law blowfish_ecb_round_trip

bend-osdev-crypto@0.1.0.0 · LAWS.bend:985

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
import bend-osdev-crypto@0.1.0.0/modes.bend as Md

985# Blowfish (legacy-ciphers) in ECB (modes.bend): decryption undoes encryption, for every key and list of blocks
986law blowfish_ecb_round_trip:
987  for +k: Bf.LcBlowfishKey
988  for +bs: List<&2, L.LcBlock64>
989  {Md.CrEcb.decrypt_blocks(~Bf.LcBlowfishKey, ~L.LcBlock64, ~Bf.LcBlowfish.decrypt, k, Md.CrEcb.encrypt_blocks(~Bf.LcBlowfishKey, ~L.LcBlock64, ~Bf.LcBlowfish.encrypt, k, bs)) == bs : List<&2, L.LcBlock64>}