Multiforcer 1.3 Bug

Discussion and support for the CUDA Multiforcers (Windows and Linux)
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Multiforcer 1.3 Bug

Postby Picch » Tue Feb 07, 2012 8:39 am

I discovered a bug with the multiforcer and how it counts the total number of hashes. As you can see it has cracked more than the total number. I was attempting to crack LM hashes.
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Re: Multiforcer 1.3 Bug

Postby Bitweasil » Tue Feb 07, 2012 8:27 pm

Yeah. I've noticed that.

I'm pretty sure I have an idea as to why, and will be fixing it in future versions. There's a bug with adding cracked passwords that will count some multiple times if they're found multiple times (there's some slight threading overlap to ensure coverage).
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Re: Multiforcer 1.3 Bug

Postby Bitweasil » Fri Mar 02, 2012 3:17 pm

Fix for this is committed in the MFN code, and I may get around to backporting it to the current version with a few other tweaks.

Instead of adding each time a password is found, it just queries the hashfile class for cracked/uncracked count. With some duplicate chunks, I think LM shows this worse than other hash types.
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Re: Multiforcer 1.3 Bug

Postby Picch » Mon Mar 05, 2012 10:46 pm

Awesome. I was trolling the SVN commit messages yesterday, looks like lots of good stuff.
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Re: Multiforcer 1.3 Bug

Postby Bitweasil » Tue Mar 06, 2012 3:19 am

Picch wrote:Awesome. I was trolling the SVN commit messages yesterday, looks like lots of good stuff.


:) Yep.

Just got my OpenCL BFI_INT patching working...
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