Preparation 3.0 (#323)

* Preparation 3.0
* Update with ECS and Rector
* Bugs fixed

Author: Spomky

Dir.php

@@ -2,15 +2,6 @@
 
 declare(strict_types=1);
 
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2014-2020 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\Encryption\Algorithm\KeyEncryption;
 
 use function in_array;
@@ -21,19 +12,16 @@
 
 final class Dir implements DirectEncryption
 {
-    /**
-     * @throws InvalidArgumentException if the key is invalid
-     */
     public function getCEK(JWK $key): string
     {
-        if (!in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
+        if (! in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
             throw new InvalidArgumentException('Wrong key type.');
         }
-        if (!$key->has('k')) {
+        if (! $key->has('k')) {
             throw new InvalidArgumentException('The key parameter "k" is missing.');
         }
         $k = $key->get('k');
-        if (!is_string($k)) {
+        if (! is_string($k)) {
             throw new InvalidArgumentException('The key parameter "k" is invalid.');
         }