Sensor original data privacy protection method supporting sensor network data aggregation

A sensor network and data aggregation technology, applied in transmission systems, electrical components, wireless communications, etc., can solve the problems of limited effectiveness of privacy protection, high energy consumption, and poor adaptability to packet loss environments, etc., to meet The effect of data privacy protection requirements, strong energy efficiency, and good data privacy protection requirements

Inactive Publication Date: 2016-01-20
716TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a privacy protection method for sensor raw data that supports sensor network data aggregation, which solves the privacy protection problem of sensor data in sensor network summation aggregation, and the packet loss environment existing in the prior art Poor adaptability, the effectiveness of privacy protection is limited by communication overhead, high energy consumption, etc.

Method used

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  • Sensor original data privacy protection method supporting sensor network data aggregation
  • Sensor original data privacy protection method supporting sensor network data aggregation
  • Sensor original data privacy protection method supporting sensor network data aggregation

Examples

Experimental program
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Effect test

Embodiment 1

[0086] The present invention can be realized by following method:

[0087] case1 (initialization process after cluster deployment)

[0088] Step 1. Generate n-1 random numbers within the range of [0, U'), store them as a random number list R-list, and encrypt and send each random number to n-1 cluster members;

[0089] Step 2. Receive the random number sent by the cluster members and store it as a random number list R-list';

[0090] case2 (data reporting stage, if it is a non-cluster head member and there is data to report)

[0091] Step 1. Send the ID number to the cluster head;

[0092] Step 2. After obtaining the node IDs participating in data reporting and the number m of data reporting nodes, perform the following process:

[0093] Step 2.1, initialize temp=H a = 0;

[0094] Step 2.2. Obtain the corresponding privacy protection factor: forb=1tom

[0095] {if(b≠a)

[0096] The low L bit;

[0097] The low L bit;}

[0098] Step 2.3, obtain the privacy protectio...

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Abstract

The invention provides a sensor original data privacy protection method supporting sensor network data aggregation. The method comprises the following working states: initialization before deployment, initialization after deployment, a stage of data report by taking a node as a non-cluster head node for data report, a stage of data report by taking a node as a cluster head node for aggregating data in a cluster, a stage of data report by updating a random number type by each node; a stage of updating storage information when a new node is added into the cluster, and a stage of updating the storage information when a node is quitted from the cluster.

Description

technical field [0001] The invention relates to a data privacy protection technology, in particular to a privacy protection method for original sensing data supporting sensor network data aggregation. Background technique [0002] Wireless sensor network (wireless sensor network, referred to as sensor network) is a wireless network composed of sensor nodes deployed in the monitoring area, mainly used for data collection of the physical world. When the sensor network is applied to sensitive data monitoring in the civilian field, the exposure of sensory data such as pulse, heart rate, and water and electricity usage may cause personal safety or moral loss. This requires that the sensing data not only keep confidentiality to external attackers, but also keep confidentiality to internal nodes, that is, the privacy of data needs to be guaranteed. Only when the privacy of data is guaranteed, people will generally accept the collection of their personal information by sensor netwo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/02H04L29/06
CPCH04W12/02H04L63/0428
Inventor 曾玮妮朱勇陈海荣张兴堂苏培培张鹏宋汉广张望远徐振朋姚小城
Owner 716TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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