This is the Debian GNU/Linux version of the libcrypto++ library

This package was downloaded from: http://www.eskimo.com/~weidai/cryptlib.html

From License.txt:

Compilation Copyright (c) 1995-2002 by Wei Dai.  All rights reserved.
This copyright applies only to this software distribution package 
as a compilation, and does not imply a copyright on any particular 
file in the package.

The following files are copyrighted by their respective original authors:

mars.cpp - Copyright 1998 Brian Gladman.

All other files in this compilation are placed in the public domain by
Wei Dai and other contributors.

From mars.cpp:

/* Copyright in this implementation is held by Dr B R Gladman but       */
/* I hereby give permission for its free direct or derivative use       */
/* subject to acknowledgment of its origin and compliance with any      */
/* constraints that IBM place on the use of the MARS algorithm.         */
/*                                                                      */
/* Dr Brian Gladman (gladman@seven77.demon.co.uk) 4th October 1998      */

Debian specific changes are copyright (c) 2000-2002,
Stephen Zander <gibreel@debian.org>
Pierre Machard <pmachard@debian.org>, (c) 2004