NDLI: A per-hop security scheme for highly dynamic wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Ali, S.T. Sivaraman, V. Dhamdhere, A.
Copyright Year	2009
Description	Author affiliation: School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, 2052, Australia (Ali, S.T.; Sivaraman, V.; Dhamdhere, A.)
Abstract	Certain popular wireless sensor network applications, including disaster recovery, battlefield communication and athlete monitoring, are characterized by extensive node mobility, intermittent contact between nodes and a highly dynamic network topology. Traditional routing protocols and security schemes are designed for essentially static networks and do not perform well in this case. This has given rise to a new multi-hop routing paradigm, that of “mobility-assisted” routing in which nodes make strategic data store-and-forward decisions on a per-hop basis. In this paper we discuss the security challenges relevant to mobility-assisted routing and propose a scheme to secure data communication between nodes in highly mobile sensor networks. Our solution utilizes symmetric-key encryption to ensure data confidentiality and varies encryption key in a verifiable, non-forgeable manner to allow easy authentication. This scheme also provides data freshness, semantic security and per-hop encryption to enable secure data aggregation. To validate our basic assumptions and fine-tune our scheme, we collect and analyze link connectivity statistics from a dynamic sensor network application, athlete monitoring during a first-division university soccer club match. We show that our scheme is well-suited for certain dynamic environments and serves as an effective first step towards securing communications for mobile sensor networks.
Starting Page	1005
Ending Page	1011
File Size	3404649
Page Count	7
File Format	PDF
ISBN	9781424451135
DOI	10.1109/MOBHOC.2009.5337020
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-12
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Network topology Statistical analysis Data security Authentication Mobile communication Routing protocols Cryptography Data communication Monitoring
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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