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- <?php
- $chars = stripslashes(rawurldecode ($_POST['chars']));
- if($chars != "") {
- $rot = intval((time()*1000)/(1000 * 60 * 5));
- $output = "";
- for($i = 0; $i < strlen($chars); $i++ )
- {
- $char = ord(substr($chars, $i, 1)) - $rot;
- while ($char < 0 )
- $char += 255;
- $output .= chr($char);
- }
- print $output . "\n";
- exit;
- }
- ?>
- <html>
- <body>
- <script type="text/javascript">
- var rot = parseInt(new Date().getTime()/(1000 * 60 * 5));
- var input = "This is a test";
- var output = "";
- for(var i = 0; i < input.length; i++)
- {
- char = ( input.charCodeAt(i) + rot ) %255;
- output += String.fromCharCode(char);
- }
- output = escape(output);
- console.log(output);
- var http = new XMLHttpRequest();
- var url = "test.php";
- var params = "chars="+output;
- http.open("POST", url, true);
- //Send the proper header information along with the request
- http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
- http.onreadystatechange = function() {//Call a function when the state changes.
- if(http.readyState == 4 && http.status == 200) {
- alert(http.responseText);
- }
- }
- http.send(params);
- </script>
- </body>
- </html>
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