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Date: Wed, 6 May 2015 00:45:13 +0200
From: Thomas Pornin <>
Subject: Re: [PHC] Argon2

On Wed, May 06, 2015 at 10:37:04AM +1200, Peter Gutmann wrote:
> One current unknown is that the split for "allow tweaks" is just "now"
> and "not now", we don't know whether the designers of the leading
> candidates can get tweaks in in a few weeks or a few months.  Would it
> help to have a time estimate by the various people involved for how
> long it'd take to get the tweaks ready?

For what it's worth, and (perhaps unwisely) presuming that Makwa is still
one of the "leading candidates", I hereby declare that I do not intend to
publish any tweak to Makwa in the near or far future.

I am working on an OpenCL implementation, though, in order to get some
actual data on GPU speed when it comes to doing lots of modular
squarings. I hope to have some figures within a fortnight or so.

	--Thomas Pornin

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