(* Analogous reverse table lemmas with figure 5.10 *)

Lemma rt0_equiv : forall n : nat,
(n < 256)%nat ->
let b := nth n inv_sbox Int.zero in
nth n RT0 Int.zero = word_to_int (ff_mult b (Int.repr 14), ff_mult b (Int.repr 9),
ff_mult b (Int.repr 13), ff_mult b (Int.repr 11)).