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Pull Request — master (#9)
by Florent
03:12 queued 01:37
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JWETest::testCEKEncryption()   A

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Complexity

Conditions 2
Paths 2

Size

Total Lines 17
Code Lines 10

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
c 0
b 0
f 0
dl 0
loc 17
rs 9.4285
cc 2
eloc 10
nc 2
nop 0
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<?php
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/*

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * The MIT License (MIT)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * Copyright (c) 2014-2016 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 AESKW\Tests;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use AESKW\A128KW;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use PHPUnit\Framework\TestCase;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * This test comes from the JWE specification.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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 * @see https://tools.ietf.org/html/draft-ietf-jose-json-web-encryption-39#appendix-A.3.3

            


            
                                                                        
                            
            
                                    
            
            

                
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 */

            


            
                                                                        
                            
            
                                    
            
            

                
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final class JWETest extends TestCase

            


            
                                                                        
                            
            
                                    
            
            

                
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{

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function testCEKEncryption()

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        // The KEK

            


            
                                                                        
                            
            
                                    
            
            

                
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        $kek = base64_decode('GawgguFyGrWKav7AX4VKUg');

            


            
                                                                        
                            
            
                                    
            
            

                
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        // The CEK to encrypt (we convert it into a binary string)

            


            
                                                                        
                            
            
                                    
            
            

                
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        $data = [4, 211, 31, 197, 84, 157, 252, 254, 11, 100, 157, 250, 63, 170, 106, 206, 107, 124, 212, 45, 111, 107, 9, 219, 200, 177, 0, 240, 143, 156, 44, 207];

            


            
                                                                        
                            
            
                                    
            
            

                
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        foreach ($data as $key => $value) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $data[$key] = str_pad(dechex($value), 2, '0', STR_PAD_LEFT);

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        $data = hex2bin(implode('', $data));

            


            
                                                                        
                            
            
                                    
            
            

                
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        $wrapped = A128KW::wrap($kek, $data);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->assertEquals(base64_decode('6KB707dM9YTIgHtLvtgWQ8mKwboJW3of9locizkDTHzBC2IlrT1oOQ'), $wrapped);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $unwrapped = A128KW::unwrap($kek, $wrapped);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->assertEquals($data, $unwrapped);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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