A user friendly authentication scheme with anonymity for wireless communications

Secure user authentication is an important issue for wireless environment such as GSM, CDPD, and 3G and 4G wireless systems. Especially, anonymity of the mobile users should be guaranteed to protect the privacy of the mobile users. This paper proposes a user friendly authentication scheme with anonymity for wireless communications that not only can overcome the weaknesses of the previous related schemes, but also can provide efficiency and security to suitable for battery-powered mobile devices in wireless communication systems. (C) 2011 Elsevier Ltd. All rights reserved.