For all files except aes.c, aes.h, sha256.h, and sha256.c, the following
license applies:

This software is licensed as "freeware."  Permission to distribute
this software in source and binary forms is hereby granted without a
fee.  THIS SOFTWARE IS PROVIDED 'AS IS' AND WITHOUT ANY EXPRESSED OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
THE AUTHOR SHALL NOT BE HELD LIABLE FOR ANY DAMAGES RESULTING FROM
THE USE OF THIS SOFTWARE, EITHER DIRECTLY OR INDIRECTLY, INCLUDING,
BUT NOT LIMITED TO, LOSS OF DATA OR DATA BEING RENDERED INACCURATE.

The explicitly excluded files listed above are licensed under the
GNU Public License.  The license covering those files can be found here:
http://www.gnu.org/licenses/gpl-2.0.txt