Structures for Communication-Efficient Public Key Revocation in Ubiquitous Sensor Network

摘要

In this paper we discuss the uprising problem of public key revocation. The main problem in key revocation includes the relatively large memory and communication required to store and transmit the revoked list of keys. This problem becomes serious as the sensor network is subjected to several constraints. In this paper, we introduce several efficient representation mechanisms for representing a set of revoked identifiers of keys. We discuss several network and revocation scenarios and introduce the corresponding solution for each. To demonstrate the value of our proposed approaches, practical simulation results and several comparisons with the current used revocation mechanism are included.