Copyright (c) 2011 cPanel, Inc.

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.10.1 or,
at your option, any later version of Perl 5 you may have available.

The following files are adapted from other sources (primarily DragonFly BSD.)
See the copyright notices in these files for full details:

crypt_to64.c - copyright 1991 University of California
crypt_to64.h - copyright 1991 University of California
des.c - copyright 1994 David Burren, Geoffrey M. Rehmet, Mark R V Murray
md5.c - copyright 1999, 2000, 2002 Aladdin Enterprises
md5.h - copyright 1999, 2000, 2002 Aladdin Enterprises
md5crypt.c - copyright Poul-Henning Kamp
md5crypt.h - copyright Poul-Henning Kamp
sha256crypt.c - public domain reference implementation by Ulrich Drepper
sha512crypt.c - public domain reference implementation by Ulrich Drepper