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IJNSEC
2008
13 years 8 months ago
2008
In 2005, Lee, Kim, and Yoo proposed a nonce-based mutual authentication scheme using smart cards. However, this paper demonstrates that Lee-Kim-Yoo's scheme is vulnerable to ...
IJNSEC
2008
13 years 8 months ago
2008
The notion of rational exchange introduced by Syverson in 1998 is a particularly interesting alternative when an efficient scheme for fair exchange is required but the existence o...
IAJIT
2006
13 years 8 months ago
2006
IJNSEC
2006
13 years 8 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...
IJNSEC
2006
13 years 8 months ago
2006
In 2004, C. Park proposed an authentication protocol to provide user anonymity and untraceability in wireless mobile communication systems. The real user identities are hidden and...