Secret Key Revocation in Sensor Networks

Many challenging security-related issues have been studied in wireless sensor networks to provide a demanded quality and security for deliverable data. Yet, one of these issues which are not handled is the secret key revocation. In a semi-dynamic, resource-constrained and long-living sensor network with self organization features, traditional revocation methods are not desirable and somehow impractical. Through this paper, we discuss the rising issue of key revocation due to the predistribution and provide several techniques, structures and algorithms for several network and security conditions and requirements. In addition to the saving of the resources represented by the communication, computation and memory, we provide an extension for special-case networks in which our work can provide a higher performance.

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