[Openid-specs-mobile-profile] MODRNA WG call on Sept 04 2018 preliminary minutes

philippe.clement at orange.com philippe.clement at orange.com
Thu Sep 6 08:04:10 UTC 2018

Please find below the minutes of our MODRNA call on Sept 4th 2018
In case of error or misunderstanding, please let me know

Roll Call (extract from GoToMeeting)
Bjorn Hjelm, Dave.Tonge, John Bradley, Philippe Clement (Orange), Brian Campbell, Charles Marais (Orange), Michael Engan, Petteri (Ubisecure)

Adoption of the Agenda [Bjorn/John]
Agenda agreed

Liaisons Updates

GSMA [Siva]
Not addressed

Working Group Updates

FAPI WG [Nat/Dave]
work on progress on next implementer's draft .

CIBA  Core/MODRNA (Dave/Brian/Gonzalo/Axel)
Dave & Brian addressed some issues about merging and 2 or 3 separate drafts
Work correlated to issue solving.

Discovery (John)
Questions about moving discovery spec forward.
One consideration is to minimize the number of calls the client has to make. But on the other hand, security concerns must be taken into consideration.
Conversations occurred with GSMA about a MODRNA style discovery, and repositories across carriers.
A thing to avoid is that a RP has to register twice.

Issue Tracker

*       #66<https://bitbucket.org/openid/mobile/issues/66/ciba-notification-mode-to-be-notification> CIBA notification mode to be notification only
   The question is to not deliver the token directly, but instead inform the RP that it can fetch the token at the token Endpoint. This approach keeps a well-known and unique way for the RP to recover the token, this makes easier the exchanges for the notification endpoint. Creating a new notification mode to the RP is at stake, making 3 ways to deliver the token. This trail is followed by OpenBanking for security reasons.
*       #82<https://bitbucket.org/openid/mobile/issues/82/ciba-naming-of-the-3-modes> Naming of the 3 modes
   3 initial proposals are :
1-      Polling
2-      Notification Callback (without the token)
3-      Delivery Callback (with the token)
   Alternate proposal from John: poll, ping and push
   more comments from the group are awaited on this issue
*       #81<https://bitbucket.org/openid/mobile/issues/81/ciba-authentication-error-responses-cant> Authentication Error Responses can't all be returned from the Backchannel Authentication Endpoint
   What does "access denied" error code mean ? discussion about the semantics and the different flows and conditions in which it can be provided
*       #80<https://bitbucket.org/openid/mobile/issues/80/ciba-new-notification-callback-behaviour> New notification callback behaviour when token request is made before notification received
   When a client has registered in a ping mode, is it allowed to fetch the token endpoint ?
   Brian: the 2 things are just polling... trying to not overcomplicate. One is polling, other is polling with a ping.
   A consensus appears towards considering the 2 modes in the same way.
*       #77<https://bitbucket.org/openid/mobile/issues/77/ciba-terminology-authentication-result> Terminology - "authentication result"
   Authentication response, authorization response...
   Authentication result is agreed, review the spec for consistency
*       #67<https://bitbucket.org/openid/mobile/issues/67/clarify-ciba-authentication-request-format> Clarify CIBA Authentication Request format
   Petteri suggests that issue 73 is correlated.
   Discussions around signed request object (OIDC)  and OAuth2 request formalism, application/json and application/jwt.
   Work in progress.

*       "Question: mandatory vs Optional Scopes" [Michael]
*       The group to look at Michael email and response before next week.

Do we have to setup other regular calls ? (mail from Bjorn) : yes to schedule, check that the hour is not used.

Best regards,

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