LAWS.blowfish_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 975-979 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=975&end_line=979

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/blowfish.bend as Bf

# Blowfish (legacy-ciphers): encryption undoes decryption (a permutation of the blocks)
law blowfish_block_round_trip_dual:
  for k: Bf.LcBlowfishKey
  for +b: L.LcBlock64
  {Bf.LcBlowfish.encrypt(k, Bf.LcBlowfish.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=blowfish_round_trip_dual
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/blowfish.bend&name=LcBlowfish.decrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/blowfish.bend&name=LcBlowfish.encrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/blowfish.bend&name=LcBlowfishKey
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=LcBlock64