[Openid-specs-ab] Spec call notes 3-Sep-15

Mike Jones Michael.Jones at microsoft.com
Thu Sep 3 15:02:33 UTC 2015

Spec call notes 3-Sep-15

Mike Jones
Nat Sakimura
Brian Campbell
John Bradley
Nov Matake

               New Issues
               Workshop before IIW
               Tokyo workshop after IETF 94 Yokohama

               Nat reported some parties may use SAML because OpenID Connect doesn't have a ratified logout spec
               He also said that some enterprise people are inventing home-grown logout spec
                              Shipping is a feature as well
               We still need interop testing on the HTTP-based logout
               The back channel logout spec doesn't yet exist
                              Nat said that some people apparently are using extensions to SCIM for back channel logout
                              He will try to find references to what those people are doing
                              Mike expressed that requiring SCIM to do logout seems like unnecessary complexity
               For the back channel logout, the OP would send a message to the RP containing the session ID
                              There could be an ID Token authenticating the sender
                              Some will want to log out a particular session - others will want to log out all sessions
               Back channel logout could be broadly construed - for instance terminating refresh tokens
               Nat raised the point about sometimes-connect clients
               Nat said that some parties are interested in receiving logout acknowledgements
               John said that having some concrete use cases might help
               Brian stated that expectations for logout appear to differ dramatically
               In theory, PingFederate supports back-channel logout for SAML
                              But ~90% of integrations don't include the necessary RP support for this
               Mobile apps make things even harder
                              What is the desired behavior for a mobile app?
               We can probably say something meaningful for interactive sessions
                              Mobile applications require the back-channel logout
               Things that could be logged out/revoked include:
                              interactive sessions
                              immediate access and refresh tokens
                              cascaded token revocations
                              native app logins
               There could be some kind of an ack back to the server for destroyed objects
                              Callbacks?  This could be a scalability issue.
                              Callbacks probably should be its own spec, if we ever do it
               Brian - implementing SAML logout is really hard and all the options only make it harder!

New Issues
               #980 - Where else do we need to specify the use of CORS support?
                              Brian: Discovery, JWKs endpoint
                              John: Authorization endpoint - Mike: You're redirecting there so you don't need CORS
                              John: You may or may not want registration to be open
                                             The origin can do direct calls to the dynamic client registration endpoint
                                             If you want different client IDs for each JavaScript client instance, CORS would have to be supported
                              Nat: Everything discovery related - including .well-known endpoints
                              It would be deployment policy about whether registration supports CORS
                              Mike will add a comment to the bug and will point people to the bug on e-mail

Workshop before IIW
               Mike told Don to remove Nat from the agenda
               Mike will ask Don what "HMG Cabinet Office Chairs" means for HEART, and if it's correct

Tokyo workshop after IETF 94 Yokohama
               Registration is not yet open for that, but there will be an English registration page
               Nat translated the Japanese event page to English at http://j.mp/cfp_oid15
               Session proposals are due by the end of the month but should be sent earlier
               John will cover RISC with help from Adam

               Roland is back from vacation and actively fixing stuff

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