程式語言 - Python - XOR Binary

參考資訊：
https://github.com/mmktomato/python-xor-cipher/blob/master/xor.py

import os
import sys
 
i = open(sys.argv[1], 'rb')
o = open(sys.argv[2], 'w+b')

while i.peek():
    o.write(bytes([ord(i.read(1)) ^ 0xff]))
o.close()