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An Efficient Three Party Authenticated Key Exchange for Mobile Communications

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3 Author(s)
Hui-Feng Huang ; Grad. Sch. of Comput. Sci. & Inf. Technol., Nat. Taichung Inst. of Technol., Taichung, Taiwan ; Yi-Jia Chang ; Kuo-Ching Liu

In three-party password based key exchange protocol, a client is allowed to share a human-memorable password with a trusted server such that two clients can negotiate a session key to communicate with each other secretly. Recently, many three-party password based key exchange protocols have been developed. However, these proposed schemes cannot simultaneously achieve security and efficiency. Based on elliptic curve cryptography (ECC), this article will propose a new three-party password based authenticated key exchange scheme. The proposed method not only reduces computation cost for remote users and a trusted server but also is more efficient than previously proposed schemes. It is very suitable for hardware-limited users such as mobile units or smart cards.

Published in:

Pervasive Systems, Algorithms, and Networks (ISPAN), 2009 10th International Symposium on

Date of Conference:

14-16 Dec. 2009