26 search results - page 1 / 6 » Cryptanalysis of Two Improved Password Authentication Scheme... |
IJNSEC
2006
13 years 4 months ago
2006
Recently, Yang et al. improved Yang and Shieh's two password authentication schemes to withstand Sun and Yeh's forgery attacks. However, Kim et al. pointed out that Yang...
IACR
2011
12 years 4 months ago
2011
Abstract—In this work we consider two protocols for performing cryptanalysis and security enhancement. The first one by Song, is a password authentication scheme based on smart ...
CSI
2007
13 years 4 months ago
2007
In 2002, Chien et al. proposed an efficient remote authentication scheme using smart cards, in which only few hashing operations are required. Later, Ku et al. gave an improved sc...
CORR
2008
Springer
13 years 5 months ago
2008
Springer
In 2005, Yang, Wang, and Chang proposed an improved timestamp-based password authentication scheme in an attempt to overcome the flaws of Yang-Shieh's legendary timestamp-base...
AMC
2005
13 years 4 months ago
2005
Recently, Yang and Shieh proposed two password authentication schemes by employing smart cards. One is a timestamp-based password authentication scheme and the other is a nonce-ba...