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Secure Geocast in Ad Hoc Network Using Multicasting Key Distribution Scheme (SGAMKDS)

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2 Author(s)
Palanisamy, V. ; Dept. of Comput. Sci. & Eng., Alagappa Univ., Karaikudi, India ; Annadurai, P.

An ad hoc network is a kind of wireless communication infrastructure that does not have base stations or routers. Each node acts as a router and is responsible for dynamically discovering other nodes it can directly communicate with. However, when a message without encryption is sent out through a general tunnel, it may be maliciously attacked. Ad hoc networks are increasingly growing these days and security field in ad hoc network communication has become a common research field. This paper addresses the problem of geocasting in mobile ad hoc network (MANET) environments. Geocast is useful for sending messages to everyone in a specified geographical region. Geocasting is a variant of the conventional multicasting problem. For multicasting, conventional protocols define a multicast group as a collection of hosts which register to a multicast group address. However, for geocasting, the group consists of the set of all nodes within a specified geographical region. Securing group communication and group key establishment for geocasting in ad hoc networks is covered in this paper. For a secure geocasting in ad hoc network for group communication, a group key is needed to be shared between group members to encrypt group messages. The main idea is to have group members actively participate to the security of the multicast group, therefore reducing the communication and computation load on the source. Since the group security is distributed among the group members in the specified geographical region.

Published in:

Computer Science and Information Technology - Spring Conference, 2009. IACSITSC '09. International Association of

Date of Conference:

17-20 April 2009