Re: [OAUTH-WG] WGLC for Step-up Authentication

2022-10-11 Thread Brian Campbell
I don't know offhand a better place or if your specific privacy consideration is already covered. Honestly, with that comment, I was just aiming to keep the scope of this document concise and relevant. On Tue, Oct 11, 2022 at 10:06 AM Denis wrote: > Hi Brian, > > I agree with you that "must not"

[OAUTH-WG] I-D Action: draft-ietf-oauth-step-up-authn-challenge-05.txt

2022-10-11 Thread internet-drafts
A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Web Authorization Protocol WG of the IETF. Title : OAuth 2.0 Step-up Authentication Challenge Protocol Authors : Vittorio Bertocci

Re: [OAUTH-WG] WGLC for Step-up Authentication

2022-10-11 Thread Denis
Hi Brian, I agree with you that "must not" is more appropriate in that context. I also agree with you that the "privacy implications of opaque tokens are inherent to OAuth in general". However, I have not reviewed all the RFCs and I wonder whether such a privacy consideration has already been

Re: [OAUTH-WG] WGLC for Step-up Authentication

2022-10-11 Thread Brian Campbell
Thanks Denis, I agree the word "cannot" isn't quite right there. I struggled with trying to find the right wording (more than I probably should have) attempting to add a note/reminder without getting into normative sounding language. But I also wanted to make a firm statement. Words are hard someti

Re: [OAUTH-WG] WGLC for Step-up Authentication

2022-10-11 Thread Brian Campbell
I forgot to add Dima to the acknowledgements yesterday when doing -04 (thanks Vittorio for catching that). I'll rectify that shortly. On Mon, Oct 10, 2022, 4:53 PM Brian Campbell wrote: > I've published an -04. It has that very minor change. There was also an > off-list discussion during WGLC th

Re: [OAUTH-WG] WGLC for Step-up Authentication

2022-10-11 Thread Denis
Hi Brian, The text states: Also recall that OAuth 2.0 [RFC6749] assumes access tokens are treated as opaque by clients. So, during the course of any token caching strategy, a client *cannot* inspect the content of the access token to determine the associated authentication informa