3 papers
cs.CR2005
The Modified Scheme is still vulnerable to the parallel Session Attack
Manoj Kumar
In 2002, Chien–Jan–Tseng introduced an efficient remote user authentication scheme using smart cards. Further, in 2004, W. C. Ku and S. M. Chen proposed an efficient re…
cs.CR2005
Faults and Improvements of an Enhanced Remote User Authentication Scheme Using Smart Cards
Manoj Kumar
In 2000, Hwang and Li proposed a remote user authentication scheme using smart cards to solve the problems of Lamport scheme. Later, Chan- Chang, Shen- Lin- Hwang and then Chang-Hw…
cs.CR2004
The Password Change Phase is Still Insecure
Manoj Kumar
In 2004, W. C. Ku and S. M. Chen proposed an efficient remote user authentication scheme using smart cards to solve the security problems of Chien et al.'s scheme. Recently, Hsu an…