PHP Classes

File: src/EncoderInterface.php

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  Classes of Scott Arciszewski   PHP Constant Time String Encoding   src/EncoderInterface.php   Download  
File: src/EncoderInterface.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: 5 years ago
Size: 1,984 bytes
 

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<?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.
 */

/**
 * Interface EncoderInterface
 * @package ParagonIE\ConstantTime
 */
interface EncoderInterface
{
   
/**
     * Convert a binary string into a hexadecimal string without cache-timing
     * leaks
     *
     * @param string $binString (raw binary)
     * @return string
     */
   
public static function encode(string $binString): string;

   
/**
     * Convert a binary string into a hexadecimal string without cache-timing
     * leaks
     *
     * @param string $encodedString
     * @param bool $strictPadding Error on invalid padding
     * @return string (raw binary)
     */
   
public static function decode(string $encodedString, bool $strictPadding = false): string;
}