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Protection method and suite for configuration project file of industrial control system

A technology for engineering documents and industrial control systems, applied in the field of network security, can solve the problems of industrial control systems being difficult to use forced encryption and decryption technology, configuration engineering leakage, etc., to achieve secure encryption and decryption methods, prevent brute force attacks, and avoid being stolen

Pending Publication Date: 2022-07-12
NARI INFORMATION & COMM TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a protection method and kit for configuration engineering files of industrial control systems, so as to solve the technical problems in the prior art that industrial control systems are difficult to use strong encryption and decryption technology, and there is a risk of leakage in configuration engineering

Method used

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  • Protection method and suite for configuration project file of industrial control system
  • Protection method and suite for configuration project file of industrial control system

Examples

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Embodiment 1

[0024] A protection method for industrial control system configuration engineering files, comprising encrypting and decrypting the prepared industrial control system configuration engineering files, obtaining a first industrial control system configuration engineering file and an encryption and decryption key, wherein the encryption and decryption keys include a password and a decryption key. salt value; encrypt and decrypt the password again, and save it in the first industrial control system configuration project file to generate the second industrial control system configuration project file; receive the second industrial control system configuration project file sent by the user who has forgotten the password. The manufacturer decrypts the password through the private key.

[0025] In this embodiment, the DES symmetric encryption and decryption method is used to encrypt and decrypt the prepared industrial control system configuration project file. The DES symmetric encrypti...

Embodiment 2

[0029] like figure 1 , figure 2 As shown, based on the protection method for industrial control system configuration engineering files described in the first embodiment, this embodiment provides a protection kit for industrial control system configuration engineering files, including a first configuration configured in the configuration software. The encryption and decryption module is used to encrypt and decrypt the prepared industrial control system configuration project file, and obtain the first industrial control system configuration project file and encryption and decryption key. The encryption and decryption key includes password and salt value; it is configured in the configuration software The second encryption and decryption module in the system is used to encrypt and decrypt the password again, and save it in the first industrial control system configuration project file to generate the second industrial control system configuration project file; The manufacturer ...

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Abstract

The invention discloses a protection method and suite for an industrial control system configuration project file in the technical field of network security, and the method comprises the steps: encrypting and decrypting a written industrial control system configuration project file to obtain a first industrial control system configuration project file and an encryption and decryption key, and the encryption and decryption key comprises a password and a salt value; encrypting and decrypting the password again, and storing the password in the first industrial control system configuration project file to generate a second industrial control system configuration project file; and the manufacturer receiving the second industrial control system configuration project file sent by the user who forgets the password decrypts the password through the private key. According to the method, the encryption strength of the configuration project file is improved, the conventional brute force attack can be prevented, and the leakage risk of the configuration project is reduced.

Description

technical field [0001] The invention belongs to the technical field of network security, and in particular relates to a protection method and a kit for industrial control system configuration engineering files. Background technique [0002] At present, in the industrial control system, all major manufacturers have their own configuration software, and the configuration engineering files are programmed through the configuration software. Normally, a password is required to open the configuration project file through the configuration software. Due to the design problem of the configuration software, the encryption and decryption of the configuration project is at risk of being bypassed. Once the industrial control system is breached, the encryption and decryption of the configuration project is bypassed and the configuration project is encrypted and decrypted, and the prefabricated backdoor program can cause damage to the operation system of the industrial control system. Du...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/60G06F21/62
CPCG06F21/602G06F21/6218G06F2221/2107Y02P90/02
Inventor 郑强杨维永刘寅罗黎明朱世顺魏兴慎齐敬郭于鹏李宽合陈忱栾国强丁晓玉徐杰
Owner NARI INFORMATION & COMM TECH
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