law serpent_key_length

bend-osdev-crypto@0.1.0.0 · LAWS.bend:805

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend as Sp
import bend-osdev-crypto@0.1.0.0/crypto.bend as Cr
import bend-osdev-crypto@0.1.0.0/inst_lc.bend as LC

805# Serpent (legacy-ciphers): a key of 33 bytes is refused
806law serpent_key_length:
807  {Result.map(&2, &2, Cr.CrError, Sp.LcSerpentKey, Unit, k => Unit{}, LC.CrLc.key(~Sp.LcSerpentKey, ~Sp.LcSerpent.key, B.Octets.zeros(33n))) == Fail{Cr.CrBadKeyLength{33n}} : Result<&2, &2, Cr.CrError, Unit>}