The actual permitted field names are any object identifier short or
long names. These are compiled into OpenSSL and include the usual
values such as commonName, countryName, localityName, organizationName,
-organizationUnitName, stateOrProvinceName. Additionally emailAddress
+organizationalUnitName, stateOrProvinceName. Additionally emailAddress
is include as well as name, surname, givenName initials and dnQualifier.
Additional object identifiers can be defined with the B<oid_file> or