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[TLS] Re: [TLS]Working Group Last Call for "Hybrid key exchange in TLS 1.3"

Douglas Stebila <dstebila@gmail.com> Sun, 01 September 2024 21:04 UTC

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From: Douglas Stebila <dstebila@gmail.com>
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Date: Sun, 01 Sep 2024 17:04:09 -0400
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Subject: [TLS] Re: [TLS]Working Group Last Call for "Hybrid key exchange in TLS 1.3"
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> On Sep 1, 2024, at 10:47 AM, Stephen Farrell <stephen.farrell@cs.tcd.ie> wrote:
> 
> Section 3.2 says there are two allowed ways to handle the same
> component algs being used in multiple key shares. However,
> doesn't ECH mean that additional possibilities exist? What
> should a client do in terms of re-use when using ECH?

That's a good question.  I'm not very familiar with subtleties around ECH.  Is there any re-use allowed between ECH and the main handshake?

Douglas

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