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Message-ID: <500C1BC8.8030401@mccme.ru>
Date: Sun, 22 Jul 2012 19:27:04 +0400
From: Alexander Cherepanov <cherepan@...me.ru>
To: john-dev@...ts.openwall.com
Subject: pkzip format: length of filename recorded in hash?
Hi!
I was suprised to learn that zip2john records the length of filenames in
hashes. An example:
$ cp -a a.zip aa.zip
$ zip2john a*.zip 2> /dev/null
aa.zip:$pkzip$1*2*3*0*4f7e*9c40*5f655957*0*48*8*6*ac6f*aa.zip*$/pkzip$
a.zip:$pkzip$1*2*3*0*4f7e*9c40*5f655957*0*48*8*5*ac6f*a.zip*$/pkzip$
(the line for "aa.zip" contains "*6*", for "a.zip" -- "*5*").
The problem with this evident -- you cannot just move files and change
paths in hashes.
Is it for a reason?
--
Alexander Cherepanov
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