from Crypto.Cipher import AES encryption and decryption

First, the code

from Crypto.Cipher import AES
import base64
"""
AES加密算法
"""
#加密
def encryt(str, key):
    BS = AES.block_size
    pad = lambda s: s + (BS - len(s) % BS) * chr(BS - len(s) % BS)
    cipher = AES.new(key, AES.MODE_ECB,str)
    msg = cipher.encrypt(pad(str))
    msg = base64.encodestring(msg)
    return msg

#解密
def decrypt(enStr, key):
    unpad = lambda s: s[0:-ord(s[-1])]
    cipher = AES.new(key, AES.MODE_ECB)
    decryptByts = base64.decodestring(enStr)
    msg = cipher.decrypt(decryptByts)
    msg=unpad(msg.decode())
    return msg


str="my name is maple"
key="ffm1111111111111"
res=encryt(str,key)
print(res)
pres=decrypt(res,key)
print(pres)