Confusion data aggregation privacy protection method, system, device, medium and terminal

Abstract

The invention belongs to the technical field of cognitive Internet of Vehicles cooperative spectrum sensing data privacy protection, and discloses a confusion data aggregation privacy protection method, a system, a device, a medium and a terminal.The confusion data aggregation privacy protection method comprises the steps that a vehicle user conducts local sensing according to the running path and spectrum distribution condition of the vehicle user; a third-party sorter sorts the vehicle users to complete establishment of an anonymous queue; the user performs data interaction with previous and later users to realize data segmentation and confusion; the user performs ring signature on the data and sends the data to the aggregation center; the aggregation center verifies the legality of the ring signature and aggregates the encrypted confusion data; and the aggregation center decrypts the ciphertext by using the private key to obtain an aggregation result. The confusion data aggregation privacy protection method provided by the invention has the advantage of high attack resistance, and can be realized by means of multiple times of casual transmission interaction in an environment without a credible authentication center, so that the safety of user information is ensured, and information leakage is prevented.

Description

technical field [0001] The invention belongs to the technical field of privacy protection of spectrum sensing data in cognitive vehicle networking cooperation, and in particular relates to a privacy protection method, system, device, medium, and terminal for confusing data aggregation. Background technique [0002] At present, with the rise of the Internet of Everything and the concept of smart cities, intelligence and networking are gradually becoming an important direction for the development of the vehicle industry. The Internet of Vehicles provides a platform for the Internet of Vehicles technology. Different from the parallel development trajectory of traditional vehicles and communication networks, the Internet of Vehicles technology integrates the body (vehicle) and the brain (computer network). The vehicle collects and captures information and transmits it to the network. The network reacts to the vehicle through a collaborative system. Networks and computer network...

AI Technical Summary

Problems solved by technology

[0005] (1) Existing privacy protection methods have relatively high overhead and relatively high requirements on the network

[0006] (2) The risk of privacy leakage brought about by the positioning function of the Internet of Vehicles itself is unavoidable

[0008] The difficulty and significance of solving the above problems and defects are as follows: the existing privacy protection methods are expensive and have relatively high requirements for the network

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