Re: [TLS] Using Brainpool curves in TLS

Nico Williams <nico@cryptonector.com> Wed, 16 October 2013 02:25 UTC

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Date: Tue, 15 Oct 2013 21:25:07 -0500
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From: Nico Williams <nico@cryptonector.com>
To: Watson Ladd <watsonbladd@gmail.com>
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Cc: Patrick Pelletier <code@funwithsoftware.org>, "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] Using Brainpool curves in TLS
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On Tue, Oct 15, 2013 at 8:40 PM, Watson Ladd <watsonbladd@gmail.com>; wrote:
> Note Bena: Being safe against side channels is a property of the
> implementation, not the curve.
> DJB's implementations are constant time, and the curves have
> properties that make it easier to be constant time,

That's what I was referring to, yes.

> but it is trivial to introduce backdoors into implementations of them.

Do you mean that it's easier to backdoor implementations of specific
EC curves than, say, RSA?  I would think that implementations of...
just about anything can be backdoored with relative ease.

Nico
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