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An Efficient Key Management Scheme for Heterogeneous Sensor Networks

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3 Author(s)
Qing Yang ; Sch. of Comput. & Commun., Hunan Univ., Changsha ; Qiaoliang Li ; Sujun Li

The establishment of keys between communicating neighbor nodes in homogeneous sensor networks is a challenge due to resource constrained sensor networks. However, recent researches have indicated that the performance of the sensor networks can be substantially improved with a small percentage of more capable sensors. To achieve better performance and security, we adopt a heterogeneous sensor network model. In this paper, we propose an efficient key management scheme based on public-key cryptography to establish distinct symmetry-keys between communicating neighbor nodes. Compared with existing key pre-distribution schemes, the proposed scheme has better resilience against node capture and performs better in terms of memory and computation overheads.

Published in:

Wireless Communications, Networking and Mobile Computing, 2008. WiCOM '08. 4th International Conference on

Date of Conference:

12-14 Oct. 2008

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