Stolen-Verifier Attack on an Efficient Smartcard-Based One-Time Password Authentication Scheme

Wei-Chi KU, Hao-Chuan TSAI, Maw-Jinn TSAUR

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Summary :

Recently, Yeh, Shen, and Hwang proposed a smartcard-based one-time password authentication scheme as an improved version of S/KEY, and claimed that their scheme is superior to other similar schemes in security and efficiency. In this letter, we show that Yeh-Shen-Hwang's scheme is still vulnerable to a stolen-verifier attack that may cause serious security problems.

Publication
IEICE TRANSACTIONS on Communications Vol.E87-B No.8 pp.2374-2376
Publication Date
2004/08/01
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Fundamental Theories

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