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Message-ID: <20070323005054.GA22575@openwall.com>
Date: Fri, 23 Mar 2007 03:50:54 +0300
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: PVM or MPI?
On Thu, Mar 22, 2007 at 11:41:46AM -0500, RB wrote:
> Not being in the HPC crowd, I personally can't see much of a
> difference - they're two implementations of one parallelization
> paradigm: thread concurrency on heterogeneous machines.
Correct. (Disclaimer: I am also not in the HPC crowd.)
> There [was]
> an MPI implementation of John during the 1.6.x days, and it worked
> okay - I used it to some success on an 8-way P-III machine. Looking
> around, it seems they've updated it:
> http://www.bindshell.net/tools/johntheripper.
There are several MPI hacks for John the Ripper. I have 5 of them here:
ftp://ftp.openwall.com/pub/projects/john/contrib/mpi/
PVM was also mentioned on some occasions, but somehow noone has used it
for John the Ripper (as far as I'm aware).
I don't think either MPI or PVM should be used for an implementation
that would be usable in practice - to actually audit password hashes
rather than just demonstrate the concept in a university environment.
This has been discussed on this mailing list before.
--
Alexander Peslyak <solar at openwall.com>
GPG key ID: 5B341F15 fp: B3FB 63F4 D7A3 BCCC 6F6E FC55 A2FC 027C 5B34 1F15
http://www.openwall.com - bringing security into open computing environments
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