Motorcade safety management system and method based on ring signature and vehicle management platform

Abstract

The invention belongs to the technical field of Internet of Vehicles, and discloses a motorcade safety management system and method based on ring signatures, and a vehicle management platform. identity-based ring signatures are performed on the identities of motorcade members on the basis of an elliptic curve. Hiding and public key updating are conducted on identities of motorcade members throughthe elliptic curve, the block chain and the ring signatures, the identities of the message senders are authenticated, and session keys are updated; the block chain is utilized to publish a public keycertificate and a reputation value of the vehicle; The vehicle inquires the public key, the public key validity and the current reputation value of the surrounding vehicles through the roadside unit,so that the addition of malicious vehicles is avoided; Updating of the public key can prevent information from being intercepted and tampered by malicious vehicles when the private key of the user issubjected to security threats. The privacy of registered users and the privacy of motorcade members are effectively prevented from being leaked, and the communication safety of the members in the motorcade is ensured.

Description

technical field [0001] The invention belongs to the technical field of Internet of Vehicles, and in particular relates to a ring signature-based fleet safety management system and method, and a vehicle management platform. Background technique [0002] Currently, the existing technology commonly used in the industry is this: With the development of the automobile industry and urbanization, the number of vehicles is increasing rapidly. It is estimated that there are currently more than 1 billion cars registered worldwide. This number will double in the next 10 to 20 years. This phenomenon has led to the further aggravation of key problems of modern transportation systems, such as traffic congestion, traffic accidents, energy waste and air pollution. The cost of traffic congestion often outweighs the cost of wasted fuel and time; vehicle emissions from traffic congestion have also been identified as a key contributor to air pollution. While investing in road construction ca...

AI Technical Summary

Problems solved by technology

[0004] (1) There are many types of existing identity-based ring signature schemes, but most of them are based on bilinear pairing operations, and there are many problems in terms of security and operation speed

[0005] (2) Two main problems faced by the ring signature system under the traditional public key infrastructure (PKI) framework: first, the management of user public key certificates

When the number of users in the ring is large, the efficiency of signing and verification will be seriously affected

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