COOKIE_INPUT_SIZE
const uint8_t key[COOKIE_INPUT_SIZE])
cookie_maker_init(struct cookie_maker *cm, const uint8_t key[COOKIE_INPUT_SIZE])
precompute_key(uint8_t *key, const uint8_t input[COOKIE_INPUT_SIZE],
blake2s_update(&blake, input, COOKIE_INPUT_SIZE);
const uint8_t[COOKIE_INPUT_SIZE], const char *);
const uint8_t[COOKIE_INPUT_SIZE]);
void cookie_maker_init(struct cookie_maker *, const uint8_t[COOKIE_INPUT_SIZE]);