Internet of Vehicles vehicle reputation updating method based on updating interval dynamic adjustment

Abstract

The invention discloses an Internet of Vehicles vehicle reputation updating method based on updating interval dynamic adjustment, and the method comprises the following steps that an evaluation vehicle triggers reputation updating according to a preset initial updating time interval, and initializes a dynamic adjustment function of the next round of updating time interval; the evaluation vehicle records interaction evaluation, counts malicious interaction times, and collects reputation update information between neighbor vehicles; the evaluation vehicle calculates the comprehensive trust degree and reliability of the target vehicle; the evaluation vehicle calculates the next round of updating time interval; if the reliability of the comprehensive trust degree is higher than a reliability threshold, the reputation of the target vehicle is updated, otherwise, the reputation updating is stopped; and the evaluation vehicle completes reputation updating of all target vehicles in the currentround, and triggers a dynamic adjustment function of the next round of updating and initializes the next round of updating time interval in a timing manner according to the obtained updating time interval. Malicious vehicles are prevented from adapting to reputation updating rules, and reputation detection is bypassed by controlling the malicious behavior proportion.

Description

Technical field [0001] The present invention relates to the field of information security technology, particularly relates to a method for updating credit Telematics vehicle based dynamic adjustment of the update interval. Background technique [0002] On-board self-organizing network (Vehicular Ad-hoc Networks, VANETs), the trust is defined as a vehicle to perform a specific information exchange trust of another vehicle. Credit mechanism is based on trust value assessment of the credibility of the vehicle, whether the vehicle is detected malicious. Reputation management plays an important role in VANETs because it allows each car before the message received to take action to assess the reliability of the other vehicle, in order to avoid the serious consequences caused by false information. However, malicious behavior of the vehicle is not stable, they can control their own malicious behavior patterns and changes in the normal pattern of behavior for the update rule reputation me...

AI Technical Summary

Problems solved by technology

[0006] However, none of the existing technologies can prevent malicious vehicles from adapting to reputation update rules and bypassing reputation detection by controlling the proportion of malicious behaviors.

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