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The characteristics of Wireless Sensor Network (WSN) determine that the traditional security authentication mechanism can not meet its security requirements. Starting from the analysis on existing WSN security authentication solution scheme and combing with the widely used hierarchy distributed WSN architecture, the paper referred to the idea of security authentication of PKI with digital certificate...
A group key agreement (GKA) protocol is a mechanism to establish a cryptographic key for a group of participants, based on each one's contribution, over a public network. Security of various group-oriented applications for ad-hoc groups requires a group secret shared between all participants. In ad hoc networks, the movement of the network nodes may quickly change the topology resulting in the increased...
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