FPGA-based information security maintenance method

A technology for maintaining information and security, applied in the field of maintaining information security based on FPGA, can solve the problems of severe security situation, weak information security protection capability, lack of information security protection measures, etc., and achieve the effect of continuous, reliable and normal operation

Active Publication Date: 2020-02-14
CHINA NUCLEAR CONTROL SYST ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There is a big difference between the information security of the power industry and the traditional information security, and the level of nuclear power safety technology and protection capabilities is still in its infancy, causing the electrical monitoring system of nuclear power plants to face greater inf

Method used

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Embodiment Construction

[0064] The technical solutions of the present invention will be described in detail below in conjunction with specific embodiments.

[0065] A method for maintaining information security based on FPGA is applied to a control system of a nuclear power plant, and an engineer station communicates with a plurality of control stations through a network; comprising the following steps:

[0066] (1) The engineer sends data to the control station

[0067] (1.1) Data format delivered by the engineer station

[0068] The data packet sent by the engineer station to the control station consists of a header, data payload, and checksum;

[0069] The data format of the data packet sent by the engineer station to the control station meets the following conditions:

[0070] The field SYN indicates the preamble; the number of bytes is: 7; value: 7 0x55H;

[0071] The field SFD indicates the frame boundary; the number of bytes is: 1; value: 0xD5;

[0072] Field DA indicates the MAC destinati...

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Abstract

The invention belongs to the technical field of industrial control systems, and particularly relates to an FPGA-based maintenance information security method. According to the technical scheme, the FPGA-based maintenance information security method can strengthen data security of a distributed control system (DCS) and an engineer station, encrypt and sign communication, and ensure that the controlsystem can still normally and reliably operate when receiving malicious attacks.

Description

technical field [0001] The invention belongs to the technical field of industrial-grade control systems, and in particular relates to an FPGA-based method for maintaining information security. Background technique [0002] With the wide application of computer systems and other digital devices in the industrial field, especially the deep integration of informatization and industrialization and the rapid development of the Internet of Things, the network, informatization and intelligence level of power monitoring system products have been further improved. With the development of computer and network technology, power monitoring system products connect to public networks such as Internet+, threats such as viruses and Trojan horses are spreading to electrical systems, security incidents in power industry systems have increased significantly, and the number of system security vulnerabilities has continued to increase. As an important part of the power system, nuclear power plan...

Claims

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Application Information

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IPC IPC(8): G06F21/60G06F21/64
CPCG06F21/602G06F21/606G06F21/64
Inventor 梁成华刘志凯钱一名张柯王冬胡义武郭震赵爽蒲永杰
Owner CHINA NUCLEAR CONTROL SYST ENG
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