=head1 SYNOPSIS
B<openssl passwd>
+[B<-help>]
[B<-crypt>]
[B<-1>]
[B<-apr1>]
=over 4
+=item B<-help>
+
+Print out a usage message.
+
=item B<-crypt>
Use the B<crypt> algorithm (default).
B<openssl passwd -apr1 -salt xxxxxxxx password> prints B<$apr1$xxxxxxxx$dxHfLAsjHkDRmG83UXe8K0>.
+=head1 COPYRIGHT
+
+Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
+
+Licensed under the OpenSSL license (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
+L<https://www.openssl.org/source/license.html>.
+
=cut