static const OSSL_ALGORITHM deflt_keyexch[] = {
#ifndef OPENSSL_NO_DH
{ "DH:dhKeyAgreement", "default=yes", dh_keyexch_functions },
+#endif
+#ifndef OPENSSL_NO_EC
+ { "X25519", "default=yes", x25519_keyexch_functions },
+ { "X448", "default=yes", x448_keyexch_functions },
#endif
{ NULL, NULL, NULL }
};