Penetration method for quickly increasing the importance of sybil nodes

A technology of importance and nodes, applied in the field of rapidly increasing the importance of Sybil nodes in the Kademlia network, to achieve the effect of increasing importance

Active Publication Date: 2017-02-01
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

[0013] The technical problem to be solved by the present invention is: aiming at the problem that Sybil nodes are difficult to quickly and fully penetrate into the Kademlia network, enter other node routing tables as much as possible, and then generate greater importance, a method for making Sybil nodes efficient Methods of infiltration into the Kademlia network

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  • Penetration method for quickly increasing the importance of sybil nodes

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Embodiment Construction

[0038] figure 1 It is a general flowchart of the present invention:

[0039] The first step is to set the penetration cycle count value T=1, the group number G=L, and the active node list ActiveNodes (0) at the initial moment is Null.

[0040] The second step is to use the P2P network crawler to obtain the IP, UDPport, and nodeID information of the active node list ActiveNodes (T) in the Tth penetration cycle of the Kademlia network.

[0041] The third step is to calculate n in ActiveNodes(T) in turn T The active value of an active node, assuming any entry q (0≤q≤n) in ActiveNodes(T) T -1) The corresponding IP, UDPport, nodeID information is IP q 、UDPport q , nodeID q .

[0042] In the fourth step, n in ActiveNodes(T) T The nodeID value of each node is XORed with the nodeID value of the Sybil node in turn, and the n in ActiveNodes(T) is calculated according to the obtained XOR distance value T Table entries are grouped, and the XOR distance is in [2 j ,2 j+1 ) within...

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Abstract

The invention discloses a permeation method for improving Sybil node importance rapidly, and aims to provide a method which can rapidly improve indegree of Sybil nodes in a Kademlia network and the Sybil node importance. According to the technical scheme, permeated nodes are divided into multiple groups according to distance, nodes in each group are ranked according to the activity degree, and active node precedence and remote node precedence are achieved; the Sybil node allows more other nodes to have access to itself with the help of a node with a high activity degree by being the neighbor of the node with the high activity degree, and therefore more opportunities for improving the indegree are obtained; the Sybil node is recommended to the other nodes frequently by a remote node by being the neighbor of the remote node, and more opportunities for improving the indegree are obtained. The whole permeation method is implemented again every other permeation period. By the adoption of the permeation method, the Sybil node importance is improved rapidly, and the influences of the Kademlia network on the Sybil node importance are overcome effectively.

Description

technical field [0001] The invention relates to a penetration method of a Sybil node, which is a method for rapidly increasing the importance of the Sybil node in the Kademlia network. Background technique [0002] A Sybil node originally refers to a single entity node with multiple identities. At present, the false nodes in the network are usually called Sybil nodes. For the Sybil node in the Kademlia network, its importance is mainly reflected in how many neighbor nodes it can become, that is, the in-degree of the Sybil node. Rapidly increasing the importance of Sybil nodes will help to use Sybil nodes to learn more and more efficiently about the activities of a large number of nodes in the network, thereby providing technical support for quickly discovering and containing malicious activities in the network. [0003] The Kademlia protocol is a typical DHT (Distributed Hash Table) protocol, which is widely used to build large-scale, purely distributed P2P (Peer to Peer) n...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/08
Inventor 刘波王怀民王天佐鲁强肖哲锋马晓龙张天于洋
Owner NAT UNIV OF DEFENSE TECH
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