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A method of vehicle identity authentication that equally divides the amount of RSU calculation

A vehicle identity and authentication method technology, applied in the field of vehicle identity authentication, can solve problems such as the inability to guarantee service quality, system safety and reliability, and the influence of vehicle distribution conditions, and achieve the effect of improving service quality.

Active Publication Date: 2018-04-27
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Second, the distribution of vehicles is also affected by some emergencies
Both of these reasons will result in the number of vehicles surrounding some RSUs exceeding the number of vehicles that the RSU can serve
Therefore, the traditional RSU method of authenticating vehicles in the service area cannot guarantee the quality of service and the safety and reliability of the system

Method used

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  • A method of vehicle identity authentication that equally divides the amount of RSU calculation
  • A method of vehicle identity authentication that equally divides the amount of RSU calculation
  • A method of vehicle identity authentication that equally divides the amount of RSU calculation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0048] Step 1: The on-board unit OBU calculates and marks the processing level of the message to be sent, generates a signature, and sends it to the surrounding RSUs.

[0049] A vehicle V i On-board unit OBU i , generating a message M to be sent i ={Location E119.27N32.12}, the content is that the vehicle reports the geographic location of the vehicle. On-board unit OBU i Query to get the vehicle V i Service Level S i = 2, this message does not need to be answered, so T Mi = 0, the message type level C of the message Mi =3. by the formula P Mi =T Mi |(C Mi *S i ) to obtain the message processing level P of the message Mi =0.

[0050] On-board unit OBU i by the formula H Mi =hash(M i ||P Mi ) to generate message M i and message processing level P Mi The 256-bit numeric digest is:

[0051] h Mi ={C458428D7668B56B848E51FBABD8EAB6C0641622B078C8BBC54D5E422217B733} On-board unit OBU i By the formula σ Mi =E(PriK i ,H Mi ) to generate message M i and message...

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Abstract

The invention discloses a vehicle identity authentication method for equally dividing RSU calculation amount, which includes the following steps: the vehicle marks and sends a message, including calculating the processing level for the message, generating a message signature, and generating a processing level signature; a regional server coordinates the RSU, and the steps include: It is divided into a coordination period and a working period; the computing agent RSU assists the commissioned RSU to authenticate the vehicle message; the regional server verifies the message processing level of the vehicle.

Description

technical field [0001] The invention relates to the Internet of Vehicles technology, in particular to a vehicle identity authentication method for equally sharing RSU calculation amount. Background technique [0002] With the popularization of automobiles and the leapfrog development of road traffic in China, automobile manufacturers and communication service providers have deployed communication facilities on vehicles and roads to provide various services for vehicles on the road to improve driving safety and comfort of drivers and passengers. , and optimize traffic. The equipment arranged on the vehicle is called OBU (Onboard Units), and the equipment arranged on the side of the road is called RSU (Roadside Units), which builds a vehicle ad hoc network VANET (Vehicle Ad HocNetwork). VANET includes two types of communication: vehicle-to-vehicle communication V2V (Vehicle To Vehicle) and vehicle-to-infrastructure communication V2I (Vehicle To Instruction). Generally, RSUs ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/32H04L29/06H04L29/08
Inventor 叶德禄王良民韩志耕陈向益刘怡良殷康红石亚丽
Owner JIANGSU UNIV
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