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File: tests/Base64Test.php

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File: tests/Base64Test.php
Role: Class source
Content type: text/plain
Description: Class source
Class: PHP Constant Time String Encoding
Encode text without leaking context information
Author: By
Last change:
Date: 3 years ago
Size: 3,763 bytes
 

Contents

Class file image Download
<?php
use \ParagonIE\ConstantTime\Base64;

class
Base64Test extends PHPUnit\Framework\TestCase
{
   
/**
     * @covers Base64::encode()
     * @covers Base64::decode()
     */
   
public function testRandom()
    {
        for (
$i = 1; $i < 32; ++$i) {
            for (
$j = 0; $j < 50; ++$j) {
               
$random = \random_bytes($i);

               
$enc = Base64::encode($random);
               
$this->assertSame(
                   
$random,
                   
Base64::decode($enc)
                );
               
$this->assertSame(
                    \
base64_encode($random),
                   
$enc
               
);

               
$unpadded = \rtrim($enc, '=');
               
$this->assertSame(
                   
$random,
                   
Base64::decode($unpadded)
                );
               
$this->assertSame(
                   
$random,
                   
Base64::decode($unpadded)
                );
            }
        }
       
$str = 'MIIFzzCCBLegAwIBAgIDAfdlMA0GCSqGSIb3DQEBBQUAMHMxCzAJBgNVBAYTAlBM' .
           
'MSgwJgYDVQQKDB9LcmFqb3dhIEl6YmEgUm96bGljemVuaW93YSBTLkEuMSQwIgYDVQQ' .
           
'DDBtDT1BFIFNaQUZJUiAtIEt3YWxpZmlrb3dhbnkxFDASBgNVBAUTC05yIHdwaXN1Oi' .
           
'A2MB4XDTExMTEwOTA2MDAwMFoXDTEzMTEwOTA2MDAwMFowgdkxCzAJBgNVBAYTAlBMM' .
           
'RwwGgYDVQQKDBNVcnrEhWQgTWlhc3RhIEdkeW5pMRswGQYDVQQFExJQRVNFTDogNjEw' .
           
'NjA2MDMxMTgxGTAXBgNVBAMMEEplcnp5IFByemV3b3Jza2kxTzBNBgNVBBAwRgwiQWw' .
           
'uIE1hcnN6YcWCa2EgUGnFgnN1ZHNraWVnbyA1Mi81NAwNODEtMzgyIEdkeW5pYQwGUG' .
           
'9sc2thDAlwb21vcnNraWUxDjAMBgNVBCoMBUplcnp5MRMwEQYDVQQEDApQcnpld29yc' .
           
'2tpMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCMm5vjGqHPthJCMqKpqssSISRo' .
           
's0PYDTcEQzyyurfX67EJWKtZj6HNwuDMEGJ02iBNZfjUl7r8dIi28bSKhNlsfycXZKY' .
           
'RcIjp0+r5RqtR2auo9GQ6veKb61DEAGIqaR+uLLcJVTHCu0w9oXLGbRlGth5eNoj03C' .
           
'xXVAH2IfhbNwIDAQABo4IChzCCAoMwDAYDVR0TAQH/BAIwADCCAUgGA1UdIAEB/wSCA' .
           
'TwwggE4MIIBNAYJKoRoAYb3IwEBMIIBJTCB3QYIKwYBBQUHAgIwgdAMgc1EZWtsYXJh' .
           
'Y2phIHRhIGplc3Qgb8Wbd2lhZGN6ZW5pZW0gd3lkYXdjeSwgxbxlIHRlbiBjZXJ0eWZ' .
           
'pa2F0IHpvc3RhxYIgd3lkYW55IGpha28gY2VydHlmaWthdCBrd2FsaWZpa293YW55IH' .
           
'pnb2RuaWUgeiB3eW1hZ2FuaWFtaSB1c3Rhd3kgbyBwb2RwaXNpZSBlbGVrdHJvbmlje' .
           
'm55bSBvcmF6IHRvd2FyenlzesSFY3ltaSBqZWogcm96cG9yesSFZHplbmlhbWkuMEMG' .
           
'CCsGAQUFBwIBFjdodHRwOi8vd3d3Lmtpci5jb20ucGwvY2VydHlmaWthY2phX2tsdWN' .
           
'6eS9wb2xpdHlrYS5odG1sMAkGA1UdCQQCMAAwIQYDVR0RBBowGIEWai5wcnpld29yc2' .
           
'tpQGdkeW5pYS5wbDAOBgNVHQ8BAf8EBAMCBkAwgZ4GA1UdIwSBljCBk4AU3TGldJXip' .
           
'N4oGS3ZYmnBDMFs8gKhd6R1MHMxCzAJBgNVBAYTAlBMMSgwJgYDVQQKDB9LcmFqb3dh' .
           
'IEl6YmEgUm96bGljemVuaW93YSBTLkEuMSQwIgYDVQQDDBtDT1BFIFNaQUZJUiAtIEt' .
           
'3YWxpZmlrb3dhbnkxFDASBgNVBAUTC05yIHdwaXN1OiA2ggJb9jBIBgNVHR8EQTA/MD' .
           
'2gO6A5hjdodHRwOi8vd3d3Lmtpci5jb20ucGwvY2VydHlmaWthY2phX2tsdWN6eS9DU' .
           
'kxfT1pLMzIuY3JsMA0GCSqGSIb3DQEBBQUAA4IBAQBYPIqnAreyeql7/opJjcar/qWZ' .
           
'y9ruhB2q0lZFsJOhwgMnbQXzp/4vv93YJqcHGAXdHP6EO8FQX47mjo2ZKQmi+cIHJHL' .
           
'ONdX/3Im+M17V0iNAh7Z1lOSfTRT+iiwe/F8phcEaD5q2RmvYusR7zXZq/cLL0If0hX' .
           
'oPZ/EHQxjN8pxzxiUx6bJAgturnIMEfRNesxwghdr1dkUjOhGLf3kHVzgM6j3VAM7oF' .
           
'mMUb5y5s96Bzl10DodWitjOEH0vvnIcsppSxH1C1dCAi0o9f/1y2XuLNhBNHMAyTqpY' .
           
'PX8Yvav1c+Z50OMaSXHAnTa20zv8UtiHbaAhwlifCelUMj93S';
       
        try {
           
Base64::decode($str, true);
           
$this->fail('Strict padding not enforced');
        } catch (\
Exception $ex) {

           
$this->assertSame(
               
Base64::decode($str),
                \
base64_decode($str)
            );
        }
    }
}

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