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Date: Sun, 29 Jul 2012 19:26:14 +0530
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-dev@...ts.openwall.com
Subject: help needed debugging Blowfish decryption
Hi,
I am trying to make a KDE KWallet cracker patch for JtR. However, I
have run into a problem regarding Blowfish decryption. If I use
OpenSSL or Python version of Blowfish, the results vary from the
KWallet's Blowfish implementation.
Debugging: Get source from http://dl.dropbox.com/u/1522424/kwallet-v0.tar
$ cd kwallet; make
$ ./1 openwall.kwl # this uses OpenSSL
663cffa17127acd82e7cf947f4
$ ./2 openwall.kwl # this uses KWallet's implementation
cc7de3d66940abeb00000048 # this is the correct output!
$ python2 bfd.py
663cffa17127acd82e7cf947 # wrong result, same as OpenSSL version
Questions:
Can anyone spot the difference between KWallet's implementation and
OpenSSL's version. Is KWallet's implementation valid?
If I find no answers, I would have to port KWallet's C++ code to C :-(. Thanks!
--
Cheers,
Dhiru
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