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Vehicular ad-hoc networks (VANETs) have a great potential to improve road safety, traffic jams, fuel consumption, and to increase passenger convenience in vehicles. However, VANETs use an open medium for communication and, therefore, are exposed to security threats that influence their reliability. We propose a data-trust security model designed for VANETs based on social network theories. Drivers...
We construct the first general secure computation protocols that require no trusted infrastructure other than authenticated communication, and that satisfy a meaningful notion of security that is preserved under universal composition- assuming only the existence of enhanced trapdoor permutations. The notion of security fits within a generalization of the "angelbased" framework of Prabhakaran...
One of the major interest perceived by research in digital forensic investigation is the development of theoretical and scientifically proven methods of incident analysis. However, two main problems, which remain unsolved by the literature, could lead the formal incident analysis to be inconclusive. The former is related to the absence of techniques to cope with anti-forensic attacks and reconstruction...
This paper suggests an adaptive access algorithm to decide the access control to the resources using an improved RBAC technique to solve more complex and difficult problems in the cloud computing environment. And the proposed model determines dynamically security level and access control for the common resources. Therefore, it is supposed to provide appropriate security services according to the dynamic...
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