(* This file is for lemmas that (a) are used in the proof that the functional prog = functional spec AND (b) are used in the proof about the C program. This file DOES NOT IMPORT anything about C or CompCert (except the CompCert Integers module) *)

Lemma length_hash_block:
forall regs block,
length regs = 8%nat ->
length block = 16%nat ->
length (hash_block regs block) = 8%nat.