Serpent.sp.box: def of bend-osdev-legacy-ciphers@0.1.0.0
Import: import bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend as Serpent
Lines 308-312 of bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend&start_line=308&end_line=312

import Base

# the prekeys w_i = (w_(i-8) xor w_(i-5) xor w_(i-3) xor w_(i-1) xor phi xor
# i) <<< 11, for n more words from i; win holds w_(i-8) .. w_(i-1)
# S-box n mod 8
def sp.box(n: Nat) -> LcSpBox:
  sp.box.go(Nat.mod(n, 8n))

Uses (4):
  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=bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend&name=LcSpBox
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend&name=sp.box.go