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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...
An ad hoc network is a collection of autonomous nodes that communicate with each other by forming a multi-top wireless network. Different from conventional wireless networks, the resource of the nodes in ad hoc networks is limited. As such, the costs of the nodes resource should be minimized when constructing a group key agreement protocol in the ad hoc networks. To achieve the goal, in this paper...
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