Merge branch 'TTF_T048' of https://forge.etsi.org/rep/int/5g-core/nas into TTF_T048

[1]	ETSI TS 138 413: "5G;NG-RAN; NG Application Protocol (NGAP) (3GPP TS 38.413 version 16.12.0 Release 16)".

[2] ETSI TS 123 502: "5G;Procedures for the 5G System (5GS) (3GPP TS 23.502 version 16.19.0 Release 16)". 

 No newline at end of file

        } // end Group Security mode control procedure  

        Group "5.4.3 Identification procedure"

        {

            import all from Ngnas_Common;

            Test Purpose {

                TP Id TP_5GNAS_AMF_IDN_REQ_01

                Test objective "Verify that the IUT initiates the identification procedure by sending an IDENTITY_REQUEST message with identity type set to SUCI when the IUT receives a REGISTRATION_REQUEST message containing a 5G-GUTI that is not known by the IUT."

                Reference

                    "ETSI TS 123 502 [2], Clause 4.2.2.2.2

                     ETSI TS 124 501 [1], Clauses 5.4.3.2 and 8.2.21"

                Config Id CF_AMF_N2N1

                PICS Selection PICS_A4/3

                Initial conditions with {

                    the UE entity isNotRegisteredToAMF

                }

                Expected behaviour

                    ensure that {

                        when {

                            the IUT entity receives an INITIAL_UE_MESSAGE containing

                                NAS_PDU containing

                                    extended_protocol_discriminator set to 5GS_MOBILITY_MANAGEMENT_MESSAGES,

                                    security_header_type set to NOT_SECURITY_PROTECTED,

                                    message_type set to REGISTRATION_REQUEST,

                                    5GS_mobile_identity containing

                                        Type_of_identity set to 5G_GUTI,

                                        MCC indicating value PX_MCC,

                                        MNC indicating value PX_MNC,

                                        AMF_Region_ID indicating value PX_AMF_REGION_ID,

                                        AMF_Set_ID indicating value PX_AMF_SET_ID,

                                        AMF_Pointer indicating value PX_AMF_POINTER,

                                        5G_TMSI indicating value PX_5G_TMSI;;;

                            from the GNB entity

                        }

                        then {

                            the IUT entity sends a DOWNLINK_NAS_TRANSPORT containing

                                NAS_PDU containing

                                    extended_protocol_discriminator set to 5GS_MOBILITY_MANAGEMENT_MESSAGES,

                                    security_header_type set to INTEGRITY_PROTECTED,

                                    message_type set to IDENTITY_REQUEST,

                                    identity_type set to SUCI;;

                            to the GNB entity

                        }

                    }

            } // end TP_5GNAS_AMF_IDN_REQ_01

        } // end Group Identification procedure

        Group "5.4.4 Generic UE configuration update procedure"

        {

            import all from Ngnas_Common;