PHP Classes

File: tests/Base64UrlSafeTest.php

Recommend this page to a friend!
  Classes of Scott Arciszewski  >  PHP Constant Time String Encoding  >  tests/Base64UrlSafeTest.php  >  Download  
File: tests/Base64UrlSafeTest.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: 1,549 bytes
 

Contents

Class file image Download
<?php

use ParagonIE\ConstantTime\Base64UrlSafe;
use
ParagonIE\ConstantTime\Binary;

/**
 * Class Base64UrlSafeTest
 */
class Base64UrlSafeTest extends PHPUnit\Framework\TestCase
{
   
/**
     * @covers Base64UrlSafe::encode()
     * @covers Base64UrlSafe::decode()
     *
     * @throws Exception
     * @throws TypeError
     */
   
public function testRandom()
    {
        for (
$i = 1; $i < 32; ++$i) {
            for (
$j = 0; $j < 50; ++$j) {
               
$random = \random_bytes($i);

               
$enc = Base64UrlSafe::encode($random);
               
$this->assertSame(
                   
$random,
                   
Base64UrlSafe::decode($enc)
                );
               
$this->assertSame(
                    \
strtr(\base64_encode($random), '+/', '-_'),
                   
$enc
               
);

               
$unpadded = \rtrim($enc, '=');
               
$this->assertSame(
                   
$unpadded,
                   
Base64UrlSafe::encodeUnpadded($random)
                );
               
$this->assertSame(
                   
$random,
                   
Base64UrlSafe::decode($unpadded)
                );
            }
        }

       
$random = \random_bytes(1 << 20);
       
$enc = Base64UrlSafe::encode($random);
       
$this->assertTrue(Binary::safeStrlen($enc) > 65536);
       
$this->assertSame(
           
$random,
           
Base64UrlSafe::decode($enc)
        );
       
$this->assertSame(
            \
strtr(\base64_encode($random), '+/', '-_'),
           
$enc
       
);
    }
}