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Message-ID: <20110609014506.GA3272@openwall.com>
Date: Thu, 9 Jun 2011 05:45:06 +0400
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com, announce@...ts.openwall.com
Subject: JtR 1.7.7-jumbo-6
Hi,
John the Ripper 1.7.7-jumbo-6 is out:
http://www.openwall.com/john/
http://www.openwall.com/john/#contrib
This community-enhanced release integrates preliminary support for
several non-hashes, implemented under Dhiru Kholia's GSoC 2011 project.
Specifically, it supports cracking of OpenSSH's passphrase-protected SSH
protocol 2 private keys, password-protected PDF files with 40-bit and
128-bit RC4 encryption, and some password-protected RAR archives.
For SSH keys, typical speeds are hundreds of thousands of combinations
per second - e.g., I measured 580k c/s during actual cracking on a dual
Xeon E5420 2.5 GHz, with an OpenMP-enabled build. If you have a weak
passphrase on one of your private keys - beware.
Yes, Dhiru's SSH key cracker includes OpenMP parallelization. There's a
limitation, though: this requires OpenSSL 1.0.0 or newer, for
thread-safety of the interfaces being used. When building or running
with older versions of OpenSSL, OpenMP parallelization in the SSH
cracker is automatically disabled. (You can always use MPI instead.)
Besides the non-hashes, 1.7.7-jumbo-6 integrates support for password
hashes of Sybase ASE (also by Dhiru), hmailserver (by James Nobis), and
MediaWiki "B" type (by JimF). The first two of these are disabled at
compile-time by default; to enable, edit the Makefile to add the
commented-out -DHAVE_OPENSSL_SHA256 to CFLAGS (requires OpenSSL 0.9.8 or
newer, whereas the rest of jumbo patch also works with 0.9.7).
As usual, we've added many minor enhancements as well, such as to ETA
display and to the "unique" program.
Enjoy, and provide your feedback (on john-users).
Alexander
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