Re: [OAUTH-WG] Last Call: (JWT Response for OAuth Token Introspection) to Proposed Standard

2020-08-31 Thread Benjamin Kaduk
Hi all, On Mon, Aug 31, 2020 at 09:58:11AM +0200, Denis wrote: > The last text that has been proposed on the list about this thread is > the following: > > Implementers should be aware that a token introspection request lets the > AS know when the client is accessing the RS, >   which can

Re: [OAUTH-WG] Last Call: (JWT Response for OAuth Token Introspection) to Proposed Standard

2020-08-31 Thread Neil Madden
> On 31 Aug 2020, at 18:41, Jeff Craig wrote: > >  > I think that the argument is that token refreshing isn't as strong a signal > about usage patterns as introspection calls would be, which I agree with. It’s usually pretty similar in my experience (see below). > I also think that if a RS

Re: [OAUTH-WG] Last Call: (JWT Response for OAuth Token Introspection) to Proposed Standard

2020-08-31 Thread Dick Hardt
Another approach to address the privacy implications of a token refresh is a client can obfuscate usage by the user by doing regular token refreshes independent of user activity. ᐧ On Mon, Aug 31, 2020 at 10:41 AM Jeff Craig wrote: > I think that the argument is that token refreshing isn't as s

Re: [OAUTH-WG] WGLC Review of PAR

2020-08-31 Thread Brian Campbell
I'm not sure how to word it exactly but I think Dick has landed on what we ultimately want this to say. Basically that the "request_uri" is intended to be used only once, the client MUST not use it more than once, and that the AS should also treat it as one-time use but may make reasonable accommod

Re: [OAUTH-WG] Last Call: (JWT Response for OAuth Token Introspection) to Proposed Standard

2020-08-31 Thread Neil Madden
But if you want to handle revocation (and you do), then the alternative is short-lived access tokens with frequent refreshing, which also informs the AS of activity. So is this any better? If an org running an RS decides to use a 3rd-party AS (eg cloud hosted) then there are privacy implication

Re: [OAUTH-WG] Last Call: (JWT Response for OAuth Token Introspection) to Proposed Standard

2020-08-31 Thread Denis
The last text that has been proposed on the list about this thread is the following: Implementers should be aware that a token introspection request lets the AS know when the client is accessing the RS,   which can also indicate when the user is using the client. If this implication is not