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Security-Enhanced Key Establishment Scheme for Key Infection  

Hwang Young-Sik (Universityof Science & Technology)
Han Seung-Wan (Electronics and Telecommunication Research Institute)
Nam Taek-Yong (Electronics and Telecommunication Research Institute)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.43, no.7, 2006 , pp. 24-31 More about this Journal
Abstract
Traditional security mechanisms do not work well in the sensor network area due to the sensor's resource constraints. Therefore security issues are challenging problems on realization of the sensor network. Among them, the key establishment is one of the most important and challenging security primitives which establish initial associations between two nodes for secure communications. Recently, R. Anderson et al. proposed one of the promising key establishment schemes for commodity sensor network called Key Infection. However, key infection has an intrinsic vulnerability that there are some areas where adversaries can eavesdrop on the transferred key information at initial key establishment time. Therefore, in this paper, we propose a security-enhanced key establishment scheme for key infection by suggesting a mechanism which effectively reduces the vulnerable areas. The proposed security mechanism uses other neighbor nodes' additional key information to establish pair-wise key at the initial key establishment time. By using the additional key information, we can establish security-enhanced key establishment, since the vulnerable area is decreased than the key infection's. We also evaluate our scheme by comparing it with key infection using logical and mathematical analysis.
Keywords
Key Infection;
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