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摘要:
Wireless Sensor Networks (WSNs) typically use in-network processing to reduce the communication overhead. Due to the fusion of data items sourced at different nodes into a single one during in-network processing, the sanctity of the aggregated data needs to be ensured. Especially, the data integrity of the aggregated result is critical as any malicious update to it can jeopardize not one, but many sensor readings. In this paper, we analyse three different approaches to providing integrity support for SDA in WSNs. The first one is traditional MAC, in which each leaf node and intermediate node share a key with parent (symmetric key). The second is aggregate MAC (AMAC), in which a base station shares a unique key with all the other sensor nodes. The third is homomorphic MAC (Homo MAC) that is purely symmetric key-based approach. These approaches exhibit diverse trade-off in resource consumption and security assumptions. Adding together to that, we also propose a probabilistic and improved variant of homomorphic MAC that improves the security strength for secure data aggregation in WSNs. We carry out simulations in TinyOS environment to experimentally evaluate the impact of each of these on the resource consumption in WSNs.
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篇名 Investigating Approaches of Data Integrity Preservation for Secure Data Aggregation in Wireless Sensor Networks
来源期刊 信息安全(英文) 学科 医学
关键词 In-Network Processing INTEGRITY MESSAGE AUTHENTICATION Code SECURE Data AGGREGATION Wireless Sensor Networks
年,卷(期) 2014,(1) 所属期刊栏目
研究方向 页码范围 1-11
页数 11页 分类号 R73
字数 语种
DOI
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研究主题发展历程
节点文献
In-Network
Processing
INTEGRITY
MESSAGE
AUTHENTICATION
Code
SECURE
Data
AGGREGATION
Wireless
Sensor
Networks
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
信息安全(英文)
季刊
2153-1234
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
230
总下载数(次)
0
总被引数(次)
0
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