@deftypefun {gnutls_sec_param_t} {gnutls_x509_privkey_sec_param} (gnutls_x509_privkey_t @var{key})
@var{key}: a key
This function will return the security parameter appropriate with
this private key.
@strong{Returns:} On success, a valid security parameter is returned otherwise
@code{GNUTLS_SEC_PARAM_UNKNOWN} is returned.
@strong{Since:} 2.12.0
@end deftypefun