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Traditional key management techniques, such as public key cryptography or key distribution center (e.g., Kerberos), are often not effective for wireless sensor networks for the serious limitations in terms of computational power, energy supply, network bandwidth and defection of centra authority. In order to balance the security and efficiency, we propose a new scheme by employing LU Composition techniques...
Security in mobile ad hoc networks is difficult to achieve because of vulnerability of the links, inadequate physical protection, the dynamically changing topology and the sporadic nature of the connectivity. The dynamic change in topology results in the change of trust relationships among the nodes and as a result any security solution with a static configuration will not suffice. Authentication...
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