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Re: [TLS] Early code point assignment for draft-ietf-tls-curve25519-01

Ilari Liusvaara <ilariliusvaara@welho.com> Mon, 11 January 2016 08:30 UTC

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Date: Mon, 11 Jan 2016 10:30:23 +0200
From: Ilari Liusvaara <ilariliusvaara@welho.com>
To: Watson Ladd <watsonbladd@gmail.com>
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Subject: Re: [TLS] Early code point assignment for draft-ietf-tls-curve25519-01
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On Mon, Jan 11, 2016 at 12:12:47AM -0800, Watson Ladd wrote:
> On Mon, Jan 11, 2016 at 12:03 AM, Ilari Liusvaara
> >
> > I don't think this is signficant. If you want protection from THS that
> > actually works, you require EMS anyway (or ensure THS is of no
> > consequence at application layer), not try to do TLS configuration
> > "workarounds" (that don't actually work).
> 
> Are you saying that a Suite B only deployment of TLS which does point
> validation is THS vulnerable?

If both ends are Suite B only, highly unlikely... However, things get
more exciting (as in "exciting crypto") if one end is and the other
isn't...

(Suite B isn't special here, there are other possible profiles
with similar properties).


-Ilari

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