CN102843673B - Network position privacy protection method of wireless sensor - Google Patents
Network position privacy protection method of wireless sensor Download PDFInfo
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- CN102843673B CN102843673B CN201210332432.3A CN201210332432A CN102843673B CN 102843673 B CN102843673 B CN 102843673B CN 201210332432 A CN201210332432 A CN 201210332432A CN 102843673 B CN102843673 B CN 102843673B
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Abstract
The invention discloses a network position privacy protection method of a wireless sensor. The method comprises the following steps: dividing the data to be sent into m fragment data by a source node; routing the m fragment data to n different pseudo phantom nodes which are selected at random though a directional routing method; routing the received fragment data to a target node through the n pseudo phantom nodes; reconstituting the fragment data through the target node after receiving all fragment data. Compared with the prior art, the method of multi-phantom pseudo source node is adopted, then the difficulty of an attacker to track a real source node can be increased, so that the privacy of the position of the source node can be effectively protected; and moreover, the method is suitable for middle and large scaled sensor networks.
Description
Technical field
The invention belongs to communication technical field, relate to a kind of location privacy protection method for wireless sensor network.
Background technology
In recent years, the application of wireless sensor network (Wireless SensorNetworks, WSN) is day by day extensive, and its safety problem has received the concern of domestic and international researcher more and more.The secret protection technology of wireless sensor network is the important research direction of wireless sensor safe technology, is the significant challenge that wireless sensor network faces.Divide from the main body of research contents, the privacy concern in wireless sensor network can be divided into the personal secrets of data-oriented personal secrets and facing position, and location privacy is the important component part of wireless sensor network privacy.
Through finding the retrieval of prior art; for the location privacy protection of wireless sensor network, study the more ripe phantom Routing Protocol being Ozturk Celal etc. and proposing in document " Source-location privacy in energy-constrained sensor network routing " and document " Enhancing source-location privacy in sensor network routing ".Contain " panda-hunter " model in phantom Routing Protocol, the hunter as malicious attack side wishes that hop-by-hop follows the trail of the position obtaining panda and occur by the monitoring to radio transmission signal in WSN.Agreement is made up of two benches: the first stage is direct walk random, by message walk random to the pseudo-source node of in network; Message is routed to Sink node from pseudo-source node in the mode of inundation route or single path route by second stage.Pseudo-source node is utilized to protect the location privacy of real source node.
The single phantom dummy node method adopted in prior art is mainly applicable to small-sized sensor network, large-scale sensor network in not being suitable for, and single phantom dummy node Privacy Safeguarding is poor.
Summary of the invention
For the defect that prior art exists, the technical problem to be solved in the present invention proposes a kind of more effective location privacy protection method that can be used for larger sensor network.
A kind of wireless sensor network location privacy protection method of the present invention, its implementation procedure comprises following steps:
Step 1: the neighbor node of each node is divided into two classes by east-west direction, a class be east to node, another kind of is that west is to node;
Step 2: send the source node Stochastic choice one number n of data as the number of pseudo-phantom node, and Stochastic choice directed routing direction, namely east to or west to;
Step 3: data to be sent are divided into m fragment data by source node, distinguishes directed routing to the individual different pseudo-phantom node of n according to the directed routing direction selected in step 2 by m fragment data; Intermediate node between source node and pseudo-phantom node is when forwarding fragment data, and the directed routing direction that must set according to each fragment data is with the mode forwarding data of directed routing;
The fragment data received is routed to destination node by step 4:n pseudo-phantom node again, in the process of route, does not need again according to directed routing direction forwarding data;
Step 5: destination node is recombinated to fragment data after receiving all fragment datas.
Described neighbor node refers to the node only having a hop distance with source node, and neighbor node is only positioned at the Due South of source node, the southeast, positive east, north-east, the positive north, northwest, just west and these eight positions of southwest.Described east refers to node the Due South, the southeast, just east and northeastern neighbor node that are positioned at source node, and west refers to be positioned at the positive north of source node, the neighbor node of northwest, just west and southwest to node.Described directed routing dactylus point only sends to the neighbor node identical with the directed routing direction set when forwarding data, namely east is to nodes neighbors or west to nodes neighbors.
Adopt the method for the pseudo-source node of multiple phantom in the present invention, the difficulty that assailant tracks real source node will be increased, thus more effectively can protect the location privacy of source node than existing method.And when during the method is used for during large-scale sensor network, the position distribution of dummy node can be disperseed more, will play better protective effect.
Accompanying drawing explanation
Fig. 1: neighbor node classification schematic diagram in the present invention;
Fig. 2: location privacy protection procedure chart in the present invention.
Embodiment
As shown in Figure 1, node 1 is neighbor nodes of Centroid to node 8, only have the distance of a jumping between them, neighbor node is only positioned at the Due South of source node, the southeast, positive east, north-east, the positive north, northwest, just west and these eight positions of southwest.Node 1 to node 4 be east to node, node 5 is that west is to node to node 8.During directed routing, if directed routing direction be east to, then Centroid can only forwarding data to neighbor node 1 in node 4, if directed routing direction be west to, then Centroid can only forwarding data to neighbor node 5 in node 8.
Fig. 2 indicates location privacy protection procedure chart in the present invention:
(1): the neighbor node of each node is divided into two classes by east-west direction, a class be east to node, another kind of is that west is to node;
(2): send the source node Stochastic choice one number n of data as the number of pseudo-phantom node, and Stochastic choice directed routing direction, namely east to or west to;
(3): data to be sent are divided into m fragment data by source node, according to the directed routing direction selected in step (2), m fragment data is distinguished directed routing to the individual different pseudo-phantom node of n; Intermediate node between source node and pseudo-phantom node is when forwarding fragment data, and the directed routing direction that must set according to each fragment data is with the mode forwarding data of directed routing;
(4): the fragment data received is routed to destination node by n pseudo-phantom node again, in the process of route, does not need again according to directed routing direction forwarding data;
(5): destination node is recombinated to fragment data after receiving all fragment datas.
Described neighbor node refers to the node only having a hop distance with source node, and neighbor node is only positioned at the Due South of source node, the southeast, positive east, north-east, the positive north, northwest, just west and these eight positions of southwest.Described east refers to node the Due South, the southeast, just east and northeastern neighbor node that are positioned at source node, and west refers to be positioned at the positive north of source node, the neighbor node of northwest, just west and southwest to node.Described directed routing dactylus point only sends to the neighbor node identical with the directed routing direction set when forwarding data, namely east is to nodes neighbors or west to nodes neighbors.
Claims (1)
1. a wireless sensor network location privacy protection method, is characterized in that comprising following steps:
Step 1: the neighbor node of each node is divided into two classes by east-west direction, a class be east to node, another kind of is that west is to node;
Step 2: send the source node Stochastic choice one number n of data as the number of pseudo-phantom node, and Stochastic choice directed routing direction, namely east to or west to;
Step 3: data to be sent are divided into m fragment data by source node, distinguishes directed routing to the individual different pseudo-phantom node of n according to the directed routing direction selected in step 2 by m fragment data; Intermediate node between source node and pseudo-phantom node is when forwarding fragment data, and the directed routing direction that must set according to each fragment data is with the mode forwarding data of directed routing;
The fragment data received is routed to destination node by step 4:n pseudo-phantom node again, in the process of route, does not need again according to directed routing direction forwarding data;
Step 5: destination node is recombinated to fragment data after receiving all fragment datas;
Described neighbor node refers to the node only having a hop distance with origin node, and neighbor node is only positioned at the Due South of origin node, the southeast, positive east, north-east, the positive north, northwest, just west and these eight positions of southwest;
Described east refers to node the Due South, the southeast, just east and northeastern neighbor node that are positioned at origin node, and described west refers to be positioned at the positive north of origin node, the neighbor node of northwest, just west and southwest to node;
Described directed routing dactylus point only sends to the neighbor node identical with the directed routing direction set when forwarding data, namely east is to nodes neighbors or west to nodes neighbors.
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| CN201210332432.3A CN102843673B (en) | 2012-09-10 | 2012-09-10 | Network position privacy protection method of wireless sensor |
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| CN201210332432.3A CN102843673B (en) | 2012-09-10 | 2012-09-10 | Network position privacy protection method of wireless sensor |
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| CN102843673B true CN102843673B (en) | 2015-02-11 |
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| CN104010295A (en) * | 2013-02-22 | 2014-08-27 | 中国移动通信集团公司 | Sensing-network privacy protection method, sensing network and sensing network nodes |
| CN103327486B (en) * | 2013-05-16 | 2015-12-23 | 浙江工商大学 | A kind of aggregation node location privacy protection method of wireless sensor network |
| CN103281743B (en) * | 2013-06-18 | 2015-10-28 | 清华大学 | Based on the anti-trace sources location privacy protection method that path extends |
| CN103974368B (en) * | 2014-05-27 | 2017-06-16 | 中南大学 | A kind of route constructing method of intense source location privacy protection ability |
| CN104469754B (en) * | 2014-12-01 | 2017-12-26 | 南京邮电大学 | A kind of source position method for secret protection based on three stages route in wireless sense network |
| CN104735650B (en) * | 2015-03-30 | 2018-10-12 | 重庆邮电大学 | A kind of source position method for secret protection of Sector effect phantom routing |
| CN104822143B (en) * | 2015-05-04 | 2018-08-21 | 东南大学 | A kind of source node location method for secret protection of anti-current amount analytical attack |
| CN104822144A (en) * | 2015-05-04 | 2015-08-05 | 东南大学 | Source position privacy protection method for resisting backward tracing of attacker |
| WO2017000282A1 (en) * | 2015-07-01 | 2017-01-05 | 冯旋宇 | Method for directed transmission of data in router, and router |
| CN105099901A (en) * | 2015-07-01 | 2015-11-25 | 冯旋宇 | Method for oriented data transmission in router and router |
| CN105681362B (en) * | 2016-04-01 | 2018-07-10 | 公安部第三研究所 | The client and server communications method of the geographical location privacy of protection |
| CN105916118B (en) * | 2016-07-08 | 2019-05-03 | 河海大学常州校区 | Source node method for secret protection in wireless sensor network based on location tracking |
| CN105979508B (en) * | 2016-07-27 | 2019-05-03 | 河海大学常州校区 | Node method for secret protection based on orientation stochastic route in wireless sensor network |
| CN108495313B (en) * | 2018-03-26 | 2021-02-23 | 河南大学 | Method for protecting node position privacy in wireless sensor network |
| CN109660945B (en) * | 2019-02-18 | 2020-07-07 | 河海大学常州校区 | Dynamic multi-route source node position privacy protection method based on multiple sink nodes in WSN |
| CN110855375B (en) * | 2019-12-02 | 2021-09-28 | 河海大学常州校区 | Source node privacy protection method based on position push in underwater acoustic sensor network |
| CN113259932B (en) * | 2021-05-19 | 2023-05-05 | 贵州大学 | Source node position privacy protection strategy in WSNs |
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Inventor after: Qian Ping Inventor after: Liu Zhen Inventor after: Wu Meng Inventor after: Shi Jinlong Inventor after: Yuan Jianhua Inventor after: Qian Shuangqiu Inventor after: Zhang Jun Inventor after: Yang Yue Inventor after: Wu Xiaoyan Inventor before: Qian Ping Inventor before: Liu Zhen Inventor before: Wu Meng Inventor before: Shi Jinlong |
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Effective date of registration: 20160614 Address after: 212003 Zhenjiang City, Jiangsu province dream Creek Road, No. 2 Patentee after: Jiangsu University of Science and Technology Patentee after: Nantong Power Supply Company, Jiangsu Electric Power Co., Ltd. Address before: 212003 Zhenjiang City, Jiangsu province dream Creek Road, No. 2 Patentee before: Jiangsu University of Science and Technology |
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