[B<-help>]
[B<-inform DER|PEM>]
[B<-outform DER|PEM>]
-[B<-keyform DER|PEM>]
+[B<-keyform DER|PEM|ENGINE>]
[B<-CAform DER|PEM>]
[B<-CAkeyform DER|PEM>]
[B<-in filename>]
the B<-signkey> or the B<-CA> options). Normally all extensions are
retained.
-=item B<-keyform PEM|DER>
+=item B<-keyform PEM|DER|ENGINE>
Specifies the format (DER or PEM) of the private key file used in the
B<-signkey> option.