Re: [Cfrg] When's the decision?

"Paterson, Kenny" <> Thu, 16 October 2014 16:35 UTC

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From: "Paterson, Kenny" <>
To: "Parkinson, Sean" <>, "" <>
Thread-Topic: [Cfrg] When's the decision?
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Subject: Re: [Cfrg] When's the decision?
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Are you planning to bring additional information on the issues that you
refer to below to the list?

Your additional input would be most welcome of course, but without
concrete details, it's difficult to factor your initial comments below
into our deliberations.



On 08/10/2014 23:51, "Parkinson, Sean" <> wrote:

>I have concerns about a decision being made about which curves to
>recommend 'before Halloween'.
>I am unaware of 3rd parties implementing and confirming all the curves
>that have been proposed.
>Making a decision on new elliptic curves based on data that hasn't been
>corroborated by a 3rd party is bad practice.
>I have been implementing as many of the curves as I can and my
>performance results, so far, do not always match those that I have seen
>in papers.
>Also, I am concerned that, while some curves are being implemented to be
>constant time, not all curves are being implemented to be cache attack
>resistant. Either all implementations need to be resistant or all
>implementations not. Only then can a true comparison be made.
>Until these issues are dealt with I feel there is not sufficient
>information to make a decision.
>Sean Parkinson | Consultant Software Engineer | RSA, The Security
>Division of EMC
>Office +61 7 3032 5232 | Fax +61 7 3032 5299
>Cfrg mailing list