@deftypefun {const char *} {gnutls_pk_get_oid} (gnutls_pk_algorithm_t @var{algorithm})
@var{algorithm}: is a public key algorithm

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

@strong{Returns:} a pointer to a string that contains the object identifier of the
specified public key algorithm, or @code{NULL} .

@strong{Since:} 3.4.3
@end deftypefun