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Digital certificate status cooperative query method, communication method and system

A technology of digital certificate and query method, applied in the direction of digital transmission system, wireless communication, transmission system, etc., can solve problems such as personal and social harm, and achieve the effect of reducing the number of concurrent and improving query efficiency.

Active Publication Date: 2022-02-11
ZHENGZHOU XINDA JIEAN INFORMATION TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The V2X application of the Internet of Vehicles, the Internet, and the mobile Internet will also face a variety of network security attacks. Attacks on the application of the Internet of Vehicles will bring greater harm to individuals and society

Method used

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  • Digital certificate status cooperative query method, communication method and system
  • Digital certificate status cooperative query method, communication method and system
  • Digital certificate status cooperative query method, communication method and system

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Embodiment Construction

[0049] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0050] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0051] Vehicle to X (V2X), that is, information exchange between vehicles and the outside world, is a key technology for future intelligent transportation systems. It enables vehicles to communicate...

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Abstract

The present invention proposes a digital certificate status collaborative query method, communication method and system, the method includes: a vehicle-mounted terminal a in area A 1 Broadcasting and sending V2X information; when the first V2X device in area A receives the V2X information, it triggers the formation of a certificate status request message body; the first V2X device sends the certificate status request message body to the certificate status query mechanism; The certificate status query mechanism acquires the status of the corresponding digital certificate and forms a certificate status response message body; the certificate status query mechanism returns the certificate status response message body to the first V2X device; the first V2X device broadcasts the certificate status The response message body is sent to other vehicle-mounted terminals in area A, and synchronized to the second V2X device in adjacent area B; the second V2X device broadcasts the certificate status response message body to all vehicle-mounted terminals in area B. The invention can realize the transmission and sharing of the certificate state response message body in multiple adjacent areas.

Description

technical field [0001] The invention relates to the field of digital certificates, in particular to a digital certificate state cooperative query method, communication method and system. Background technique [0002] V2X applications of the Internet of Vehicles, the Internet, and the mobile Internet will also face a variety of network security attacks. Attacks on Internet of Vehicles applications will bring greater harm to individuals and society. Security authentication technology is very important. It fundamentally establishes a trust system for vehicles, facilities, networks, and users, and realizes identity verification and message integrity verification. It is the first line of security defense for V2X applications in intelligent connected vehicles. [0003] Digital certificate is the main means to realize security authentication technology. Under normal circumstances, a car may have more types and more digital certificates, such as pseudonym certificates, application ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/06H04W4/44H04W4/46H04W12/069H04L9/32
CPCH04W4/06H04W4/44H04W4/46H04L9/3268
Inventor 周吉祥娄飞康亮吴永飞邬俊杰
Owner ZHENGZHOU XINDA JIEAN INFORMATION TECH
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