Message reliability evaluation method for aggregation of two trust evaluations in car networking
A vehicle networking and reliability technology, applied in the field of vehicle networking security, can solve problems such as actual performance limitations, ignoring trust, and ignoring data-oriented trust, and achieves the effects of fast evaluation speed, high dynamic characteristics, and accurate evaluation results.
Active Publication Date: 2019-01-11
JINAN UNIVERSITY
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The present invention discloses a message reliability evaluation method for aggregation of two trust evaluations in car networking. A trust center is configured to maintain trust information of vehicles, and the vehicles require the newest trust certificates themselves at a fixed period, message publishers carry the newest trust certificates when sending the messages to prove the trustworthiness themselves; a message receiver extracts the trust certificates and integrally considers the message of the plurality of message publishers to determine the reliability after receiving each message, generate one trust feedback for each message publisher and send the trust feedbacks to the trust center, and then the trust center updates the trust feedbacks and locally store the trust feedbacks. The message reliability evaluation method for aggregation of two trust evaluations in car networking can effectively aggregate the two trust evaluations with no need for requiring the trust center by the message receivers in real time so that the evaluation result is more accurate and the evaluation speed is faster, the condition that the vehicles cannot be connected with the trust center in a short time can be compatible, and the message reliability evaluation method for aggregation of two trust evaluations in car networking more accord with the high dynamic features of the car networking.
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Dynamic featureTrustworthiness +3
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