Lamp control system communication protocol encryption method

A system communication and encryption method technology, applied in the field of communication protocol encryption of lighting control systems, can solve the problems of not easy to intercept and crack, increase network burden, etc., and achieve the effects of not easy to crack, improve security, and high security

Active Publication Date: 2019-08-02
南京格兰斯贝网络科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Compared with static key encryption, this dynamic key encryption method has higher security and is not easy to be intercepted and cracked. However, each time a dynamic key needs to send a special message to distribute the dynamic key to the receiving end, it increases network security. burden

Method used

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  • Lamp control system communication protocol encryption method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0044] 1. The user sets his own password for each lamp in the network, and the password is saved locally;

[0045] 2. When the sender needs to send data, frame according to the protocol;

[0046] 3. Generate an 8-bit key parameter I according to the sent frame information;

[0047] 4. Read the 16bit user password stored locally as the key parameter II;

[0048] 5. For the first sending, read the preset 8bit key parameter III, if it is not the first sending, read the updated key parameter III

[0049] 6. The three key parameters are combined into a 16-bit number, which is sent to the local key generator to generate the sending key;

[0050] 7. Use the sending key to encrypt the data to be transmitted and part of the frame header, add an 8-bit key parameter I to the header, and add a 16-bit CRC check digit to the tail to form a data frame and send it to the receiving end;

[0051] 8. After receiving the data, the receiving end obtains the key parameter I according to the firs...

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PUM

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Abstract

The invention relates to a lamp control system communication protocol encryption method in the field of computers. The method adopts a method of dynamically generating secret key encryption at a receiving end and a sending end. The sending end extracts a secret key parameter I dynamically generated by sending end data frame information to ensure that the sending secret keys are different each time. A private password by a user is used as a key parameter II to participate in the generation of the key, so that security is higher. A key parameter III transmitted next time is contained in the dataframe transmitted this time, and the receiving end is informed to update the key parameter III. In the first transmission, the key parameter III generates a key by adopting a preset initial value, and after the sending and receiving processes are completed each time, the key parameter III is updated at the receiving end and the transmitting end. According to the invention, messages specially distributed by keys can be reduced. In addition, the private password set by each user is used as the key parameter to participate in the generation of the key, so that the security can be improved.

Description

technical field [0001] The invention belongs to the field of computers and relates to a communication protocol encryption method of a light control system. Background technique [0002] In the existing communication protocol of the lighting control system, the existing dynamic encryption methods all need to periodically generate a dynamic key and send it to the receiving end after being encrypted with the public key. The encrypted data is then transmitted. After a certain period of time, the sender sends a message again to update the dynamic key. [0003] Compared with static key encryption, this dynamic key encryption method has higher security and is not easy to be intercepted and cracked. However, each time a dynamic key needs to send a special message to distribute the dynamic key to the receiving end, it increases network security. burden. Contents of the invention [0004] In view of this, the object of the present invention is to provide a communication protocol ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L29/06
CPCH04L9/0863H04L9/0891H04L63/0428
Inventor 王新宇时磊黎亚宇
Owner 南京格兰斯贝网络科技有限公司
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