Re: [Ace] I-D Action: draft-ietf-ace-pubsub-profile-06.txt

Dear ACE,
With this update, we have aimed to make progress in the to-do presented in
the interim. More specifically:
 - Clarified Client workflow and describe KDC discovery as close as
possible to core pub-sub.
-   AIF-PUBSUB-GROUPCOMM Scope - added support for admin role for
future-proofing; added delete role
-  Clarified Cose_key returned in Join Response and AEAD nonce construction
based on a sender ID provided by the KDC (Partial IV is the message
sequence number, Base IV provided by the KDC).
-  Checked off most Finalise Groupcomm Required and Optional List with the
exception of the group rekeying further to be clarified.

Kind regards,
--Cigdem

On Mon, 13 Mar 2023 at 08:59, <internet-drafts@ietf.org> wrote:

>
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories. This Internet-Draft is a work item of the Authentication and
> Authorization for Constrained Environments (ACE) WG of the IETF.
>
>    Title           : Publish-Subscribe Profile for Authentication and
> Authorization for Constrained Environments (ACE)
>    Authors         : Francesca Palombini
>                      Cigdem Sengul
>                      Marco Tiloca
>    Filename        : draft-ietf-ace-pubsub-profile-06.txt
>    Pages           : 37
>    Date            : 2023-03-13
>
> Abstract:
>    This document defines an application profile for enabling secure
>    group communication for a constrained Publish-Subscribe (pub/sub)
>    scenario, where Publishers and Subscribers communicate through a
>    broker, using the ACE framework.  This profile relies on transport
>    layer or application layer security profiles of ACE to achieve
>    communication security, server authentication and proof-of-possession
>    for a key owned by the Client and bound to an OAuth 2.0 Access Token.
>    The document describes how to request and provision keying material
>    for group communication, and protect the content of the pub/sub
>    client message exchange, focusing mainly on the pub/sub scenarios
>    using the Constrained Application Protocol (CoAP)
>    [I-D.ietf-core-coap-pubsub].
>
> The IETF datatracker status page for this Internet-Draft is:
> https://datatracker.ietf.org/doc/draft-ietf-ace-pubsub-profile/
>
> There is also an HTML version available at:
> https://www.ietf.org/archive/id/draft-ietf-ace-pubsub-profile-06.html
>
> A diff from the previous version is available at:
> https://author-tools.ietf.org/iddiff?url2=draft-ietf-ace-pubsub-profile-06
>
> Internet-Drafts are also available by rsync at rsync.ietf.org:
> :internet-drafts
>
>
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