+
+        return $em2;
+    }
+
+    public static function sign(RSAKey $key, string $message, string $hash, int $mode): string
+    {
+        switch ($mode) {
+            case self::SIGNATURE_PSS:
+                return self::signWithPSS($key, $message, $hash);
+            case self::SIGNATURE_PKCS1:
+                return self::signWithPKCS15($key, $message, $hash);
+            default:
+                throw new \InvalidArgumentException('Unsupported mode.');
+        }
+    }
+
+    /**
+     * Create a signature.
+     */
+    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, $message);
+
+        return self::convertIntegerToOctetString($signature, $key->getModulusLength());
+    }
+
+    /**
+     * Create a signature.
+     */
+    public static function signWithPKCS15(RSAKey $key, string $message, string $hash): string
+    {
+        $em = self::encodeEMSA15($message, $key->getModulusLength(), Hash::$hash());
+        $message = BigInteger::createFromBinaryString($em);
+        $signature = RSAKey::exponentiate($key, $message);
+
+        return self::convertIntegerToOctetString($signature, $key->getModulusLength());
+    }
+
+    public static function verify(RSAKey $key, string $message, string $signature, string $hash, int $mode): bool
+    {
+        switch ($mode) {
+            case self::SIGNATURE_PSS:
+                return self::verifyWithPSS($key, $message, $signature, $hash);
+            case self::SIGNATURE_PKCS1:
+                return self::verifyWithPKCS15($key, $message, $signature, $hash);
+            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 \InvalidArgumentException();
+        }
+        $s2 = BigInteger::createFromBinaryString($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());
+    }
+
+    /**
+     * Verifies a signature.
+     */
+    public static function verifyWithPKCS15(RSAKey $key, string $message, string $signature, string $hash): bool
+    {
+        if (\mb_strlen($signature, '8bit') !== $key->getModulusLength()) {
+            throw new \InvalidArgumentException();
+        }
+        $signature = BigInteger::createFromBinaryString($signature);
+        $m2 = RSAKey::exponentiate($key, $signature);
+        $em = self::convertIntegerToOctetString($m2, $key->getModulusLength());
+
+        return \hash_equals($em, self::encodeEMSA15($message, $key->getModulusLength(), Hash::$hash()));
+    }
+}
diff --git a/vendor/web-token/jwt-signature/composer.json b/vendor/web-token/jwt-signature/composer.json
new file mode 100644
index 0000000..e0ceab9
--- /dev/null
+++ b/vendor/web-token/jwt-signature/composer.json
@@ -0,0 +1,49 @@
+{
+    "name": "web-token/jwt-signature",
+    "description": "Signature component of the JWT Framework.",
+    "type": "library",
+    "license": "MIT",
+    "keywords": ["JWS", "JWT", "JWE", "JWA", "JWK", "JWKSet", "Jot", "Jose", "RFC7515", "RFC7516", "RFC7517", "RFC7518", "RFC7519", "RFC7520", "Bundle", "Symfony"],
+    "homepage": "https://github.com/web-token",
+    "authors": [
+        {
+            "name": "Florent Morselli",
+            "homepage": "https://github.com/Spomky"
+        },{
+            "name": "All contributors",
+            "homepage": "https://github.com/web-token/jwt-signature/contributors"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Jose\\Component\\Signature\\":  ""
+        }
+    },
+    "require": {
+        "web-token/jwt-core": "^1.3",
+        "web-token/jwt-signature-algorithm-ecdsa": "^1.3",
+        "web-token/jwt-signature-algorithm-eddsa": "^1.3",
+        "web-token/jwt-signature-algorithm-hmac": "^1.3",
+        "web-token/jwt-signature-algorithm-none": "^1.3",
+        "web-token/jwt-signature-algorithm-rsa": "^1.3"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^6.0|^7.0"
+    },
+    "suggest": {
+        "web-token/jwt-signature-algorithm-ecdsa": "ECDSA Based Signature Algorithms",
+        "web-token/jwt-signature-algorithm-eddsa": "EdDSA Based Signature Algorithms",
+        "web-token/jwt-signature-algorithm-hmac": "HMAC Based Signature Algorithms",
+        "web-token/jwt-signature-algorithm-none": "None Signature Algorithm",
+        "web-token/jwt-signature-algorithm-rsa": "RSA Based Signature Algorithms",
+        "web-token/jwt-signature-algorithm-experimental": "Experimental Signature Algorithms"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.3.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    }
+}
diff --git a/vendor/web-token/jwt-util-ecc/Curve.php b/vendor/web-token/jwt-util-ecc/Curve.php
new file mode 100644
index 0000000..8c7d07d
--- /dev/null
+++ b/vendor/web-token/jwt-util-ecc/Curve.php
@@ -0,0 +1,315 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util\Ecc;
+
+/**
+ * @internal
+ */
+class Curve
+{
+    /**
+     * Elliptic curve over the field of integers modulo a prime.
+     *
+     * @var \GMP
+     */
+    private $a;
+
+    /**
+     * @var \GMP
+     */
+    private $b;
+
+    /**
+     * @var \GMP
+     */
+    private $prime;
+
+    /**
+     * Binary length of keys associated with these curve parameters.
+     *
+     * @var int
+     */
+    private $size;
+
+    /**
+     * @var Point
+     */
+    private $generator;
+
+    public function __construct(int $size, \GMP $prime, \GMP $a, \GMP $b, Point $generator)
+    {
+        $this->size = $size;
+        $this->prime = $prime;
+        $this->a = $a;
+        $this->b = $b;
+        $this->generator = $generator;
+    }
+
+    public function getA(): \GMP
+    {
+        return $this->a;
+    }
+
+    public function getB(): \GMP
+    {
+        return $this->b;
+    }
+
+    public function getPrime(): \GMP
+    {
+        return $this->prime;
+    }
+
+    public function getSize(): int
+    {
+        return $this->size;
+    }
+
+    public function getPoint(\GMP $x, \GMP $y, ?\GMP $order = null): Point
+    {
+        if (!$this->contains($x, $y)) {
+            throw new \RuntimeException('Curve '.$this->__toString().' does not contain point ('.Math::toString($x).', '.Math::toString($y).')');
+        }
+        $point = Point::create($x, $y, $order);
+        if (!\is_null($order)) {
+            $mul = $this->mul($point, $order);
+            if (!$mul->isInfinity()) {
+                throw new \RuntimeException('SELF * ORDER MUST EQUAL INFINITY. ('.(string) $mul.' found instead)');
+            }
+        }
+
+        return $point;
+    }
+
+    public function getPublicKeyFrom(\GMP $x, \GMP $y): PublicKey
+    {
+        $zero = \gmp_init(0, 10);
+        if (Math::cmp($x, $zero) < 0 || Math::cmp($this->generator->getOrder(), $x) <= 0 || Math::cmp($y, $zero) < 0 || Math::cmp($this->generator->getOrder(), $y) <= 0) {
+            throw new \RuntimeException('Generator point has x and y out of range.');
+        }
+        $point = $this->getPoint($x, $y);
+
+        return PublicKey::create($point);
+    }
+
+    public function contains(\GMP $x, \GMP $y): bool
+    {
+        $eq_zero = Math::equals(
+            ModularArithmetic::sub(
+                Math::pow($y, 2),
+                Math::add(
+                    Math::add(
+                        Math::pow($x, 3),
+                        Math::mul($this->getA(), $x)
+                    ),
+                    $this->getB()
+                ),
+                $this->getPrime()
+            ),
+            \gmp_init(0, 10)
+        );
+
+        return $eq_zero;
+    }
+
+    public function add(Point $one, Point $two): Point
+    {
+        if ($two->isInfinity()) {
+            return clone $one;
+        }
+
+        if ($one->isInfinity()) {
+            return clone $two;
+        }
+
+        if (Math::equals($two->getX(), $one->getX())) {
+            if (Math::equals($two->getY(), $one->getY())) {
+                return $this->getDouble($one);
+            } else {
+                return Point::infinity();
+            }
+        }
+
+        $slope = ModularArithmetic::div(
+            Math::sub($two->getY(), $one->getY()),
+            Math::sub($two->getX(), $one->getX()),
+            $this->getPrime()
+        );
+
+        $xR = ModularArithmetic::sub(
+            Math::sub(Math::pow($slope, 2), $one->getX()),
+            $two->getX(),
+            $this->getPrime()
+        );
+
+        $yR = ModularArithmetic::sub(
+            Math::mul($slope, Math::sub($one->getX(), $xR)),
+            $one->getY(),
+            $this->getPrime()
+        );
+
+        return $this->getPoint($xR, $yR, $one->getOrder());
+    }
+
+    public function mul(Point $one, \GMP $n): Point
+    {
+        if ($one->isInfinity()) {
+            return Point::infinity();
+        }
+
+        /** @var \GMP $zero */
+        $zero = \gmp_init(0, 10);
+        if (Math::cmp($one->getOrder(), $zero) > 0) {
+            $n = Math::mod($n, $one->getOrder());
+        }
+
+        if (Math::equals($n, $zero)) {
+            return Point::infinity();
+        }
+
+        /** @var Point[] $r */
+        $r = [
+            Point::infinity(),
+            clone $one,
+        ];
+
+        $k = $this->getSize();
+        $n = \str_pad(Math::baseConvert(Math::toString($n), 10, 2), $k, '0', STR_PAD_LEFT);
+
+        for ($i = 0; $i < $k; ++$i) {
+            $j = $n[$i];
+            Point::cswap($r[0], $r[1], $j ^ 1);
+            $r[0] = $this->add($r[0], $r[1]);
+            $r[1] = $this->getDouble($r[1]);
+            Point::cswap($r[0], $r[1], $j ^ 1);
+        }
+
+        $this->validate($r[0]);
+
+        return $r[0];
+    }
+
+    /**
+     * @param Curve $other
+     */
+    public function cmp(self $other): int
+    {
+        $equal = Math::equals($this->getA(), $other->getA());
+        $equal &= Math::equals($this->getB(), $other->getB());
+        $equal &= Math::equals($this->getPrime(), $other->getPrime());
+
+        return $equal ? 0 : 1;
+    }
+
+    /**
+     * @param Curve $other
+     */
+    public function equals(self $other): bool
+    {
+        return 0 === $this->cmp($other);
+    }
+
+    public function __toString(): string
+    {
+        return 'curve('.Math::toString($this->getA()).', '.Math::toString($this->getB()).', '.Math::toString($this->getPrime()).')';
+    }
+
+    private function validate(Point $point)
+    {
+        if (!$point->isInfinity() && !$this->contains($point->getX(), $point->getY())) {
+            throw new \RuntimeException('Invalid point');
+        }
+    }
+
+    public function getDouble(Point $point): Point
+    {
+        if ($point->isInfinity()) {
+            return Point::infinity();
+        }
+
+        $a = $this->getA();
+        $threeX2 = Math::mul(\gmp_init(3, 10), Math::pow($point->getX(), 2));
+
+        $tangent = ModularArithmetic::div(
+            Math::add($threeX2, $a),
+            Math::mul(\gmp_init(2, 10), $point->getY()),
+            $this->getPrime()
+        );
+
+        $x3 = ModularArithmetic::sub(
+            Math::pow($tangent, 2),
+            Math::mul(\gmp_init(2, 10), $point->getX()),
+            $this->getPrime()
+        );
+
+        $y3 = ModularArithmetic::sub(
+            Math::mul($tangent, Math::sub($point->getX(), $x3)),
+            $point->getY(),
+            $this->getPrime()
+        );
+
+        return $this->getPoint($x3, $y3, $point->getOrder());
+    }
+
+    public function createPrivateKey(): PrivateKey
+    {
+        return PrivateKey::create($this->generate());
+    }
+
+    public function createPublicKey(PrivateKey $privateKey): PublicKey
+    {
+        $point = $this->mul($this->generator, $privateKey->getSecret());
+
+        return PublicKey::create($point);
+    }
+
+    private function generate(): \GMP
+    {
+        $max = $this->generator->getOrder();
+        $numBits = $this->bnNumBits($max);
+        $numBytes = (int) \ceil($numBits / 8);
+        // Generate an integer of size >= $numBits
+        $bytes = \random_bytes($numBytes);
+        $value = Math::stringToInt($bytes);
+        $mask = \gmp_sub(\gmp_pow(2, $numBits), 1);
+        $integer = \gmp_and($value, $mask);
+
+        return $integer;
+    }
+
+    /**
+     * Returns the number of bits used to store this number. Non-significant upper bits are not counted.
+     *
+     * @see https://www.openssl.org/docs/crypto/BN_num_bytes.html
+     */
+    private function bnNumBits(\GMP $x): int
+    {
+        $zero = \gmp_init(0, 10);
+        if (Math::equals($x, $zero)) {
+            return 0;
+        }
+        $log2 = 0;
+        while (false === Math::equals($x, $zero)) {
+            $x = Math::rightShift($x, 1);
+            ++$log2;
+        }
+
+        return $log2;
+    }
+
+    public function getGenerator(): Point
+    {
+        return $this->generator;
+    }
+}
diff --git a/vendor/web-token/jwt-util-ecc/LICENSE b/vendor/web-token/jwt-util-ecc/LICENSE
new file mode 100644
index 0000000..a098645
--- /dev/null
+++ b/vendor/web-token/jwt-util-ecc/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014-2018 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.
diff --git a/vendor/web-token/jwt-util-ecc/Math.php b/vendor/web-token/jwt-util-ecc/Math.php
new file mode 100644
index 0000000..e5732da
--- /dev/null
+++ b/vendor/web-token/jwt-util-ecc/Math.php
@@ -0,0 +1,97 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util\Ecc;
+
+/**
+ * @internal
+ */
+class Math
+{
+    public static function cmp(\GMP $first, \GMP $other): int
+    {
+        return \gmp_cmp($first, $other);
+    }
+
+    public static function equals(\GMP $first, \GMP $other): bool
+    {
+        return 0 === \gmp_cmp($first, $other);
+    }
+
+    public static function mod(\GMP $number, \GMP $modulus): \GMP
+    {
+        return \gmp_mod($number, $modulus);
+    }
+
+    public static function add(\GMP $augend, \GMP $addend): \GMP
+    {
+        return \gmp_add($augend, $addend);
+    }
+
+    public static function sub(\GMP $minuend, \GMP $subtrahend): \GMP
+    {
+        return \gmp_sub($minuend, $subtrahend);
+    }
+
+    public static function mul(\GMP $multiplier, \GMP $multiplicand): \GMP
+    {
+        return \gmp_mul($multiplier, $multiplicand);
+    }
+
+    public static function pow(\GMP $base, int $exponent): \GMP
+    {
+        return \gmp_pow($base, $exponent);
+    }
+
+    public static function bitwiseAnd(\GMP $first, \GMP $other): \GMP
+    {
+        return \gmp_and($first, $other);
+    }
+
+    public static function bitwiseXor(\GMP $first, \GMP $other): \GMP
+    {
+        return \gmp_xor($first, $other);
+    }
+
+    public static function toString(\GMP $value): string
+    {
+        return \gmp_strval($value);
+    }
+
+    public static function inverseMod(\GMP $a, \GMP $m): \GMP
+    {
+        return \gmp_invert($a, $m);
+    }
+
+    public static function baseConvert(string $number, int $from, int $to): string
+    {
+        return \gmp_strval(\gmp_init($number, $from), $to);
+    }
+
+    public static function rightShift(\GMP $number, int $positions): \GMP
+    {
+        return \gmp_div($number, \gmp_pow(\gmp_init(2, 10), $positions));
+    }
+
+    public static function stringToInt(string $s): \GMP
+    {
+        $result = \gmp_init(0, 10);
+        $sLen = \mb_strlen($s, '8bit');
+
+        for ($c = 0; $c < $sLen; ++$c) {
+            $result = \gmp_add(\gmp_mul(256, $result), \gmp_init(\ord($s[$c]), 10));
+        }
+
+        return $result;
+    }
+}
diff --git a/vendor/web-token/jwt-util-ecc/ModularArithmetic.php b/vendor/web-token/jwt-util-ecc/ModularArithmetic.php
new file mode 100644
index 0000000..29be145
--- /dev/null
+++ b/vendor/web-token/jwt-util-ecc/ModularArithmetic.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util\Ecc;
+
+/**
+ * @internal
+ */
+class ModularArithmetic
+{
+    public static function sub(\GMP $minuend, \GMP $subtrahend, \GMP $modulus): \GMP
+    {
+        return Math::mod(Math::sub($minuend, $subtrahend), $modulus);
+    }
+
+    public static function mul(\GMP $multiplier, \GMP $muliplicand, \GMP $modulus): \GMP
+    {
+        return Math::mod(Math::mul($multiplier, $muliplicand), $modulus);
+    }
+
+    public static function div(\GMP $dividend, \GMP $divisor, \GMP $modulus): \GMP
+    {
+        return self::mul($dividend, Math::inverseMod($divisor, $modulus), $modulus);
+    }
+}
diff --git a/vendor/web-token/jwt-util-ecc/NistCurve.php b/vendor/web-token/jwt-util-ecc/NistCurve.php
new file mode 100644
index 0000000..70d7070
--- /dev/null
+++ b/vendor/web-token/jwt-util-ecc/NistCurve.php
@@ -0,0 +1,92 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util\Ecc;
+
+/**
+ * *********************************************************************
+ * Copyright (C) 2012 Matyas Danter.
+ *
+ * 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.
+ * ***********************************************************************
+ */
+
+/**
+ * @internal
+ */
+class NistCurve
+{
+    /**
+     * Returns an NIST P-256 curve.
+     */
+    public static function curve256(): Curve
+    {
+        $p = \gmp_init('ffffffff00000001000000000000000000000000ffffffffffffffffffffffff', 16);
+        $a = \gmp_init('ffffffff00000001000000000000000000000000fffffffffffffffffffffffc', 16);
+        $b = \gmp_init('5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b', 16);
+        $x = \gmp_init('6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296', 16);
+        $y = \gmp_init('4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5', 16);
+        $n = \gmp_init('ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551', 16);
+        $generator = Point::create($x, $y, $n);
+
+        return new Curve(256, $p, $a, $b, $generator);
+    }
+
+    /**
+     * Returns an NIST P-384 curve.
+     */
+    public static function curve384(): Curve
+    {
+        $p = \gmp_init('fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff', 16);
+        $a = \gmp_init('fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc', 16);
+        $b = \gmp_init('b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef', 16);
+        $x = \gmp_init('aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7', 16);
+        $y = \gmp_init('3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f', 16);
+        $n = \gmp_init('ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973', 16);
+        $generator = Point::create($x, $y, $n);
+
+        return new Curve(384, $p, $a, $b, $generator);
+    }
+
+    /**
+     * Returns an NIST P-521 curve.
+     */
+    public static function curve521(): Curve
+    {
+        $p = \gmp_init('000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16);
+        $a = \gmp_init('000001fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc', 16);
+        $b = \gmp_init('00000051953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00', 16);
+        $x = \gmp_init('000000c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66', 16);
+        $y = \gmp_init('0000011839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650', 16);
+        $n = \gmp_init('000001fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409', 16);
+        $generator = Point::create($x, $y, $n);
+
+        return new Curve(521, $p, $a, $b, $generator);
+    }
+}
diff --git a/vendor/web-token/jwt-util-ecc/Point.php b/vendor/web-token/jwt-util-ecc/Point.php
new file mode 100644
index 0000000..bf73b2b
--- /dev/null
+++ b/vendor/web-token/jwt-util-ecc/Point.php
@@ -0,0 +1,152 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util\Ecc;
+
+/**
+ * *********************************************************************
+ * Copyright (C) 2012 Matyas Danter.
+ *
+ * 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.
+ * ***********************************************************************
+ */
+
+/**
+ * @internal
+ */
+class Point
+{
+    /**
+     * @var \GMP
+     */
+    private $x;
+
+    /**
+     * @var \GMP
+     */
+    private $y;
+
+    /**
+     * @var \GMP
+     */
+    private $order;
+
+    /**
+     * @var bool
+     */
+    private $infinity = false;
+
+    /**
+     * Initialize a new instance.
+     *
+     * @throws \RuntimeException when either the curve does not contain the given coordinates or
+     *                           when order is not null and P(x, y) * order is not equal to infinity
+     */
+    private function __construct(\GMP $x, \GMP $y, \GMP $order, bool $infinity = false)
+    {
+        $this->x = $x;
+        $this->y = $y;
+        $this->order = $order;
+        $this->infinity = $infinity;
+    }
+
+    /**
+     * @return Point
+     */
+    public static function create(\GMP $x, \GMP $y, ?\GMP $order = null): self
+    {
+        return new self($x, $y, null === $order ? \gmp_init(0, 10) : $order);
+    }
+
+    /**
+     * @return Point
+     */
+    public static function infinity(): self
+    {
+        $zero = \gmp_init(0, 10);
+
+        return new self($zero, $zero, $zero, true);
+    }
+
+    public function isInfinity(): bool
+    {
+        return $this->infinity;
+    }
+
+    public function getOrder(): \GMP
+    {
+        return $this->order;
+    }
+
+    public function getX(): \GMP
+    {
+        return $this->x;
+    }
+
+    public function getY(): \GMP
+    {
+        return $this->y;
+    }
+
+    /**
+     * @param Point $a
+     * @param Point $b
+     */
+    public static function cswap(self $a, self $b, int $cond)
+    {
+        self::cswapGMP($a->x, $b->x, $cond);
+        self::cswapGMP($a->y, $b->y, $cond);
+        self::cswapGMP($a->order, $b->order, $cond);
+        self::cswapBoolean($a->infinity, $b->infinity, $cond);
+    }
+
+    private static function cswapBoolean(bool &$a, bool &$b, int $cond)
+    {
+        $sa = \gmp_init((int) ($a), 10);
+        $sb = \gmp_init((int) ($b), 10);
+
+        self::cswapGMP($sa, $sb, $cond);
+
+        $a = (bool) \gmp_strval($sa, 10);
+        $b = (bool) \gmp_strval($sb, 10);
+    }
+
+    private static function cswapGMP(\GMP &$sa, \GMP &$sb, int $cond)
+    {
+        $size = \max(\mb_strlen(\gmp_strval($sa, 2), '8bit'), \mb_strlen(\gmp_strval($sb, 2), '8bit'));
+        $mask = (string) (1 - (int) ($cond));
+        $mask = \str_pad('', $size, $mask, STR_PAD_LEFT);
+        $mask = \gmp_init($mask, 2);
+        $taA = Math::bitwiseAnd($sa, $mask);
+        $taB = Math::bitwiseAnd($sb, $mask);
+        $sa = Math::bitwiseXor(Math::bitwiseXor($sa, $sb), $taB);
+        $sb = Math::bitwiseXor(Math::bitwiseXor($sa, $sb), $taA);
+        $sa = Math::bitwiseXor(Math::bitwiseXor($sa, $sb), $taB);
+    }
+}
diff --git a/vendor/web-token/jwt-util-ecc/PrivateKey.php b/vendor/web-token/jwt-util-ecc/PrivateKey.php
new file mode 100644
index 0000000..d33fb5b
--- /dev/null
+++ b/vendor/web-token/jwt-util-ecc/PrivateKey.php
@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util\Ecc;
+
+/**
+ * *********************************************************************
+ * Copyright (C) 2012 Matyas Danter.
+ *
+ * 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.
+ * ***********************************************************************
+ */
+
+/**
+ * @internal
+ */
+class PrivateKey
+{
+    /**
+     * @var \GMP
+     */
+    private $secret;
+
+    private function __construct(\GMP $secret)
+    {
+        $this->secret = $secret;
+    }
+
+    /**
+     * @return PrivateKey
+     */
+    public static function create(\GMP $secret): self
+    {
+        return new self($secret);
+    }
+
+    public function getSecret(): \GMP
+    {
+        return $this->secret;
+    }
+}
diff --git a/vendor/web-token/jwt-util-ecc/PublicKey.php b/vendor/web-token/jwt-util-ecc/PublicKey.php
new file mode 100644
index 0000000..a85c0e2
--- /dev/null
+++ b/vendor/web-token/jwt-util-ecc/PublicKey.php
@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util\Ecc;
+
+/**
+ * *********************************************************************
+ * Copyright (C) 2012 Matyas Danter.
+ *
+ * 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.
+ * ***********************************************************************
+ */
+
+/**
+ * @internal
+ */
+class PublicKey
+{
+    /**
+     * @var Point
+     */
+    private $point;
+
+    /**
+     * PublicKey constructor.
+     */
+    private function __construct(Point $point)
+    {
+        $this->point = $point;
+    }
+
+    /**
+     * @return PublicKey
+     */
+    public static function create(Point $point): self
+    {
+        return new self($point);
+    }
+
+    public function getPoint(): Point
+    {
+        return $this->point;
+    }
+}
diff --git a/vendor/web-token/jwt-util-ecc/composer.json b/vendor/web-token/jwt-util-ecc/composer.json
new file mode 100644
index 0000000..0598e3e
--- /dev/null
+++ b/vendor/web-token/jwt-util-ecc/composer.json
@@ -0,0 +1,38 @@
+{
+    "name": "web-token/jwt-util-ecc",
+    "description": "ECC Tools for the JWT Framework.",
+    "type": "library",
+    "license": "MIT",
+    "keywords": ["JWS", "JWT", "JWE", "JWA", "JWK", "JWKSet", "Jot", "Jose", "RFC7515", "RFC7516", "RFC7517", "RFC7518", "RFC7519", "RFC7520", "Bundle", "Symfony"],
+    "homepage": "https://github.com/web-token",
+    "authors": [
+        {
+            "name": "Florent Morselli",
+            "homepage": "https://github.com/Spomky"
+        },{
+            "name": "All contributors",
+            "homepage": "https://github.com/web-token/jwt-core/contributors"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Jose\\Component\\Core\\Util\\Ecc\\":  ""
+        }
+    },
+    "require": {
+        "php": "^7.1",
+        "ext-gmp": "*",
+        "ext-mbstring": "*"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^6.0|^7.0"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.3.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    }
+}