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Date: Thu, 19 May 2011 03:47:31 +0400
From: Solar Designer <solar@...nwall.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 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

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