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[TLS] Re: Working Group Last Call for Use of ML-DSA in TLS 1.3

Simon Josefsson <simon@josefsson.org> Sun, 12 April 2026 09:50 UTC

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From: Simon Josefsson <simon@josefsson.org>
To: Bas Westerbaan <bas=40cloudflare.com@dmarc.ietf.org>
In-Reply-To: <CAMjbhoW2hGst4bOv0AsJceEeP9n-d-phBk3OSU+TmRz=SnwXLw@mail.gmail.com> (Bas Westerbaan's message of "Sun, 12 Apr 2026 11:36:41 +0200")
References: <16CF0FDA-7263-461A-9F2B-D37DBEAF5DD9@sn3rd.com> <874ilg4j5f.fsf@josefsson.org> <CAMjbhoW2hGst4bOv0AsJceEeP9n-d-phBk3OSU+TmRz=SnwXLw@mail.gmail.com>
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Date: Sun, 12 Apr 2026 11:50:21 +0200
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Subject: [TLS] Re: Working Group Last Call for Use of ML-DSA in TLS 1.3
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Bas Westerbaan <bas=40cloudflare.com@dmarc.ietf.org> writes:

> On Sun, Apr 12, 2026 at 11:35 AM Simon Josefsson <simon=
> 40josefsson.org@dmarc.ietf.org> wrote:
>
>> I've re-read the document and continue to believe that this work ought
>> not to be published through the TLS WG.  There are other publication
>> venues available for crypto algorithm registrations, and I believe using
>> our time in the WG on non-hybrid KEM's to be a bad idea because of all
>> the concerns expressed throughout the life of this document.
>>
>
> Simon, just to be sure you read the right document: this thread is not
> about KEMs.

Thanks for the catch - one week of vacation in the sun tends to re-set
the terminology brain :)

Please read my comment replacing 'non-hybrid KEM' with 'non-hybrid
PQ-Signature' above, and replace 'throughout the life of this document'
with 'by earlier discussions on the insecurity of non-hybrid PQ usage'.

/Simon

>
>
>>
>> /Simon
>>
>> Sean Turner <sean@sn3rd.com> writes:
>>
>> > This is the working group last call for Use of ML-DSA in TLS
>> > 1.3. Please review draft-ietf-tls-mldsa [1] and reply to this thread
>> > indicating if you think it is ready for publication or not. If you do
>> > not think it is ready please indicate why. This call will end on April
>> > 23, 2026.
>> >
>> > REMINDER: If you have not done so recently, review the TLS WG's Mail
>> List Procedures; see [2].
>> >
>> > The Chairs,
>> > Deirdre, Joe, and Sean
>> >
>> > [1] https://datatracker.ietf.org/doc/draft-ietf-tls-mldsa/
>> > [2]
>> https://mailarchive.ietf.org/arch/msg/tls/ucdImHExlbOf4Q3BCG81gjzi2xE/
>> >
>> > _______________________________________________
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