python-加密（base64）

import base64   #base64也是用来加密的，但是这个是可以解密的
s = "username"
byte类型print(base64.b64encode(s.encode()) )  #加密
new_s = base64.b64encode(s.encode()) 
old_s = base64.b64decode(new_s).decode())


def bs64_data_encode(st):
    salt='jmy12345'
    new_str = str(st)+salt
    encode_str = base64.b64encode(new_str.encode()).decode()
    return encode_str
print(bs64_data_encode('老宋'))
def bs64_data_decode(st):
    salt='jmy12345'
    res = base64.b64decode(st).decode()
    res = res.replace(salt,'')
    return res
print(bs64_data_decode('6ICB5a6Lam15MTIzNDU='))