Credit the excellent work of these people in AUTHORS

AUTHORS

@@ -31,3 +31,21 @@ Attic Patches and Suggestions
 - Johann Klähn
 - Petros Moisiadis
 - Thomas Waldmann
+
+BLAKE2
+------
+
+Borg includes BLAKE2: Copyright 2012, Samuel Neves <sneves@dei.uc.pt>, licensed under the terms
+of the CC0, the OpenSSL Licence, or the Apache Public License 2.0.
+
+Slicing CRC32
+-------------
+
+Borg includes a fast slice-by-8 implementation of CRC32, Copyright 2011-2015 Stephan Brumme,
+licensed under the terms of a zlib license. See http://create.stephan-brumme.com/crc32/
+
+Folding CRC32
+-------------
+
+Borg includes an extremely fast folding implementation of CRC32, Copyright 2013 Intel Corporation,
+licensed under the terms of the zlib license.

src/borg/_crc32/clmul.c

@@ -13,9 +13,23 @@
  *     Erdinc Ozturk   <erdinc.ozturk@intel.com>
  *     Jim Kukunas     <james.t.kukunas@linux.intel.com>
  *
- * For conditions of distribution and use, see copyright notice in zlib.h
- *
  * Copyright (c) 2016 Marian Beermann (add support for initial value, restructuring)
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty.  In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
  */
 
 #include <inttypes.h>