#! /usr/bin/env python3

import sys
from Crypto.Cipher import AES

def read_b64file(filename):
    with open (filename, 'r') as f:
        data_b64 = f.read()
        data = base64.b64decode(data_b64)
    return data

def aes_cbc_encrypt(iv, data, key):
    cipher = AES.new(key, AES.MODE_ECB)
    pass

def aes_cbc_decrypt(iv, data, key):
    cipher = AES.new(key, AES.MODE_ECB)
    pass
    
