In 2003, Yang, Chang, and Hwang proposed an enhanced scheme of Peyravivan-Zunic’s password authentication scheme by using the Diffie-Hellman scheme. Later, Yoon, Ryu, and Yoo de...
In 2000, Sun proposed an efficient remote user authentication scheme using smart cards without requiring a password table. However, the password of a user is an un-human lengthy p...
Song [8] proposed very recently a password-based authentication and key establishment protocol using smart cards which attempts to solve some weaknesses found in a previous scheme...
Recently, Lee, Ryu and Yoo proposed a fingerprint-based remote user authentication scheme by using smart cards and biometrics. Their scheme is based on two tiers of ElGamal's...