Abstract
Multicast communication is going to be the communication paradigm of all future networks. Secure multicasting is a very vital problem in today’s networks. In secure multicasting, the group members share a common key called the group key. Whenever the group members change, the group key must be changed. Therefore, many multicast security problems are abstracted into key management and distribution problems. The problem of distributing cryptographic keys to the group members in an optimum way that minimizes the communication and storage overheads are the important objectives of a secure multicast problem. In this paper, an efficient key management technique is proposed that minimizes the number of message exchanges and the number of keys stored. Existing key management methods have O(N) and O(log N) overheads. The proposed method shows further improvement. The model has been simulated and the results show improvements to existing approaches.
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G. Padmavathi has been a member of Computer Science Department, Avinashilingam Deemed University, and Coimbatore, India, for 18 years. She has contributed 20 papers at national level and 5 papers at international level. She has four publications in the areas of Fault Tolerant Real Time Systems, Cryptography and Network Security.
S. Annadurai, Principal of Government Engineering College, Tirunelveli, Tamil Nadu, India, is a reputed educationalist. He has more than 150 publications at national and international level, and is an expert committee member for government and membership in many professional organizations. His research interests include Image Processing, Soft Computing and Network Security.
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Padmavathi, G., Annadurai, S. Improved Key Management Technique for Secure Multicasting over IP. J Netw Syst Manage 13, 293–308 (2005). https://doi.org/10.1007/s10922-005-6266-2
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DOI: https://doi.org/10.1007/s10922-005-6266-2