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Date: Thu, 18 Aug 2011 13:15:29 -0500
From: "jfoug" <>
To: <>
Subject: RE: pkzip encr

The hash for (on the wiki page) is bad.  I am working on
getting zip2john updated to work properly and build the formats, and I found
that I entered the wrong checksum value.  Thus, it would never find the
correct password.

I would recommend that for now, people simply do not try to put the pkzip
stuff in yet.  I hope to have things working properly, and have a 'proper'
patch, including zip2john changes soon.


>From: jfoug []
>I have posted the 3 files as I have them right now.  NOTE this is truly
>bleeding edge.  It is not completed.
>Put the .c and .h into src.  Modify makefile if needed, to add -lz to
>the LDFLAGS.  I have also included a hand created 'test' file, that is
>made up of the challenge .zip files.  It will false positive on
>challenge4 (until we 'know' the password).  But it will certainly
>find the password, if john is 'presented' with the proper one.

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