[TLS] Re: WG Adoption Call for Post-Quantum Hybrid ECDHE-MLKEM Key Agreement for TLSv1.3

Deirdre Connolly <durumcrustulum@gmail.com> Wed, 26 February 2025 20:22 UTC

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From: Deirdre Connolly <durumcrustulum@gmail.com>
Date: Wed, 26 Feb 2025 15:22:08 -0500
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Subject: [TLS] Re: WG Adoption Call for Post-Quantum Hybrid ECDHE-MLKEM Key Agreement for TLSv1.3
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Discussed in this thread started December 16th:

https://mailarchive.ietf.org/arch/msg/tls/yGZV5dBTcxHJhG-JtfaP6beTd68/

On Wed, Feb 26, 2025 at 2:46 PM Christopher Wood <caw@heapingbits.net>
wrote:

> As I understand it, the purpose of this draft is to specify an
> interoperable key exchange mechanism that we can deploy. The draft already
> has code points allocated to it, and they exist in the registry
> <https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#tls-parameters-8>,
> so I wonder: what is the point of adopting this draft when the important
> work is already done? If it’s that some folks won’t implement it until
> there’s an RFC number assigned to it, well, that’s pretty silly. I support
> adoption if it helps this work get implemented more broadly, but I think
> it’s worth asking whether or not this is a good use of an already busy
> working group’s time.
>
> Best,
> Chris
>
> On Feb 26, 2025, at 1:26 PM, Sean Turner <sean@sn3rd.com> wrote:
>
> At IETF 121, the WG discussed “Post-Quantum Hybrid ECDHE-MLKEM Key
> Agreement for TLSv1.3”; see [0] and [1]. We also had some discussion in an
> information gathering thread; see [2]. We would like to now determine
> whether there is support to adopt this I-D. If you support adoption and are
> willing to review and contribute text, please send a message to the list.
> If you do not support adoption of this I-D, please send a message to the
> list and indicate why. This WG adoption call will close at 2359 UTC on 12
> March 2025.
>
> One special note: this adoption call has nothing to do with picking the
> mandatory-to-implement cipher suites in TLS.
>
> Thanks,
> Sean & Joe
>
> [0] Link to I-D:
> https://datatracker.ietf.org/doc/draft-kwiatkowski-tls-ecdhe-mlkem/
> [1] Link to slides:
> https://datatracker.ietf.org/meeting/121/materials/slides-121-tls-post-quantum-hybrid-ecdhe-mlkem-key-agreement-for-tlsv13-00
> [2] Link to information gather thread:
> https://mailarchive.ietf.org/arch/msg/tls/yGZV5dBTcxHJhG-JtfaP6beTd68/
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