I'm with George. You can do introspection with no audience restriction. We implemented introspection with only scope restriction from the RS.

 -- Justin

On 3/18/2016 8:50 AM, George Fletcher wrote:
I was thinking of goal #2 as addressing the issue of audience in the token. If the RS "authenticates" itself when calling introspection, then the AS could apply the audience restriction for the RS. Is that what you were thinking?

On 3/18/16 3:09 AM, Thomas Broyer wrote:

Note that goal #2 is already taken care of by introspection (endpoint varying response depending on authenticated client/RS), so maybe should be refined here.


Le jeu. 17 mars 2016 18:44, George Fletcher <gffle...@aol.com> a écrit :

    Goals:

    1. Help the client not send a token to the "wrong" endpoint
        a. wrong AS /token endpoint
        b. evil RS endpoint(s)
    2. Allow good RS to determine if the token being validated was
    intended
    for that RS

    Other high-level goals?

    Use cases:

    1. RS that supports multiple AS (we've had this in production
    since 2011)
    2. RS rejects token not issued for use at the RS
    3. Client that dynamically supports new RS (say any client that
    supports
    the jabber API)
    4. Client that dynamically supports new AS

    Feel free to add to the list :)

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