Quantum encryption communication method, device and equipment for rail transit signal system

Through quantum encryption communication method, the quantum cryptographic service platform is used to obtain and destroy the session key in the urban rail transit signal system, and the communication data of vehicles and site equipment is encrypted and decrypted, solving the security problems of the system in wireless communication and improving the data Transmission security and protection capabilities.

CN119316128AInactive Publication Date: 2025-01-14中电信量子信息科技集团有限公司
5 Cites -1 Cited by

Patent Information

Application Number
CN202411345058.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-01-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing urban rail transit signal systems lack effective anti-fake, tamper and eavesdropping capabilities in wireless communications, and are vulnerable to attacks and affect passengers and national security.

Method used

Using quantum encryption communication method, the session key is obtained from the quantum cryptographic service platform, the communication data between the vehicle and the site device is encrypted and decrypted, and the key is destroyed after the communication is disconnected, providing a symmetric quantum key distribution service. , ensure the security of data transmission.

Benefits of technology

It improves the security of vehicle-local communication, enhances anti-eavesdropping and anti-tampering capabilities, and improves the security operation guarantee of urban rail transit.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a quantum encryption communication method, device and equipment of a rail transit signal system, the rail transit signal system comprises a vehicle and station equipment, when the vehicle travels to the boundary of a communication area of the station equipment, a session key corresponding to the station equipment is acquired from a quantum cryptography service platform; encrypting the first communication data according to the session key; sending the encrypted first communication data and the secret key information to the site equipment, so that the site equipment obtains a session secret key according to the secret key information and decrypts the session secret key; receiving encrypted second communication data sent by the site equipment and decrypting the second communication data; and after the communication with the site equipment is disconnected, destroying the session key. According to the method, distribution of the vehicle-ground quantum keys can be effectively carried out, it is ensured that the vehicle and the ground can be safely and reliably distributed to the shared quantum keys, data encryption is carried out by using the quantum keys distributed through the method, the safety of vehicle-ground signal transmission can be effectively improved, and tamper-proof and anti-counterfeiting capabilities are achieved.
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Citation Information

Patent Citations

  • Rail transit signal system based on quantum encryption and communication method

    CN111669274A

  • Wireless communication method, device and communication equipment

    CN114630318A

  • Quantum encryption communication method and system applied to low-voltage transformer area

    CN117353905A

  • Rail transit CBTC quantum secret communication system operation method

    CN117676564A

  • Method for operating a track-bound traffic system

    US20200101992A1

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