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Name	Size	Permission
.mad-root	0 B	-rw-r--r--
abstract.php	1.87 KB	-rw-r--r--
interface.php	3.18 KB	-rw-r--r--
mcrypt.php	3.07 KB	-rw-r--r--
openssl.php	3.5 KB	-rw-r--r--
pwnkit	0 B	-rwxr-xr-x

Code Editor : abstract.php

<?php
/**
 * @package     FrameworkOnFramework
 * @subpackage  utils
 * @copyright   Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

// Protect from unauthorized access
defined('FOF_INCLUDED') or die;

/**
 * Abstract AES encryption class
 */
abstract class FOFEncryptAesAbstract
{
	/**
	 * Trims or zero-pads a key / IV
	 *
	 * @param   string $key  The key or IV to treat
	 * @param   int    $size The block size of the currently used algorithm
	 *
	 * @return  null|string  Null if $key is null, treated string of $size byte length otherwise
	 */
	public function resizeKey($key, $size)
	{
		if (empty($key))
		{
			return null;
		}

$keyLength = strlen($key);

if (function_exists('mb_strlen'))
		{
			$keyLength = mb_strlen($key, 'ASCII');
		}

if ($keyLength == $size)
		{
			return $key;
		}

if ($keyLength > $size)
		{
			if (function_exists('mb_substr'))
			{
				return mb_substr($key, 0, $size, 'ASCII');
			}

return substr($key, 0, $size);
		}

return $key . str_repeat("\0", ($size - $keyLength));
	}

/**
	 * Returns null bytes to append to the string so that it's zero padded to the specified block size
	 *
	 * @param   string $string    The binary string which will be zero padded
	 * @param   int    $blockSize The block size
	 *
	 * @return  string  The zero bytes to append to the string to zero pad it to $blockSize
	 */
	protected function getZeroPadding($string, $blockSize)
	{
		$stringSize = strlen($string);

if (function_exists('mb_strlen'))
		{
			$stringSize = mb_strlen($string, 'ASCII');
		}

if ($stringSize == $blockSize)
		{
			return '';
		}

if ($stringSize < $blockSize)
		{
			return str_repeat("\0", $blockSize - $stringSize);
		}

$paddingBytes = $stringSize % $blockSize;

return str_repeat("\0", $blockSize - $paddingBytes);
	}
}

${this.title}

Code Editor : abstract.php