public string SetAuthCookie(HttpContext httpContext, string authenticationTicket, string cookieName, string key, DateTime Expiration)
{
var encryptedTicket = DisplayUtils.Encrypt(authenticationTicket, key);
var cookie = new HttpCookie(cookieName, encryptedTicket)
{
HttpOnly = true,
Expires = Expiration
};
httpContext.Response.Cookies.Add(cookie);
return(encryptedTicket);
}