John the Ripper password cracker
John the Ripper is a fast password cracker. Its primary purpose is to
detect weak Unix passwords, but a number of other hash types are
supported as well.
John the Ripper password cracker.
John the Ripper is a fast password cracker, currently available for
many flavors of Unix (11 are officially supported, not counting
different architectures), Windows, DOS, BeOS, and OpenVMS (the latter
requires a contributed patch). Its primary purpose is to detect weak
Unix passwords. Besides several crypt(3) password hash types most
commonly found on various
The original implementation was ca. 2004 by Ryan Lim as an academic
project. It was later picked up and maintained at bindshell.net, adding
fixes for the JtR 1.7 releases and various cipher patches.
In 2008, it was picked up by AoZ and stripped back down to the original
MPI-only changes to improve its compatibility with the '
John the Ripper FAQ.
The latest version of this FAQ may be viewed online at:
Help! I can't run John.
If you're not familiar with your OS, you should probably not be using
John in the first place since John is a tool for system administrators.
However, here are the answers to a few (not very) common questions to
avoid having them asked over and ov
The following changes have been made between John 1.7.8 and 1.7.9:
* Added optional parallelization
John the Ripper copyright and license.
John the Ripper password cracker,
Copyright (c) 1996-2011 b
This patch for John the Ripper MPI implementation is a continuation of
Ryan Lim's original patch aga
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