PROOF.li.mask_xor: def of bend-osdev-cipher-modes@0.1.0.0
Import: import bend-osdev-cipher-modes@0.1.0.0/PROOF.bend as PROOF
Lines 1620-1631 of bend-osdev-cipher-modes@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-cipher-modes@0.1.0.0/PROOF.bend&start_line=1620&end_line=1631

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M

def li.mask_xor(xs: List<&2, U32>, ys: List<&2, U32>) -> {B.mask(M.cm.xor_bytes(xs, ys)) == M.cm.xor_bytes(xs, ys) : List<&2, U32>}:
  match xs:
    case Nil{}:
      {==}
    case Con{+a, +s}:
      match ys:
        case Nil{}:
          {==}
        case Con{+b, +t}:
          %bits.byte_byte(U32.xor(a, b)) : {Con{B.byte(B.byte(U32.xor(a, b))), B.mask(M.cm.xor_bytes(s, t))} == Con{_, M.cm.xor_bytes(s, t)} : List<&2, U32>}
          %li.mask_xor(s, t) : {Con{B.byte(B.byte(U32.xor(a, b))), B.mask(M.cm.xor_bytes(s, t))} == Con{B.byte(B.byte(U32.xor(a, b))), _} : List<&2, U32>}
          {==}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.xor
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=byte
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=mask
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/PROOF.bend&name=bits.byte_byte
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend&name=cm.xor_bytes