proposition: Lemma checksum_checksum' : forall bytes, checksum bytes = checksum' (make_pairs bytes (wzero _)).
proof: Proof. fix IH 1. destruct bytes. - reflexivity. - destruct bytes. + reflexivity. + simpl; rewrite IH; reflexivity. Qed.
imports: Fiat.Common.Coq__8_4__8_5__Compat List Bedrock.Word Coq.ZArith.ZArith Coq.micromega.Psatz NArith NArithRing ZArith ZArithRing Program Coq.micromega.Psatz AlignedByteString