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2008 International Conference on Computational Intelligence and Security
Efficient Universally Composable Password-Based Key Exchange
December 13-December 17
ISBN: 978-0-7695-3508-1
In this article, we propose an improvement on the universally composable password-based key exchange protocol. We replace one-time signature with message authentication codes which reduce the bandwidth consumption. For typical security parameters our improvement saves as much as 12 Kbytes of bandwidth in a protocol execution. Our protocol can be efficiently instantiated using either the DDH or the N-Residuosity Assumption. A complete security proof of the proposed protocol is given in the universally composable framework under common reference string model.
Index Terms:
universally composable, reference string model, Simulation-Sound, MAC, Password-based
Citation:
Hong-Yong Jia, Si-Han Qing, Li-Ze Gu, Yi-Xian Yang, "Efficient Universally Composable Password-Based Key Exchange," cis, vol. 2, pp.293-298, 2008 International Conference on Computational Intelligence and Security, 2008
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