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Re: QUIC v2 and Version Negotiation Needs Your Deployment Feedback

Martin Duke <martin.h.duke@gmail.com> Fri, 02 December 2022 01:55 UTC

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From: Martin Duke <martin.h.duke@gmail.com>
Date: Thu, 01 Dec 2022 17:55:00 -0800
Message-ID: <CAM4esxQ4YwGvKZmoKA95_+7XaJaFXrFsnABz9ezvdgLQzYEgug@mail.gmail.com>
Subject: Re: QUIC v2 and Version Negotiation Needs Your Deployment Feedback
To: Martin Thomson <mt@lowentropy.net>
Cc: IETF QUIC WG <quic@ietf.org>
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I got a little grief in the sec AD review about not using a KDF for all the
random values, so I might as well do that.

On Thu, Dec 1, 2022, 17:23 Martin Thomson <mt@lowentropy.net> wrote:

> On Fri, Dec 2, 2022, at 03:41, Martin Duke wrote:
> > Relatedly, if I roll a new QUIC version field, should I also rev the
> > salt, retry key, and so on?
>
> I'd say that is up to you.  Though some people are concerned about
> crashes, it's another opportunity to break ossification.  I give neither
> position any particular weight.
>
>

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