LAWS.sha1_streaming: law of bend-osdev-hashes@0.1.0.0
Import: import bend-osdev-hashes@0.1.0.0/LAWS.bend as LAWS
Lines 153-158 of bend-osdev-hashes@0.1.0.0/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-hashes@0.1.0.0/LAWS.bend&start_line=153&end_line=158

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/sha1.bend as S1

# SHA-1 (FIPS 180-4): update over a ++ b is update over a, then b, from every state
law sha1_streaming:
  for s: Hs.HsMdState<Hs.HsW5>
  for +a: B.Octets
  for +b: B.Octets
  {S1.HsSha1.update(s, B.Octets.append(a, b)) == S1.HsSha1.update(S1.HsSha1.update(s, a), b) : Hs.HsMdState<Hs.HsW5>}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.append
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-hashes@0.1.0.0/LAWS.bend&name=md_streaming
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-hashes@0.1.0.0/hashes.bend&name=HsMdState
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-hashes@0.1.0.0/hashes.bend&name=HsW5
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-hashes@0.1.0.0/sha1.bend&name=HsSha1.compress
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-hashes@0.1.0.0/sha1.bend&name=HsSha1.update