Re: [OAUTH-WG] WGLC on draft-ietf-oauth-mtls-07

2018-03-29 Thread John Bradley
Yes that is quite a common deployment scenario. I think that is the way most of the Open Banking implementations have deployed it currently. The intent is to support that. One problem is that how the certificate is transmitted to the application tends to be load balancer/reverse proxy

Re: [OAUTH-WG] WGLC on draft-ietf-oauth-mtls-07

2018-03-29 Thread Neil Madden
Thanks, and understood. The privacy concerns are mostly around correlating activity of *clients*, which may or may not reveal activity patterns of users using those clients. I don’t know how much of a concern that is in reality, but thought it should be mentioned. A colleague also made the

Re: [OAUTH-WG] New Version Notification for draft-lodderstedt-oauth-jwt-introspection-response-00.txt

2018-03-29 Thread Neil Madden
I’ve just realised that “crit” is for headers while the “scope” claim is in the payload, so a different approach would be needed in that case (or the scope would need to be duplicated into the headers). Kind regards, Neil -- > On Wednesday, Mar 28, 2018 at 4:41 pm, Neil Madden

Re: [OAUTH-WG] WGLC on draft-ietf-oauth-mtls-07

2018-03-29 Thread John Bradley
Thanks for the feedback. We will review your comments and reply. One data point is that this will not be the only POP spec. The spec using token binding vs mtls has better privacy properties. It is UK Open banking that has pressed us to come up with a standard to help with

Re: [OAUTH-WG] WGLC on draft-ietf-oauth-mtls-07

2018-03-29 Thread Neil Madden
Hi, I have reviewed this draft and have a number of comments, below. ForgeRock have not yet implemented this draft, but there is interest in implementing it at some point. (Disclaimer: We have no firm commitments on this at the moment, I do not speak for ForgeRock, etc). 1.