File Content: SymmetricKey.php <?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); } } Submit