law md4_hash_streaming

bend-osdev-crypto@0.1.0.0 · LAWS.bend:1230

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-hashes@0.1.0.0/hashes.bend as Hs
import bend-osdev-hashes@0.1.0.0/md4.bend as HM4

1230# MD4 (hashes): update over a ++ b is update over a, then b, for every state
1231law md4_hash_streaming:
1232  for s: Hs.HsMdState<Hs.HsW4>
1233  for +a: B.Octets
1234  for +b: B.Octets
1235  {HM4.HsMd4.update(s, B.Octets.append(a, b)) == HM4.HsMd4.update(HM4.HsMd4.update(s, a), b) : Hs.HsMdState<Hs.HsW4>}