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60 lines
1.3 KiB
PHP
60 lines
1.3 KiB
PHP
<?php
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/**
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* Orange Management
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*
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* PHP Version 7.0
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*
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* @category TBD
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* @package TBD
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* @author OMS Development Team <dev@oms.com>
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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* @copyright 2013 Dennis Eichhorn
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* @license OMS License 1.0
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* @version 1.0.0
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* @link http://orange-management.com
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*/
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namespace phpOMS\Utils\Encoding;
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/**
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* Gray encoding class
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*
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* @category Framework
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* @package phpOMS\Utils
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* @author OMS Development Team <dev@oms.com>
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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* @license OMS License 1.0
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* @link http://orange-management.com
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* @since 1.0.0
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*/
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final class XorEncoding
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{
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/**
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* {@inheritdoc}
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*/
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public static function encode(string $source, string $key) : string
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{
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$result = '';
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$length = strlen($source);
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$keyLength = strlen($key) - 1;
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for ($i = 0, $j = 0; $i < $length; $i++, $j++) {
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if ($j > $keyLength) {
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$j = 0;
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}
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$ascii = ord($source[$i]) ^ ord($key[$j]);
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$result .= chr($ascii);
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}
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return $result;
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}
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/**
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* {@inheritdoc}
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*/
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public static function decode(string $raw, string $key) : string
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{
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return self::encode($raw, $key);
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}
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} |