<?php
$key = @$_GET['key'];
$data = @$_GET['data'];
$op = @$_GET['op'];
$result = '';
if (empty($key)) {
$key = 'DD8E0593-B531-4785-99A7-6CC42325F81E';
}
if (!empty($data)) {
require_once 'des.php';
$des = new Des($key);
$result = empty($op) ? $des->Encrypt($data, $key) : ($result = $des->Decrypt($data, $key));
}
?>
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<title>php_des加密/解密</title>
<meta charset="UTF-8">
<style type="text/css">
.txt { width: 400px; }
</style>
</head>
<body>
<form action="index.php" method="get">
<table>
<tr>
<td>key</td>
<td><input type="text" name="key" class="txt" value="<?php
echo $key;
