J4 ›› 2012, Vol. 47 ›› Issue (11): 67-73.
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LIU Meng-jun, LIU Shu-bo*, LIU Hong-hui, CAI Zhao-hui, TU Guo-qing
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Abstract:
In the application of Wireless Sensor Networks (WSN) needing secure communications, asymmetric key scheme is supposed difficult to be implemented on resources limited sensor node, and the symmetric key scheme based on probability predistribution possess the disadvantages of weak nodes connectivity, big memory consuming, complicated and inflexible key agreement. Hence, a dynamic hybrid key management scheme associated asymmetric and symmetric scheme (DHKAS) was proposed based on the heterogeneous wireless sensor networks. The scheme solved the Node Authentication problem in key management with a simple and reliable way. The analysis result shows that the proposed scheme effectively improves the connectivity of the node, reduces memory consuming and enhances the network secure ability.
Key words: heterogeneous wireless sensor network; key management; asymmetric key
LIU Meng-jun, LIU Shu-bo*, LIU Hong-hui, CAI Zhao-hui, TU Guo-qing. A research on dynamic and hybrid key management scheme of heterogeneous sensor network[J].J4, 2012, 47(11): 67-73.
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