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In this paper, we propose a trust evaluation method for end devices in an edge computing environment, which combines node reputation and consensus mechanism to carry out the evaluation, considering energy trust, location trust, and interaction trust among nodes in direct trust evaluation, and selecting recently active nodes considering the time decay of node trust. To ensure the security of consensus, the initial reputation is determined by voting in the initial stage, which effectively resists malicious nodes from tampering with the reputation value at will. The proposed consensus verification module effectively alleviates the problem of master nodes falsely reporting the uploading of incorrect trust values and failing to objectively evaluate the target nodes. |
IEEE/ICACT20230252 Slide.15
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