Cryptology ePrint Archive: Report 2011/234

Comments on a secure dynamic ID-based remote user authentication scheme for multi-server environment using smart cards

Debiao He

Abstract: The security of a dynamic ID-based remote user authentication scheme for multi-server environment using smart cards proposed by Lee et al. [Lee, C-C., Lin, T-H., Chang, R-X., A Secure Dynamic ID based Remote User Authentication Scheme for Multi-server Environment using Smart Cards, Expert Systems with Applications (2011), doi: 10.1016/j.eswa.2011.04.190] is analyzed. Three kinds of attacks are presented in different scenarios

Category / Keywords: cryptographic protocols / Authentication, smart cards, dynamic ID, multi-server system, password, attack

Publication Info: The paper has not been published elsewhere.

Date: received 11 May 2011

Contact author: hedebiao at 163 com

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Version: 20110517:062551 (All versions of this report)

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