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Service discovery is one of the integral tasks of the system running in distributed computing environment. Even though numerous researches on service discovery have been conducted, the security and privacy issue have not yet been addressed adequately. Here letting only legitimate user and service provider for service discovery is a challenging problem. In this paper we present a scheme for secure service discovery by employing an incremental progressive exposure approach, where the user and service provider exchange only partial encrypted information at each step. They compare the information sent from the other party with their own information. The exchange operation continues until a mismatch occurs or the required service is found finally. Computer simulation reveals that the proposed approach significantly reduces the number of message exchanges compared to the existing progressive exposure scheme.
Date of Conference: 16-20 May 2011