Returns the scheme used to store the private key.
If the returned scheme is nm_setting_802_1x_ck_scheme_blob, use get_client_cert_blob; if nm_setting_802_1x_ck_scheme_path, use get_client_cert_path ; if nm_setting_802_1x_ck_scheme_pkcs11, use get_client_cert_uri.
| this |
the Setting8021x |
|
scheme used to store the private key (blob or path) |