ETSI TS 133 328-2016 Universal Mobile Telecommunications System (UMTS) LTE IP Multimedia Subsystem (IMS) media plane security (V13 0 0 3GPP TS 33 328 version 13 0 0 Release 13)《通用移.pdf

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1、 ETSI TS 1Universal Mobile TelIP Multimedia Subs(3GPP TS 33.3TECHNICAL SPECIFICATION133 328 V13.0.0 (2016elecommunications System (LTE; bsystem (IMS) media plane se.328 version 13.0.0 Release 1316-01) (UMTS); security 13) ETSI ETSI TS 133 328 V13.0.0 (2016-01)13GPP TS 33.328 version 13.0.0 Release 1

2、3Reference RTS/TSGS-0333328vd00 Keywords LTE,SECURITY,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Impor

3、tant notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written

4、authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the present document sh

5、ould be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following s

6、ervices: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PDF version

7、 shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2016. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registere

8、d for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 133 328 V13.0.0 (2016-01)23GPP TS 33.328 version

9、13.0.0 Release 13Intellectual Property Rights IPRs essential or potentially essential to the present document 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: “Inte

10、llectual 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, incl

11、uding 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. Foreword This Technical Specification (TS) h

12、as 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

13、reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. 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

14、 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 ETSI TS 133 328 V13.0.0 (2016-01)33GPP TS 33.328 version 13.0.0 Release 13Contents Intellectual Property Rig

15、hts 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 7g3Introduction 8g31 Scope 9g32 References 9g33 Definitions, symbols and abbreviations . 11g33.1 Definitions 11g33.2 Symbols 11g33.3 Abbreviations . 11g34 IMS media plane security overview . 12g34.1 Introduction 12g34.1.1 General 12g34.1.2 O

16、verview of key management solutions for IMS media plane security . 12g34.1.2.1 SDES based solution . 12g34.1.2.2 KMS based solution 13g34.1.2.3 Certificate fingerprints based solution for TLS . 13g34.2 IMS media plane security architecture . 14g34.2.1 General 14g34.2.2 E2ae security . 14g34.2.3 E2e

17、security using SDES 14g34.2.4 E2e security using KMS . 15g35 IMS media plane security features . 16g35.1 General . 16g35.2 Media integrity protection 16g35.3 Media confidentiality protection 16g35.4 Authentication and authorization . 16g35.4.1 Authentication and authorization for e2ae protection . 1

18、6g35.4.2 Authentication and authorization for e2e protection using SDES 17g35.4.3 Authentication and authorization for e2e protection using KMS 17g35.5 Security properties of key management, distribution and derivation . 18g35.5.1 General security properties for protection using SDES 18g35.5.2 Addit

19、ional security properties for e2ae protection using SDES 18g35.5.3 Security properties for e2e protection using KMS 19g35.5.4 Security properties for e2ae protection using TLS . 19g36 Security mechanisms 19g36.1 Media security mechanisms . 19g36.1.1 Media security mechanisms for real-time traffic 19

20、g36.1.2 Media security mechanisms for session based messaging (MSRP) 19g36.2 Key management mechanisms for media protection 20g36.2.1 Key management mechanisms for e2ae protection . 20g36.2.1.1 Endpoints for e2ae protection . 20g36.2.1.2 Key management protocol for e2ae protection . 20g36.2.1.3 Func

21、tional extension of the Iq interface for e2ae protection . 20g36.2.1.3.1 Functional extension of the Iq interface for e2ae protection for RTP . 20g36.2.1.3.2 Functional extension of the Iq interface for e2ae protection for MSRP 21g36.2.2 Key management mechanisms for e2e protection using SDES 21g36.

22、2.3 Key management mechanisms for e2e protection using KMS . 21g36.2.3.1 General 21g36.2.3.2 KMS user and user group identities 22g3ETSI ETSI TS 133 328 V13.0.0 (2016-01)43GPP TS 33.328 version 13.0.0 Release 136.2.3.3 IMS UE local policies . 22g36.2.3.4 Ticket data . 23g36.2.3.4.1 Ticket format . 2

23、3g36.2.3.4.2 Allocation of ticket subtype and version for ticket type 2 . 23g36.2.3.5 Authentication of public identities in REQUEST_INIT and RESOLVE_INIT 23g36.2.3.6 Authentication of terminating user identity . 23g36.2.3.7 Reusable tickets . 23g36.2.3.8 Signalling between KMSs . 24g37 Security ass

24、ociation set-up procedures for media protection . 24g37.1 IMS UE registration procedures . 24g37.1.1 Indication of support for e2ae security for RTP based media . 24g37.1.2 Indication of support for e2ae security for MSRP 25g37.2 IMS UE originating procedures 25g37.2.1 IMS UE originating procedures

25、for e2ae 25g37.2.2 IMS UE originating procedures for e2e using SDES 28g37.2.3 IMS UE originating procedures for e2e using KMS . 30g37.3 UE terminating procedures . 31g37.3.1 UE terminating procedures for e2ae . 31g37.3.2 IMS UE terminating procedures for e2e using SDES . 34g37.3.3 IMS UE terminating

26、 procedures for e2e using KMS 36g37.4 Session update procedures 37g37.5 Handling of emergency calls 37g3Annex A (Normative): HTTP based key management messages . 38g3A.1 General aspects . 38g3A.2 Key management procedures . 38g3A.3 Error situations . 39g3Annex B (Normative): KMS based key management

27、 40g3B.1 UE originating procedures 40g3B.1.1 Preconditions 40g3B.1.2 Procedures 40g3B.2 UE terminating procedures . 41g3B.2.1 General . 41g3B.2.2 Procedures for the case with one KMS domain 41g3B.2.2.1 Preconditions 41g3B.2.2.2 Procedures. 41g3B.2.3 Procedures for the case with two KMS domains 42g3B

28、.2.3.1 Preconditions 42g3B.2.3.2 Procedures. 42g3Annex C (Normative): SRTP profiling for IMS media plane security 44g3Annex D (Normative): MIKEY-TICKET profile for IMS media plane security . 45g3D.1 Scope 45g3D.2 General . 45g3D. 2A Keys, RANDs and algorithms 45g3D.3 Exchanges . 45g3D.3.1 Ticket Req

29、uest 45g3D.3.2 Ticket Transfer . 46g3D.3.3 Ticket Resolve 46g3D.4 Profiling of tickets 46g3Annex E (normative): Profiling of SDES . 48g3ETSI ETSI TS 133 328 V13.0.0 (2016-01)53GPP TS 33.328 version 13.0.0 Release 13Annex F (normative): IMS media plane security for immediate messaging 49g3F.1 General

30、 aspects . 49g3F.2 Security for immediate messaging based on SIP signalling security . 49g3F.3 Security for immediate messaging based on MIKEY-TICKET . 49g3F.3.1 UE sends a SIP MESSAGE 49g3F.3.2 UE receives a SIP MESSAGE . 50g3F.3.2 List server forwards a SIP MESSAGE to multiple recipients using a P

31、SI . 51g3F.3.2 List server forwards a SIP MESSAGE to multiple recipients using a URI-list 51g3Annex G (normative): IMS media plane security for conferencing . 52g3G.1 General aspects . 52g3G.2 Security for conferencing based on SIP signalling security . 52g3G.3 Security for conferencing based on MIK

32、EY-TICKET. 53g3G.3.1 Conference creation and policy control 53g3G.3.2 User joining a secure conference 54g3G.3.3 Subscribing to conference event package . 54g3Annex H (normative): Setup of TLS-PSK using MIKEY-TICKET 55g3H.1 The TLS Prot Type . 55g3H.2 Establishing a TLS connection . 56g3H.3 Usage wi

33、th SDP . 56g3Annex I (normative): Pre-shared key MIME protection 58g3I.1 The smime-type parameter . 58g3I.2 The Auth-Enveloped S/MIME type . 58g3I.2.1 General . 58g3I.2.2 Creating an Auth-Enveloped message 59g3I.3 Transferring KEK using MIKEY-TICKET 59g3I.4 MIKEY-TICKET profile for pre-shared key MI

34、ME protection 60g3Annex J: IANA considerations 61g3J.1 IANA assignments . 61g3Annex K: MIKEY general extension payload for message proof-of-origin 61g3K.1 Payload format . 61g3Annex L (normative): IMS media plane security for T.38 fax. 63g3L.1 Introduction 63g3L.2 Use cases 63g3L.3 e2ae security for

35、 T.38 fax using DTLS 63g3Annex M (normative): TLS profile for IMS media plane security . 66g3M.1 General . 66g3Annex N (normative): IMS media plane security interworking for WebRTC access to IMS . 67g3N.1 General . 67g3N.2 Media security for RTP 67g3N.2.1 General . 67g3N.2.2 e2ae security for RTP us

36、ing DTLS-SRTP 67g3ETSI ETSI TS 133 328 V13.0.0 (2016-01)63GPP TS 33.328 version 13.0.0 Release 13N.3 Media security for WebRTC data channels 68g3N.3.1 General . 68g3N.3.2 e2ae security for WebRTC data channels . 69g3Annex O (normative): Profiling of DTLS-SRTP . 71g3Annex P (informative): Change hist

37、ory . 72g3History 74g3ETSI ETSI TS 133 328 V13.0.0 (2016-01)73GPP TS 33.328 version 13.0.0 Release 13Foreword This Technical Specification has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may cha

38、nge 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 pres

39、ented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in

40、 the document. ETSI ETSI TS 133 328 V13.0.0 (2016-01)83GPP TS 33.328 version 13.0.0 Release 13Introduction With Common IMS it has become possible to use IMS over a wide variety of access networks. These access networks provide security of varying strengths, or, in some cases, no security at all. It

41、is therefore desirable to have a standard for IMS media plane security, which provides uniform protection of IMS media against eavesdropping and undetected modification across access networks. Furthermore, media transport in the core network, although generally less vulnerable than in the access net

42、work, may also be realised in varying ways with different guarantees of protection. It is therefore also desirable to have a standard for IMS media plane security, which guarantees protection of IMS media against eavesdropping and undetected modification in an end-to-end (e2e) fashion between two te

43、rminal devices. ETSI ETSI TS 133 328 V13.0.0 (2016-01)93GPP TS 33.328 version 13.0.0 Release 131 Scope The present document presents IMS media plane security for RTP and MSRP based media as well as security for BFCP as used in IMS conferencing. The security mechanisms are designed to meet the follow

44、ing three main objectives: 1. to provide security for media usable across all access networks 2. to provide an end-to-end (e2e) media security solution for RTP based media to satisfy major user categories 3. to provide end-to-end (e2e) media security for important user groups like enterprises, Natio

45、nal Security and Public Safety (NSPS) organizations and different government authorities who may have weaker trust in the inherent IMS security and/or may desire to provide their own key management service. The media plane security for RTP based media is based on the well established protocol SRTP.

46、Key management solutions for SRTP are defined in this specification. The media plane security for MSRP, used in session-based messaging, is based on TLS. TLS is also used to protect BFCP. Key management solutions for MSRP and BFCP security are defined in this specification. Two normative Annexes to

47、the present document address IMS media plane security for immediate messaging and conferencing, respectively. The media plane security for session-based messaging is addressed in the main body of this specification. 2 References The following documents contain provisions which, through reference in

48、this text, constitute provisions of the present document. - References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. - For a specific reference, subsequent revisions do not apply. - For a non-specific reference, the latest version appl

49、ies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document. 1 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 23.002: “Network architecture“. 3 3GPP TS 23.228: “IP Multimedia (IM) Subsystem“. 4 3GPP TS 33.203: “3G Security; Access security for IP-based services“. 5 3GPP TS 33.210: “3G Security; Network domain security; IP network layer security“. 6 3GPP TS 33.220: “Generic Authentication Architecture (GA