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Message authentication is a mechanism to verity the integrity of a message and it can be achieved using Message Authentication code (MAC) also called as keyed hash function. An ideal Hash algorithm will require a cryptanalytic effort greater than or equal to the brut-force effort. In the recent time, there have been enough efforts in developing cryptanalytic attacks on Hash algorithms. The hash algorithms...
Reputation systems are an emerging area of research in ad-hoc networks. They have been introduced as a security solution for nodes' misbehaving problem. A reputation system should cope with any kind of misbehavior. It enables honest nodes to make fair decisions about their neighbors. This may encourage nodes to behave well and cooperate in order to avoid being penalized or isolated. In this paper,...
Mobile Ad hoc Network (MANET) is a self-configured collection of mobile nodes in which there is no need of predefined infrastructure and centralized authority. MANET is particularly vulnerable to security attacks due to its fundamental nature. Ad hoc On-demand Distance Vector (AODV) is a very popular routing protocol of MANETs, but it has no security measures in-built and vulnerable to many types...
MANETs hold the potential to replace the existing wireless technology mainly because of the features it provides like ease of deployment, no need of infrastructure, support of dynamic topology, etc. Therefore, addressing the issues of MANETs is very important. Security of MANETs has always been an important issue affecting their reliability and even their usability and that of routing algorithms plays...
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