+=item B<-CAfile file>
+
+CA storage as a file.
+
+=item B<-CApath dir>
+
+CA storage as a directory. This directory must be a standard certificate
+directory: that is a hash of each subject name (using B<x509 -hash>) should be
+linked to each certificate.
+
+=item B<-no-CAfile>
+
+Do not load the trusted CA certificates from the default file location
+
+=item B<-no-CApath>
+
+Do not load the trusted CA certificates from the default directory location
+
+=item B<-CSP name>
+
+write B<name> as a Microsoft CSP name.
+