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Cryptanalysis of a Dynamic ID-Based Remote User Authentication Scheme with Access Control for Multi-Server Environments

Debiao HE, Hao HU

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Summary :

Recently, Shao et al. [M. Shao and Y. Chin, A privacy-preserving dynamic id-based remote user authentication scheme with access control for multi-server environment, IEICE Transactions on Information and Systems, vol.E95-D, no.1, pp.161–168, 2012] proposed a dynamic ID-based remote user authentication scheme with access control for multi-server environments. They claimed that their scheme could withstand various attacks and provide anonymity. However, in this letter, we will point out that Shao et al.'s scheme has practical pitfalls and is not feasible for real-life implementation. We identify that their scheme is vulnerable to two kinds of attacks and cannot provide anonymity.

Publication
IEICE TRANSACTIONS on Information Vol.E96-D No.1 pp.138-140
Publication Date
2013/01/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E96.D.138
Type of Manuscript
LETTER
Category
Information Network

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