=item B<-md alg>
-the message digest to use. Possible values include md5, sha1 and mdc2.
+the message digest to use.
+Any digest supported by the OpenSSL B<dgst> command can be used.
This option also applies to CRLs.
=item B<-policy arg>
=item B<default_md>
-the same as the B<-md> option. The message digest to use. Mandatory.
+the same as the B<-md> option. Mandatory.
=item B<database>