+1 to EKR’s suggestion “just changing the IANA value in the other spec in 
AUTH48 and skipping all this wordsmithing”.

X25519MLKEM768 as “Y” asap would be very welcome. This also gives TLS WG time 
to discussion other RECOMMENDED and MTI changes over the next years.

Cheers,
John Preuß Mattsson

From: Peter C <[email protected]>
Date: Thursday, 7 May 2026 at 11:24
To: TLS List <[email protected]>
Subject: [TLS] Re: Working group adoption call for 
draft-westerbaan-tls-keyshare-recommendations-02

I agree with Ekr on this.  If the only change is to mark X25519MLKEM768 as "Y", 
then that is better done in draft-ietf-tls-ecdhe-mlkem.  Adopting 
draft-westerbaan-tls-keyshare-recommendations brings with it the temptation to 
do more, e.g. deprecating ECDHE, which is premature.

Peter

From: Sean Turner <[email protected]>
Sent: 06 May 2026 17:47
To: TLS List <[email protected]>
Subject: [TLS] Re: Working group adoption call for 
draft-westerbaan-tls-keyshare-recommendations-02

Reminder that this is still ongoing.

spt


On Apr 28, 2026, at 16:46, Joseph Salowey <[email protected]> wrote:

This is a working group adoption call for 
draft-westerbaan-tls-keyshare-recommendations-02 that we noted in [1]. The 
purpose of this draft is solely to mark X25519MLKEM768 as recommended "Y" in 
the registry. This draft represents what the authors think is an acceptable 
compromise combining two drafts: 
draft-westerbaan-tls-keyshare-recommendations-00 and 
draft-usama-tls-ecdhe-mlkem-update-00.  The notable differences in the latest 
draft are:

1. The draft does not deprecate the traditional ECDHE groups
2. The draft only marks X25519MLKEM768 as "Y" and the other hybrid ECDHE groups 
remain "N"
These differences can be addressed in future documents if necessary

Please respond to this thread if you approve of adopting this draft as a 
working group item. If you do not approve of adopting this work, please explain 
why. This call will close on May 11, 2026.

The chairs are not sending this draft to the FATT for review because it only 
updates an IANA registry for an algorithm defined in another draft.

REMINDER 1: If you have not done so recently, review the TLS WG's Mail List 
Procedures; see [2].

REMINDER 2: As noted in [1], we plan to WGLC this draft soon after successful 
adoption on a working group document incorporating any changes identified in 
the adoption process.

Thanks,
Joe, Deirdre, Sean

[1] https://mailarchive.ietf.org/arch/msg/tls/ckzUlvxUpa38lzHEVKwBlXwQ8x0/
[2] https://mailarchive.ietf.org/arch/msg/tls/ucdImHExlbOf4Q3BCG81gjzi2xE/
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