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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I need a source code for Efficient key agreement for dynamic and multicast groups and send me the details about execution of the project....... ....etc

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uml diagrams for authenticated group key transfer protocol based on secret sharing project is required fr me urgently plzzz provide us those uml diagrams ....etc

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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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woud you pls send me out the ppt and reports of the topic auhenticated group key transfer protocol based on secret sharing. ....etc

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I'm requesting you to send me the UML diagrams for the project An Efficient Key Agreement for Large and Dynamic Multicast Groups to my Email.
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Abstract
Three-party authenticated key exchange protocol(3PAKE) is an important cryptographic technique for securecommunication which allows two parties to agree a new securesession key with the help of a trusted server. In this paper, weproposed a new three-party authenticated key exchange protocolwhich aims to achieve more efficiency with the same security levelof other existing 3PAKE protocols. Security analysis and formalverification using AVISPA tools show that the proposed protocolis secure against various known attacks. Comparin ....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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Optimizing the Rekeying Cost for Contributory Group Key Agreement Schemes
Abstract—
Although a contributory group key agreement is a promising solution to achieve access control in collaborative and dynamic
group applications, the existing schemes have not achieved the performance lower bound in terms of time, communication, and
computation costs. In this paper, we propose a contributory group key agreement that achieves the performance lower bound by
utilizing a novel logical key tree structure, called PFMH, and the concept of ph ....etc

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EFFICIENT KEY GENERATION FOR LARGE & DYNAMI MULTICAST GROUPS



1. Introduction

1.1 About the Project
The Efficient Key Agreement for Large and Dynamic Multicast Groups provides
an efficient way of Group key Agreement in terms of Scalability and Authenticity between the Sub group members and to other group members in the network. The Existing system have the drawbacks such as the Group Controller takes all responsibilities of key generation, re keys ge ....etc

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