<?php

// RSAJAX - A simple library for secure AJAX calls
// Andrew Peace <apeace@gmail.com>
// http://www.andrewpeace.com/rsajax
// See LICENSE for licensing details

session_start();

include_once('rsa.class.php');
include_once('rc4.php');

$rsajax_client_key = null;

//add your own RSA keys!

$rsajax_server_n = '118875288768814652586025854280572001693';
$rsajax_server_e = '40797132761883902031985546546799803063';
$rsajax_server_d = '30269809769178569242659846420167687183';

//$rsajax_server_n = '89288702738936233943675542606633455191';
//$rsajax_server_e = '46836301345325511454284323197610499223';
//$rsajax_server_d = '72423556884853502671666319943495241519';

$RSA = new RSA();

//if client key is already stored in the session
if(isset($_SESSION['s_rsajax_client_key']))
{
    $rsajax_client_key = $_SESSION['s_rsajax_client_key'];
}

//returns the given value decrypted with the server's private key
function rsajax_decrypt($value)
{
    global $RSA;
    global $rsajax_server_n;
    global $rsajax_server_d;
    
    return $RSA->decrypt($value, $rsajax_server_d, $rsajax_server_n);
}

//returns the given value encrypted with the client's public key
function rsajax_encrypt($value)
{
    global $rsajax_client_key;
    
    return rc4Encrypt($rsajax_client_key, $value);
}

?>