Enhanced source position privacy protection method based on phantom single-path routing

A privacy protection, source location technology, applied in the field of IoT security, to achieve the effect of improving security, prolonging the average security time, and strong visual ability

Active Publication Date: 2014-04-23
SOUTHEAST UNIV
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Problems solved by technology

However, the final source node s is still limited to a circular arc. If there are multiple phantom source nodes p exposed to the attacker, the source node s still has the risk of being discovered.

Method used

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  • Enhanced source position privacy protection method based on phantom single-path routing
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  • Enhanced source position privacy protection method based on phantom single-path routing

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Embodiment Construction

[0037] The present invention will be further described below in conjunction with the accompanying drawings.

[0038] figure 1 A system model of an enhanced source location privacy protection method provided by the present invention. It includes the entities involved in the method, the linkages between these entities, and the work required by each entity to achieve this linkage.

[0039] The present invention defines four entities: base station b, source node s, common node u (a node deployed in the network except the source node), and phantom source node p. In the working process, first realize the static deployment of all nodes and the preloading of network parameters; then the source node s performs h-hop limited flooding, so that each ordinary node u obtains the minimum hop distance between itself and its neighbor nodes from the source node s At the same time, mark the ordinary node u in the visible area; then avoid the visible area and broadcast the whole network of base...

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Abstract

The invention discloses an enhanced source position privacy protection method based on phantom single-path routing in a wireless sensing network, and belongs to the technical field of security of the Internet of things. The enhanced source position privacy protection method comprises the following steps that in a network security initialization stage, the static deployment of nodes and the preloading of network parameters are realized; in a source node h-hop limited flooding stage, nodes in a visible region are marked, in addition, the hop value with the minimum distance from nodes in the source node h hops to source nodes except for the nodes in the visible region is worked out, and then, a base station broadcasts initialization messages to nodes in an invisible region; in a random h<x> hop directed routing stage, an annular phantom source node region which leaves away from the source nodes as far as possible is generated; in a shortest path routing stage, an effect of sending a data packet from phantom source nodes to the base station in a short time is realized. The enhanced source position privacy protection method belongs to a source position privacy protection method with the advantages that the random directed path number can be increased, and the failure path generation can also be avoided. Compared with the existing scheme, the enhanced source position privacy protection method has the advantages that the source position privacy security is obviously improved, and the average security time is also greatly prolonged.

Description

technical field [0001] The invention relates to the technical field of Internet of Things security, in particular to a design method of an enhanced source location privacy protection strategy based on phantom single-path routing in a wireless sensor network. Background technique [0002] With the rise of the Internet of Things, as an integral part of the Internet of Things—wireless sensor networks (WSNs) have extremely broad application prospects. Compared with wired networks, sensor networks relying on wireless communication are more vulnerable to various security threats. The security and privacy of the source location has become an important issue that threatens the effective deployment of wireless sensor networks. In the target monitoring wireless sensor network, the attacker can locate the data source node s by reversely and hop-by-hop tracking data packets, thereby destroying the security of the network. [0003] In order to solve the above problems, it is necessary ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/00H04W40/02
CPCY02B60/50Y02D30/70
Inventor 万长胜周琳黄杰
Owner SOUTHEAST UNIV
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