Research And Design Of Internet Of Vehicles Security System

With the arrival of 5G technology,Internet of vehicles has been rapidly developed,and it also brings new security issues.Therefore,establishing a new truck security protection system has become the urgent task of the development of Internet of vehicles.This thesis has been designed and studied for Internet of vehicles security system.Its main research content is as follows:（1）In-depth analysis of the security communication protocol,combining the IPSec protocol with the L2 TP protocol to provide a security communication architecture suitable for the vehicle information security gateway to ensure the safety of data transmission when the vehicle moves.At the same time,in order to solve the safety problem of traditional Internet of vehicles identity certification,Internet of vehicles identity authentication scheme based on the blockchain is given by research and analysis of blockchain technology.（2）On the basis of analyzing the safety threats facing Internet of vehicles,the network layer,the application layer,the overall architecture of Internet of vehicles security system is designed.In order to simulate the true situation of Internet of vehicles,the perceived layer selection the related sensor design networking train,interconnected by the CAN bus and the security gateway to transmit sensor data.Network layer passes two hardware selection and software design by analyzing the functional requirements of the information security gateway.The application layer is based on the block identity authentication scheme based on the blockchain and is designed based on Hyperledger Fabric.（3）Implementation of the design of Internet of vehicles security system prototype system,the perceived layer is transplanted to the selected sensor based on Keil5,and the sensor data is finally converted into CAN frames to communicate.The network layer uses the L2 TP over IPsec-based security communication architecture proposed in this thesis to complete the deployment between the in-vehicle information security gateway and the cloud server.The application layer performs functional implementation of the design Internet of vehicles identity authentication system,and the system backend implements communication with the blockchain network by calling the intelligent contract.（4）Based on the Wireshark software grabbing security protocol encrypted data packets,through comparison analysis,the security protocol used can effectively protect the integrity and confidentiality of data.Using the AVISPA Verification Tool set that the design identity authentication scheme has undisible,anti-reproducibility and mutual certification,and performs performance analysis and functional testing of the system,which proves the rationality,effectiveness and practicality of the system.This thesis studies the design of Internet of vehicles security system,which can effectively reduce some security threats in the Internet of vehicles.The user can clearly understand the vehicle information through Internet of vehicles identity authentication system,and the trusted certification between the car-road-cloud is achieved by interacting with the blockchain network.