Re: [TLS] New Version Notification for draft-kampanakis-tls-scas-latest-00.txt (ICA Supression)

Martin Thomson <mt@lowentropy.net> Wed, 16 February 2022 22:46 UTC

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Date: Thu, 17 Feb 2022 09:45:31 +1100
From: Martin Thomson <mt@lowentropy.net>
To: tls@ietf.org
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Subject: Re: [TLS] New Version Notification for draft-kampanakis-tls-scas-latest-00.txt (ICA Supression)
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On Wed, Feb 16, 2022, at 22:26, Ilari Liusvaara wrote:
> I think the language in tlsflags about acknowledging extensions is
> confusing. Tlsflags behavior should be similar to extensions, which do
> not have acknowledgment requirement in base TLS (any acknowledgement
> requirement is per extension). So I think any acknowledgement
> requirement should be explicitly stated normatively.

I agree with Ilari here.  We shouldn't need to acknowledge this extension.  And, as far as I can tell, the flags draft doesn't require it (though I admit that the text there on binary AND is confusing).