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Date: Thu, 16 Aug 2012 16:28:14 +0200
From: Simon Marechal <simon@...quise.net>
To: john-users@...ts.openwall.com
Subject: Re: Learn from 'Crack Me If You Can 2012'.
On 16/08/2012 16:19, Solar Designer wrote:
> 1. Custom incremental mode's .chr file containing 27 characters:
> lowercase letters and space. Here's the filter that was used to
> generate it:
[...]
> Of course, CHARSET_LENGTH was increased.
>
> 2. Lists of common English words and common passwords combined with
> mix.pl (attached to this message).
>
> 3. We also extracted likely passphrases from contest-specific texts and
> generated them from previously-cracked contest-specific words/phrases.
I also used a statistical generator, just like the markov mode in JtR,
but that works on words instead of characters. This was not terribly
effective, and I can't really state how good it would fare against real
world passphrases, as they are not so common ...
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