Re: [OAUTH-WG] proposed resolution for PKCE in OAuth 2.1

2020-05-19 Thread Nov Matake
Yes. The root problem isn’t the mix-use of PKCE and nonce, it’s PKCE implementation bug. Yeah, all PKCE implementation MUST reject such requests, regardless it’s OAuth 2.1 or 2.0. (and it’s probably because of PKCE spec’s ambiguity..) > 2020/05/20 1:13、Mike Jones のメール: > > So it sounds me lik

Re: [OAUTH-WG] proposed resolution for PKCE in OAuth 2.1

2020-05-19 Thread Mike Jones
So it sounds me like the fix is to have servers reject PKCE requests with incomplete parameter sets: requests that only contains one of code_challenge and code_verified. Will that eliminate the attack, Nov? -- Mike From: OAuth On Behalf O

Re: [OAUTH-WG] DPoP - Downgrades, Transitional Rollout & Mixed Token Type Deployments

2020-05-19 Thread Filip Skokan
This is a RE: to yesterday's interim meeting discussion, largely related to the first rollout step where we want to constrain refresh tokens but leave protected resource access intact. I'll start off with a case that I hope we can agree is absolutely necessary for DPoP to solve - that is constrain

[OAUTH-WG] JAR: JWT typ

2020-05-19 Thread Dominick Baier
Hi, This has been brought up before - but no response. Either I can’t find it - or it is missing. But is the setting the JWT typ explicitly mentioned somewhere? I think it should to prevent cross JWT confusion. Thanks ——— Dominick Baier ___ OAuth mail

Re: [OAUTH-WG] Web Authorization Protocol (oauth) WG Virtual Meeting: 2020-05-18

2020-05-19 Thread Rifaat Shekh-Yusef
Hi Filip, I have uploaded the slides to the materials page here: https://datatracker.ietf.org/meeting/interim-2020-oauth-09/materials/slides-interim-2020-oauth-09-sessa-dpop Regards, Rifaat On Tue, May 19, 2020 at 5:39 AM Filip Skokan wrote: > Hello Brian, > > can you share the slide deck f

Re: [OAUTH-WG] Web Authorization Protocol (oauth) WG Virtual Meeting: 2020-05-18

2020-05-19 Thread Filip Skokan
Hello Brian, can you share the slide deck from yesterday so that we may continue the discussion on the mentioned open questions here on the list? Thank you, Best, *Filip* On Wed, 13 May 2020 at 20:43, Brian Campbell wrote: > Just wanted to note that there is a newer -01 revision of the docum