Evaluation of UICC-based IMS authentication schemes

Abstract: This thesis study involves evaluation of UICC based IMS authentication schemes. The schemes included in this study are IMS AKA, E-IMS AKA, One-Pass GPRS IMS authentication and Early IMS security. These schemes are evaluated on the basis of security, user friendliness and simplicity. Based on the analysis it is concluded that the IMS AKA which is the standardized authentication mechanism for IMS and embedded in ISIM is the most suitable authentication scheme for IMS, regardless of access network. However, the Early IMS authentication scheme is used only for GSM/GPRS network.