law md5_hash_streaming

bend-osdev-crypto@0.1.0.0 · LAWS.bend:1269

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/md5.bend as HM5

1269# MD5 (hashes): update over a ++ b is update over a, then b, for every state
1270law md5_hash_streaming:
1271  for s: Hs.HsMdState<Hs.HsW4>
1272  for +a: B.Octets
1273  for +b: B.Octets
1274  {HM5.HsMd5.update(s, B.Octets.append(a, b)) == HM5.HsMd5.update(HM5.HsMd5.update(s, a), b) : Hs.HsMdState<Hs.HsW4>}