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Date: Wed, 23 Jun 2010 06:46:12 +0400
From: Solar Designer <>
Subject: [openwall-announce] passwdqc updates; JtR SHA-crypt/OpenMP tutorials; JtR MPI patch


This is to announce several things at once:

0. Besides staying on this mailing list, it is now possible to receive
more timely updates by following us on Twitter:

I've already made a few initial tweets to set the expectations.

1. A new version of our password/passphrase strength checker,
passwdqc 1.2.2, has been released.  This version makes minor Makefile
updates to make the "install" and "uninstall" targets with their default
settings friendlier to Solaris systems:

At the same time, a wiki page with detailed Solaris-specific
instructions on setting up passwdqc has been created:

2. A Python package re-implementing some algorithms from passwdqc has been
created by Alastair Houghton.  It is found on the passwdqc contributed
resources list:

3. Detailed tutorials on cracking/auditing SHA-crypt hashed user
passwords on recent Ubuntu, Fedora, and Solaris 10 systems have been
posted to the john-users mailing list, separately for Linux (using
Fedora 12 as the specific example):

and for Solaris 10:

These include optional OpenMP parallelization instructions and examples
(to use multiple CPUs and/or CPU cores).  (These same instructions will
work for bcrypt and SunMD5 hashes as well.)

4. The jumbo patch for John the Ripper has been updated further to
revision 1.7.6-jumbo-3, and the MPI parallelization patch has been
updated to apply on top of this revision:


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