Re: [TLS] [ECH] Reverting the config ID change

Christopher Wood <caw@heapingbits.net> Tue, 16 February 2021 13:43 UTC

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Date: Tue, 16 Feb 2021 05:43:32 -0800
From: "Christopher Wood" <caw@heapingbits.net>
To: "TLS@ietf.org" <tls@ietf.org>
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Subject: Re: [TLS] [ECH] Reverting the config ID change
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On the heels of this change, here's another PR that I'd folks to weigh in on:

   https://github.com/tlswg/draft-ietf-tls-esni/pull/381

Thanks,
Chris

On Mon, Feb 8, 2021, at 2:29 PM, Christopher Wood wrote:
> We previously had a server-selected label for the ECHConfig, but that 
> has since been replaced with a client-computed identifier. There are a 
> couple of problems with this change in practice (see [1]), so the 
> following PR proposes reverting back to the old behavior: 
> 
>    https://github.com/tlswg/draft-ietf-tls-esni/pull/376
> 
> There is a separate issue [2] regarding the length of this identifier, 
> but we can address that separately.
> 
> Please have a look at the PR and provide feedback. We'd like to merge 
> this soon. 
> 
> Thanks,
> Chris
> 
> [1] https://github.com/tlswg/draft-ietf-tls-esni/issues/375
> [2] https://github.com/tlswg/draft-ietf-tls-esni/issues/379
> 
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