diff --git a/LICENCE b/LICENCE
index a2278a05d..5999c5e9d 100644
--- a/LICENCE
+++ b/LICENCE
@@ -314,6 +314,68 @@ OpenSSH contains no GPL code.
 	* authorization.                                                           *
 	****************************************************************************/
 
+       The Blowfish cipher implementation is licensed by Niels Provis under
+       a 4-clause BSD license:
+
+         * Blowfish - a fast block cipher designed by Bruce Schneier
+         *
+         * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+         * All rights reserved.
+         *
+         * Redistribution and use in source and binary forms, with or without
+         * modification, are permitted provided that the following conditions
+         * are met:
+         * 1. Redistributions of source code must retain the above copyright
+         *    notice, this list of conditions and the following disclaimer.
+         * 2. Redistributions in binary form must reproduce the above copyright
+         *    notice, this list of conditions and the following disclaimer in the
+         *    documentation and/or other materials provided with the distribution.
+         * 3. All advertising materials mentioning features or use of this software
+         *    must display the following acknowledgement:
+         *      This product includes software developed by Niels Provos.
+         * 4. The name of the author may not be used to endorse or promote products
+         *    derived from this software without specific prior written permission.
+         *
+         * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+         * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+         * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+         * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+         * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+         * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+         * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+         * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+         * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+         * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+       Some replacement code is licensed by the NetBSD foundation under a
+       2-clause BSD license:
+
+         * Copyright (c) 2001 The NetBSD Foundation, Inc.
+         * All rights reserved.
+         *
+         * This code is derived from software contributed to The NetBSD Foundation
+         * by Todd Vierling.
+         *
+         * Redistribution and use in source and binary forms, with or without
+         * modification, are permitted provided that the following conditions
+         * are met:
+         * 1. Redistributions of source code must retain the above copyright
+         *    notice, this list of conditions and the following disclaimer.
+         * 2. Redistributions in binary form must reproduce the above copyright
+         *    notice, this list of conditions and the following disclaimer in the
+         *    documentation and/or other materials provided with the distribution.
+         *
+         * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+         * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+         * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+         * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+         * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+         * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+         * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+         * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+         * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+         * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+         * POSSIBILITY OF SUCH DAMAGE.
 
 ------
 $OpenBSD: LICENCE,v 1.20 2017/04/30 23:26:16 djm Exp $