>  I don't understand. We align with hybrid by not being hybrid?

Ah sorry, I mean on the design of how the client shares an
ephemeral encapsulation key in their `ClientHello` and how the server
replies with the ciphertext in their `ServerHello`, and generally aligning
in design and encoding with -hybrid-design, I'll clarify.

On Wed, Mar 6, 2024 at 10:57 AM John Mattsson <john.matts...@ericsson.com>
wrote:

> Thanks Deirdre,
>
>
>
> I would like to use hybrid but I strongly believe that registering things
> as standalone NamedGroups and then let TLS negotiate which combinations to
>  use is the right one long-term. This is the approch chosen be IKEv2.
>
>
>
> - As EKR pointed out the word "fully" would need explanation.
>
>
>
> - We align with [hybrid] except that instead of joining ECDH options
>
>   with a KEM, we just have the KEM as a NamedGroup.
>
>
>
>   I don't understand. We align with hybrid by not being hybrid?
>
>
>
> - encapsulated shared secret ciphertext
>
>
>
> Maybe shared secret encapsulated in the ciphertext?
>
>
>
> Cheers,
>
> John
>
>
>
> *From: *TLS <tls-boun...@ietf.org> on behalf of Eric Rescorla <
> e...@rtfm.com>
> *Date: *Wednesday, 6 March 2024 at 16:12
> *To: *Deirdre Connolly <durumcrustu...@gmail.com>
> *Cc: *TLS@ietf.org <tls@ietf.org>
> *Subject: *Re: [TLS] ML-KEM key agreement for TLS 1.3
>
> Deirdre, thanks for submitting this. Can you say what the motivation is
> for being "fully post-quantum" rather than hybrid?
>
>
>
> Thanks,
>
> -Ekr
>
>
>
>
>
>
>
> On Tue, Mar 5, 2024 at 6:16 PM Deirdre Connolly <durumcrustu...@gmail.com>
> wrote:
>
> I have uploaded a preliminary version of ML-KEM for TLS 1.3
> <https://datatracker.ietf.org/doc/draft-connolly-tls-mlkem-key-agreement/>
> and have a more fleshed out
> <https://protect2.fireeye.com/v1/url?k=31323334-501d5122-313273af-454445555731-864093ca9ffba626&q=1&e=c11b4b5f-f194-49c4-a720-c34e25cc52c2&u=https%3A%2F%2Fgithub.com%2Fdconnolly%2Fdraft-tls-mlkem-key-agreement>
>  version
> to be uploaded when datatracker opens. It is a straightforward new
> `NamedGroup` to support key agreement via ML-KEM-768 or ML-KEM-1024, in a
> very similar style to -hybrid-design
> <https://datatracker.ietf.org/doc/draft-ietf-tls-hybrid-design/>.
>
>
>
> It will be nice to have pure-PQ options (that are FIPS / CNSA 2.0
> compatible) ready to go when users are ready to use them.
>
>
>
> Cheers,
>
> Deirdre
>
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> https://www.ietf.org/mailman/listinfo/tls
>
>
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