Key Agreement for Large-Scale Dynamic Peer Group
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Yi, Xun and Okamoto, Eiji (2011) Key Agreement for Large-Scale Dynamic Peer Group. GSTF International Journal on Computing, 1 (2). pp. 52-60. ISSN 2010-2283
Abstract
Many applications in distributed computing systems, such as IP telephony, teleconferencing, collaborative workspaces, interactive chats and multi-user games, involve dynamic peer groups. In order to secure communications in dynamic peer groups, group key agreement protocols are needed. In this paper, we come up with a new group key agreement protocol, composed of a basic protocol and a dynamic protocol, for large-scale dynamic peer groups. Our protocols are natural extensions of one round tripartite Diffie-Hellman key agreement protocol. In view of it, our protocols are believed to be more efficient than those group key agreement protocols built on two-party Diffie- Hellman key agreement protocol. In addition, our protocols have the properties of group key secrecy, forward and backward secrecy, and key independence.
| Item type | Article |
| URI | https://vuir.vu.edu.au/id/eprint/9136 |
| Subjects | Historical > FOR Classification > 0806 Information Systems Historical > FOR Classification > 1005 Communications Technologies Historical > SEO Classification > 8903 Information Services Historical > Faculty/School/Research Centre/Department > School of Engineering and Science |
| Keywords | ResPubID23611, group key agreement, tripartite Diffie-Hellman key agreement, Weil pairing |
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