Solution to Cryptopals Challenge 4

gistfile1.py

import langdetect
from langdetect import detect

def ascii_hex_to_bytes(hex_input):
    return bytearray.fromhex(hex_input)
    
with open('Downloads/cryptopals-challenge4.txt') as f:
    xorinput=f.readlines()

xor2 = [line.strip() for line in xorinput]
xorinput = xor2

for line in xorinput:
    input_bytes=ascii_hex_to_bytes(line)
    for integer in range(0,256):
        candidate_xor = []
        for byte in input_bytes:
            candidate_xor.append(byte ^ integer)
        decoded="".join([chr(element) for element in candidate_xor])
        try:
            if 'en' in detect(decoded) and decoded.isascii():
                print(decoded)
        except langdetect.lang_detect_exception.LangDetectException:
            pass