ЯсноПонятно24

#!/usr/bin/python
from Crypto.Cipher import AES
import hashlib

cipher_text = b'\xeeG\x7fz\x1f\x05\xfd\\xcbe\xd5\xb0\xea\x8b?\xe10\x81\xabW\x00z\xfe|\xdd\x0c\x9ejO>O\xb2'

for i in range(0, 999):
    key = hashlib.sha256(bytes(i)).digest()
    aes = AES.new(key, AES.MODE_EAX)
    BS = AES.block_size
    unpad = lambda s: s[:-ord(s[len(s) - 1:])]
    iv = cipher_text[:BS]
    cipher = AES.new(key, AES.MODE_CBC, iv)
    plain_text = unpad(cipher.decrypt(cipher_text[BS:]))
    if plain_text == b'':
        continue
    print(f"For key {i}: ", plain_text)