Title: Response to [2002] LS to IETF TLS WG – asking for RFC publication 
timeline of Post-quantum hybrid ECDHE-MLKEM Key Agreement active internet draft
Submission Date: 2025-09-03
URL of the IETF Web page: https://datatracker.ietf.org/liaison/2058/

From: Sean Turner <[email protected]>
To: Wayne Cutler <[email protected]>,[email protected]
Cc: Joseph Salowey <[email protected]>,Paul Wouters <[email protected]>,Sean 
Turner <[email protected]>,Transport Layer Security Discussion List 
<[email protected]>,Deirdre Connolly <[email protected]>,Deb Cooley 
<[email protected]>
Response Contacts: Joseph Salowey <[email protected]>,Sean Turner 
<[email protected]>,Deirdre Connolly <[email protected]>
Technical Contacts: 
Purpose: In response

Referenced liaison: LS to IETF TLS WG – asking for RFC publication timeline of 
Post-quantum hybrid ECDHE-MLKEM Key Agreement active internet draft 
(https://datatracker.ietf.org/liaison/2002/)

Body: Thank you for reaching out and sending your request to us! We apologise 
for missing the deadline but hope the information in this reply is still 
valuable in the preparation of your upcoming meeting!

The draft on Post-quantum hybrid ECDHE-MLKEM Key Agreement for TLSv1.3 
(https://datatracker.ietf.org/doc/draft-ietf-tls-ecdhe-mlkem/) is an adopted 
working group item since March 2025 and has been stable for some time, even to 
the extent that it is already deployed in some cases. Therefore we believe this 
document is stable enough to be used as normative reference. Referencing an 
adopted draft normatively is a practice that other organisation follow as well 
and we concur with, particularly in this case.

If you prefer to wait for the final RFC before you reference it normatively, we 
are optimistic to begin the progress by Q4 of 2025 but as the IETF does not 
work on firm deadline, we cannot guarantee the timing at this point of time. 
Note that after approval there is another formal editing phase where the RFC 
number is assigned before the RFC is published and this will then likely be 
after Q4 of 2025.

In any case please feel free to reach out for any further questions or directly 
contact the working group chairs, Sean Turner and Joe Saloway, for a quicker 
turn over on any particular questions!
Attachments:

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