HMAC::sign() - Code Metrics - Inspection of "PHPECC v0.4 integration" - Spomky-Labs/jose - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 022625...2b82d4 )

by Florent

created 2016-06-28 11:31 UTC

HMAC::sign() A

↳ Parent: HMAC

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	6
rs	9.4285
c	0
b	0
f	0
cc	1
eloc	3
nc	1
nop	2

<?php

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2016 Spomky-Labs
 *
 * This software may be modified and distributed under the terms
 * of the MIT license.  See the LICENSE file for details.
 */

namespace Jose\Algorithm\Signature;

use Assert\Assertion;
use Base64Url\Base64Url;
use Jose\Algorithm\SignatureAlgorithmInterface;
use Jose\Object\JWKInterface;

/**
 * This class handles signatures using HMAC.
 * It supports algorithms HS256, HS384 and HS512;.
 */
abstract class HMAC implements SignatureAlgorithmInterface
{
    /**
     * {@inheritdoc}
     */
    public function sign(JWKInterface $key, $input)
    {
        $this->checkKey($key);

        return hash_hmac($this->getHashAlgorithm(), $input, Base64Url::decode($key->get('k')), true);
    }

    /**
     * {@inheritdoc}
     */
    public function verify(JWKInterface $key, $input, $signature)
    {
        return hash_equals($this->sign($key, $input), $signature);
    }

    /**
     * @param JWKInterface $key
     */
    protected function checkKey(JWKInterface $key)
    {
        Assertion::eq($key->get('kty'), 'oct', 'Wrong key type.');
        Assertion::true($key->has('k'), 'The key parameter "k" is missing.');
    }

    /**
     * @return string
     */
    abstract protected function getHashAlgorithm();
}


1			<?php
2
3			/*
4			* The MIT License (MIT)
5			*
6			* Copyright (c) 2014-2016 Spomky-Labs
7			*
8			* This software may be modified and distributed under the terms
9			* of the MIT license. See the LICENSE file for details.
10			*/
11
12			namespace Jose\Algorithm\Signature;
13
14			use Assert\Assertion;
15			use Base64Url\Base64Url;
16			use Jose\Algorithm\SignatureAlgorithmInterface;
17			use Jose\Object\JWKInterface;
18
19			/**
20			* This class handles signatures using HMAC.
21			* It supports algorithms HS256, HS384 and HS512;.
22			*/
23			abstract class HMAC implements SignatureAlgorithmInterface
24			{
25			/**
26			* {@inheritdoc}
27			*/
28			public function sign(JWKInterface $key, $input)
29			{
30			$this->checkKey($key);
31
32			return hash_hmac($this->getHashAlgorithm(), $input, Base64Url::decode($key->get('k')), true);
33			}
34
35			/**
36			* {@inheritdoc}
37			*/
38			public function verify(JWKInterface $key, $input, $signature)
39			{
40			return hash_equals($this->sign($key, $input), $signature);
41			}
42
43			/**
44			* @param JWKInterface $key
45			*/
46			protected function checkKey(JWKInterface $key)
47			{
48			Assertion::eq($key->get('kty'), 'oct', 'Wrong key type.');
49			Assertion::true($key->has('k'), 'The key parameter "k" is missing.');
50			}
51
52			/**
53			* @return string
54			*/
55			abstract protected function getHashAlgorithm();
56			}
57

Spomky-Labs / jose

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HMAC::sign() A

Complexity

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