public IPrincipal GetPrincipal()
        {
            var identity = new CookieIdentity(this);

            return(new GenericPrincipal(identity, _roles));
        }
		public IPrincipal GetPrincipal()
		{
			var identity = new CookieIdentity(_name, _tag);
			return new GenericPrincipal(identity, _roles);
		}