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The more wireless sensor networks grow, the more effective security mechanisms are needed. This paper suggests a cryptographic key-management protocol, Energy-Efficient Key-Management protocol. Using a location-based group key allocation, the proposed protocol provides the revocation of compromised nodes and energy-efficient re-keying. Our protocol is(More)
Mobile nodes that change their connection point dynamically, are deployed in networks for communication with aircraft, boats, trains and cars. These mobile nodes move together and share the same mobility properties. This paper addresses an efficient location management scheme based on collaboration of mobile nodes to a mobile network. In our proposed(More)