john-users - Re: Custom 15 character incremental build of John 1.7.7 crashes when attempting to regenerate charsets

Openwall wordlists collection for password cracking (20+ languages)

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Date: Wed, 18 May 2011 21:38:04 -0500
From: Jonathan Busby <jonathanbusby@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Custom 15 character incremental build of John 1.7.7
 crashes when attempting to regenerate charsets

On Wed, May 18, 2011 at 6:47 PM, Solar Designer <solar@...nwall.com> wrote:
> On Wed, May 18, 2011 at 05:31:03PM -0500, Jonathan Busby wrote:
>> Specifically, CHARSET_SIZE = 15, CHARSET_LENGTH = 16 and CHARSET_SCALE = 2.
>
> My guess is that you literally set CHARSET_SIZE to 15, whereas you were
> supposed to adjust CHARSET_MIN and CHARSET_MAX such that CHARSET_SIZE
> would be small enough.  This gives some examples:
>
> http://www.openwall.com/lists/john-users/2007/07/04/6
>
> It is linked from:
>
> http://openwall.info/wiki/john/usage-examples
>
> This works for me:
>
> #define CHARSET_MIN                     '0'
> #define CHARSET_MAX                     '9'
> #define CHARSET_SIZE                    (CHARSET_MAX - CHARSET_MIN + 1)
> #define CHARSET_LENGTH                  16
> #define CHARSET_SCALE                   0x100
>
> (only MIN, MAX, and LENGTH are changed from the defaults).
>
> I hope this helps.
>
> Alexander
>

Thank you for your help. :) It compiled without issue but now I'm
having another problem generating the charset files.

Specifically, my john.pot is composed nohash:password pairs which I
constructed from all.chr and the Openwall wordlist collection ( just
recently bought ). In this case I used the huge mangled.lst file from
the iso image.

When I run ./john --make-charset=new.chr I get this error :

Loaded 0 plaintexts, exiting...


I am at a loss as to what the problem is.


Jonathan