@deftypefun {gnutls_mac_algorithm_t} {gnutls_oid_to_mac} (const char * @var{oid})
@var{oid}: is an object identifier

Converts a textual object identifier typically from PKCS@code{5}  values to a @code{gnutls_mac_algorithm_t}  value.

@strong{Returns:} a @code{gnutls_mac_algorithm_t}  id of the specified digest
algorithm, or @code{GNUTLS_MAC_UNKNOWN}  on failure.

@strong{Since:} 3.5.4
@end deftypefun