本文研究的主要問題：有一個解密chrome cookie的事情，google出了程式碼，卻不能正常執行，原因在於sqlite3的版本太低，雖然我切換到了python3.5的環境，但sqlite3的版本也只有3.6。

google了許久，終於找到方法：

1、 進入頁面 http://www6.atomicorp.com/channels/atomic/centos/6/x86_64/RPMS/

2、 下載 atomic-sqlite-sqlite-3.8.5-2.el6.art.x86_64.rpm

3、 rpm -Uvh atomic-sqlite-sqlite-3.8.5-2.el6.art.x86_64.rpm

4、 執行命令 sqlite3 -version 一切都ok啦

順便附上解析cookie的程式碼

#coding=utf-8 
import os 
import sqlite3 
 
#import keyring 
from Crypto.Cipher import AES 
from Crypto.Protocol.KDF import PBKDF2 
 
#for mac 
#my_pass = keyring.get_password('Chrome Safe Storage','Chrome') 
#my_pass = my_pass.encode('utf8') 
#iterations = 1003 
#cookie_file = os.path.expanduser('~/Library/Application Support/Google/Chrome/Default/Cookies') 
 
#for linux 
my_pass = 'peanuts'.encode('utf8') 
iterations = 1 
cookie_file = 'Cookies' 
 
salt = b'saltysalt' 
length = 16 
iv = b' ' * length 
 
  
 
def expand_str(token): 
  token_len = len(token) 
  expand_len = (token_len // length + 1) * length - token_len 
  return token.encode('ascii') + b'\x0c' * expand_len 
 
 
def aes_encrypt(token): 
  key = PBKDF2(my_pass,salt,length,iterations) 
  cipher = AES.new(key,AES.MODE_CBC,IV=iv) 
  enc_token = cipher.encrypt(token) 
  return b'v10' + enc_token 
 
 
def aes_decrypt(token): 
  key = PBKDF2(my_pass,IV=iv) 
  dec_token = cipher.decrypt(token) 
  return dec_token 
 
 
def query_cookies(): 
  with sqlite3.connect(cookie_file) as conn: 
    sql = "select host_key,name,encrypted_value from cookies where name = 'jzysYonghu'" 
    #sql = "select * from cookies" 
    result = conn.execute(sql).fetchall() 
  return result 
 
 
def write_cookies(enc_token): 
  with sqlite3.connect(cookie_file) as conn: 
    b = sqlite3.Binary(enc_token) 
    sql = """update cookies set encrypted_value = ? where name = 'remember_token'"""  
    conn.execute(sql,(b,)) 
 
def change_user(token): 
  write_cookies(ase_encrypt(expand_str(token))) 
 
if __name__ == '__main__': 
  data = query_cookies()[0][2] 
  print(data) 
  print(len(data)) 
  print(aes_decrypt(data[3:])) 

加密後在字串前面添加了一個v10，因此解密前要先去掉

總結

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