LAWS.tea_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 1047-1051 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=1047&end_line=1051

import Base
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L
import bend-osdev-legacy-ciphers@0.1.0.0/tea.bend as Te

# TEA, little-endian words (legacy-ciphers): encryption undoes decryption (a permutation of the blocks)
law tea_block_round_trip_dual:
  for k: Te.LcTeaKey
  for +b: L.LcBlock64
  {Te.LcTea.encrypt(k, Te.LcTea.decrypt(k, b)) == b : L.LcBlock64}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/LAWS.bend&name=tea_round_trip_dual
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=LcBlock64
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/tea.bend&name=LcTea.decrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/tea.bend&name=LcTea.encrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/tea.bend&name=LcTeaKey