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Single password authentication (SPA) schemes are introduced to overcome the challenges of traditional password authentications, which are vulnerable to offline dictionary, phishing, honeypot, and man-...
The design of secure and efficient smart-card-based password authentication schemes remains a challenging problem today despite two decades of intensive research in the security community, and the c...
We show that a recently proposed password authentication scheme based on geometric hashing has several security weaknesses, and that the use of this scheme should be avoided in practice.
Authentication is the process for identify the user authorized or not. The identity contains mainly the username and passwords for verifying the two entities. The authentication informations are stor...
Secure protocols for password-based user authentication are well-studied in the cryptographic literature but have failed to see wide-spread adoption on the Internet; most proposals to date require e...
Users frequently reuse their passwords when authenticating to various online services. Combined with the use of weak passwords or honeypot/phishing attacks, this brings high risks to the security of t...
The security of a password authentication and update scheme based on elliptic curve cryptography proposed by Islam et al. [S.K. Hafizul Islam, G.P. Biswas, Design of improved password authentication a...
Since Kerberos suffers from KDC (Key Distribution Center) compromise and impersonation attack, a multi-server password authentication protocol which highlights no verification table in the server end ...
User authentication is an essential task for network security. To serve this purpose,in the past years, several strong password authentication schemes have been proposed, but none of them probably wi...
In 1988, Harn, Laih and Huang proposed a password authentication scheme based on quadratic residues. However, in 1995, Chang, Wu and Laih pointed out that if the parameters a ,b ,d and l are known b...
Recently, J.-J. Shen, C.-W. Lin and M.-S. Hwang (Computers & Security, Vol 22, No 7, pp 591-595, 2003) proposed a modified Yang-Shieh scheme to enhance security. They claimed that their modified sch...
In 1999, Yang and shieh proposed two password authentication schemes using smart cards. But in 2003, Sun and Yeh indicated that their schemes are subject to the forgery attack. So in 2005, Yang and ...

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