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Re: [Cfrg] revised requirements for new curves

Markulf Kohlweiss <markulf@microsoft.com> Sun, 14 September 2014 11:03 UTC

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From: Markulf Kohlweiss <markulf@microsoft.com>
To: Phillip Hallam-Baker <phill@hallambaker.com>, "Paterson, Kenny" <Kenny.Paterson@rhul.ac.uk>
Thread-Topic: [Cfrg] revised requirements for new curves
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Date: Sun, 14 Sep 2014 11:02:37 +0000
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References: <D0333B6F.2C8CF%kenny.paterson@rhul.ac.uk>, <CAMm+Lwi9rgAQNGW1k3TW52syexFUBOL1O48GizmLpcARrhBhgg@mail.gmail.com>
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Cc: "cfrg@irtf.org" <cfrg@irtf.org>
Subject: Re: [Cfrg] revised requirements for new curves
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All of them are only "until someone develops quantum computers" security level anyway.
________________________________
From: Phillip Hallam-Baker<mailto:phill@hallambaker.com>
Sent: ‎08/‎09/‎2014 15:43
To: Paterson, Kenny<mailto:Kenny.Paterson@rhul.ac.uk>
Cc: cfrg@irtf.org<mailto:cfrg@irtf.org>
Subject: Re: [Cfrg] revised requirements for new curves

I didn't see consensus that we needed 192 bit curves.

These seem superfluous to me If I want speed then I will go to 128
bits. If I want high assurance I will go to 256. 192 is neither fish
nor fowl.

In a perfect world folk can make fine tuned choices between speed and
security but I only have two security levels: paranoid and till the
sun goes supernova secure level paranoid.

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