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ICACT20230252 Question.1
Questioner: 7022211005@mhs.its.ac.id    2023-02-21 오후 3:13:28 		ICACT20230252 Answer.1
Answer by Auhor 1713147519@qq.com   2023-02-21 오후 3:13:28
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Dear authors, would you like to explain briefly what are your contributions in this research? thank you Due to the numerous terminal devices in a power network environment, it is difficult to defend against the attack of malicious nodes, like deception and data tampering in common trust models. A terminal trust assessment method based on consensus trust aggregation is proposed in this paper. Aimed at the direct trust of a goal node, standard quantitative trust value is predicted based on records of historical access nodes after filtering great trust factors. Trustworthy consensus nodes are selected to participate in the feedback trust consensus module. The consensus trust verification module is designed to ensure the security of the consensus, including consensus verification and malicious node replacement. The simulation results demonstrate the proposed method can reflect the trust level of terminal nodes more effectively, which has a better constraint on suspicious nodes.
ICACT20230252 Question.2
Questioner: a9991204@gmail.com    2023-02-22 오후 12:33:34 		ICACT20230252 Answer.2
Answer by Auhor 1713147519@qq.com   2023-02-22 오후 12:33:34
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Dear author,I have an example,when we use a new device or change the password to access the edge server,could it be judge the device is a malicious node,or it has a range to judge it is a malicious node or not? In response to your question, since the new device has no historical access record, the security of the device cannot be preliminarily judged based on the past access record. Secondly, the behavior of changing the password will generate many attribute characteristics, such as the date and numbers of changes, which can help further determine whether the node is malicious. In this paper, to monitor whether the device is a malicious node, the comprehensive trust value of the node is weighted based on the direct trust value and the consensus trust value, which can be used to describe the reliability of the device.