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Message-ID: <20150814131359.GI25121@openwall.com>
Date: Fri, 14 Aug 2015 16:13:59 +0300
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: PHC: makwa
On Thu, Aug 13, 2015 at 09:48:32PM +0200, Lukas Odzioba wrote:
> 2015-08-13 21:42 GMT+02:00 Agnieszka Bielec <bielecagnieszka8@...il.com>:
> > I implemented basic version of makwa on CPU (although this is a messy
> > version so far)
> > and have questions
> > PHS calls makwa_hash with pre_hash=1, should I also support pre_hash=0
> > and support both sha256 and 512 ? in PHS is makwa_init() with
> > hard-coded parameters, support also another parameters?
>
> To make it complete I guess we should support all cases, solar please
> correct me if I am wrong.
> The question is whether it is feasible to make 2 versions for each sha
> function or to "multiplex" them in one format selected by hash
> encoding. Personally I would go or the latter.
Yes, it should be one format. I think Makwa's use of SHA-256 or -512
isn't performance-critical, so it shouldn't significantly affect
benchmarks.
Alexander
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