Lightweight two-factor Internet of Vehicles bidirectional anonymous authentication system and method based on BS-PUF

Abstract

The invention discloses a lightweight two-factor Internet of Vehicles two-way anonymous authentication system and method based on BS-PUF, and relates to the field of Internet of Vehicles. The Internet of Vehicles has the characteristics of channel openness, node dynamics and the like, so that the Internet of Vehicles is easily subjected to potential threats such as sensitive information leakage, tampering, side channel attack and the like, and an identity authentication mechanism needs to be adopted to ensure communication security and user privacy. The invention provides a lightweight two-factor Internet of Vehicles two-way anonymous authentication system and method based on a BS-PUF. The system comprises a system initialization module, a registration module, an authentication module and a password updating module. According to the method, identity information privacy protection is realized by using random pseudonyms, an authentication protocol is constructed based on an elliptic curve, the node calculation amount of the Internet of Vehicles is effectively reduced, and lightweight and low-delay authentication is realized. By adopting the BS-PUF, not only is sensitive information storage reduced, but also side channel attacks can be resisted. And the password security is further improved by adopting a dynamic updating mechanism.

Description

technical field [0001] The invention belongs to the technical field of the Internet of Vehicles, in particular to a two-factor two-way anonymous authentication method for vehicles and roadside units under the Internet of Vehicles. Background technique [0002] The concept of the Internet of Vehicles was first proposed in 2009. It refers to the hardware devices on the vehicle, such as sensors, which realize the network connection between the vehicle and X (that is, the vehicle, personal equipment, roadside unit, network) through communication technology means, and control the vehicle. Operating status, providing users with intelligent comprehensive services, while improving traffic operation efficiency. [0003] In the Internet of Vehicles system, the data transmitted between vehicles and vehicles, people, roadside units, cellular infrastructure or sensors is a large amount of data about vehicle information and collaboration generated in real time, and data transmission relie...

AI Technical Summary

Problems solved by technology

This patent relies on the trusted center TA to generate an anonymous identity and a unique private key for the vehicle. The anonymous identity does not change randomly and cannot achieve a truly random anonymous effect.

In addition, the authentication message depends on private key encryption and decryption and digital signatures. Digital signatures, encryption and decryption require a large amount of time and computational costs, which is not an optimal solution in the application scenario of the Internet of Vehicles.

Images