[Ace] Fwd: New Version Notification for draft-tiloca-ace-group-oscore-profile-01.txt

Marco Tiloca <marco.tiloca@ri.se> Tue, 05 November 2019 11:03 UTC

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From: Marco Tiloca <marco.tiloca@ri.se>
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Subject: [Ace] Fwd: New Version Notification for draft-tiloca-ace-group-oscore-profile-01.txt
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Hello ACE,

We have submitted an updated version of the draft "Group OSCORE Profile
of the Authentication and Authorization for Constrained Environments
Framework"

https://tools.ietf.org/html/draft-tiloca-ace-group-oscore-profile-01

The document describes a profile of ACE where client and server can
communicate with OSCORE and Group OSCORE. This supports fine-grained
access control in group communication environments, where different
group members have different access rights to resources of other group
members. The pairwise OSCORE security context between the client and
server is established in a way similar to the OSCORE profile, and is
securely bound to the Group OSCORE security context previously obtained
when joining the OSCORE group.

This update is mostly about:

1) More discussions on relevant use cases in the introduction, including
input from BACnet (thanks, Dave!).

2) Addressed issue about possible client impersonation, by proving
client's possession of its own private key to the AS and including the
client's public key in the Access Token (thanks, Jim!).

3) Alignment with the latest v -08 of the OSCORE profile.


Comments are very welcome!

Best,
/Marco


-------- Forwarded Message --------
Subject: 	New Version Notification for
draft-tiloca-ace-group-oscore-profile-01.txt
Date: 	Mon, 4 Nov 2019 11:38:58 -0800
From: 	internet-drafts@ietf.org
To: 	Ludwig Seitz <ludwig.seitz@ri.se>;, Marco Tiloca
<marco.tiloca@ri.se>;, Rikard Hoeglund <rikard.hoglund@ri.se>;, Francesca
Palombini <francesca.palombini@ericsson.com>;




A new version of I-D, draft-tiloca-ace-group-oscore-profile-01.txt
has been successfully submitted by Marco Tiloca and posted to the
IETF repository.

Name: draft-tiloca-ace-group-oscore-profile
Revision: 01
Title: Group OSCORE Profile of the Authentication and Authorization for
Constrained Environments Framework
Document date: 2019-11-04
Group: Individual Submission
Pages: 35
URL:
https://www.ietf.org/internet-drafts/draft-tiloca-ace-group-oscore-profile-01.txt
Status:
https://datatracker.ietf.org/doc/draft-tiloca-ace-group-oscore-profile/
Htmlized:
https://tools.ietf.org/html/draft-tiloca-ace-group-oscore-profile-01
Htmlized:
https://datatracker.ietf.org/doc/html/draft-tiloca-ace-group-oscore-profile
Diff:
https://www.ietf.org/rfcdiff?url2=draft-tiloca-ace-group-oscore-profile-01

Abstract:
This document specifies a profile for the Authentication and
Authorization for Constrained Environments (ACE) framework. The
profile uses Object Security for Constrained RESTful Environments
(OSCORE) and/or Group OSCORE to provide communication security
between a Client and (a group of) Resource Server(s). Furthermore,
the profile uses (Group) OSCORE to provide server authentication, and
OSCORE to achieve proof-of-possession for a key owned by the Client
and bound to an OAuth 2.0 Access Token. Also, the profile provides
proof-of-group-membership for the Client, by securely binding the
pre-established Group OSCORE Security Context to the pairwise OSCORE
Security Context newly established with the Resource Server.



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