PROOF.sp_lt8d: def of bend-osdev-legacy-ciphers@0.1.0.0
Import: import bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend as PROOF
Lines 1241-1246 of bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend&start_line=1241&end_line=1246

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/legacy_ciphers.bend as L
import bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend as P

def sp_lt8d(s: M.CmBlock) -> {s == P.sp.lt8(P.sp.ilt8(s)) : M.CmBlock}:
  match s:
    case M.CmBlock{+x0, +x1, +x2, +x3}:
      %rot_5_27(x0) : {M.CmBlock{x0, x1, x2, x3} == M.CmBlock{_, x1, L.lc.rotl22.bits(L.lc.rotl10.bits(x2)), x3} : M.CmBlock}
      %rot_22_10(x2) : {M.CmBlock{x0, x1, x2, x3} == M.CmBlock{x0, x1, _, x3} : M.CmBlock}
      {==}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=CmBlock
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend&name=rot_22_10
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend&name=rot_5_27
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=lc.rotl10.bits
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=lc.rotl22.bits
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend&name=sp.ilt8
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend&name=sp.lt8