LAWS.hmac_crc32_streaming: law of bend-osdev-crypto@0.1.0.0
Import: import bend-osdev-crypto@0.1.0.0/LAWS.bend as LAWS
Lines 1177-1183 of bend-osdev-crypto@0.1.0.0/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-crypto@0.1.0.0/LAWS.bend&start_line=1177&end_line=1183

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-crc@0.1.0.0/crc.bend as C
import bend-osdev-crypto@0.1.0.0/hmac.bend as Hm
import bend-osdev-crypto@0.1.0.0/inst_crc.bend as CR

# HMAC over CRC-32 of any parameter set (crc): the state after a ++ b is the state after a, then b
law hmac_crc32_streaming:
  for ~spec: C.Crc32Spec
  for s: Hm.CrHmacState<U32>
  for +a: B.Octets
  for +b: B.Octets
  {Hm.CrHmac.update(~U32, ~CR.CrCrc32.update(~spec), s, B.Octets.append(a, b)) == Hm.CrHmac.update(~U32, ~CR.CrCrc32.update(~spec), Hm.CrHmac.update(~U32, ~CR.CrCrc32.update(~spec), s, a), b) : Hm.CrHmacState<U32>}

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  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-crc@0.1.0.0/crc.bend&name=Crc32Spec
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/LAWS.bend&name=crc32_hash_streaming
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/hmac.bend&name=CrHmac.update
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/hmac.bend&name=CrHmacState
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/inst_crc.bend&name=CrCrc32.update