python 使用AES加解密

什么是AES自己百度查下吧，直接上代码喽！

![](https://img-blog.csdnimg.cn/c556c37d5fd345c2bf108206668c39ce.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBA5a6a5qC855qE6Z2S5pil,size_20,color_FFFFFF,t_70,g_se,x_16)

import base64

from Crypto import Random
from Crypto.Cipher import AES

"""
创建aes实例, 参数: key秘钥(16, 24, 32, 目前16就可以了); mode加密方式这里采用CBC(分组); iv位移, 使用自带AES.block_size代表16位
常见加密模式: CBC密码分组, CFB密码反馈, OFB输出反馈, ECB电码本(分段加密)
aes = AES.new(key, mode, iv)
aes.encrypt(plain_text) 加密
aes.decrypt(cipher_text) 解密
"""

class Encrypt:
"""AES加解密"""

def __init__(self, key):
     self.key = key
     self.iv = Random.new().read(AES.block_size)
     self.mode = AES.MODE_CBC

def encrypt(self, text):
     if len(text) % 16 != 0: #不是16的倍数，补足16的倍数
         text = text + abs(len(text) % 16 - 16) * ' '
     aes = AES.new(self.key, self.mode, self.iv)
     cipher_text = aes.encrypt(text)
     #  base64编码后返回
     return base64.b64encode(cipher_text)

def decrypt(self, text):
     aes = AES.new(self.key, self.mode, self.iv)
     text = base64.b64decode(text)
     plain_text = aes.decrypt(text)
     return plain_text.decode().rstrip()