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Date: Sat, 26 Jan 2013 02:29:57 -0500
From: Brian Wallace <>
Subject: Re: Proposed optimizations to pwsafe

I have some working improvements to pwsafe-cuda.  I don't have the most
powerful GPU, but the improvement so far is as follows:

Benchmarking: Password Safe SHA-256 [CUDA]... DONE
Raw:    51801 c/s real, 51801 c/s virtual

Benchmarking: Password Safe SHA-256 [CUDA]... DONE
Raw:    70593 c/s real, 70593 c/s virtual

I do see some other improvements I can make though.

On Fri, Jan 25, 2013 at 8:05 PM, Solar Designer <> wrote:

> On Fri, Jan 25, 2013 at 05:55:38AM +0100, Lukas Odzioba wrote:
> > 2013/1/21 Solar Designer <>:
> > > hashcat's is better, too (354k vs. 501k).  Lukas?
> >
> > I have an idea what's need to be done to improve this and some others
> > sha256 formats.
> > The problem is that I will not have time for that in the next 3 weeks
> > because of exams.
> > I planned for this weekend some other minor/trivial changes that I
> > think we need before jumbo release, but that's all what I can do at
> > the moment.
> > I added this task next to gpu pbkdf2-sha512 to my todo list.
> Sounds fine.  Meanwhile:
> <gat3way> OK I am in the pwsafe game too. @hashcat you beat me by several
> K c/s :)
> Alexander

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