Update license information

* LICENSES: New.
* Makefile.am (EXTRA_DIST): Add LICENSES.
* AUTHORS: Add list of copyright holders.
* README: Reference AUTHORS.

Signed-off-by: Werner Koch <wk@gnupg.org>

1 files changed, 134 insertions, 0 deletions

diff --git a/LICENSES b/LICENSES
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+Additional license notices for Libgcrypt.                    -*- org -*-
+
+This file contains the copying permission notices for various files in
+the Libgcrypt distribution which are not covered by the GNU Lesser
+General Public License (LGPL) or the GNU General Public License (GPL).
+
+These notices all require that a copy of the notice be included
+in the accompanying documentation and be distributed with binary
+distributions of the code, so be sure to include this file along
+with any binary distributions derived from the GNU C Library.
+
+* BSD_3Clause
+
+  For files:
+  - cipher/sha256-ssse3-amd64.S
+  - cipher/sha512-avx-amd64.S
+  - cipher/sha512-avx2-bmi2-amd64.S
+  - cipher/sha512-ssse3-amd64.S
+
+#+begin_quote
+  Copyright (c) 2012, Intel Corporation
+
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are
+  met:
+
+  * Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+  * 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.
+
+  * Neither the name of the Intel Corporation nor the names of its
+    contributors may be used to endorse or promote products derived from
+    this software without specific prior written permission.
+
+
+  THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION "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 INTEL CORPORATION 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.
+#+end_quote
+
+* Simple permissive licenses
+
+  For files:
+  - cipher/crc.c
+
+#+begin_quote
+  Copyright (c) 1996 L. Peter Deutsch
+
+  Permission is granted to copy and distribute this document for
+  any purpose and without charge, including translations into
+  other languages and incorporation into compilations, provided
+  that the copyright notice and this notice are preserved, and
+  that any substantive changes or deletions from the original are
+  clearly marked.
+#+end_quote
+
+* IETF permissive licenses
+
+  For files:
+  - cipher/crc.c
+
+#+begin_quote
+  Copyright (C) The Internet Society (1998).  All Rights Reserved.
+
+  This document and translations of it may be copied and furnished
+  to others, and derivative works that comment on or otherwise
+  explain it or assist in its implementation may be prepared,
+  copied, published and distributed, in whole or in part, without
+  restriction of any kind, provided that the above copyright notice
+  and this paragraph are included on all such copies and derivative
+  works.  However, this document itself may not be modified in any
+  way, such as by removing the copyright notice or references to
+  the Internet Society or other Internet organizations, except as
+  needed for the purpose of developing Internet standards in which
+  case the procedures for copyrights defined in the Internet
+  Standards process must be followed, or as required to translate
+  it into languages other than English.
+
+  The limited permissions granted above are perpetual and will not be
+  revoked by the Internet Society or its successors or assigns.
+
+  This document and the information contained herein is provided on
+  an "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET
+  ENGINEERING TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE
+  OF THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY
+  IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
+  PURPOSE.
+#+end_quote
+
+* X License
+
+  For files:
+  - install.sh
+
+#+begin_quote
+  Copyright (C) 1994 X Consortium
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to
+  deal in the Software without restriction, including without limitation the
+  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+  sell copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+  X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+  AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+  TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+  Except as contained in this notice, the name of the X Consortium shall not
+  be used in advertising or otherwise to promote the sale, use or other deal-
+  ings in this Software without prior written authorization from the X Consor-
+  tium.
+#+end_quote