Communication Encryption Method between Elevator Main Controller and Elevator Board Card

Abstract

The present invention relates to the field of elevator data transmission, and proposes a communication encryption method between an elevator main controller and an elevator board card, aiming at solving the problem of poor privacy of data exchange caused by plaintext transmission in data communication between the main controller and peripheral control boards, The problem of low security of data exchange between devices. The method includes: acquiring a plurality of first pre-stored data from a plurality of preset first storage units, and determining a first secret key according to a preset logic; acquiring a second pre-stored data from a plurality of preset second storage units data, and determine the second secret key according to the preset logic; obtain the dynamic secret key generated by triggering the dynamic password rule, and generate a secret key string based on the above-mentioned first secret key, the above-mentioned second secret key and the above-mentioned dynamic secret key; based on the above-mentioned The secret key chain uses encryption algorithms to perform encryption operations on the data to be processed. The invention effectively protects the communication data between the main controller and the peripheral control board from being cracked and broken through the multi-layer secret key, thereby ensuring the safety of the communication data and the safety of the elevator.

Description

technical field [0001] The invention relates to the field of data transmission of elevator control equipment, in particular to the field of data communication between an elevator main controller and peripheral control boards, and in particular to a communication encryption method between an elevator main controller and an elevator board. Background technique [0002] When the elevator is running, a large amount of data exchange needs to be carried out between the main controller of the elevator, the controller of the elevator hall call board and the controller of the car top board. The safety of the elevator is closely related to its running data. Therefore, encrypted communication is required to ensure the security of the communication data when exchanging data between the elevator main controller and the elevator's hall call board controller, car board controller and car top board controller. [0003] At present, most of the data transmission between the main controller of...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, that is, in order to solve the communication data between the main controller of the elevator, the controller of the hall call panel and the controller of the car top box, the privacy of the data exchange is poor due to the transparent transmission, and the data between the devices The problem of low exchange security

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