Constant-Round Password-Based Authenticated Key Exchange Protocol for Dynamic Groups

Abstract

In this paper, we extend the work of Abdalla et al. to take into account the notion of dynamicity in the membership and present an improved compiler that transforms any provably secure password-based authenticated 2-party key exchange into amore attractive password-based authenticated group key exchange. The resulting protocol is a provably secure and… (More)
DOI: 10.1007/978-3-540-85230-8_6

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