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Date: Sat, 6 Mar 2010 10:29:43 -0700
From: Stephen John Smoogen <smooge@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: JTR with only characters a-z / 0-9
On Fri, Mar 5, 2010 at 11:55 PM, websiteaccess@...il.com
<websiteaccess@...il.com> wrote:
> Hi
>
> I change in JTr source :
>
> before :
> #define CHARSET_MIN ' '
> #define CHARSET_MAX 0x7E
>
> after :
> #define CHARSET_MIN 0x30
> #define CHARSET_MAX 0x7A
>
>
> 0x30 -> 0x7A = 0-9 + symbols + A-Z + a-z
>
> I just want use a-z and 0-9, can I exclude all others symbol except
> a-z / 0-9 ? and to do ?
> for example : I want crack only passwods that contains a-z and/or 0-9
> thanks,
You don't need to change the source to do that unless you want to make
the passwords longer than 8 characters.
>From the EXAMPLES file:
If your "pot file" got large enough (or if you don't have any charset
files at all), you might want to use it to generate a new set of main
charset files:
john --make-charset=all.chr
john --make-charset=alnum.chr --external=filter_alnum
john --make-charset=alpha.chr --external=filter_alpha
john --make-charset=digits.chr --external=filter_digits
john --make-charset=lanman.chr --external=filter_lanman
To use the alnum.chr (Solar has built one off of his dictionary set
already) you can use it as
john --incremental:Alnum [other flags go here :)] passwd
Hope this helps
Stephen
> W.A.
>
>
>
--
Stephen J Smoogen.
Ah, but a man's reach should exceed his grasp. Or what's a heaven for?
-- Robert Browning
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