abstract is :

People waste many hours driving each day. Although unavoidable, this time can be very boring to motorists.Similar to people taking mass transit who often pass the time socializing with those around them, motorists could benefit from social interactions if they were given broader social opportunities. Unfortunately, existing Multiparty Voice Communication (MVC) systems do not scale to large numbersof users and do not provide adequate access controls. We present RoadSpeak, a scalable MVC system that allows motorists to automatica ....etc

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hi i want existing & proposed algorithm & also source code in balancing revocation & storage trade-off in secure group communication. ....etc

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ABSTRACT
The project entitled GROUP COMMUNICATION is developed in the corporate environment and aims to pass communication between groups in the form of text and audio.
In todays world where the IT plays its role, the business concerns aims at efficient way of communication. The manual communication has always been involved with many problems and errors where the real-time data cannot be passed to the individuals who are separated with means of distances.
The project aims at making this problem vanish by providing the correct so ....etc

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A Fully Distributed Proactively Secure Threshold-Multisignature Scheme



INTRODUCTION
IN distributed systems it is sometimes necessary for users
to share the power to use a cryptosystem , . The
system secret is divided up into shares and securely stored
by the entities forming the distributed cryptosystem. The
main advantage of a distributed cryptosystem is that the
secret is never computed, reconstructed, or stored in a
single location, making the secret more difficu ....etc

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GROUP COMMUNICATION



PURPOSE OF GROUP COMMUNICATION

To share and exchange information and ideas
To collect information or feedback on any project/policy/scheme
To arrive at a decision on important matters

To solve a problem which is of concern to the organization as a whole
To discuss the issues related to a particular topic in relation to the group itself or for the benefit of a larger audience
To elaborate upon any work undertaken or research done in order to el ....etc

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to get information about the topic secure multisignature generation for group communication related topic refer the page link bellow

http://seminarsprojects.net/Thread-multi-signature ....etc

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show tat c program This will useful for us to do project in mobile control appliances using dtmf decoder ....etc

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This article is presented by:Hui-Feng Huang and Yi-Jia Chang
Graduate School of Computer Science and Information Technology
National Taichung Institute of TechnologyAn Efficient Three Party Authenticated Key Exchange for Mobile Communications

ABSTRACT
In three-party password based key exchange protocol, a client is allowed to share a human-memorable password with a trusted server such that two clients can negotiate a session key to communicate with e ....etc

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threshold multisignature source code

Threshold Multi signature Scheme Project:
The main aim of this abstract is presenting secure and efficient way of Threshold multi signature scheme. The fundamental properties are defined in this scheme consist the all properties of the multi signature and thresh hold group signatures.

Existing System:

For the generation of digital signature more shareholders are required. The shareholders must contribute equally to produce valid digital signatures.The scheme consist the all properties of the multi signat ....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 processing. W ....etc

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