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Date: Mon, 21 Jan 2019 13:38:46 +0100
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: Question about GPU attack modes
On Tue, Jan 08, 2019 at 08:26:17PM +0100, Lukas Odzioba wrote:
> We had some improvements to the mask mode to generate candidates on a
> gpu, but I am not sure about its current state.
JtR is able to use mask mode, optionally along with most other modes,
and for most (all? I'm not sure either) fast hashes it will do the mask
portion on GPU (eliminating the host & PCIe bottleneck). So that's the
way to go for fast hashes.
For example, you can do things like this:
-inc=lower -min-len=8 -max-len=8 -mask='?w?l?l?l?l'
Alexander
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