Communications of the ACM
ANODR: anonymous on demand routing with untraceable routes for mobile ad-hoc networks
Proceedings of the 4th ACM international symposium on Mobile ad hoc networking & computing
AnonDSR: efficient anonymous dynamic source routing for mobile ad-hoc networks
Proceedings of the 3rd ACM workshop on Security of ad hoc and sensor networks
Theory and application of trapdoor functions
SFCS '82 Proceedings of the 23rd Annual Symposium on Foundations of Computer Science
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The importance of security in ad hoc network is increasing gradually to deliver information safely among nodes in hostile environment. The data is encrypted using various encryption techniques for the security reinforcement or for hiding the communication path. AnonDSR which offers anonymity to encrypt communication path, guarantees anonymity efficiently. The anonymity of source and destination nodes is guaranteed through 3 protocols. However, secret keys and route pseudonyms must be newly created for security, whenever an anonymous communication session occurs. It generates large overhead.Therefore, the proposed scheme reduces overhead of AnonDSR to reuse symmetric keys and route pseudonyms during a certain period which is defined by user. It is possible so that the data is encrypted by symmetric key which is shared between source and destination nodes, because intermediate nodes cannot decrypt the data. This scheme maintains security features of AnonDSR to perform anonymous communication, and only performs anonymous data transfer protocol when duplicate session is occurred. Then, the route setup time is improved a minimum of 47.1% due to the decrease of route setup procedure.