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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
//
// +----------------------------------------------------------------------+
// | PHP version 4.0 |
// +----------------------------------------------------------------------+
// | Copyright (c) 2004 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.02 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Jeroen Derks <jeroen@derks.it> |
// +----------------------------------------------------------------------+
//
// $Id: xteacmd.php,v 1.3 2005/05/13 19:34:18 jeroend Exp $
/**
* Simple xtea command line utility.
* Simple xtea command line utility.
*
* @package Crypt_Xtea_Test
* @modulegroup Crypt_Xtea_Test
* @module xteacmd
* @access public
*
* @version $Revision: 1.3 $
* @since 2004/Sep/30
* @author Jeroen Derks <jeroen@derks.it>
*/
/** Crypt_Xtea class */
require_once 'Crypt/Xtea.php';
$flag_decrypt = false; // do encryption by default
$msg = ''; // initialize message to encrypt/decrypt
$key = ''; // initialize key to use
$prog = basename($_SERVER['argv'][0]); // program name
$argc = $_SERVER['argc']; // number of command line arguments
$argv = $_SERVER['argv']; // command line arguments array
// process command line flags
while (1 < $argc && '-' == $argv[1]{0})
{
$argc--;
$arg = $argv[1];
array_shift($argv);
if ('--' == $arg)
break;
$arg = substr($arg, 1);
while (0 < strlen($arg))
{
switch ($arg{0})
{
case 'd': $flag_decrypt = true; break;
case 'e': $flag_decrypt = false; break;
}
$arg = substr($arg, 1);
}
}
// check required parameters
if (2 >= $argc)
{
echo "usage: $prog [-de] key msg [ msg ... ]\n" .
"\t-d\tdecrypt message\n" .
"\t-e\tencrypt message (default action)\n";
exit(1);
}
// get key
$key = $argv[1];
$argc--;
array_shift($argv);
// get messages
while (1 < $argc)
{
$msg = $argv[1];
$obj = new Crypt_Xtea();
if ($flag_decrypt)
{
$binmsg = pack('H' . strlen($msg), $msg);
$result = $obj->decrypt($binmsg, $key);
}
else
{
$binmsg = $obj->encrypt($msg, $key);
$result = join('', unpack('H*', $binmsg));
}
// output result
echo $result;
// get next message
$argc--;
$arg = array_shift($argv);
}
?>
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