[B<-out filename>]
[B<-key keyfile>]
[B<-challenge string>]
+[B<-pubkey>]
[B<-spkac spkacname>]
[B<-spksect section>]
[B<-noout>]
don't output the text version of the SPKAC (not used if an
SPKAC is being created).
+=item B<-pubkey>
+
+output the public key of an SPKAC (not used if an SPKAC is
+being created).
+
=item B<-verify>
verifies the digital signature on the supplied SPKAC.