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Date: Thu, 18 Aug 2011 10:06:03 -0500
From: Richard Miles <>
Subject: Re: John with Radeon graphical card supports?


Sorry for delay in reply.

You guys really do a great job, congratulations. I see this as very
promising area, at the moment the graphical cards are still a bit
expensive to me. Maybe during next months they get cheaper and also
the support get all algorithms that we have today for normal john, for
sure this will be a great point on the history of John The Ripper.

If you allow me I want to do 2 suggestions for you consider on this development:

- If doesn't exist, add support for multiple cards on the same
computer, for example, someone with 2 graphical cards could have an
enormous benefits instead of just one.

- Consider add support for WPA/WPA2 handshake. While there is other
tools for this task they are not fast and powerful (such as rules
option) as John.


On Mon, Aug 8, 2011 at 8:32 AM, Lukas Odzioba <> wrote:
> 2011/8/8 Solar Designer <>:
>> The
>> wiki page also mentions OpenCL
>> support for SHA256-crypt, but somehow I don't see this patch on the
>> wiki.  Lukas?
> Fixed. However there might be build problems on ATI's cards. Samuele
> sent a fix for that on john-dev but it is colliding which build for
> nvidia's.
> Meaby I should do separate targets. I'll try to sort that out today.
> Lukas

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