Authentication and key agreement scheme for CDMA cellular system

The code division multiple access (CDMA) system is considered to be the most secured cellular standard because of its strong security techniques such as scrambling and interleaving. These security techniques have been improved from the GSM security system. However, the CDMA cellular standard still has some limitations particularly in term of authentication and key agreement process. In this paper, a new authentication and key agreement protocol is proposed to provide a security technique to ensure the mutual authentication of both the mobile station and the network provider, as well as provide a key agreement protocol for session keys by using short and efficenent signature with bilinear pairing method with some modifications to make the proposed scheme more compatible for the CDMA cellular system.