=head1 SYNOPSIS
B<openssl> B<pkcs12>
+[B<-help>]
[B<-export>]
[B<-chain>]
[B<-inkey filename>]
=over 4
+=item B<-help>
+
+Print out a usage message.
+
=item B<-in filename>
This specifies filename of the PKCS#12 file to be parsed. Standard input is used