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A New Efficient and Strongly Secure Authenticated Key Exchange Protocol

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3 Author(s)
Qingfeng Cheng ; Zhengzhou Inf. Sci. & Technol. Inst., Zhengzhou, China ; Guangguo Han ; Chuangui Ma

In 2007, LaMacchia et al.proposed the extended Canetti-Krawczyk (eCK) model for authenticated key exchange (AKE) protocols. In this paper, we first modify the eCK model by adding a new query to make the adversary can reveal all ephemeral secret information. Then we propose a new efficient and strongly secure AKE protocol in the asymmetric setting, called E-NETS (enhanced NETS) protocol, and prove its security in the modified eCK (meCK) model under the random oracle assumption and the gap Diffie-Hellman assumption.

Published in:

Information Assurance and Security, 2009. IAS '09. Fifth International Conference on  (Volume:1 )

Date of Conference:

18-20 Aug. 2009