We propose and analyze a scalable and efficient cluster-based group key management protocol for secure group communications in mobile ad hoc networks. For scalability and dynamic reconfigurability; we take a cluster-based approach by which group members are broken in to cluster-based subgroups and leaders in subgroups securely communicate with each other to agree on a group key in response to membership change and member mobility events. We show that secrecy requirement for group communication is satisfied. Further, there exists an optimal clus ....etc

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Abstract—Given a data point set , a query point set , and an integer , the Group Nearest Group (GNG) query finds a subset ( ) of points from such that the total distance from all points in to the nearest point in is not greater than any other subset ( ) of points in . GNG query is a partition-based clustering problem which can be found in many real applications and is NP-hard. In this paper, Exhaustive Hierarchical Combination (EHC) algorithm and Subset Hierarchial Refinement (SHR) algorithm are developed for GNG query pr ....etc

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Hello Sir,
I m prashant kolte.........
can u send the project report for a A Fully Distributed Proactively Secure Threshold-Multisignature Scheme ................
and any idea's to implements ..............................can u sends

Prashant Kolte ....etc

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SECURE KEY EXCHANGE AND ENCRYPTION
FOR GROUP COMMUNICATION IN
WIRELESS ADHOC NETWORKS


ABSTRACT

Ad hoc wireless networks is primarily important, because the communication
signals are openly available as they propagate through air and are more susceptible to attacks ranging from passive eavesdropping to active interfering. The lack of any central coordination and shared wireless medium makes them more vulnerable to attacks than wired networks. Nodes act both as hosts and routers and are interconnect ....etc

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A Fully Distributed Proactively Secure Threshold-Multisignature Scheme

Abstract”Threshold-multisignature schemes combine the properties of threshold group-oriented signature schemes and multisignature schemes to yield a signature scheme that allows a threshold ðtÞ or more group members to collaboratively sign an arbitrary message. In contrast to threshold group signatures, the individual signers do not remain anonymous, but are publicly identifiable from the information contained in the valid threshold-multisignature. Th ....etc

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PLease help me running this project...

Contact me : [email protected] ....etc

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hello sir
can u more information for this project



can send me project reports..... ....etc

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good morning....... iam sravanthi doing mca final year in godavari institute of engineering and technology in rajahmundry...i need ppt on the above topic... please provide..... ....etc

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A Fully Distributed Proactively Secure Threshold-Multisignature Scheme

Abstract”Threshold-multisignature schemes combine the properties of threshold group-oriented signature schemes and multisignature schemes to yield a signature scheme that allows a threshold (t) or more group members to collaboratively sign an arbitrary message. In contrast to threshold group signatures, the individual signers do not remain anonymous, but are publicly identifiable from the information contained in the valid threshold-multisignature. The main objectiv ....etc

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Hi am munni i would like to get details on what is multisignature scheme for sending messages in a group ..My friend Justin said what is multisignature scheme for sending messages in a group will be available here and now i am living at nizambad and i last studied in the college nizam college and now am doing  a major project i need help on multisignature scheme ....etc

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