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Train-ground wireless communication authentication key configuration system and method for urban rail traffic system

A technology for urban rail transit and vehicle-to-ground wireless communication, which is applied in wireless communication, railway traffic management, and operation center control systems, etc., and can solve problems such as video transmission interruption, train emergency parking, and being cracked, so as to enhance security, Enhanced reliability and availability to ensure safe operation

Active Publication Date: 2015-11-04
BEIJING JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Since the reconfiguration process of the authentication key is cumbersome and requires professional personnel, for example, the authentication key of the current urban rail transit is configured by the equipment supplier or integrator during commissioning and will never change. The risk or hidden danger of cracking
Once the authentication key is leaked or cracked, hackers can enter the CCTV / PIS system of urban rail transit, attack the network and cause interruption of video transmission; even attack the CBTC system through the interface between the CCTV / PIS system and the CBTC system, causing the train to stop in an emergency , seriously affecting the safe operation of urban rail transit

Method used

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  • Train-ground wireless communication authentication key configuration system and method for urban rail traffic system
  • Train-ground wireless communication authentication key configuration system and method for urban rail traffic system
  • Train-ground wireless communication authentication key configuration system and method for urban rail traffic system

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Embodiment Construction

[0031] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0032] like figure 2 A vehicle-to-ground wireless communication authentication key configuration system for an urban rail transit system shown mainly includes:

[0033] The key generation module generates the wireless authentication key through a random number generator or manually enters the wireless authentication key through the keyboard, and transmits the generated authentication key to the storage module for storage;

[0034] The storage module is used to save the wireless authentication key, which is used to query the user and provide it to the key configuration module. As a preference, the authentication key is encrypted by DES, 3DES, AES and other encryption algorithms and stored in the form of ciphertext , to prevent unauthorized users from reading; at the same time, it also saves the IP addresses of all v...

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Abstract

The invention provides a train-ground wireless communication authentication key configuration system and method for an urban rail traffic system. The method comprises: a key generation step of generating a wireless authentication key of a certain format through a certain way; a storage step of encrypting the wireless authentication key generated in the key generation step, storing the encrypted wireless authentication key in a cipher text form, and saving the IP addresses of vehicle-mounted (master and slave) and ground wireless communication equipment in a vehicle-ground wireless communication network of urban rail traffic; and a key configuration step of connecting with the vehicle-ground wireless communication network of urban rail traffic via an Ethernet interface to configure the wireless authentication key to the vehicle-mounted (master and slave) wireless communication equipment of a train and the trackside ground wireless communication equipment. Through update and reconfiguration of a wireless communication authentication key, leakage or cracking of the authentication key is avoided, and safe operation of urban rail traffic is ensured.

Description

technical field [0001] The invention relates to the technical field of information security of an industrial control system, in particular to a vehicle-to-ground wireless communication authentication key configuration system and method for an urban rail transit system. Background technique [0002] In the information security control technology of urban rail transit, the communication-based train control system (Communication Based Train Control, CBTC), video surveillance system (Closed Circuit Television, CCTV) and passenger information system (Passenger Information System, PIS) are widely used. Urban rail transit production system; of which: [0003] The CBTC system mainly completes the control function of the safe driving of the vehicle, the CCTV system is used to upload the images in the train in real time, and the PIS system is used to issue passenger notifications and operation information when the road network is abnormal. [0004] The current vehicle-to-ground wirel...

Claims

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Application Information

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IPC IPC(8): H04W12/04H04W12/06B61L27/00H04W12/041
CPCH04W12/04H04W12/06B61L2027/204B61L27/20
Inventor 赵红礼唐涛蒋海林朱力
Owner BEIJING JIAOTONG UNIV
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