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Date: Mon, 2 Apr 2012 21:04:52 +0530
From: Dhiru Kholia <>
Subject: Cracking Office 2007 files with JtR!


I have just committed a rough (it is in heavy debugging stage) patch
to crack Office 2007 documents with JtR. OMP support is TODO along
with many other things like, a function is in-complete and code is not
Big-Endian safe.


1. make office2john
2. run office2john on Office 2007 files
3. Run JtR on output of office2john

Performance on Atom(TM) CPU N270,

$ ../run/john -format=office -t
Benchmarking: Office [32/32]... DONE
Raw:    30.3 c/s real, 30.3 c/s virtual
(Slightly better than RAR's performance).

This patch is based on information and code publishes at

NOTE to the GPU guys on the list: This is what you have been waiting
for to implement on GPU ;)


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