public function crypt(User $utilisateur)
 {
     $file = file('../../Applications/' . $this->app()->name() . '/Config/key.ini');
     if (sizeof($file) == 2) {
         $file[0] = str_replace("\n", "", $file[0]);
         $file[1] = str_replace("\n", "", $file[1]);
         $key1 = md5($utilisateur->id()) . $file[0] . md5($utilisateur->id());
         $key2 = md5($utilisateur->id()) . $file[1] . md5($utilisateur->id());
         return md5(sha1($key1 . $utilisateur->password() . $key2));
     } else {
         throw new \Exception(ErrorMessage::cryptPassword(1));
     }
 }