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[TLS] Re: Fwd: New Version Notification for draft-usama-tls-risks-of-mlkem-01.txt

"Salz, Rich" <rsalz@akamai.com> Fri, 29 May 2026 12:39 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Muhammad Usama Sardar <muhammad_usama.sardar@tu-dresden.de>, "TLS@ietf.org" <tls@ietf.org>
Thread-Topic: [TLS] Fwd: New Version Notification for draft-usama-tls-risks-of-mlkem-01.txt
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Subject: [TLS] Re: Fwd: New Version Notification for draft-usama-tls-risks-of-mlkem-01.txt
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On 5/29/26, 6:39 AM, "Muhammad Usama Sardar" <muhammad_usama.sardar@tu-dresden.de> wrote:

  *
I believe I have collected sufficient attestations from the WG that a new proof is required for draft-ietf-tls-mlkem.


Can you explain why the synmmetric argument in your draft does not hold for hybrid key exchange?

I disagree and agree with John Mattsson about discussion, notably:

  *
- This concerns KEMs in general and is independent of draft-ietf-tls-mlkem, ML-KEM, and PQ.
  *
A proof in the symbolic model would be valuable, but not required, as there are already other proofs supporting the security of KEM use in TLS 1.3.

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