stuff

stuff.py

import re
import itertools

RES = []

def xor(var, key):
    return bytes(a ^ b for a, b in zip(var, key))

def xorbyte(b):
     r = []
     for n in range(0, 256):
         x = hex(n).replace("0x", "")
         if len(x) < 2:
             x = "0"+x
         key = bytes.fromhex(x)
         try:
             res = xor(b, key).decode('utf-8')
             if re.match('[ -~]', res):
                 r.append(res)
         except UnicodeDecodeError:
             pass
     return r
         
with open("test.txt.enc", "rb") as f:
    while (b := f.read(1)):
        r = xorbyte(b)
        if r:
            RES.append(r)    

for i in itertools.product(*RES):
    print(''.join(i))