law aes_enc_key_length

bend-osdev-crypto@0.1.0.0 · LAWS.bend:1153

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-cipher-modes@0.1.0.0/aes.bend as X
import bend-osdev-crypto@0.1.0.0/crypto.bend as Cr
import bend-osdev-crypto@0.1.0.0/inst_aes.bend as A

1153# AES, encryption key schedule only (cipher-modes): a key of 20 bytes is refused
1154law aes_enc_key_length:
1155  {Result.map(&2, &2, Cr.CrError, X.CmAesKey, Unit, k => Unit{}, A.CrAes.key_enc(B.Octets.zeros(20n))) == Fail{Cr.CrBadKeyLength{20n}} : Result<&2, &2, Cr.CrError, Unit>}