44 lines
852 B
PHP
44 lines
852 B
PHP
<?php
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declare(strict_types=1);
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014-2020 Spomky-Labs
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*
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* This software may be modified and distributed under the terms
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* of the MIT license. See the LICENSE file for details.
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*/
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namespace Jose\Component\Signature\Algorithm;
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use InvalidArgumentException;
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use Jose\Component\Core\JWK;
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final class HS384 extends HMAC
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{
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public function name(): string
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{
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return 'HS384';
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}
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protected function getHashAlgorithm(): string
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{
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return 'sha384';
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}
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/**
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* @throws InvalidArgumentException if the key is invalid
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*/
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protected function getKey(JWK $key): string
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{
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$k = parent::getKey($key);
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if (mb_strlen($k, '8bit') < 48) {
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throw new InvalidArgumentException('Invalid key length.');
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}
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return $k;
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}
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}
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