ETSI TS 129 573 V15.1.0 (2019-04)

5G; 5G System; Public Land Mobile Network (PLMN) Interconnection; Stage 3 (3GPP TS 29.573 version 15.1.0 Release 15)

ETSI TS 129 573 V15.1.0 (2019-04)

Name:ETSI TS 129 573 V15.1.0 (2019-04)   Standard name:5G; 5G System; Public Land Mobile Network (PLMN) Interconnection; Stage 3 (3GPP TS 29.573 version 15.1.0 Release 15)
Standard number:ETSI TS 129 573 V15.1.0 (2019-04)   language:English language
Release Date:10-Apr-2019   technical committee:3GPP CT 4 - MAP/CAMEL/GTP/BCH/SS/TrFO/IMS/GUP/WLAN (formely CN4)
Drafting committee:   ICS number:
ETSI TS 129 573 V15.1.0 (2019-04)






TECHNICAL SPECIFICATION
5G;
5G System;
Public Land Mobile Network (PLMN) Interconnection;
Stage 3
(3GPP TS 29.573 version 15.1.0 Release 15)



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3GPP TS 29.573 version 15.1.0 Release 15 1 ETSI TS 129 573 V15.1.0 (2019-04)



Reference
DTS/TSGC-0429573vf10
Keywords
5G
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3GPP TS 29.573 version 15.1.0 Release 15 2 ETSI TS 129 573 V15.1.0 (2019-04)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
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ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
Foreword
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI

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3GPP TS 29.573 version 15.1.0 Release 15 3 ETSI TS 129 573 V15.1.0 (2019-04)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 6
1 Scope . 7
2 References . 7
3 Definitions and abbreviations . 8
3.1 Definitions . 8
3.2 Abbreviations . 8
4 General Description . 8
4.1 Introduction . 8
4.2 N32 Interface . 8
4.2.1 General . 8
4.2.2 N32-c Interface . 8
4.2.3 N32-f Interface . 9
4.3 Protocol Stack . 9
4.3.1 General . 9
4.3.2 HTTP/2 Protocol . 10
4.3.2.1 General . 10
4.3.2.2 HTTP standard headers . 10
4.3.2.3 HTTP custom headers . 10
4.3.2.4 HTTP/2 connection management . 11
4.3.3 Transport Protocol . 11
4.3.4 Serialization Protocol . 11
5 N32 Procedures . 11
5.1 Introduction . 11
5.2 N32 Handshake Procedures (N32-c) . 11
5.2.1 General . 11
5.2.2 Security Capability Negotiation Procedure . 12
5.2.3 Parameter Exchange Procedure . 12
5.2.3.1 General . 12
5.2.3.2 Parameter Exchange Procedure for Cipher Suite Negotiation . 13
5.2.3.3 Parameter Exchange Procedure for Protection Policy Exchange . 13
5.2.4 N32-f Context Termination Procedure . 15
5.2.5 N32-f Error Reporting Procedure . 16
5.3 JOSE Protected Message Forwarding Procedure on N32 (N32-f) . 17
5.3.1 Introduction. 17
5.3.2 Use of Application Layer Security. 17
5.3.2.1 General . 17
5.3.2.2 Protection Policy Lookup . 18
5.3.2.3 Message Reformatting . 18
5.3.2.4 Message Forwarding to Peer SEPP . 20
5.3.3 Message Forwarding to Peer SEPP when TLS is used . 20
6 API Definitions . 21
6.1 N32 Handshake API . 21
6.1.1 API URI . 21
6.1.2 Usage of HTTP . 21
6.1.2.1 General . 21
6.1.2.2 HTTP standard headers . 21
6.1.2.2.1 General . 21
6.1.2.2.2 Content type . 21
6.1.2.3 HTTP custom headers . 21
6.1.2.3.1 General . 21
ETSI

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3GPP TS 29.573 version 15.1.0 Release 15 4 ETSI TS 129 573 V15.1.0 (2019-04)
6.1.3 Resources . 21
6.1.3.1 Overview . 21
6.1.4 Custom Operations without Associated Resources . 22
6.1.4.1 Overview . 22
6.1.4.2 Operation: Security Capability Negotiation . 22
6.1.4.2.1 Description . 22
6.1.4.2.2 Operation Definition . 22
6.1.4.3 Operation: Parameter Exchange . 23
6.1.4.3.1 Description . 23
6.1.4.3.2 Operation Definition . 23
6.1.4.4 Operation: N32-f Context Terminate . 23
6.1.4.4.1 Description . 23
6.1.4.4.2 Operation Definition . 23
6.1.4.5 Operation: N32-f Error Reporting . 24
6.1.4.5.1 Description . 24
6.1.4.5.2 Operation Definition . 24
6.1.5 Data Model . 25
6.1.5.1 General . 25
6.1.5.2 Structured data types . 25
6.1.5.2.1 Introduction . 25
6.1.5.2.2 Type: SecNegotiateReqData . 25
6.1.5.2.3 Type: SecNegotiateRspData . 26
6.1.5.2.4 Type: SecParamExchReqData . 26
6.1.5.2.5 Type: SecParamExchRspData . 27
6.1.5.2.6 Type: ProtectionPolicy . 27
6.1.5.2.7 Type: ApiIeMapping . 27
6.1.5.2.8 Type: IeInfo . 28
6.1.5.2.9 Type: ApiSignature . 29
6.1.5.2.10 Type: N32fContextInfo . 29
6.1.5.2.11 Type: N32fErrorInfo . 29
6.1.5.2.12 Type: FailedModificationInfo . 29
6.1.5.2.13 Type: N32fErrorDetail . 30
6.1.5.2.14 Type: CallbackName . 30
6.1.5.3 Simple data types and enumerations . 30
6.1.5.3.1 Introduction . 30
6.1.5.3.2 Simple data types . 30
6.1.5.3.3 Enumeration: SecurityCapability. 30
6.1.5.3.4 Enumeration: HttpMethod . 30
6.1.5.3.5 Enumeration: IeType . 31
6.1.5.3.6 Enumeration: IeLocation . 31
6.1.5.3.7 Enumeration: N32fErrorType . 31
6.1.5.3.8 Enumeration: FailureReason . 31
6.1.5.4 Binary data . 31
6.1.6 Error Handling . 32
6.1.6.1 General . 32
6.1.6.2 Protocol Errors . 32
6.1.6.3 Application Errors . 32
6.2 JOSE Protected Message Forwarding API on N32 . 32
6.2.1 API URI . 32
6.2.2 Usage of HTTP . 32
6.2.2.1 General . 32
6.2.2.2 HTTP standard headers . 32
6.2.2.2.1 General . 32
6.2.2.2.2 Content type . 32
6.2.2.3 HTTP custom headers . 32
6.2.2.3.1 General . 32
6.2.3 Resources . 33
6.2.3.1 Overview . 33
6.2.4 Custom Operations without Associated Resources . 33
6.2.4.1 Overview . 33
6.2.4.2 Operation: JOSE Protected Forwarding . 33
6.2.4.2.1 Description . 33
ETSI

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3GPP TS 29.573 version 15.1.0 Release 15 5 ETSI TS 129 573 V15.1.0 (2019-04)
6.2.4.2.2 Operation Definition . 33
6.2.5 Data Model . 34
6.2.5.1 General . 34
6.2.5.2 Structured data types . 34
6.2.5.2.1 Introduction . 34
6.2.5.2.2 Type: N32fReformattedReqMsg . 35
6.2.5.2.3 Type: N32fReformattedRspMsg . 36
6.2.5.2.4 Type: DataToIntegrityProtectAndCipherBlock . 36
6.2.5.2.5 Type: DataToIntegrityProtectBlock . 37
6.2.5.2.6 Type: RequestLine . 37
6.2.5.2.7 Type: HttpHeader . 37
6.2.5.2.8 Type: HttpPayload . 38
6.2.5.2.9 Type: MetaData . 41
6.2.5.2.10 Type: Modifications . 41
6.2.5.2.11 Type: FlatJweJson . 42
6.2.5.2.12 Type: FlatJwsJson . 43
6.2.5.2.13 Type: IndexToEncryptedValue . 43
6.2.5.2.14 Type: EncodedHttpHeaderValue . 43
6.2.5.3 Simple data types and enumerations . 43
6.2.5.3.1 Introduction . 43
6.2.5.3.2 Simple data types . 43
6.2.5.3.3 Void . 44
6.2.5.3.4 Void . 44
6.2.6 Error Handling . 44
6.2.6.1 General . 44
6.2.6.2 Protocol Errors . 44
6.2.6.3 Application Errors . 44
Annex A (normative): OpenAPI Specification . 45
A.1 General . 45
A.2 N32 Handshake API . 45
A.3 JOSE Protected Message Forwarding API on N32-f. 50
Annex B (informative): Examples of N32-f Encoding . 54
B.1 General . 54
B.2 Input Message Containing No Binary Part . 54
B.3 Input Message Containing Multipart Binary Part . 55
Annex C (informative): Change history . 57
History . 58

ETSI

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3GPP TS 29.573 version 15.1.0 Release 15 6 ETSI TS 129 573 V15.1.0 (2019-04)
Foreword
This Technical Specification has been produced by the 3rd Generation Partnership Project (3GPP).
The contents of the present document are subject to continuing work within the TSG and may change following formal
TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an
identifying change of release date and an increase in version number as follows:
Version x.y.z
where:
x the first digit:
1 presented to TSG for information;
2 presented to TSG for approval;
3 or greater indicates TSG approved document under change control.
y the second digit is incremented for all changes of subs
...

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