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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