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Secure Group Communication Using Multicast Key Distribution Scheme in Ad hoc Network (SGCMKDS)

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Author(s): V. PALANISAMY | P. ANNADURAI

Journal: International Journal of Computer Applications
ISSN 0975-8887

Volume: 1;
Issue: 25;
Start page: 86;
Date: 2010;
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Keywords: Secure Group communication | Multicast Key distribution | Rekeying and Key Update and | Key Tree

ABSTRACT
In Recent years, secure communications have become a importantsubject of research. The new service for wireless and wirednetworks is to provide confidentiality, authentication, authorizationand data integrity. Security has always been a sensitive issue. Infact, this service becomes necessary to protect basic applications,especially E-commerce and bank transactions from a variety ofattacks. An ad hoc network is a kind of wireless communicationinfrastructure that does not have base stations or routers. Eachnode acts as a router and is responsible for dynamicallydiscovering other nodes it can directly communicate with.However, when a message without encryption is sent out through ageneral tunnel, it may be maliciously attacked. Securing groupcommunication and group key establishment for ad hoc networksis covered in this paper. For a secure group communication in adhoc networks, a group key is needed to be shared between groupmembers to encrypt group messages. The main idea is to havegroup members actively participate to the security of the multicastgroup, therefore reducing the communication and computationload on the source. Since the group security is distributed amongthe group members, we propose a service right certificate, to verifythat a node is authorized to join the group, and also acorresponding revocation mechanism.
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