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On the Security of an Efficient and Secure Dynamic ID-Based Remote User Authentication Scheme
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/06/01
Online ISSN: 1745-1361
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Information Network
authentication, password, cryptanalysis, hash function, smartcard,
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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.