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Date: Sun, 28 Jul 2013 22:53:37 +0400
From: Solar Designer <>
Subject: Re: mask mode issues

Lukas, Sayantan -

On Sun, Jul 28, 2013 at 03:47:09AM +0200, Lukas Odzioba wrote:
> 2013/7/27 Solar Designer <>:
> > On Sat, Jul 27, 2013 at 11:58:53AM +0200, Lukas Odzioba wrote:
> >> ukasz@...l:$ ./john -mask='?a?a?a' crackme -format=raw-md5-opencl
> >
> > What's wrong with this mask?  Why did you call it "invalid"?
> I thought that '?' can be combined with l,u,d only.
> It would be nice to have some doc draft before cmiyc.
> As far as I know john's mode is not fully compatibile with hashcat's.
> Correct me if I am wrong.

I guess that you're right - ?a is not implemented in Sayantan's tree
yet.  However, our masks, unlike InsidePro's and hashcat's, also support
regexp-like syntax that we use in the rule preprocessor.  So e.g.
"[aeiou]" as part of a mask should work.  Lukas - you may include
something like this in your testing of Sayantan's code.


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