@deftypefun {const char *} {gnutls_digest_get_oid} (gnutls_digest_algorithm_t @var{algorithm})

@var{algorithm}: is a digest algorithm

Convert a @code{gnutls_digest_algorithm_t}  value to its object identifier.

@strong{Returns:} a string that contains the object identifier of the specified digest

algorithm, or @code{NULL} .

@strong{Since:} 3.4.3

@end deftypefun