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

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] 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 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] 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 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