[OAUTH-WG] How could an IdP create an id token for one audience RP without knowing for which RP ?

2017-07-31 Thread Denis
This is a follow-up of the OAuth workshop held in Zurich on July 13 th. At the end of the first day, Sven Hammann made a presentation on the following topic: "A private mode for OpenID Connect" Slide 14 indicated the motivation of the presentation : The IdP learns at which Relying Parties (RP

Re: [OAUTH-WG] JWT BCP on Compression in JWE

2017-07-31 Thread Brian Campbell
Hi Yaron, I don't actually know, which is why I raised the question in hopes that, if possible, the BCP could provide some practical and actionable advice. But I'll try and explain my (maybe naive) thoughts. As I understand it CRIME/BREACH are adaptive-chosen-plaintext attacks that work via malic

Re: [OAUTH-WG] How could an IdP create an id token for one audience RP without knowing for which RP ?

2017-07-31 Thread John Bradley
I think there may be some confusion between two different things that can use JWT. In OAuth a client asks for authorization to access some API set of resources. The AS is supposed to gather consent. In principal to construct some reasonable dialog for the user to grant the consent and to be ab

Re: [OAUTH-WG] [token-exchange] exchanging between issuers/domains

2017-07-31 Thread Brian Campbell
I don't think that's what I'm saying. Some of these concepts are difficult to reason about on a mailing list so I apologize for any miss or poor communication. When requesting a token, the resource or audience parameter can be used to indicate the target service where the client intends to use the

Re: [OAUTH-WG] I-D Action: draft-ietf-oauth-mtls-03.txt

2017-07-31 Thread Justin Richer
Brian, thanks for the update. This is really coming along! I think the spec would benefit from a more clear separation of the client authentication and resource access sections. They’re really almost two different but related specs, but there’s enough overlap that I think that keeping them in t