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Jumbo patches for John the Ripper. The "unstable-jumbo" branch (currently in bugfix-only state) is what will end up 1.7.9-Jumbo-8. The "bleeding-jumbo" branch will end up as 1.8.0-Jumbo-1. The "master" branch is just a copy of Solar's core CVS repo.

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	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
and/or with other contributed patches.

	How to install.

See INSTALL for information on installing John on your system.

	How to use.


	john passwd

of word mangling rules:

	john --wordlist=password.lst --rules passwd

Cracked passwords will be printed to the terminal and saved in the

To retrieve the cracked passwords, run:

	john --show passwd

recovery in case of a crash.

To continue an interrupted session, run:

	john --restore

a complete list of command line options and for more complicated usage
examples you should refer to OPTIONS and EXAMPLES, respectively.

take advantage of MMX acceleration.

	Features and performance.

combines several cracking modes in one program and is fully
configurable for your particular needs (you can even define a custom
Also, John is available for several different platforms which enables
cracking session which you started on another platform).


OpenMP parallelization (requires GCC 4.2+, needs to be explicitly
enabled at compile-time by uncommenting the proper OMPFLAGS line near
the beginning of the Makefile).

supports and autodetects SHA-crypt and SunMD5 hashes, also with
needs to be explicitly enabled at compile-time by uncommenting the
proper OMPFLAGS line near the beginning of the Makefile and at runtime
by setting the OMP_NUM_THREADS environment variable to the desired
number of threads).

OS X 10.4+ salted SHA-1 hashes.


hash types and processor architectures.  Some of the algorithms used,
John.  Additionally, there are assembly language routines for several


the recommended order of reading:

* INSTALL - installation instructions
* OPTIONS - command line options and additional utilities
* MODES - cracking modes: what they are
* CONFIG (*) - how to customize
* RULES (*) - wordlist rules syntax
* EXTERNAL (*) - defining an external mode
* EXAMPLES - usage examples - strongly recommended
* FAQ - guess
* CHANGES (*) - history of changes
* CREDITS (*) - credits
* LICENSE - copyrights and licensing terms

(*) most users can safely skip these.

Happy reading!

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