A method for routing security and privacy protection in a hybrid wireless mesh network
A routing and security technology, applied in the field of routing security and privacy protection, can solve the problems of lack of privacy information protection, inability to resist internal attacks, lack of terminal node participation and energy consumption of routing paths, etc., to enhance fault tolerance and survivability, Improve accuracy and achieve the effect of privacy protection
Active Publication Date: 2018-01-23
FUJIAN NORMAL UNIV
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[0008] However, the above achievements still have the following deficiencies: (1) lack of identification and management of internal malicious nodes, unable to resist internal attacks; (2) lack of protection of private information; (3) lack of consideration of the participation and Energy Consumption of Routing Paths
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[0035] Below in conjunction with accompanying drawing, the specific implementation manner of technical scheme of the present invention is described in further detail:
[0036] Implementation step 1:
[0037] Firstly, the wireless Mesh node x constructs the routing request information (PREQ), broadcasts it to the adjacent neighbor nodes, and starts the routing establishment initialization process;
[0038] Implementation step 2:
[0039] If a neighbor node y receives the PREQ of x, it will start a dynamic reputation mechanism based on subjective logic to evaluate whether node x is trustworthy, and the evaluation result is represented by t i The comprehensive reputation evaluation result of time y to x Indicates that while setting γ1 ,γ 2 ( 1 2 ,γ 1 ,γ 2 ∈[0.0,1.0]) is the threshold value of credibility. in for t n The evaluation result of the direct reputation of x at time y. Consider the impact of time on node reputation evaluation, will be calculated by formula ...
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The invention discloses a method for routing security and privacy protection of a mixed wireless Mesh network, wherein the method is based on a dynamic reputation mechanism and comprises route setup and route maintenance. The method mainly comprises the steps of firstly starting a route setup process, secondly carrying out credibility assessment on nodes and recording assessment results, adopting hierarchical encryption and a hierarchical key management protocol in a key transmission process among the nodes to guarantee safety transmission of data, establishing a route assessment model by combining creditworthiness, security levels and node energy consumption when multiple paths exist, and selecting the optimum route thereby. According to the method for the routing security and the privacy protection of the mixed wireless Mesh network, the actions of the nodes can be reflected dynamically and more accurately, accuracy for recognizing malicious nodes is improved, efficient management is carried out on the malicious nodes, and thus the fault-tolerant capability and the survival capacity of a network are improved. Meanwhile, demands on privacy protection and energy saving in a path selection process can be met by combining the new hierarchical key management protocol and a hierarchical encryption method provided in the method and a node energy consumption assessment model.
Description
technical field [0001] The invention relates to the field of routing security and privacy protection, in particular to a method for routing security and privacy protection of a hybrid wireless Mesh network. Background technique [0002] Hybrid Wireless Mesh Network (HWMN) is the network structure with the best application prospect in Wireless Mesh Network (WMN). With the continuous expansion of the application scope of HWMN, the network security threats it faces become increasingly prominent. At the same time, more and more private information will appear in HWMN, and the disclosure of these private information will bring serious consequences to individuals, society and the country. Therefore, network and privacy security is a problem that needs to be focused on and solved in HWMN, and it is the premise and basis for ensuring that HWMN can further develop and provide more network services. [0003] Routing protocol, as an important part of HWMN, is the main target of netwo...
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IPC IPC(8): H04W12/00H04W52/02H04W84/18
CPCY02D30/70
Inventor 林晖黄川
Owner FUJIAN NORMAL UNIV