function mycrypt($data, $key, $decrypt = false)
{
  $td = mcrypt_module_open('tripledes', '', 'ecb', '');
  $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
  mcrypt_generic_init($td, $key, $iv);
  if($decrypt){
    $output = mdecrypt_generic($td,  base64_decode($data));
  }
  else{
    $output = base64_encode(mcrypt_generic($td, $data));
  }
  mcrypt_generic_deinit($td);
  mcrypt_module_close($td);
  return $output;
}