LAWS.pkcs7_pad_blocks: law of bend-osdev-pkcs7@0.1.0.0
Import: import bend-osdev-pkcs7@0.1.0.0/LAWS.bend as LAWS
Lines 18-23 of bend-osdev-pkcs7@0.1.0.0/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-pkcs7@0.1.0.0/LAWS.bend&start_line=18&end_line=23

import Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B
import bend-osdev-mode-core@0.1.0.0/mode_core.bend as M
import bend-osdev-pkcs7@0.1.0.0/pkcs7.bend as P

# A padded message is a whole number of blocks, for every block size and
# message
law pkcs7_pad_blocks:
  for +bs: Nat
  for +m: B.Octets
  {Result.map(&2, &2, M.CmError, B.Octets, Nat, c => Nat.mod(B.Octets.len(c), bs), P.Pkcs7.pad(bs, m)) == Result.map(&2, &2, M.CmError, B.Octets, Nat, c => 0n, P.Pkcs7.pad(bs, m)) : Result<&2, &2, M.CmError, Nat>}

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mod
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result.map
  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.len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-mode-core@0.1.0.0/mode_core.bend&name=CmError
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-pkcs7@0.1.0.0/PROOF.bend&name=pk.blocks
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-pkcs7@0.1.0.0/pkcs7.bend&name=Pkcs7.pad
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-pkcs7@0.1.0.0/pkcs7.bend&name=pkcs7.size_ok