1、 ETSI TS 133 303 V14.0.0 (2017-04) Universal Mobile Telecommunications System (UMTS); LTE; Proximity-based Services (ProSe); Security aspects (3GPP TS 33.303 version 14.0.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 133 303 V14.0.0 (2017-04)13GPP TS 33.303 version 14.0.0 Release 14Reference RT
2、S/TSGS-0333303ve00 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 Important notice T
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9、 TS 133 303 V14.0.0 (2017-04)23GPP TS 33.303 version 14.0.0 Release 14Intellectual 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 no
10、n-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/). Pu
11、rsuant 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 d
12、ocument. 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 referenc
13、es to the corresponding ETSI deliverables. The cross 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“,
14、“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 ETSI TS 133 303 V14.0.0 (2017-04)33GPP TS 33.303 versio
15、n 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 7g31 Scope 8g32 References 8g33 Definitions and abbreviations . 10g33.1 Definitions 10g33.2 Abbreviations . 10g34 Overview of ProSe security 12g34.1 General . 12g34.2 Reference points and
16、Functional Entities . 12g35 Common security procedures . 12g35.1 General . 12g35.2 Network domain security . 12g35.2.1 General 12g35.2.2 Security requirements . 12g35.2.3 Security procedures. 12g35.3 Security of UE to ProSe Function interface . 13g35.3.1 General 13g35.3.2 Security requirements . 13g
17、35.3.3 Security procedures. 13g35.3.3.1 Security procedures for configuration transfer to the UICC 13g35.3.3.2 Security procedures for data transfer to the UE 13g35.4 Security of the PC2 reference point 14g35.4.1 Requirements on PC2 reference point 14g35.4.2 Security procedures for PC2 reference poi
18、nt 14g36 Security for ProSe features . 15g36.1 ProSe direct discovery 15g36.1.1 Overview of ProSe direct discovery in network coverage 15g36.1.2 Security requirements . 15g36.1.3 Security procedures. 16g36.1.3.1 Interface between the UE and ProSe Function 16g36.1.3.2 Interfaces between network eleme
19、nts 16g36.1.3.3 Integrity protection and validation of the transmitted code for open discovery 16g36.1.3.3.1 Open discovery security flows 16g36.1.3.4 Restricted discovery 19g36.1.3.4.1 General 19g36.1.3.4.2 Security flows 19g36.1.3.4.2.1 Model A security flows 19g36.1.3.4.2.2 Model B security flows
20、 22g36.1.3.4.3 Protection of the discovery messages over the PC5 interface . 25g36.1.3.4.3.1 General . 25g36.1.3.4.3.2 Message Processing in the sending UE 26g36.1.3.4.3.3 Protected message processing in the receiving UE 26g36.1.3.4.3.4 Integrity protection description 27g36.1.3.4.3.5 Scrambling des
21、cription 27g36.1.3.4.3.6 Message-specific confidentiality description . 27g36.2 Security for One-to-many ProSe direct communication. 28g36.2.1 Overview of One-to-many ProSe direct communication 28g36.2.2 Security requirements . 28g36.2.3 Bearer layer security mechanism 29g3ETSI ETSI TS 133 303 V14.0
22、.0 (2017-04)43GPP TS 33.303 version 14.0.0 Release 146.2.3.1 Security keys and their lifetimes . 29g36.2.3.2 Identities 29g36.2.3.3 Security flows . 31g36.2.3.3.1 Overview . 31g36.2.3.3.2 Messages between UE and ProSe Key Management Function . 33g36.2.3.3.2.1 General . 33g36.2.3.3.2.2 Key Request an
23、d Key Response messages 33g36.2.3.3.2.3 MIKEY messages 35g36.2.3.3.2.3.1 General . 35g36.2.3.3.2.3.2 Creation of the MIKEY key delivery message . 35g36.2.3.3.2.3.3 Processing the MIKEY key delivery message . 35g36.2.3.3.2.3.4 MIKEY Verification message 36g36.2.3.4 Protection of traffic between UE an
24、d ProSe Function 36g36.2.3.5 Protection of traffic between UE and ProSe Key Management Function . 36g36.2.3.6 Protection of traffic between UEs . 36g36.2.3.6.1 Protection of data . 36g36.2.3.6.2 Key derivation data in PDCP header . 37g36.2.4 Solution description for media security of one-to-many com
25、munications . 38g36.3 EPC-level discovery of ProSe-enabled UEs . 39g36.3.1 Security for proximity request authentication and authorization 39g36.3.1.1 General 39g36.3.1.2 Application Server-signed proximity request 39g36.3.1.3 Proximity request digital signature algorithms and key strength 40g36.3.1
26、.4 Proximity request hash input format . 42g36.3.1.5 Verification key format . 42g36.3.1.6 Profile for Application Server certificate 42g36.3.2 Protection of traffic between UE and ProSe Function 42g36.4 Security for EPC support WLAN direct discovery and communication 43g36.5 Security for One-to-one
27、 ProSe Direct communication . 43g36.5.1 General 43g36.5.2 Security Requirements 43g36.5.3 Overview of One-to-one ProSe Direct communication 43g36.5.3.1 Description of differet layers of keys and their identities . 43g36.5.3.2 Security states . 44g36.5.3.3 High level overview of security establishmen
28、t . 44g36. 5.4 Direct Authentication and Key Establishment 45g36.5.4.1 General 45g36.5.5 Security Establishment procedures . 45g36.5.5.1 General 45g36.5.5.2 Security establishment during connection set-up 45g36.5.5.3 Rekeying security 46g36.5.6 Protection of the one-to-one traffic . 47g36.5.6.1 Gene
29、ral 47g36.5.6.2 Integrity protection 48g36.5.6.3 Confidentiality protection . 48g36.5.6.4 Security contents in the PCDP header . 48g36.5.7 ProSe one-to-one commuication security using ECCSI and SAKKE . 49g36.5.7.1 General 49g36.5.7.2 Key and their identities . 49g36.5.7.3 Security flows . 49g36.5.7.
30、3.1 Direct Connection Request . 49g36.5.7.3.2 Direct Rekeying Request. 50g36.6 Security for ProSe Public Safety Discovery . 51g36.6.1 General 51g36.6.2 Security Requirements 51g36.6.3 Overview of ProSe Public Safety Discovery 51g36.6.3.1 General 51g36.6.3.2 Key and their identities . 52g36.6.4 Secur
31、ity flows . 52g36.6.4.1 Overview. 52g36.6.4.2 Messages between UE and ProSe Key Management Function . 54g36.6.4.2.1 General 54g3ETSI ETSI TS 133 303 V14.0.0 (2017-04)53GPP TS 33.303 version 14.0.0 Release 146.6.4.2.2 Key Request and Key Response messages 54g36.6.4.2.3 MIKEY messages 55g36.6.4.2.3.1
32、General 55g36.6.5 Protection of traffic between UE and ProSe Function 55g36.6.6 Protection of traffic between UE and ProSe Key Management Function . 55g36.6.7 Protection of discovery messages between the UEs . 56g36.7 Security for ProSe UE-to-network relays . 56g36.7.1 General 56g36.7.2 Security Req
33、uirements 56g36.7.3 Overview of ProSe UE-to-network relay security 57g36.7.3.1 General 57g36.7.3.2 Security flows . 57g36.7.3.2.1 Overview . 57g36.7.3.2.1.1 Remote UE attaching to a ProSe UE-to-network relay 57g36.7.3.2.1.2 Re-synchronisation in GBA Push authentication . 59g36.7.3.2.1.3 Rekeying pro
34、cedures 60g36.7.3. 2.2 Messages between the Remote UE and ProSe Key Management Function 61g36.7.3. 2.2.1 General . 61g36.7.3. 2.2.2 Key Request and Key Response messages 61g36.7.3. 2.3 Messages between the Relay and ProSe Key Management Function 62g36.7.3. 2.3.1 General . 62g36.7.3. 2.3.2 Key Reques
35、t and Key Response messages 62g36.7.3.3 Protection of traffic between Remote UE or Relay and ProSe Function 63g36.7.3.4 Protection of traffic between Remote UE or Relay and ProSe Key Management Function . 63g36.7.3.5 Protection of traffic between Remote UE and Relay 64g3Annex A (normative): Key deri
36、vation functions . 65g3A.1 KDF interface and input parameter construction . 65g3A.1.1 General . 65g3A.1.2 FC value allocations . 65g3A.2 Calculation of the MIC value . 65g3A.3 Calculation of PTK . 65g3A.4 Calculation of keys from PTK and KD-sess66g3A.5 Calculation of scrambling bits for discovery 66
37、g3A.6 Calculation of message-specific confidentiality keystream for discovery . 66g3A.7 Calculation of KDfor UE-to-network relays 67g3A.8 Calculation of discovery keys from PSDK 67g3Annex B (informative): Void . 69g3Annex C (informative): Void . 70g3Annex D (informative): Void . 71g3Annex E (Normati
38、ve): Key Request and Response messages . 72g3E.1 Introduction 72g3E.2 Transport protocol for messages between UE and ProSe Key Management Function 72g3E.3 XML Schema . 72g3E.4 Semantics . 75g3E.4.1 General . 75g3E.4.2 Semantics of 76g3E.4.3 Semantics of 77g3E.5 General message format and information
39、 elements coding 79g3E.5.2.2 Parameters in ProSe key management messages 79g3ETSI ETSI TS 133 303 V14.0.0 (2017-04)63GPP TS 33.303 version 14.0.0 Release 14E.5.2.2.1 Transaction ID . 79g3E.5.2.2.2 Supported Algorithm . 79g3E.5.2.2.3 Group ID . 80g3E.5.2.2.4 PGK ID . 80g3E.5.2.2.5 Error Code . 80g3E.
40、5.2.2.6 Group Member ID . 81g3E.5.2.2.7 Algorithm Info 81g3E.5.2.2.8 PMK ID. 81g3E.5.2.2.9 PMK 81g3E.5.2.2.10 PRUK ID . 81g3E.5.2.2.11 PRUK 81g3E.5.2.2.12 IMSI 81g3E.5.2.2.13 Relay Service Code . 81g3E.5.2.2.14 MSISDN . 82g3E.5.2.2.15 Nonce 1 . 82g3E.5.2.2.16 RAND . 82g3E.5.2.2.17 AUTS 82g3E.5.2.2.1
41、8 Key KD82g3E.5.2.2.19 KDFreshness parameter 82g3E.5.2.2.20 GPI 82g3E.5.2.2.21 Remote UE other identity 82g3E.5.2.2.22 Public Safety Discovery Security Capabilities 82g3E.5.2.2.23 Relay Service Code . 82g3E.5.2.2.24 PSDK ID . 83g3E.5.2.2.25 Discovery Group ID 83g3E.5.2.2.26 Protection Profile 83g3E.
42、5.2.2.27 Encrypted bit mask 83g3E.5.2.2.28 Key Type ID 83g3E.5.2.2.29 Current time 83g3E.5.2.2.30 Max Offset 83g3Annex F (Informative): Network options for PC3 security 84g3F.1 General . 84g3F.2 Prose Function using standalone BSF 84g3F.3 BSF - Prose Function/NAF colocation . 84g3F.4 Prose Function
43、with bootstrapping entity . 85g3Annex G (Informative): Protection of Restricted Discovery and Public Safety Discovery messages 87g3G.1 General . 87g3G.2 Different combinations of security mechanisms 87g3Annex H (informative): Change history . 89g3History 92g3ETSI ETSI TS 133 303 V14.0.0 (2017-04)73G
44、PP TS 33.303 version 14.0.0 Release 14Foreword 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 change following formal TSG approval. Should the TSG modify the co
45、ntents 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
46、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 the document. ETSI ETSI TS 133 303 V14.0.0 (2017-04)83GPP TS 3
47、3.303 version 14.0.0 Release 141 Scope The present document specifies the security aspects of the Proximity Services (ProSe) features in EPS. Based on the common security procedures (clause 5) for - interfaces between network entities (using NDS), - configuration of ProSe-enabled UEs, and - data tra
48、nsfer between the ProSe Function and a ProSe enabled UE (PC3 interface) security for the following ProSe features is covered: - Open ProSe Direct Discovery in network coverage (clause 6.1); - One-to-many ProSe direct communication for ProSe-enabled Public Safety UEs (clause 6.2); - EPC-level Discove
49、ry of ProSe-enabled UEs (clause 6.3); - EPC support for WLAN Direct Discovery and Communication (clause 6.4) ; - One-to-one ProSe direct communication for ProSe-enabled Public Safety UEs (clause 6.5); - Prose Public Safety Discovery (clause 6.6); - Prose UE-to-network relays (clause 6.7); 2 References The following documents contain provisions which, through reference in 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 referen
