I.1 Introduction

24.1093GPPBootstrapping interface (Ub) and network application function interface (Ua)Protocol detailsRelease 17TS

This annex specifies the implementation option to use SIP Digest credentials for GBA. The procedure specified in this annex is called GBA_Digest. GBA_Digest allows access to applications in a more secure way that would be possible with the use of password based HTTP Digest. Stage 2 level description for GBA_Digest has been specified in 3GPP TS 33.220 [1], annex M.