Trust-Based Certificateless Privacy-Preserving Authentication in Internet of Vehicles

Abstract

Owing to the security requirements of Internet of vehicles (IOV), it is necessary to design a secure privacy-preserving scheme for communication. Traditional privacy-preserving schemes have two deficiencies. One is the high cost of computation and communication. Another is the inability to prevent the spread of malicious or modified messages. Motivated by those facts, we proposed a trust-based authentication scheme for certificateless privacy-preserving of IOV, based on the advantages of the short key, fast speed, and high security performance of elliptic curve cryptography (ECC). We proposed a method to replace the revocation list by authenticating trust to prevent broadcasting fake and altered massages. Our scheme can encrypt the message sent by the node while adopting a certificateless authentication method to complete the anonymous authentication function, which protects the privacy of the node information and effectively reduces the system storage load. In addition, aggregate signatures can effectively reduce computational and communication overhead. It is proven theoretically that the proposed scheme can satisfy correctness, anonymity, confidentiality of messages, and unforgeability of signatures. Therefore, this scheme is more suitable for the deployment and application of physical IOV.

Towards Efficient Federated Learning Using Agile Aggregation in Internet of Vehicles

“…Vehicles can obtain huge amounts of data (e.g., video data), and the circulation of data among vehicles is one of the most effective means to improve the efciency of data utilization and fully explore the value of vehicular data [5][6][7][8]. However, due to concerns about personal privacy data leakage, vehicle owners are unwilling to upload data to the data center, which hinders the fow of data and afects the development of the IoV industry [9][10][11][12].…”