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Date: Mon, 8 Aug 2011 04:43:00 +0200
From: Lukas Odzioba <>
Subject: Re: John with Radeon graphical card supports?

2011/8/7 Richard Miles <>:
> Hi,
> I'm interested in buy 2 or 3 of the cheap Radeon graphical cards to
> speed up my brute force password cracking. I love john the ripper, so
> I want to use it. There is a way to make john the ripper works with
> this graphical cards? Even with 2 or 3 at the same time? Maybe a third
> party patch?
> Any help is welcome.
> Thanks.

Yes, there are OpenCL patches for john but only for a few formats.
I'am not sure about multigpu support right now, but always you could
run three john's for different attacks.

Here's the list of supported formats.


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