To describe whether or not RPC calls to the server will be authenticated and, for authenticated calls, to provide authentication and authorization information, the sec_attr_bind_auth_info_t type uses the sec_attr_bind_auth_info_type_t data type, and a tagged union. The sec_attr_bind_auth_info_type_t type defines whether or not the call is authenticated. The tagged union contains the authentication and authorization parameters.
Once a binding handle is obtained, call rpc_binding_set_auth_info( ) and supply it with the binding handle and authorization and authentication information.