@deftypefun {int} {gnutls_dh_get_secret_bits} (gnutls_session_t @var{session})
@var{session}: is a gnutls session

This function will return the bits used in the last Diffie-Hellman
key exchange with the peer.  Should be used for both anonymous and
ephemeral Diffie-Hellman.

@strong{Returns:} On success, @code{GNUTLS_E_SUCCESS}  (0) is returned, otherwise
an error code is returned.
@end deftypefun