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

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Date: Fri, 20 May 2011 02:39:28 +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 Fri, May 20, 2011 at 12:06:01AM +0200, magnum wrote:
> On 2011-05-19 16:30, Jonathan Busby wrote:
> >I think I need to re-phrase my original question though. I'm actually
> >trying to build a version of John 1.7.7 that
> >operates in incremental mode and tests password of *9* *through* 15
> >using the whole printable ASCII character subset ( .ie codes 32-127 ).
> >I do not intend to test passwords whose lengths are shorter than 9 
> >characters.
> 
> The bad news is you simply can't do this until Solar implements an 128 
> bit Incremental mode.

Re-working incremental mode is currently tentatively planned for 1.7.9
(not 1.7.8, which is going to be another "stable" release with certain
other changes in it).

> The good news is you should try the Markov mode instead. It's just what 
> you need. Read doc/MARKOV for a starter.

Right.  The current approach is to use other cracking modes, including
Markov, DumbForce, KnownForce, wordlist (with or without rules), single.

Alexander