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Network data aggregation method for wireless sensor

A wireless sensor and network data technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as aggregator bottlenecks

Inactive Publication Date: 2015-10-07
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] Early data aggregation schemes all assume that the aggregator is trusted, so the aggregator will become the bottleneck of the system

Method used

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  • Network data aggregation method for wireless sensor
  • Network data aggregation method for wireless sensor
  • Network data aggregation method for wireless sensor

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Embodiment Construction

[0064] A network data aggregation method for wireless sensors of the present invention is characterized in that it comprises the following steps:

[0065] a. System initialization, the public-private key pair of the aggregator node and the public-private key pair of the intermediate aggregator node are generated by a trusted third party; the trusted third party also generates the sensor node signature private key, the intermediate aggregator node signature private key, the system public Parameters and trusted third-party private key; at the same time, the trusted third party sets a synchronous clock for generating time stamps in the system;

[0066] b. The sensor node uses the public key of the aggregator node to encrypt the collected secret information to obtain the intermediate ciphertext, and then uses the public key of the intermediate aggregator node to encrypt the intermediate ciphertext to obtain the final ciphertext; the final ciphertext, sensor node identity Informati...

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Abstract

The invention belongs to the technical field of wireless communication, and specifically relates to a network data aggregation method for a wireless sensor. The method is based on an elliptical curve homomorphic encryption algorithm, a safety outsourcing algorithm and an aggregation signature algorithm based on identity, and is a verifiable wireless sensor network data safety aggregation method. The beneficial effects of the invention are that the method employs the elliptical curve homomorphic encryption algorithm, the aggregation signature algorithm based on identity and the safety outsourcing algorithm to enable a semi-credible aggregator to work in a more severe network environment so as to obtain needed aggregation statistic data; moreover, the method can achieve the functions of confidentiality guarantee, data integrity guarantee, data source authentication guarantee, and replay attack resistance, so the method is better in prospect of actual application.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a network data aggregation method for wireless sensors. Background technique [0002] Wireless sensor network (WSN) is a distributed sensor network composed of various sensor devices with limited computing and storage capabilities and limited power storage. The sensors in WSN communicate through the wireless network, so it has the characteristics of flexible network setting and strong mobility of equipment. The WSN can also be connected to the Internet in a wireless or wired manner. A multi-hop self-organizing network can be formed through wireless communication, so it can be widely used in military, transportation, environmental monitoring and other fields. [0003] For wireless devices, the service life of batteries is limited, and most of the power consumption of wireless sensor nodes is in the wireless communication module. Studies have shown tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32H04L29/06G06F17/30
Inventor 许春香徐辰福张晓均金春花孙丽雪
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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