PROOF.cbc_rt_des: 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 8634-8642 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=8634&end_line=8642

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/des.bend as D
import bend-osdev-legacy-ciphers@0.1.0.0/modes64.bend as X

def cbc_rt_des(+k: D.LcDesKey, bs: List<&2, L.LcBlock64>, +iv: L.LcBlock64) -> {bs == X.m64.cbc.dec(~D.LcDesKey, ~D.LcDes.decrypt, k, X.m64.cbc.enc(~D.LcDesKey, ~D.LcDes.encrypt, k, bs, iv), iv) : List<&2, L.LcBlock64>}:
  match bs:
    case Nil{}:
      {==}
    case Con{+p, +t}:
      %des_rt(k, L.LcBlock64.xor(iv, p)) : {Con{p, t} == Con{L.LcBlock64.xor(iv, _), X.m64.cbc.dec(~D.LcDesKey, ~D.LcDes.decrypt, k, X.m64.cbc.enc(~D.LcDesKey, ~D.LcDes.encrypt, k, t, D.LcDes.encrypt(k, L.LcBlock64.xor(iv, p))), D.LcDes.encrypt(k, L.LcBlock64.xor(iv, p)))} : List<&2, L.LcBlock64>}
      %b64_xx2(iv, p) : {Con{p, t} == Con{_, X.m64.cbc.dec(~D.LcDesKey, ~D.LcDes.decrypt, k, X.m64.cbc.enc(~D.LcDesKey, ~D.LcDes.encrypt, k, t, D.LcDes.encrypt(k, L.LcBlock64.xor(iv, p))), D.LcDes.encrypt(k, L.LcBlock64.xor(iv, p)))} : List<&2, L.LcBlock64>}
      %cbc_rt_des(k, t, D.LcDes.encrypt(k, L.LcBlock64.xor(iv, p))) : {Con{p, t} == Con{p, _} : List<&2, L.LcBlock64>}
      {==}

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend&name=b64_xx2
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/PROOF.bend&name=des_rt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/des.bend&name=LcDes.decrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/des.bend&name=LcDes.encrypt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/des.bend&name=LcDesKey
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=LcBlock64
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend&name=LcBlock64.xor
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/modes64.bend&name=m64.cbc.dec
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-legacy-ciphers@0.1.0.0/modes64.bend&name=m64.cbc.enc