This is the Debian GNU/Linux packaged version of mcrypt.

The developer of this software is Nikos Mavroyanopoulos <nmav@hellug.gr>.
It was put together by Raphael Bossek <bossekr@debian.org>.
Current maintainer is RISKO Gergely <risko@debian.org>

Upstream webpage: http://mcrypt.sourceforge.net/

/*  mcrypt 2.5 - encrypts text or binary files using symmetric algorithms.
 *  For a brief description of the algorithms read the man page.
 *
 *  Copyright (C) 1998,1999,2000,2001,2002,2007 Nikos Mavroyanopoulos
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>. 
 */

On Debian systems, the complete text of the GNU General Public License
can be found in /usr/share/common-licenses/GPL-3.