풀이 #!/usr/bin/env python from base64 import b64decode from base64 import b64encode import socket import multiprocessing from Crypto.Cipher import AES from Crypto.Random import get_random_bytes from Crypto.Util.Padding import pad, unpad import hashlib import sys class AESCipher: def __init__(self, key): self.key = key def encrypt(self, data): iv = get_random_bytes(AES.block_size) self.cipher = AE..