Improvement of an efficient user identification scheme based on ID-Based cryptosystem

Authors:
Eun-Jun Yoon;Kee-Young Yoo
Affiliations:
Department of Computer Engineering, Kyungpook National University, Daegu, Republic of Korea;Department of Computer Engineering, Kyungpook National University, Daegu, Republic of Korea
Venue:
EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
Year:
2005

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Abstract

In 2004, Hwang et al. proposed an efficient user identification scheme based on an ID-based cryptosystem that is suitable for the wireless/mobile environment. However, we find that their scheme is still vulnerable to impersonation attack. Accordingly, the current paper first shows the weakness of Hwang et al.’s scheme, and then presents an enhancement to resolve such problems.