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Date: Mon, 27 Jun 2011 23:44:06 +0400
From: Solar Designer <solar@...nwall.com>
To: crypt-dev@...ts.openwall.com
Subject: Re: EskBlowFish with RAM results
Hi Yuri,
On Mon, Jun 27, 2011 at 04:04:48PM -0300, Yuri Gonzaga wrote:
> I did some improvements in HDL coding, which reduced the FPGA resource
> usage.
>
> - Slice registers: from 2503 to 1145;
> - Slice LUTs: from 8576 to 2649;
> - Occupied slices: from 2948 to 809.
>
> This comparasion was done between the new version (eksblowfish-loop-2) and
> the previous one (eksblowfish-loop).
This is good improvement. Still not quite enough, though.
Overall, those much worse than expected LUT counts for Eksblowfish and
especially for bflike suggest that we could consider DES more seriously.
> One more RAM block was inferred by the synthesizer to implement one of my
> control registers. So, the total of RAM blocks is 3, 2 of RAMB16BWER and 1
> of RAMB8BWER.
>
> The new code and the detailed report was uploaded to
> http://openwall.info/wiki/crypt-dev/files
I'll take a look.
Thanks,
Alexander
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