PHP Classes

File: src/RFC4648.php

Recommend this page to a friend!
  Classes of Scott Arciszewski  >  PHP Constant Time String Encoding  >  src/RFC4648.php  >  Download  
File: src/RFC4648.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: 4,238 bytes
 

Contents

Class file image Download
<?php
declare(strict_types=1);
namespace
ParagonIE\ConstantTime;

/**
 * Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
 * Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/**
 * Class RFC4648
 *
 * This class conforms strictly to the RFC
 *
 * @package ParagonIE\ConstantTime
 */
abstract class RFC4648
{
   
/**
     * RFC 4648 Base64 encoding
     *
     * "foo" -> "Zm9v"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
   
public static function base64Encode(string $str): string
   
{
        return
Base64::encode($str);
    }

   
/**
     * RFC 4648 Base64 decoding
     *
     * "Zm9v" -> "foo"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
   
public static function base64Decode(string $str): string
   
{
        return
Base64::decode($str, true);
    }

   
/**
     * RFC 4648 Base64 (URL Safe) encoding
     *
     * "foo" -> "Zm9v"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
   
public static function base64UrlSafeEncode(string $str): string
   
{
        return
Base64UrlSafe::encode($str);
    }

   
/**
     * RFC 4648 Base64 (URL Safe) decoding
     *
     * "Zm9v" -> "foo"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
   
public static function base64UrlSafeDecode(string $str): string
   
{
        return
Base64UrlSafe::decode($str, true);
    }

   
/**
     * RFC 4648 Base32 encoding
     *
     * "foo" -> "MZXW6==="
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
   
public static function base32Encode(string $str): string
   
{
        return
Base32::encodeUpper($str);
    }

   
/**
     * RFC 4648 Base32 encoding
     *
     * "MZXW6===" -> "foo"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
   
public static function base32Decode(string $str): string
   
{
        return
Base32::decodeUpper($str, true);
    }

   
/**
     * RFC 4648 Base32-Hex encoding
     *
     * "foo" -> "CPNMU==="
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
   
public static function base32HexEncode(string $str): string
   
{
        return
Base32::encodeUpper($str);
    }

   
/**
     * RFC 4648 Base32-Hex decoding
     *
     * "CPNMU===" -> "foo"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
   
public static function base32HexDecode(string $str): string
   
{
        return
Base32::decodeUpper($str, true);
    }

   
/**
     * RFC 4648 Base16 decoding
     *
     * "foo" -> "666F6F"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
   
public static function base16Encode(string $str): string
   
{
        return
Hex::encodeUpper($str);
    }

   
/**
     * RFC 4648 Base16 decoding
     *
     * "666F6F" -> "foo"
     *
     * @param string $str
     * @return string
     */
   
public static function base16Decode(string $str): string
   
{
        return
Hex::decode($str, true);
    }
}

For more information send a message to info at phpclasses dot org.