[security-services] Do we want to add some discussion text for"Authenticated context "

As a general point, perhaps we need some discussion of "Authenticated
context". That is, if a SAML object (assertion, request or response) is
received as part of some larger message or connection, authentication
information from that context MAY apply to the assertion. Examples of such
authentication information include digital signatures on enveloping messages
and SSL authentication on connections. It is the responsibility of the SAML
binding or profile for a particular protocol to define how authentication
information from that protocol applies to the SAML data.

I'm inclined to think that this discussion belongs in the Core, since all
uses of SAML might want to refer to it.

 - irving - 


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