law fcrypt_ecb_round_trip

bend-osdev-crypto@0.1.0.0 · LAWS.bend:1129

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

1129# FCrypt (legacy-ciphers) in ECB (modes.bend): decryption undoes encryption, for every key and list of blocks
1130law fcrypt_ecb_round_trip:
1131  for +k: Fc.LcFcryptKey
1132  for +bs: List<&2, L.LcBlock64>
1133  {Md.CrEcb.decrypt_blocks(~Fc.LcFcryptKey, ~L.LcBlock64, ~Fc.LcFcrypt.decrypt, k, Md.CrEcb.encrypt_blocks(~Fc.LcFcryptKey, ~L.LcBlock64, ~Fc.LcFcrypt.encrypt, k, bs)) == bs : List<&2, L.LcBlock64>}