-#!/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 Andy Polyakov <appro@openssl.org> for the OpenSSL
# service routines are expected to preserve it and for own well-being
# zero it upon entry.
-while (($output=shift) && ($output!~/\w[\w\-]*\.\w+$/)) {}
-open STDOUT,">$output";
+$output = pop and open STDOUT,">$output";
($CTXA,$INP,$NUM) = ("A4","B4","A6"); # arguments
$K256="A3";