LAWS.crc32_hash_length: law of bend-osdev-crypto@0.1.0.0
Import: import bend-osdev-crypto@0.1.0.0/LAWS.bend as LAWS
Lines 335-339 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=335&end_line=339

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/inst_crc.bend as CR

# a CRC-32 digest is 4 bytes, for every parameter set and register
law crc32_hash_length:
  for ~spec: C.Crc32Spec
  for c: U32
  {B.Octets.len(CR.CrCrc32.final(~spec, c)) == 4n : Nat}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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.len
  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-crc@0.1.0.0/crc.bend&name=Crc32Spec.finish
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/PROOF.bend&name=be32_len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/inst_crc.bend&name=CrCrc32.final