def sm4_rev2

bend-osdev-legacy-ciphers@0.1.0.0 · PROOF.bend:267

import Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M
import bend-osdev-legacy-ciphers@0.1.0.0/sm4.bend as S

267def sm4_rev2(s: M.CmBlock) -> {s == S.sm4.rev(S.sm4.rev(s)) : M.CmBlock}:
268  match s:
269    case M.CmBlock{a, b, c, d}:
270      {==}