This article proposes a competitive-evolving-committee proactive secret sharing. Every participant in the system has opportunity to become member of holding committee and have sufficient anonymity. During life cycle serving as members, they only send one message protocol without excessive interaction, achieve receiver strong anonymity with capability-based encryption scheme different from most ...

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Advances in integrated circuit and wireless communication technologies are making body area networks (WBANs) an increasingly important medical paradigm. By collecting, uploading, processing real-time physical parameters, WBANs assist clients better recognizing managing their bodies. Besides conveniences it brings, facing the risk of clients’ privacy leakage during data transmission. Anon...