On Wed, Jan 08, 2025 at 12:19:54PM +0100, Dmytro OCHKAS wrote:
> Hello everyone,
>
> We are interested in using Ascon with COSE. We have submitted a new
> draft on the topic.
>
> The work is still in progress and we will be happy to have your
> feedback and to see if there is interest for collaboration.
The draft does not seem to say how the algorithm is used in COSE.
I presume this is subject to RFC 9052 section 5.3. (AEAD) processing
rules (so for bulk encryption and key wrap)?
In JOSE, the nonce is meant to be placed into JWE Initialization
Vector ("iv"). The "nonce" parameter is something else, meant to be
used with signatures, not encryption (even if it is also defined for
encryption). I do not offhand know any useful way to use "nonce" with
most encryption algorithms.
> ----- Mail transféré -----
> De: [email protected]
> À: "Hélène LE BOUDER" <[email protected]>, "Alexander PELOV"
> <[email protected]>, "dmytro ochkas"
> <[email protected]>, "Hélène LE BOUDER"
> <[email protected]>
> Envoyé: Mercredi 8 Janvier 2025 12:08:29
> Objet: New Version Notification for draft-ochkas-cose-ascon-00.txt
>
> A new version of Internet-Draft draft-ochkas-cose-ascon-00.txt has been
> successfully submitted by Dmytro Ochkas and posted to the
> IETF repository.
>
> Name: draft-ochkas-cose-ascon
> Revision: 00
> Title: Ascon-AEAD128 for JOSE and COSE
> Date: 2025-01-08
> Group: Individual Submission
> Pages: 9
> URL: https://www.ietf.org/archive/id/draft-ochkas-cose-ascon-00.txt
> Status: https://datatracker.ietf.org/doc/draft-ochkas-cose-ascon/
> HTMLized: https://datatracker.ietf.org/doc/html/draft-ochkas-cose-ascon
-Ilari
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