JISE


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Journal of Information Science and Engineering, Vol. 26 No. 5, pp. 1859-1873


A Node Revocation Scheme Using Public-Key Cryptography in Wireless Sensor Networks


PO-JEN CHUANG, SHAO-HSUAN CHANG AND CHIH-SHIN LIN
Department of Electrical Engineering 
Tamkang University 
Tamsui, Taipei County, 251 Taiwan 
E-mail: pjchuang@ee.tku.edu.tw


    Generally deployed in an unattended environment, a sensor network can be easily assaulted or compromised by adversaries. Network security becomes a major problem. A distributed node revocation scheme is effective in reducing the damages a compromised node may cause to a sensor network, but its operation tends to consume large-scale memory space of the hardware-constrained sensor nodes. To reduce such complexity, this paper presents a new distributed voting revocation scheme based on the one-way hash chain, the certificate revocation list and the public-key cryptography. Performance evaluation shows that our scheme outperforms the other target schemes in enhancing network security at reasonable calculation cost which is acceptable to the sensor nodes.


Keywords: wireless sensor networks, network security, distributed node revocation schemes, one-way hash chains, certificate revocation lists, public-key cryptography, performance evaluation

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