A Comparative Analysis of PKC and Semi-PKC Based Key Management Schemes for Hierarchical Sensor Networks

Authors:
Ayesha Naureen;Attiya Akram;Rabia Riaz;Ki-Hyung Kim;H. Farooq Ahmed
Affiliations:
College of Signals, National University of Science and Technology, Pakistan;College of Signals, National University of Science and Technology, Pakistan;AJOU University, South Korea;AJOU University, South Korea;Communication Technologies, Japan
Venue:
ISA '09 Proceedings of the 3rd International Conference and Workshops on Advances in Information Security and Assurance
Year:
2009

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Abstract

Symmetric key cryptography (SKC) based solutions for key management in wireless sensor networks have security shortcomings. A more secure solution demands the use of public key cryptography (PKC) based key management scheme. This, however, introduces an increased computation overhead in the tiny devices. An intermediate approach between SKC and PKC may prove beneficial in terms of both security and efficiency. To investigate the applicability of such a hybrid key management approach, a hierarchical organization of sensor network is considered and the security and efficiency characteristics of a pure PKC based key management scheme are compared and evaluated against a semi-PKC based key management scheme. Both theoretical and experimental basis have been considered in this regard.