> rather than a safer hybrid

As a coauthor on hybrid publications and I-Ds, I do not agree that hybrids
are categorically safer. The -tls-hybrid-design for hybrids is pretty
great... if you use secure component algorithms.

On Wed, Apr 2, 2025, 12:24 PM Bellebaum, Thomas <
thomas.belleb...@aisec.fraunhofer.de> wrote:

> > I believe that adopting the draft will allow those who
> > wish to use pure PQC (for whatever reasons they may
> > have) to do so while at the same time not in any way
> > impacting anybody else who doesn't want to do that.
>
> Those who wish to use pure PQC do not need permission. This is about IETF
> _endorsement_.
>
> Even with Recommended=N, I can imagine many managers reacting to a
> presentation on "YOU NEED TO USE PQC LIKE ML-KEM BECAUSE ELSE..." by
> googling "deploy ML-KEM now" and being recommended this rather than a safer
> hybrid[1]. I am not convinced that such a person, if given more knowledge,
> "doesn't want to do that".
>
> Not everyone using TLS is a cryptographer knowing the implications of
> their algorithm choices by heart.
>
> -- TBB
>
> [1] After all, the manager was told to deploy MLKEM, not this suspicious
> X25519MLKEM, whatever scam that must surely be.
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