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Re: [TLS] Working Group Last Call for draft-ietf-tls-downgrade-scsv-00

Daniel Kahn Gillmor <dkg@fifthhorseman.net> Thu, 16 October 2014 14:19 UTC

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Date: Thu, 16 Oct 2014 10:19:21 -0400
From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
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Subject: Re: [TLS] Working Group Last Call for draft-ietf-tls-downgrade-scsv-00
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On 10/15/2014 04:42 PM, Brian Smith wrote:
> If TLS 1.3 is still planning to use the version negotiation mechanism
> to negotiate TLS 1.3, then that's a defect in TLS 1.3, for this
> reason. That defect should be addressed so that the downgrade SCSV
> will be a non-issue for TLS 1.3.

Sorry, can you clarify what you mean by this?

What mechanism *should* peers use to negotiate TLS 1.3 if not the
standard TLS version negotiation mechanism?

How should we address this in TLS 1.3?

	--dkg

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