Re: [OAUTH-WG] New Version Notification for draft-fett-oauth-dpop-03.txt

2019-11-15 Thread Paul Querna
Echoing Neil's concerns, I posted this to the issue tracker: https://github.com/danielfett/draft-dpop/issues/56 I've been talking to several large scale API operators about DPoP. A consistent concern is the CPU cost of doing an asymmetric key validation on every HTTP Request at the RS. Micro-ben

Re: [OAUTH-WG] New OAuth DPoP and Security BCP drafts

2019-08-12 Thread Paul Querna
I've updated the dpop in go implementation to -02: https://github.com/pquerna/dpop Compared to implementing -01, because the same proof is used against the token requests and resource server access, it did generally simplify the implementation risk and complexity. Getting the private key fingerpr

[OAUTH-WG] draft-fett-oauth-dpop-01 implementation feedback

2019-05-01 Thread Paul Querna
Hi all, I recently built a prototype of DPoP using Go, and wanted to provide some feedback as I went about the implementation. The implementation is open source: https://github.com/pquerna/dpop Overall the spec felt functional, though I think the biggest gaps for a deployment are with the Access