RE: [saml-dev] SP --> IDP Auth

> SP wants to know if the user is authenticated or not (status: 
> Y or N) at the IDP? How can I do that?

Depending on what you're after, a probe AuthnRequest with IsPassive="true"
might be what you want. The problem with that is knowing the IdP to ask in
the first place without prompting the user, since that defeats the purpose.

-- Scott