<?php

/*========================*\

 * OTP_TS
 * Written by: AS
 * Mialto: hide@address.com
 * Date: 2007-06-19
 * Algorithm: one-time-pad ts (encryption and decryption) 
 * Version: 1 
 * Licencia: Lesser General Public License (LGPL)   
 *
 * Copyright (C) 2007 Jacek Wloka
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.  

\*========================*/

function getmicrotime(){ 
    list($usec, $sec) = explode(" ",microtime()); 
    return ((float)$usec + (float)$sec); 
} 

include ('class.OTP_TS.php');
 
function read_file ($file) {

   if ($f = @fopen($file, "rb")) {
       $kod = @fread($f, @filesize($file));
       @fclose($f);
   }
   return $kod;

}

function save_file ($code, $file, $key=0) {

   if ($f = @fopen ($file, "wb")) {
       @fwrite($f, OTP_TS::cipher_OTP_TS($key, $code));      
       @fclose($f);
       return 1;
   } else {
       return 0; 
   }

}

$time_start = getmicrotime();

$password = "Secret password";

/* encryption file linux.bmp */
save_file(read_file('linux.bmp'), 'linux_ccc.bmp', $password);

/* and decryption file linux_ccc.bmp */
save_file(read_file('linux_ccc.bmp'), 'linux_2.bmp', $password);

$time_end = getmicrotime();
$time = $time_end - $time_start;

echo 'It execute in '.$time.' s.';

?>