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Message-ID: <20130726232329.GB25148@openwall.com>
Date: Sat, 27 Jul 2013 03:23:29 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: Parallella: bcrypt
Hi Katja,
On Sat, Jul 27, 2013 at 01:00:42AM +0200, Katja Malvoni wrote:
> I implemented interleaving two bcrpyt instances in C (calls to BF_encrypt
> outside of main loop use optimized BF_2ROUND). I'm getting 947 c/s. Plan
> for tomorrow is to optimize interleaving in assembly.
Cool. This is higher than what you got for plain C code before, right?
BTW, you may implement the preload of two P's into 36 registers at C
level (well, unless the compiler is somehow too shy to use this many
registers for local variables), even before starting with assembly.
> Code: https://github.com/kmalvoni/JohnTheRipper/tree/master/
(I haven't looked yet.)
Alexander
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