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Date: Fri, 17 Dec 2010 08:52:26 +0300
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: several problems with JtR + jumbo 9 and/or omp-des-7
On Thu, Dec 16, 2010 at 07:48:55PM +0100, bartavelle wrote:
> 1/ NT support for x64 in 1.7.6-jumbo9 does not work properly :
I can't reproduce this. It works fine for me, cracking all 3107 hashes
in my test file. That's with a pure wordlist, no rules, though. Maybe
there's a bug in the wordlist buffering introduced in the jumbo patches?
A bug that is easily seen only in conjunction with rules and with a tiny
wordlist? This code looked unreliable to me...
> It seems that only passwords stored with set_key(xxx, 1-8) work.
This doesn't match the results of my testing above.
> This was tested with gcc 4.4.3 and ICC.
gcc 4.5.0 here.
> 2/ the nice value is only effective for the first thread with openmp,
> but I'm sure this is already known ...
Yes, already known. Thanks for the reminder. I think I'll have to
simply have the Idle setting ignored in OpenMP builds when there's more
than one thread. Any other ideas?
> 3/ I ran into random problems with ctrl-C + restore, where the .rec file
> was flock'ed. This only happened with openmp enhanced ciphers.
This is news to me. Was NFS involved?
> I did not investigate any of these problems, so this is merely a bug
> report with no proposed fix, and perhaps not much detail. I'll try to
> investigate the NT problem when I will have more free time.
Thank you!
Alexander
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