def w5le_len

bend-osdev-hashes@0.1.0.0 · PROOF.bend:70

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-hashes@0.1.0.0/hashes.bend as Hs

70def w5le_len(x: Hs.HsW5) -> {B.Octets.len(Hs.HsW5.le(x)) == 20n : Nat}:
71  match x:
72    case Hs.HsW5{+a0, +a1, +a2, +a3, +a4}:
73      %Equal.sym(Nat, B.Octets.len(B.Octets.of_list(B.append(B.le32(a0), B.append(B.le32(a1), B.append(B.le32(a2), B.append(B.le32(a3), B.le32(a4))))))), B.len(B.append(B.le32(a0), B.append(B.le32(a1), B.append(B.le32(a2), B.append(B.le32(a3), B.le32(a4)))))), octets_len_of(B.append(B.le32(a0), B.append(B.le32(a1), B.append(B.le32(a2), B.append(B.le32(a3), B.le32(a4))))))) : {_ == 20n : Nat}
74      w5le_len_list(a0, a1, a2, a3, a4)