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Date: Tue, 23 Sep 2014 14:24:10 -0500
From: Richard Miles <>
Subject: Re: Is there any high-speed beta code for nt-opencl,
 netntlmv2-opencel and mssql05-opencl?

thanks for answer.

By masking + wordlist do you mean the same masking mode used by hashcat?
What about the tradicional and good rules mode from john? :)

So, is this one ( which
supports generation on GPU? For netntlmv2 is it supported as well?

LOL, it may be weird, but just to keep compatibility with the old legacy,
why not rename the ntlmv2-opencl to netntlmv2-opencl?

Just for curious, why not? I mean, the speed that my computer is able to
read the wordlist file is much faster in comparison with my GPU and
wordlist with rules on, why it's not worth?

Thanks and sorry if I misunderstood some points.

On Tue, Sep 23, 2014 at 1:12 PM, magnum <> wrote:

> On 2014-09-23 19:51, Richard Miles wrote:
>> I love john the ripper rules and in my opinion they are better in
>> comparison with hashcat rules, and I would like to take benefit from my
>> GPU
>> card (opencl), however I noticied that the speed of nt-opencl is the same
>> of one single processor of my box, which is pretty slow. Also, I was
>> unable
>> to find opencl modes for netntlmv2 and mssql05 algorithm. Is there any
>> working in progress? Or any beta code that I could try?
> Some would call everything in my GitHub repo beta...
> The "bleeding-mask" branch currently lags behind bleeding-jumbo but it has
> candidate generation on GPU for some fast formats (including NT), although
> only when using mask mode. I think it supports some combination of wordlist
> + mask though. Sayantan just picked up where he left so hopefully it will
> evolve soon!
> We do have a GPU version of "NETNTLMv2", but it's called ntlmv2-opencl
> just to confuse people ;-) ...or rather because I never quite understood
> the reasoning behind prefixing it with "NET".
> Anyway it's slower than Hashcat but on the other hand it fully supports
> Unicode as opposed to the tiny ISO-8859-1 subset Hashcat and others support.
> MSSQL05 and others will be implemented as soon as that mask mode branch
> has merged to our main branch. There's no point in implementing more fast
> formats before that.
> magnum

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