Pkcs7.pkcs7.pad.oct: def of bend-osdev-pkcs7@0.1.0.0
Import: import bend-osdev-pkcs7@0.1.0.0/pkcs7.bend as Pkcs7
Lines 20-25 of bend-osdev-pkcs7@0.1.0.0/pkcs7.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-pkcs7@0.1.0.0/pkcs7.bend&start_line=20&end_line=25

import Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B

# m and its padding (on Octets, so that a long message is not walked as a
# list: Bend 2.0.37's runtime overflows its stack on deep structural
# recursion)
def pkcs7.pad.oct(+bs: Nat, +m: B.Octets) -> B.Octets:
  +p = Nat.sub(bs, Nat.mod(B.Octets.len(m), bs))
  B.Octets.append(m, B.Octets.of_list(pkcs7.fill(p, U32.from_nat(p))))

Uses (9):
  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=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.from_nat
  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-bytes@0.1.1.0/bytes.bend&name=Octets.len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.of_list
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-pkcs7@0.1.0.0/pkcs7.bend&name=pkcs7.fill