On the Security of an Efficient and Secure Dynamic ID-Based Remote User Authentication Scheme

Eun-Jun YOON  Kee-Young YOO  

Publication
IEICE TRANSACTIONS on Information and Systems   Vol.E95-D   No.6   pp.1684-1686
Publication Date: 2012/06/01
Online ISSN: 1745-1361
DOI: 10.1587/transinf.E95.D.1684
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Information Network
Keyword: 
authentication,  password,  cryptanalysis,  hash function,  smartcard,  

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Summary: 
In 2009, Wang et al. proposed an efficient and secure dynamic ID-based remote user authentication scheme based on the one-way secure hash function. This letter demonstrates that Wang et al.'s scheme is still vulnerable to impersonation attacks.