Gateway authorization method based on MD5 and RC4 encryption and zmq communication

Abstract

The invention discloses a gateway authorization method based on MD5 and RC4 encryption and zmq communication. A zmq link is established between a gateway protocol configuration system and gateway equipment; the gateway protocol configuration system generates a first device key (DeviceKey) from the user information and the hardware information according to an MD5 encryption algorithm, and the gateway device generates a second device key (DeviceKey) from the user information and the hardware information according to the MD5 encryption algorithm; the gateway protocol configuration system verifies the first device key DeviceKey and the second device key DeviceKey, and if the verification is passed, the gateway protocol configuration system encrypts gateway configuration information through an RC4 and an MD5 and then issues the encrypted gateway configuration information to the gateway device; and the gateway device decrypts the gateway configuration information and carries out overall verification, if the verification is passed, gateway configuration is carried out according to the configuration information, and if the verification is not passed, security log recording and abnormity reporting are carried out, so that the security of the overall industrial gateway system device is improved.

Description

technical field [0001] The invention belongs to the technical field of gateway encryption, in particular to a gateway authorization method based on MD5, RC4 encryption and zmq communication. Background technique [0002] Network security has always been a very important technical problem for industrial gateways. In the Internet era, the network has brought us great convenience, and industrial sites have gradually realized intelligence and networking. Compared with other industries, industrial sites use Industrial gateways have higher requirements for network security. [0003] For industrial sites, once the site is determined, the network configuration, user password permissions, and gateway applications should be fixed to ensure the reliability and stability of the entire industrial site system for gateway applications. [0004] At present, there are many existing network encryption methods. The more commonly used ones are MD5, RSA, DES, AES, etc. The existing encryption a...

AI Technical Summary

Problems solved by technology

[0005] The original industrial gateway encryption algorithm generally uses a single device network card MAC information, CPU serial number or hard disk ID single hardware information to achieve encryption, and for the device itself, it uses the user name and password to realize management, so that it is easy to replace the secret key. , it is not convenient for user management, and the risk of single authentication is high

[0006] For the interaction between the configuration file generation system and the gateway, the traditional way of generating and sending the overall file has a large amount of interactive information. Once the configuration is changed, the overall protocol configuration program needs to be changed, and the network data transmission volume is relatively large.

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