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Date: Thu, 16 Jun 2011 16:35:38 -0700
From: Dhiru Kholia <>
Subject: zip cracker patch [first cut for GSoC]

Usage Instructions:

Apply the patch on top of john-1.7.7-jumbo-6. Run zip2john tool on AES
protected zip files.
Run john on zip2john's output. Please note that this is a very early release.

I couldn't get
to work on a 64-bit machine.
*** So this patch currently works only on 32-bit machines. ***

Steps to reproduce the bug on a 64-bit machine:

$ gcc -DTEST gladman_*.c; ./a.out # results in "key is bad" messages.


Over the next 2 weeks, I will integrate FCrackZip and try to fix the 64-bit bug.


Download attachment "john-1.7.7-jumbo-6-zip-0.diff.gz" of type "application/x-gzip" (11828 bytes)

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