if (dh == NULL) {
		return NULL;
	}

	dhp_bn = BN_bin2bn(dhp_2048, sizeof (dhp_2048), NULL);
	dhg_bn = BN_bin2bn(dhg_2048, sizeof (dhg_2048), NULL);

#if OPENSSL_VERSION_NUMBER < 0x10100000L
#ifdef TCLTLS_OPENSSL_PRE_1_1_API
	dh->p = dhp_bn;
	dh->g = dhg_bn;

	if (dhp_bn == NULL || dhg_bn == NULL) {
#else
	if (dhp_bn == NULL || dhg_bn == NULL || !DH_set0_pqg(dh, dhp_bn, NULL, dhg_bn)) {
#endif