Re: [OAUTH-WG] OAuth 2.0 Proof-of-Possession (PoP) Security Architecture

2023-04-03 Thread Hannes Tschofenig
Hi Daniel, from the history of the group I think it is fair to say that we can guarantee that there will be further work on this topic. The reason why I agree with Nat is that neither DPoP nor MTLS paint the bigger picture. Ciao Hannes Am 03.04.2023 um 09:20 schrieb Daniel Fett: Hi Nat,

Re: [OAUTH-WG] OAuth 2.0 Proof-of-Possession (PoP) Security Architecture

2023-04-03 Thread Daniel Fett
Hi Nat, after reading through the PoP architecture document again, my impression is that this document had a lot of value before MTLS and DPoP came along. But when thinking about what an updated version could look like, and considering that it is unlikely for the moment that many other PoP me

Re: [OAUTH-WG] OAuth 2.0 Proof-of-Possession (PoP) Security Architecture

2023-03-28 Thread Nat Sakimura
Sorry, "oauth" apparently expanded to oauth list. My sincere apologies. > ___ OAuth mailing list OAuth@ietf.org https://www.ietf.org/mailman/listinfo/oauth

Re: [OAUTH-WG] OAuth 2.0 Proof-of-Possession (PoP) Security Architecture

2023-03-28 Thread Nat Sakimura
Hi Torsten, >From what I can see, there are substantial differences in the approaches. The Security BCP is collecting what should be done with the current toolset and currently known threats in detail. The PoP Architecture, on the other hand, categorizes what kind of proof of possession is conce

Re: [OAUTH-WG] OAuth 2.0 Proof-of-Possession (PoP) Security Architecture

2023-03-27 Thread torsten=40lodderstedt . net
Hi Nat, the Secure BCP defines sender-constrained access tokens and (I think) gives a comprehensive description of the attacks prevented by sender-constrained access tokens. https://datatracker.ietf.org/doc/html/draft-ietf-oauth-security-topics-22#name-misuse-of-stolen-access-tok Do you think

[OAUTH-WG] OAuth 2.0 Proof-of-Possession (PoP) Security Architecture

2023-02-10 Thread Nat Sakimura
Hi OAuth 2.0 Proof-of-Possession (PoP) Security Architecture[1] has not progressed and expired since 2017. [1] https://datatracker.ietf.org/doc/html/draft-ietf-oauth-pop-architecture-08 I just noticed it because I wanted to refer to it in one of the papers I am involved with. IMHO, it has got go