A new efficient fingerprint-based remote user authentication scheme for multimedia systems

Abstract

In applications of multimedia communication, the remote user authentication is an important issue to protect the multimedia resources. Recently, Lin-Lai proposed an improvement on the Lee-Ryu-Yoo fingerprint-based remote user authentication scheme using smart cards to not only keep the original advantages but also enhance their security. Lin-Lai claimed that their scheme can withstand masquerade attacks and secure access control in multimedia communication. However, we have found that the scheme is still susceptible to impersonation attacks. Accordingly, the current paper demonstrates the vulnerability of the Lin-Lai scheme to impersonation attacks and presents an improved scheme with better security strength and efficiency. The computational costs of the proposed scheme are less than those of the Lin-Lai scheme. © Springer-Verlag Berlin Heidelberg 2005.