def sp_lt1d

bend-osdev-legacy-ciphers@0.1.0.0 · PROOF.bend:1178

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/serpent.bend as P

1178def sp_lt1d(s: M.CmBlock) -> {s == P.sp.lt1(P.sp.ilt1(s)) : M.CmBlock}:
1179  match s:
1180    case M.CmBlock{+x0, +x1, +x2, +x3}:
1181      %rot_13_19(x0) : {M.CmBlock{x0, x1, x2, x3} == M.CmBlock{_, x1, x2, x3} : M.CmBlock}
1182      {==}