Re: [TLS] Confirming consensus: TLS1.3->TLS*

Peter Gutmann <pgut001@cs.auckland.ac.nz> Sat, 19 November 2016 11:56 UTC

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From: Peter Gutmann <pgut001@cs.auckland.ac.nz>
To: Ilari Liusvaara <ilariliusvaara@welho.com>
Thread-Topic: [TLS] Confirming consensus: TLS1.3->TLS*
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Date: Sat, 19 Nov 2016 11:56:11 +0000
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References: <CF83FAD0-B337-4F9E-A80B-2BAA6826BF41@sn3rd.com> <20161118121909.GA28464@LK-Perkele-V2.elisa-laajakaista.fi> <1479474222033.25911@cs.auckland.ac.nz> <20161118154043.GA28666@LK-Perkele-V2.elisa-laajakaista.fi> <1479523253827.80996@cs.auckland.ac.nz>, <20161119062725.GA30600@LK-Perkele-V2.elisa-laajakaista.fi>
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Subject: Re: [TLS] Confirming consensus: TLS1.3->TLS*
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Ilari Liusvaara <ilariliusvaara@welho.com>; writes:

>Nope, I was referring to the very technical property that if client sends a
>TLS 1.3 handshake, a TLS 1.2 server can still successfully interop, provoded
>that the client does TLS 1.2 too

That's like saying that PGP and S/MIME are compatible because if a client
sends a PGP message, a MIME-enabled server can still successfully interop
provided the S/MIME server does PGP too.

Anyway, it's a silly debate (as my Wozniak joke tried to point out), so I'll bow 
out now.

Peter.