#seecononline2019 import os from Crypto.Cipher import AES def crc32(crc, data): crc = 0xFFFFFFFF ^ crc for c in data: crc = crc ^ ord(c) for i in range(8): crc = (crc >> 1) ^ (0xEDB88320 * (crc & 1)) return 0xFFFFFFFF ^ crc key = b"" crc =…