Sop\JWX\JWE\KeyAlgorithm\PBES2HS256A128KWAlgorithm

Complexity

Total Complexity

4

Size/Duplication

Total Lines	32
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	_hashAlgo()	0	3	1
A	_keyLength()	0	3	1
A	algorithmParamValue()	0	3	1
A	_kwAlgo()	0	3	1

<?php

declare(strict_types = 1);

namespace Sop\JWX\JWE\KeyAlgorithm;

use Sop\AESKW\AESKeyWrapAlgorithm;
use Sop\AESKW\AESKW128;
use Sop\JWX\JWA\JWA;

/**
 * Implements PBES2 with HMAC SHA-256 and "A128KW" wrapping.
 *
 * @see https://tools.ietf.org/html/rfc7518#section-4.8
 */
class PBES2HS256A128KWAlgorithm extends PBES2Algorithm
{
    /**
     * {@inheritdoc}
     */
    public function algorithmParamValue(): string
    {
        return JWA::ALGO_PBES2_HS256_A128KW;
    }

    /**
     * {@inheritdoc}
     */
    protected function _hashAlgo(): string
    {
        return 'sha256';
    }

    /**
     * {@inheritdoc}
     */
    protected function _keyLength(): int
    {
        return 16;
    }

    /**
     * {@inheritdoc}
     */
    protected function _kwAlgo(): AESKeyWrapAlgorithm
    {
        return new AESKW128();
    }
}