law ripemd160_hash_streaming

bend-osdev-crypto@0.1.0.0 · LAWS.bend:1347

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/ripemd160.bend as HRM

1347# RIPEMD-160 (hashes): update over a ++ b is update over a, then b, for every state
1348law ripemd160_hash_streaming:
1349  for s: Hs.HsMdState<Hs.HsW5>
1350  for +a: B.Octets
1351  for +b: B.Octets
1352  {HRM.HsRipemd160.update(s, B.Octets.append(a, b)) == HRM.HsRipemd160.update(HRM.HsRipemd160.update(s, a), b) : Hs.HsMdState<Hs.HsW5>}