-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the Apache License 2.0 (the "License"). You may not use
+# this file except in compliance with the License. You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
# ====================================================================
-# Written by David S. Miller <davem@devemloft.net> and Andy Polyakov
-# <appro@openssl.org>. The module is licensed under 2-clause BSD
-# license. October 2012. All rights reserved.
+# Written by David S. Miller and Andy Polyakov.
+# The module is licensed under 2-clause BSD license. October 2012.
+# All rights reserved.
# ====================================================================
######################################################################
# instructions with those on critical path. Amazing!
#
# As with Intel AES-NI, question is if it's possible to improve
-# performance of parallelizeable modes by interleaving round
+# performance of parallelizable modes by interleaving round
# instructions. Provided round instruction latency and throughput
# optimal interleave factor is 2. But can we expect 2x performance
# improvement? Well, as round instructions can be issued one per