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Date: Mon, 2 Aug 2010 02:21:49 +0400
From: Solar Designer <>
Subject: KnownForce to try dates and times


Attached is a variation of KnownForce configured to try likely date and
time strings.  Note that this is configurable for lengths 4, 5, 7, and 8
(it is set to 8 by default).

Also note that only a portion of init() is different from the KnownForce
sample in john.conf supplied with JtR; generate() and restore() have
remained exactly the same.  I am pointing this out as it might help you
learn how to customize KnownForce for your needs.

This did not help in the contest (which only used dates with month names
in them, not numeric dates), yet it is more successful on real-world
passwords (and that's what we should really care about, right?) and it
is a good example of modifying KnownForce.



View attachment "datetime" of type "text/plain" (2043 bytes)

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