LAWS.serpent_block_round_trip_dual: law of bend-osdev-crypto@0.1.0.0
Import: import bend-osdev-crypto@0.1.0.0/LAWS.bend as LAWS
Lines 799-803 of bend-osdev-crypto@0.1.0.0/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-crypto@0.1.0.0/LAWS.bend&start_line=799&end_line=803

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 Sp

# Serpent (legacy-ciphers): encryption undoes decryption (a permutation of the blocks)
law serpent_block_round_trip_dual:
  for k: Sp.LcSerpentKey
  for +b: M.CmBlock
  {Sp.LcSerpent.encrypt(k, Sp.LcSerpent.decrypt(k, b)) == b : M.CmBlock}

Uses (5):
  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/LAWS.bend&name=serpent_round_trip_dual
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend&name=LcSerpent.decrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend&name=LcSerpent.encrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend&name=LcSerpentKey