Serpent.sp.unop: 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 257-269 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=257&end_line=269

import Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L

# the step undone
def sp.unop(o: LcSpOp, s: M.CmBlock) -> M.CmBlock:
  match o:
    case LcSpBswap{}:
      match s:
        case M.CmBlock{a, b, c, d}:
          M.CmBlock{L.lc.bswap.bits(a), L.lc.bswap.bits(b), L.lc.bswap.bits(c), L.lc.bswap.bits(d)}
    case LcSpKey{k}:
      M.CmBlock.xor(s, k)
    case LcSpS{b}:
      sp.sop(b, True{}, s)
    case LcSpLt{}:
      sp.ilt(s)

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=CmBlock
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=CmBlock.xor
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=lc.bswap.bits
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend&name=LcSpOp
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend&name=sp.ilt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/serpent.bend&name=sp.sop