+void
+cookie_checker_create_payload (vlib_main_t *vm, cookie_checker_t *cc,
+ message_macs_t *cm,
+ uint8_t nonce[COOKIE_NONCE_SIZE],
+ uint8_t ecookie[COOKIE_ENCRYPTED_SIZE],
+ ip46_address_t *ip, u16 udp_port)
+{
+ uint8_t cookie[COOKIE_COOKIE_SIZE];
+
+ cookie_checker_make_cookie (vm, cc, cookie, ip, udp_port);
+ RAND_bytes (nonce, COOKIE_NONCE_SIZE);
+
+ wg_xchacha20poly1305_encrypt (vm, cookie, COOKIE_COOKIE_SIZE, ecookie,
+ cm->mac1, COOKIE_MAC_SIZE, nonce,
+ cc->cc_cookie_key);
+
+ wg_secure_zero_memory (cookie, sizeof (cookie));
+}
+