Multichannel encryption remote maintenance system based on industrial control network

Abstract

The invention discloses a multichannel encryption remote maintenance system based on an industrial control network. The system comprises a network control module, a single-channel encryption module, aremote monitoring and maintenance module and a channel multiplexing module, according to the system, an industrial control network communication mode is selected, normal communication among the system equipment is realized, before official communication, the method comprises the following steps: firstly, selecting any communication channel in an industrial control network to carry out encryptedtransmission on transmission content in the channel; performing multi-channel multiplexing on the encrypted communication channel, and multiplexing the encrypted communication channel to other unencrypted channels, thereby realizing multi-channel encryption in the industrial control network, and performing remote monitoring and maintenance on the system by system control personnel in a man-machineinteraction process, and monitoring system abnormality in real time. The remote maintenance system provided by the invention is high in safety, strong in operability and simple in operation, and provides a good reference for people during remote monitoring of an industrial control network.

Description

technical field [0001] The invention relates to the field of industrial communication security, in particular to a multi-channel encrypted remote maintenance system based on an industrial control network. Background technique [0002] With the continuous development of computer technology and communication technology, in the traditional industrial field, it is gradually developing towards the direction of networking. More and more applications combining industrial systems and computers provide many conveniences for industrial management. With the industrial control network The increase and wide coverage, the equipment that needs to be maintained is also increasing, which increases the difficulty of system maintenance. In the existing industrial control network maintenance system, people usually use the method of remote monitoring and maintenance to monitor and maintain the industrial communication network. monitoring and maintenance, but the existing monitoring and maintenan...

AI Technical Summary

Problems solved by technology

[0003] 1. In the prior art, people usually encrypt the communication line by means of password setting, identity verification, etc. Although this encryption method has certain security, it cannot avoid the problems of identity fraud and password theft, and the security of the system cannot be avoided. The security is not high enough, prone to information leakage and other problems;

[0004] 2. In the current system, there is only one connection mode between each module or each device. When the connection fails, it is easy to cause problems such as interruption of system communication, which will lead to a series of problems such as information loss and information blocking channels;

[0005] 3. In the existing technology, when a certain equipment in the system fails, the failure can only be repaired and repaired manually. If the repair is not timely, it will have a negative impact on the normal operation of the system;

[0006] 4. The existing method of encrypting the system is usually to encrypt the transmission data or encrypt the channel at the same time. The complexity of the encryption process increases the burden on the system operation and cannot achieve the optimal effect of the system.

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