AES加密解密数据格式转化base64

from Crypto.Cipher import AES
import base64

def AESencry(text,y='abc'):
    if len(y)>=16:
        y=y[0:16]
    else:
        n=16-len(y)
        y=y+'0'*n
    print('密钥是',y)
    y=y.encode()
    iv = b'0123456789101112'
    text=text.encode()
    print('文本encode是',text)
    
    length=16
    count=len(text)
    if count < length:
        add = (length - count)
        text = text + ('\0' * add).encode()
    elif count > length:
        add = (length - (count % length))
        text = text + ('\0' * add).encode()
    print('文本填充后：',text)
    aes = AES.new(y,AES.MODE_CBC,iv)
    encryText=aes.encrypt(text)
    print('AES二进制加密>>>',encryText)
    encryText = base64.b64encode(encryText)
    print('AES加密base64>>>',encryText)
    encryText = encryText.decode()
    print('AES加密base64字符串>>>',encryText)
    return encryText


a='wo yao jiami'
b=AESencry(a)