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

Martin Thomson <martin.thomson@gmail.com> Mon, 11 December 2017 14:50 UTC

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From: Martin Thomson <martin.thomson@gmail.com>
Date: Mon, 11 Dec 2017 08:50:17 -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 12:09 AM, Ilari Liusvaara
<ilariliusvaara@welho.com> wrote:
> Transforming messages before putting them in transcript? That sounds
> like recipe for some very nasty implementation headaches.
>
> AFAIK, nothing else in TLS does this. TLS 1.3 has reset hash and inject
> synthetic message, but that is a lot easier than actual message
> transformation.

My understanding is that this is what is proposed.  FWIW, it's not
that awful for us to implement in NSS.

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