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Message-ID: <20131214180823.GA23325@lonestar>
Date: Sat, 14 Dec 2013 23:38:23 +0530
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Crash in 7z2john.py

On 12/13/13 at 11:17pm, Carsten Fuchs wrote:
> I'm new to JtR, and started to familiarize myself with it in order to
> find the passwords of a 7z archive.
>
> ...
>
> However, I have trouble with the 7z2john.py script.
>
> I use two test files:
> test_1.py is one that I made myself, using 7-Zip under Windows.
> test_2.py is my "real" case that I would like to find the password for.
>
> ~/JtR_bleeding-jumbo/run$ ./7z2john.py test_1.7z
> test_1.7z : 7-Zip files without header encryption are *not* supported yet!

I need some free time, motivation (and courage) to support such files ;(

> ~/JtR_bleeding-jumbo/run$ ./7z2john.py test_2.7z
> ...
> UnboundLocalError: local variable 'size' referenced before assignment
>
> Well, this looks like a bug in the script, and I briefly looked at it,
> but unfortunately don't know enough about the 7z file format to deal
> with it myself.

That makes two of us.

> Can anyone help me please so that it can output the hashes from
> test_2.7z file? :-)

One day JtR will be able to do it but I can't say exactly when.

-- 
Dhiru

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