This is a Debian prepackaged version of john the ripper. The package has been created by Christian Kurz . Source code was obtained from: http://www.openwall.com/john/ Author: Alexander Peslyak aka Solar Designer The following copyright applies to this package: Copyright (c) 2000 Solar Designer All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. A complete version of the GPL can be found in /usr/share/common-licenses/GPL.