PROOF.bf_unop_op: def of bend-osdev-legacy-ciphers@0.1.0.0
Import: import bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend as PROOF
Lines 1580-1593 of bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend&start_line=1580&end_line=1593

import Base
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L
import bend-osdev-legacy-ciphers@0.1.0.0/blowfish.bend as BF

def bf_unop_op(o: BF.LcBfOp, b: L.LcBlock64) -> {b == BF.bf.unop(o, BF.bf.op(o, b)) : L.LcBlock64}:
  match o:
    case BF.LcBfRound{+p, +t}:
      match b:
        case L.LcBlock64{+l, +r}:
          %u32_xx(l, p) : {L.LcBlock64{l, r} == L.LcBlock64{_, U32.xor(U32.xor(r, BF.bf.f(t, U32.xor(l, p))), BF.bf.f(t, U32.xor(l, p)))} : L.LcBlock64}
          %u32_xx(r, BF.bf.f(t, U32.xor(l, p))) : {L.LcBlock64{l, r} == L.LcBlock64{l, _} : L.LcBlock64}
          {==}
    case BF.LcBfFinal{+p17, +p18}:
      match b:
        case L.LcBlock64{+l, +r}:
          %u32_xx(l, p17) : {L.LcBlock64{l, r} == L.LcBlock64{_, U32.xor(U32.xor(r, p18), p18)} : L.LcBlock64}
          %u32_xx(r, p18) : {L.LcBlock64{l, r} == L.LcBlock64{l, _} : L.LcBlock64}
          {==}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.xor
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend&name=u32_xx
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/blowfish.bend&name=LcBfOp
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/blowfish.bend&name=bf.f
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/blowfish.bend&name=bf.op
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/blowfish.bend&name=bf.unop
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=LcBlock64