Eric Rescorla wrote:
>Is reuse of ML-KEM keys worse in some way than the reuse of ECDHE keys?

No reuse of ephemeral keys is always bad.

John

From: Eric Rescorla <[email protected]>
Date: Saturday, 2 November 2024 at 02:09
To: John Mattsson <[email protected]>
Cc: Filippo Valsorda <[email protected]>, Rich Salz <[email protected]>, Bas 
Westerbaan <[email protected]>, [email protected] <[email protected]>
Subject: Re: [TLS] Re: MLKEM or Khyber KX


On Fri, Nov 1, 2024 at 11:30 AM John Mattsson 
<[email protected]<mailto:[email protected]>>
 wrote:
>and would warmly welcome it being a MUST in the IETF specification of the 
ML-KEM TLS hybrids.

+1

Let’s try to make that happen
https://github.com/post-quantum-cryptography/draft-kwiatkowski-tls-ecdhe-mlkem/pull/25

Is reuse of ML-KEM keys worse in some way than the reuse of ECDHE keys?

-Ekr


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