law cast5_block_round_trip

bend-osdev-crypto@0.1.0.0 · LAWS.bend:1005

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/cast5.bend as C5

1005# CAST-128 (legacy-ciphers): decryption undoes encryption, for every key and block
1006law cast5_block_round_trip:
1007  for k: C5.LcCast5Key
1008  for +b: L.LcBlock64
1009  {C5.LcCast5.decrypt(k, C5.LcCast5.encrypt(k, b)) == b : L.LcBlock64}