Internet of Vehicles system based on block chain and working method

Abstract

The invention provides an Internet of Vehicles system based on a block chain. The system comprises a certificate issuing mechanism, a vehicle-mounted unit deployed on a vehicle, a block chain networktaking a roadside unit as a peer node, and a cloud server for providing cloud service for the vehicle-mounted unit and the roadside unit. The working process of the system comprises four stages of vehicle registration, vehicle authentication, vehicle announcement and vehicle forwarding. The system provided by the invention has the characteristics of distribution, data collective maintenance, no tampering and conditional privacy protection. Meanwhile, a vehicle identity privacy protection method, a malicious vehicle responsibility investigation method and a transaction data storage method are provided, so that the problems of dependence on trusted third parties and mutual trust between entities in the traditional Internet of Vehicles architecture can be effectively solved.

Description

technical field [0001] The present invention relates to the field of blockchain, and more specifically, to a blockchain-based car networking system and working method. Background technique [0002] With growing concerns about vehicle privacy and authentication issues, there are two main issues in building an effective vehicular communication network. First of all, all messages must be published or forwarded anonymously in the Internet of Vehicles, because these messages usually contain important sensitive information or communication data of users, such as location, identity, etc. Second, although most of the research on IoV has focused on conditional privacy and authentication, it lacks effective authentication, sufficient scalability, and relies on centralized authorization. The traditional Internet of Vehicles architecture is based on a centralized system. Vehicle registration, identity verification and revocation, and vehicle announcements all rely too much on trusted t...

AI Technical Summary

Problems solved by technology

Second, while most of the research on Internet of Vehicles has focused on conditional privacy and authentication, it lacks effective authentication, sufficient scalability, and relies on centralized authorization.

The traditional Internet of Vehicles architecture is based on a centralized system. Vehicle registration, identity verification and revocation, and vehicle announcements all rely too much on trusted third-party entities, which are easily attacked by opponents and have serious data security risks. If the third-party entity is breached, the user's private information will also be leaked, thereby leaking important sensitive information such as vehicle identity and communication data

In addition, the sharp increase in the amount of communication data also makes the central entity overloaded, facing the risk of a single point of failure

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