Initial Commit

database/phpMyAdmin/vendor/web-auth/cose-lib/src/Key/SymmetricKey.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2021 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Cose\Key;
+
+use Assert\Assertion;
+
+class SymmetricKey extends Key
+{
+    public const DATA_K = -1;
+
+    public function __construct(array $data)
+    {
+        parent::__construct($data);
+        Assertion::eq($data[self::TYPE], self::TYPE_OCT, 'Invalid symmetric key. The key type does not correspond to a symmetric key');
+        Assertion::keyExists($data, self::DATA_K, 'Invalid symmetric key. The parameter "k" is missing');
+    }
+
+    public function k(): string
+    {
+        return $this->get(self::DATA_K);
+    }
+}