AES(高级加密)

#3.6安装  pip3 install pycryptodome

#mac     pip3 install pycrypto

a. 事例:　

############################### 加密 ##############################

    from Crypto.Cipher import AES

    def encrypt(message):

        key = b'dfdsdfsasdfdsdfs'                       #key必须是16的整数倍

        cipher = AES.new(key, AES.MODE_CBC, key)        #创建对象

        ----------------------------------------------

        #先转成字节,把数据拼够16字节的整数倍

        ba_data = bytearray(message,encoding='utf-8')   #把数据转成bytearray(byte的数组),bytearray只能追加数字,默认把数字转成字节

        v1 = len(ba_data)

        v2 = v1 % 16

        if v2 == 0:

            v3 = 16

        else:

            v3 = 16 - v2                                #v3是追加的长度

        for i in range(v3):

            ba_data.append(v3)                          #bytearray只能追加数字,默认把数字转成字节

        final_data = ba_data.decode('utf-8')

        ----------------------------------------------

        msg = cipher.encrypt(final_data)                #要加密的字符串，必须是16个字节或16个字节的倍数,加密后是byte格式

        return msg

############################### 解密 ##############################

    def decrypt(msg):

        key = b'dfdsdfsasdfdsdfs'

        cipher = AES.new(key, AES.MODE_CBC, key)

        result = cipher.decrypt(msg)                    #把加密后的字节解密成不加密的字节

        data = result[0:-result[-1]]

        return str(data,encoding='utf-8')

wuSir　　

AES(高级加密)

AES(高级加密)

相关文章