@deftypefun {void} {gnutls_psk_set_server_dh_params} (gnutls_psk_server_credentials_t @var{res}, gnutls_dh_params_t @var{dh_params}) @var{res}: is a gnutls_psk_server_credentials_t type @var{dh_params}: is a structure that holds Diffie-Hellman parameters. This function will set the Diffie-Hellman parameters for an anonymous server to use. These parameters will be used in Diffie-Hellman exchange with PSK cipher suites. @strong{Deprecated:} This function is unnecessary and discouraged on GnuTLS 3.6.0 or later. Since 3.6.0, DH parameters are negotiated following RFC7919. @end deftypefun