public ActionResult PasswordExist(String password) { var employeeId = Int64.Parse(Session["employeeId"].ToString()); keys _keys = new keys(); data.AES aes = new data.AES(); var key = _keys.GetOneById(1); users _users = new users(); return(Json(new { passwordExist = _users.PasswordExist(aes.Encriptar(password, key.C_Key, key.C_IV), employeeId) }, JsonRequestBehavior.AllowGet)); }