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In self-organized wireless network, such as ad hoc network, sensor network or mesh network, nodes are independent individuals which have different benefit; Therefore, selfish nodes refuse to forward packets for other nodes in order to save energy which causes the network fault. At the same time, some nodes may be malicious, whose aim is to damage the network. In this paper, we analyze the cooperation...
TESLA protocol is an efficient message authentication protocol which can be used in wireless network. In some instances, however, there are some shortcomings in muTESLA. In this paper, we modify the original protocol from three aspects which can enhance security and availability. At first, separating the data source and key source, using key server to announce the authentication keys and using base...
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