[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20150425213342.GA23238@openwall.com>
Date: Sun, 26 Apr 2015 00:33:42 +0300
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: [GSoC] John the Ripper support for PHC finalists
On Sun, Apr 26, 2015 at 12:31:49AM +0300, Solar Designer wrote:
> On Sat, Apr 25, 2015 at 10:28:31PM +0200, Agnieszka Bielec wrote:
> > 2015-04-25 21:20 GMT+02:00 Solar Designer <solar@...nwall.com>:
> > > "4 GPU units" sounded weird and confusing to me.
> > > If you put a hash of a known password in a text file, and put the
> > > password somewhere down a wordlist, and run "john" with pomelo-opencl
> > > against that, will it crack the hash?
> >
> > It works
>
> Can you explain how/why it works? I am probably missing something.
> I would expect it to fail most of the time.
Oh, maybe it happens to work precisely because those 4 work-items tend
to be part of the same SIMD vector in hardware, so with current OpenCL
drivers they happen to be "guaranteed" to be ready at the same time?
Alexander
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
