LAWS.hmac_sha512_split: law of bend-osdev-crypto@0.1.0.0
Import: import bend-osdev-crypto@0.1.0.0/LAWS.bend as LAWS
Lines 1216-1221 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=1216&end_line=1221

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-crypto@0.1.0.0/hmac.bend as Hm
import bend-osdev-crypto@0.1.0.0/inst_sha2.bend as SH

# HMAC over SHA-512 (bend-collections): the tag in pieces is the tag in one call, for every split
law hmac_sha512_split:
  for +kk: Hm.CrHmacKey
  for +a: B.Octets
  for +b: B.Octets
  {Hm.CrHmac.finish(~SH.CrSha2State, ~SH.CrSha2.init512(), ~SH.CrSha2.update, ~SH.CrSha2.final, Hm.CrHmac.update(~SH.CrSha2State, ~SH.CrSha2.update, Hm.CrHmac.update(~SH.CrSha2State, ~SH.CrSha2.update, Hm.CrHmac.start(~SH.CrSha2State, ~SH.CrSha2.init512(), ~SH.CrSha2.update, kk), a), b)) == Hm.CrHmac.mac(~SH.CrSha2.sha512, kk, B.Octets.append(a, b)) : B.Octets}

Uses (15):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  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-crypto@0.1.0.0/LAWS.bend&name=sha512_hash_split
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/LAWS.bend&name=sha512_hash_split3
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/hmac.bend&name=CrHmac.finish
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/hmac.bend&name=CrHmac.mac
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/hmac.bend&name=CrHmac.start
  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=CrHmacKey
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/inst_sha2.bend&name=CrSha2.final
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/inst_sha2.bend&name=CrSha2.init512
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/inst_sha2.bend&name=CrSha2.sha512
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/inst_sha2.bend&name=CrSha2.update
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/inst_sha2.bend&name=CrSha2State