Optimizing the Batch Mode of Group Rekeying: Lower Bound and New Protocols

Abstract

In group communications, an efficient rekeying scheme plays a key role in providing access control when a membership change happens. For reducing the communication cost in the rekeying operation, one proposed model is to rekey upon individual membership change. It is theoretically proved that given the forward secrecy requirement, the optimal amortized… (More)
DOI: 10.1109/INFCOM.2010.5462005

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