LAWS.xtea_block_round_trip: law of bend-osdev-crypto@0.1.0.0
Import: import bend-osdev-crypto@0.1.0.0/LAWS.bend as LAWS
Lines 1077-1081 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=1077&end_line=1081

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/xtea.bend as Xt

# XTEA, little-endian words (legacy-ciphers): decryption undoes encryption, for every key and block
law xtea_block_round_trip:
  for k: Xt.LcXteaKey
  for +b: L.LcBlock64
  {Xt.LcXtea.decrypt(k, Xt.LcXtea.encrypt(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=xtea_round_trip
  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/xtea.bend&name=LcXtea.decrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/xtea.bend&name=LcXtea.encrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/xtea.bend&name=LcXteaKey