Because of the evolution of mobile devices and networks, users can now access a network
at any moment, in whatever place with a smart card. User authentication using smart card is …

Since 2004, several user authentication schemes purpose to provide user anonymity in
wireless communication have been announced, however, many of them failed to provide …

An authenticated key distribution scheme preserving user anonymity is important to those e-
commerce applications where user anonymity is required or desirable. However, the …

Several remote user authentication techniques for telecare medicine information system
(TMIS) have been proposed in the literature. But most existing techniques have limitations …

The rapid increase in user base and technological penetration has enabled the use of a
wide range of devices and applications. The services are rendered to these devices from …

Recently, with the growth of the smartphone, wireless communi-cations using mobile device
are growing rapidly around the world. The most advantage of the wireless communication is …

Seamless roaming over wireless network is highly desirable to mobile users, and security
such as authentication of mobile users is challenging. Recently, due to tamper-resistance …

To design a mobile user authentication protocol with anonymity for the global mobile
network is a challenge, since wireless network is more vulnerable to attacks and mobile …

User authentication and privacy protection are important issues for wireless and mobile
communication systems such as GSM, 3G, and 4G wireless networks. Recently, Yoon et al …

To preserve user privacy and guarantee data confidentiality on the mobile Internet, it is
crucial to secure communication between the mobile devices held by users and a remote …