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Erschienen in:
2011 | OriginalPaper | Buchkapitel
Secure Hash-Based Password Authentication Protocol Using Smartcards
verfasst von : Hyunhee Jung, Hyun Sung Kim
Erschienen in: Computational Science and Its Applications - ICCSA 2011
Verlag: Springer Berlin Heidelberg
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Recently, Jeong-Won-Kim proposed a hash-based strong-password authentication protocol and claimed that the protocol is secure against guessing attack, stolen-verifier attack, replay attack, and impersonation attack. However, we show that their protocol has two vulnerabilities, password guessing attack and authentication answer guessing attack. Furthermore, we present a secure hash-based password authentication protocol using smartcards to cope with the vulnerabilities. Security analysis shows that our protocol provides better security properties than the other related authentication protocols with the similar computational complexity with others.