crypto200.py

import os
import tqdm
import cryptography
import base64
from multiprocessing import Pool

from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
from cryptography.hazmat.backends import default_backend

encrypted = base64.b64decode("U2FsdGVkX1+1KcLc+WlP8rcjdSP8DnOx/W1h+lww6rGCUVH4ghAuhSs+Xs9ShwJNEFlJ4IWDoG00T4LnAqIMrsY9EODHGc7Jv/Rn1lC/h7k=")
ct = encrypted[16:]

backend = default_backend()

def process_i(i):
    id = format(i, '07')
    iv = id + id + ("00" * 9)

    key = bytes(bytearray.fromhex("5C2C997C1C84AC01E500FDD00B8E03DB"))
    iv = bytes(bytearray.fromhex(iv))

    decryptor = Cipher(algorithms.AES(key), modes.CBC(iv), backend=backend).decryptor()
    out = decryptor.update(ct) + decryptor.finalize()

    name = out[0:7]
    if name.isalpha() and name.islower():
        print(id)
        print(name)
        print(" ")

if __name__ == '__main__':
    pool = Pool(os.cpu_count())

    total = 9999999 + 1

    for _ in tqdm.tqdm(pool.imap_unordered(process_i, range(total)), total=total):
        pass