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Provably secure identity-based key agreement protocols under simple assumption

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3 Author(s)
Xiufeng Zhao ; School of computer science and technology, Shandong University, Jinan, China ; Qiuliang Xu ; Hao Wang

In this paper, we present a two-party identity-based key agreement protocol, which is provably secure without random oracles under three static assumptions. It is inspired on a new identity-based encrypt system proposed in TCC 2010 by Lewko and Waters. We show how this key agreement can be used in either escrowed or escrowless mode. We also modify the protocol in the escrow to provide perfect forward secrecy property.

Published in:

Information Theory and Information Security (ICITIS), 2010 IEEE International Conference on

Date of Conference:

17-19 Dec. 2010