Except for the exceptions listed below, this software is under the GNU
General Public License (GPLv2+), see the file COPYING.
See the file CREDITS and docs/CREDITS.openswan and docs/CREDITS.freeswan
for contribution details.
The linux/net/ipsec/radij.c code is derived from BSD 4.4lite code
In addition to the terms set out under the GPLv2+, permission is granted to
link the software against the libdes, md5c.c, and radij.c libraries just
The following additional notes apply if you are NOT using CrytpoAPI:
The DES library is under a BSD style license, see
Note that this software has a advertising clause in it.
The MD5 implementation is from RSADSI, so this package must include the
"derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm".
It is not under the GPL; see details in linux/net/ipsec/ipsec_md5c.c.
Code in lib/libswan/nss_copies.c is used under the Mozilla Public License
Version 2.0. https://www.mozilla.org/MPL/2.0/