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Location aware end-end data security using mac for secured wireless sensor networks

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1 Author(s)
Jeyalakshmi, M. ; ECE Department, India

Data security in wireless sensor networks include data authenticity, data confidentiality and data availability. Providing desirable data security in wireless sensor networks is a challenging one since wireless sensor networks consists of large number of sensor nodes that are generally placed in hostile or unattended environments which may be exposed to several attacks. Attacks due to node compromise include Denial of service attacks such as selective forwarding attacks and report disruption attacks. Existing security designs provides only hop-hop security and this hop-hop security works well when assuming a uniform wireless communication pattern. Node to sink communication is the dominant communication pattern in wireless sensor networks and hop-hop security design is not sufficient as it is exposed to several attacks due to node compromise. In the proposed work, secret keys are bound to geographic locations and each node stores keys based on their location. This location aware property limit the impact of compromised nodes without affecting end-end security .Secret keys are generated based on their location and using RSA algorithm encryption and decryption is done for data confidentiality. The proposed multifunctional key management framework assures both node-to-sink and node-to-node authentication along the report forwarding routes. Moreover, the proposed data delivery approach guarantees efficient en-route bogus data filtering and is highly robust against DoS attacks. The evaluation demonstrates that the proposed design is highly resilient against an increasing number of compromised nodes and effective in energy savings.

Published in:

Advances in Engineering, Science and Management (ICAESM), 2012 International Conference on

Date of Conference:

30-31 March 2012

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