H.1 Introduction
24.1093GPPBootstrapping interface (Ub) and network application function interface (Ua)Protocol detailsRelease 17TS
This annex specifies the implementation option to allow the use of SIM cards or SIMs on UICC for GBA. The procedure specified in this annex is called 2G GBA. 2G GBA allows access to applications in a more secure way that would be possible with the use of password or with GSM without enhancements. Stage 2 level details for 2G GBA has been specified in 3GPP TS 33.220 [1], annex I.