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Message-ID: <12ae502efe493ae839ca5662e957988c@smtp.hushmail.com>
Date: Sun, 9 Dec 2012 23:21:37 +0100
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: bitslice DES on GPU
On 9 Dec, 2012, at 23:09 , Alain Espinosa <alainesp@...il.com> wrote:
> I do not understand THIS need to patch GPU binaries (AMD right?). In
> OpenCL you can dynamically generate the code (taking into account the
> salts actually used) and then dynamically compile the source. I am
> missing something?
It's due to John's current layout - only one salt at a time is active. The time spent in set_salt() would be a disaster if it has to recompile the kernel.
magnum
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