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John the Ripper

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. Its primary purpose is to detect weak Unix passwords. Besides several crypt(3) password hash types most commonly found on various Unix flavors, supported out of the box are Kerberos AFS and Windows NT/2000/XP/2003 LM hashes, plus several more with contributed patches.

Site:	http://www.openwall.com/john/
Source URL:	files/Passwords/John the Ripper/john-1.7.9-jumbo-5.tar.bz2
Category:	Passwords
Hits:	9300
Rating:	10
Added:	2006-08-27 17:11:12
Updated:	2011-12-19 10:39:48

Tested on:

Fedora Core	install.sh
	10
	11
OpenSUSE	install.sh
	10
	11
Ubuntu	install.sh
	10.10
	11.04
Windows
	XP

Comments:

If you get the following error messages while compiling john the ripper:

gcc -c x86.S
x86.S: Assembler messages:
x86.S:411: Error: suffix or operands invalid for `push
x86.S:411: Error: suffix or operands invalid for `push
-snip- x86.S:1326: Error: suffix or operands invalid for `pop
x86.S:1378: Error: suffix or operands invalid for `pop
make[1]: *** [x86.o] Error 1

You need to change your target from x86 to x86-64

by marc at 2010-11-21 12:15:34