Re: [TLS] I-D Action: draft-ietf-tls-certificate-compression-01.txt

Martin Thomson <martin.thomson@gmail.com> Mon, 11 December 2017 15:09 UTC

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From: Martin Thomson <martin.thomson@gmail.com>
Date: Mon, 11 Dec 2017 09:09:16 -0600
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To: Ilari Liusvaara <ilariliusvaara@welho.com>
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Subject: Re: [TLS] I-D Action: draft-ietf-tls-certificate-compression-01.txt
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On Mon, Dec 11, 2017 at 9:00 AM, Ilari Liusvaara
<ilariliusvaara@welho.com>; wrote:
> I searched the drafts (both -00 and -01). I find absolutely nothing
> to suggest this extension would play any games with the handshake
> hash. And considering that extension playing such games is AFAIK
> unprecidented, that would warrant rather big warnings.

Ahh, I read too much into this:

   After decompression, the Certificate message MUST be processed as if
   it were encoded without being compressed.