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Information security and confidentiality method and device for rail transit on-board signal control system

A signal system and signal control technology, which is applied in the direction of safety communication device, railway signal and safety, transportation center control system, etc., to achieve the effect of improving information security, improving information security level, and avoiding single-point failure of equipment

Active Publication Date: 2022-07-12
CASCO SIGNAL
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

At present, the communication layer of train-to-ground wireless only adopts general standard encryption technology, but the transmitted application messages related to train operation control only use integrity check technology. In order to improve the security of application layer information, it is necessary to increase the application layer encryption technology to Improve the overall information security level of the vehicle signal control system

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  • Information security and confidentiality method and device for rail transit on-board signal control system
  • Information security and confidentiality method and device for rail transit on-board signal control system
  • Information security and confidentiality method and device for rail transit on-board signal control system

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Embodiment Construction

[0039] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0040] This scheme adds Chinese domestic password protection technology to the vehicle signal system part of the communication-based train control system (including but not limited to CBTC system, CTCS system with train-ground communication function, ETCS system, ITCS system and PTC system, etc.), including Add domestic encryption chip hardware and software, the chip interface is bus interface or USB interface or other digital interface, using S...

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Abstract

The invention relates to a method and device for information security and confidentiality for a rail transit on-board signal control system. The method adds a domestic password protection technology to the on-board signal system part of a communication-based train control system, and the on-board signal system adds a domestic password protection technology. After that, the workflow of the security method includes a chip filling phase, a certificate revocation list update phase, an identity authentication and session key negotiation phase, and an application data communication phase. Compared with the prior art, the present invention applies the data encryption technology to the end-to-end application layer equipment of the vehicle-ground wireless communication of the signal system, thereby improving the information security level of the vehicle-ground wireless communication and the like.

Description

technical field [0001] The invention relates to a method and device for information security and confidentiality, in particular to a method and device for information security and security used in a rail transit vehicle-mounted signal control system. Background technique [0002] In the communication-based rail transit train control system, its on-board controller communicates with the trackside system through the train-ground wireless system, obtains information related to train operation control, performs train control calculations, and outputs train control commands. The physical medium of its transmission exists in the open space, and there is a certain risk of unauthorized access, and its security communication standard must meet the requirements specified in EN50159-2. At present, only the general standard encryption technology is used in the communication layer of the vehicle-ground wireless, but only the integrity check technology is used for the transmitted applicat...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/40H04L9/32H04L9/08B61L27/00
Inventor 徐烨戴虎杨海东汪小勇
Owner CASCO SIGNAL
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