public virtual void Challenge(IChallengeContext context)
        {
            if (SecurityHelper.LookupChallenge(context.AuthenticationTypes, BaseOptions.AuthenticationType, BaseOptions.AuthenticationMode))
            {
                ChallengeContext = context;
                context.Accept(BaseOptions.AuthenticationType, BaseOptions.Description.Dictionary);
            }

            if (PriorHandler != null)
            {
                PriorHandler.Challenge(context);
            }
        }
        public virtual void Challenge(IChallengeContext context)
        {
            if (ShouldHandleScheme(context.AuthenticationSchemes))
            {
                ChallengeContext = context;
                context.Accept(BaseOptions.AuthenticationScheme, BaseOptions.Description.Dictionary);
            }

            if (PriorHandler != null)
            {
                PriorHandler.Challenge(context);
            }
        }
        public virtual void Challenge(IChallengeContext context)
        {
            if (ShouldHandleScheme(context.AuthenticationSchemes))
            {
                ChallengeContext = context;
                context.Accept(BaseOptions.AuthenticationScheme, BaseOptions.Description.Dictionary);
            }

            if (PriorHandler != null)
            {
                PriorHandler.Challenge(context);
            }
        }
        public virtual void Challenge(IChallengeContext context)
        {
            if (SecurityHelper.LookupChallenge(context.AuthenticationTypes, BaseOptions.AuthenticationType, BaseOptions.AuthenticationMode))
            {
                ChallengeContext = context;
                context.Accept(BaseOptions.AuthenticationType, BaseOptions.Description.Dictionary);
            }

            if (PriorHandler != null)
            {
                PriorHandler.Challenge(context);
            }
        }