public static AjaxTotalsToken GetAuthenticationToken(HttpContext httpContext)
        {
            AjaxTotalsToken token = new AjaxTotalsToken()
            {
                expireDateTime = DateTime.Now.AddHours(tokenLifeHours).ToString(),
                userIP         = httpContext.Request.UserHostAddress,
                random         = new Random().Next()
            };

            return(token);
        }
        public static string EncryptToken(AjaxTotalsToken token)
        {
            JavaScriptSerializer serializer = new JavaScriptSerializer();

            return(CommonHelper.Encrypt(serializer.Serialize(token)));
        }