An ad-hoc network comprises mobile nodes that cooperate with each other using wireless connections to route both data and control packets within the network. As the low transmission power of each node limits its communication range, the nodes must assist and trust each other in forwarding packets from one node to another. However, this implied trust relationship can be threatened by malicious nodes that may fabricate, modify or disrupt the orderly exchange of packets. Security demands that all packets be authenticated before being used. This paper presents Kaman, Kerberos assisted Authentication in Mobile Ad-hoc Networks, a new pure-managed authentication service for mobile ad-hoc networks.
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