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Re: [Cfrg] Elliptic Curves - poll on security levels (ends on February 17th)

Andy Lutomirski <luto@amacapital.net> Tue, 10 February 2015 20:23 UTC

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From: Andy Lutomirski <luto@amacapital.net>
Date: Tue, 10 Feb 2015 12:23:35 -0800
Message-ID: <CALCETrXnbm6LQaYrPmgpp8i0Rt=CsCaPUgQq87ZfW9hDEGzshA@mail.gmail.com>
To: Alexey Melnikov <alexey.melnikov@isode.com>
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Subject: Re: [Cfrg] Elliptic Curves - poll on security levels (ends on February 17th)
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On Tue, Feb 10, 2015 at 2:52 AM, Alexey Melnikov
<alexey.melnikov@isode.com> wrote:
> CFRG chairs are starting a poll, containing 2 initial questions:
>
> Q1: Should CFRG recommend a curve at the 192-bit security level?

No

>
> Q2: Should CFRG recommend a curve at the 256-bit security level?

No

IMO CFRG should generate a curve with WF ~ 2^128 ASAP and should
subsequently generate *one* good paranoid curve.  If that curve ends
up having security level at or near 192 or 256 bits, then that's fine.

--Andy

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