AESKW\Tests\One64BitBlockTest

Complexity

Total Complexity

3

Size/Duplication

Total Lines	44
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	wrap64BitsKeyDataWith128BitKEK()	0	10	1
A	wrap64BitsKeyDataWith192BitKEK()	0	10	1
A	wrap64BitsKeyDataWith256BitKEK()	0	10	1

<?php

declare(strict_types=1);

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2018 Spomky-Labs
 *
 * This software may be modified and distributed under the terms
 * of the MIT license.  See the LICENSE file for details.
 */

namespace AESKW\Tests;

use AESKW\A128KW;
use AESKW\A192KW;
use AESKW\A256KW;
use PHPUnit\Framework\TestCase;

/**
 * These tests come from the RFC3394.
 *
 * @see https://www.ietf.org/rfc/rfc3394.txt#4
 */
final class One64BitBlockTest extends TestCase
{
    /**
     * @test
     */
    public function wrap64BitsKeyDataWith128BitKEK()
    {
        $kek = hex2bin('000102030405060708090A0B0C0D0E0F');
        $data = hex2bin('0011223344556677');

        $wrapped = A128KW::wrap($kek, $data);
        static::assertEquals(hex2bin('F4740052E82A225174CE86FBD7B805E7'), $wrapped);
        $unwrapped = A128KW::unwrap($kek, $wrapped);
        static::assertEquals($data, $unwrapped);
    }

    /**
     * @test
     */
    public function wrap64BitsKeyDataWith192BitKEK()
    {
        $kek = hex2bin('000102030405060708090A0B0C0D0E0F1011121314151617');
        $data = hex2bin('0011223344556677');

        $wrapped = A192KW::wrap($kek, $data);
        static::assertEquals(hex2bin('DFE8FD5D1A3786A7351D385096CCFB29'), $wrapped);
        $unwrapped = A192KW::unwrap($kek, $wrapped);
        static::assertEquals($data, $unwrapped);
    }

    /**
     * @test
     */
    public function wrap64BitsKeyDataWith256BitKEK()
    {
        $kek = hex2bin('000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F');
        $data = hex2bin('0011223344556677');

        $wrapped = A256KW::wrap($kek, $data);
        static::assertEquals(hex2bin('794314D454E3FDE1F661BD9F31FBFA31'), $wrapped);
        $unwrapped = A256KW::unwrap($kek, $wrapped);
        static::assertEquals($data, $unwrapped);
    }
}