1、 TIA-102.AAAB-A-1 (Addendum to TIA-102.AAAB-A) September 2014Project 25 Security Services Overview Addendum 1- Key Management Architecture ANSI/TIA-102.AAAB-A-1-2014 APPROVED: SEPTEMBER 9, 2014 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through elimin
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23、 BY TIA WITHOUT SUCH LIMITATIONS. TIA-102.AAAB-A-1 1 FOREWORD This document is being developed by the APCO Project 25 Interface Committee (APIC) Encryption Task Group (ETG) for publication as a TIA standard. TIA Standards are designed to serve the public interest by eliminating misunderstandings bet
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32、 are referenced in this specification. TIA-102.AAAB-A-1 3 Table of Contents FOREWORD. 1 PATENT IDENTIFICATION 2 TRADEMARK IDENTIFICATION 2 A. Addendum Introduction 5 B. Revision History . 5 C. References 5 C.1 Normative References . 5 C.2 Informative References 6 D. definitions. 6 E. Abbreviations .
33、 6 F. Addendum Modifications . 8 F.1 Section 6 8 F.2 Section 7 9 TIA-102.AAAB-A-1 4 Table of Figures Figure 1 - General System Model . 10 Figure 2 Voice Encryption/Decryption Functional Relationship 13 Figure 3 Encrypted Voice Call Functional Representation 14 Figure 4 Encrypted Group Call Functiona
34、l Representation 15 Figure 5 Voice Encryption Functional Partitioning 16 Figure 6 Voice Encryption Key Manager to Voice Encryption Endpoint Functional Model. 18 Figure 7 Key Management with Cryptonets . 19 Figure 8 Voice Encryption Key Manager to Key Manager Functional Model . 20 Figure 9 Wireline K
35、ey Management using the Key Fill Device Interface 21 Figure 10 Wireline Key Management using the KMF-to-KFD Interface . 22 Figure 11 Wireless Key Management using OTAR 23 Figure 12 Wireline Key Management using the Inter-KMF Interface 24 Figure 13 Combined Wireline and Wireless Key Management 25 Fig
36、ure 14 Wireless OTAR Key Management over ISSI . 26 Figure 15 Data Encryption Functional Model . 27 Figure 16 Data Encryption Functional Flow . 28 Figure 17 Encrypted Data Functional Partitioning 29 Figure 18 SU to FNE CAI Encrypted Data . 31 Figure 19 SU to SU CAI Encrypted Data . 32 Figure 20 CAI D
37、ata Encryption Key Management Functional Model . 33 Figure 21 Wireline Key Management using the Key Fill Device Interface 36 Figure 22 Wireline Key Management using the Key Fill Device Interface 37 Figure 23 Wireless CAI Data Encryption Key Management using OTAR 38 Figure 24 CAI Data Encryption Key
38、Management Architecture Example 39 Figure 25 LLA Endpoints . 40 Figure 26 - Unit Authentication Functional Model . 42 Figure 27 - Mutual Authentication Functional Model . 43 Figure 28 Link Layer Authentication Key Management Functional Model . 45 Figure 29 LLA Key Management of SU . 47 Figure 30 LLA
39、 Key Management of FNE . 47 Figure 31 LLA Key Management between FNEs . 48 TIA-102.AAAB-A-1 5 A. ADDENDUM INTRODUCTION This addendum introduces a high level functional and architectural overview of the security and key management architecture for TIA102 system configurations. It provides an overview
40、 along with the functional and key management architectural models and descriptions. This addendum is meant to provide the reader with a high level understanding of the TIA102 security architecture and key management principles. Detail of these architectures including key management messages and pro
41、tocols are located in the documentation listed in Section C. This addendum provides an overview of the security architecture and does not attempt to address all aspects and details of the possible configurations. B. REVISION HISTORY Revision date Revision comments May 2011 Initial draft of “Security
42、 Services Architecture Overview” with Voice Encryption key management architecture. September 2011 Updated to reflect August 18, 2011 comment resolutions “ETG 11-011-R2 MOT Responses Harris Comment Matrix on ETG 11-010” Document is now 102.AAAB-A-1 (Security Services Overview Addendum 1). August 201
43、2 IP Data Encryption added October 2012 Updated to reflect IP Data encryption comment resolutions in “ETG 12-031-R3 Moto Responses to Combined Comments on ETG 11-010 R4 (SSO IP Data)” July 2013 Updated to reflect Authentication comment resolutions “ETG 13-020 R5 MSI Responses to HRS+SFG Comments on
44、ETG 11-010 R6” September 2013 Final editorial changes for transfer to TR8.3 Encryption Subcommittee. LLE and Encrypted IP Data sections are TBDs. June 2014 Editorial updates to ballot version C. REFERENCES The following normative and informative documents contain provisions, which, through reference
45、 in this text, constitute provisions of this addendum. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this addendum are encouraged to investigate the possibility of applying the most recent editions of the stan
46、dards indicated below. ANSI and TIA maintain registers of currently valid national standards published by them. C.1 Normative References 1 TIA-102.AAAB-A, Project 25 Security Services Overview, January 2005. 2 TIA-102.AACE-A, Project 25 Digital Land Mobile Radio Link Layer Authentication, April 2011
47、 TIA-102.AAAB-A-1 6 3 Project 25 Digital Land Mobile Radio Link Layer Encryption (currently under consideration by ETG) 4 TIA-102.AACA-A, Over the Air Rekeying (OTAR) Messages and Procedures, (date) 5 TIA-102.AACD-A, Project 25 Digital Land Mobile Radio Key Fill Device (KFD) Interface Protocol, (dat
48、e) 6 TIA-102.BAKA, KMF to KMF Interface, April 2012 7 TIA-102.AACD-A-1, Project 25 Digital Land Mobile Radio Key Fill Device (KFD) Interface Protocol Addendum 1, (currently under consideration by ETG) 8 TIA-102.AAAD-A, Project 25 Digital Land Mobile Radio Block Encryption Protocol, August 2009 9 TIA
49、-102.BACA-B, Project 25 Inter-RF Subsystem Interface Messages and Procedures for Voice Services, Mobility Management, and RFSS Capability Polling Services, November 2012 C.2 Informative References 10 TSB 102-B, System and Standards Definition (shell) document, June 2012 11 Rfc 4301, Security Architecture for the Internet Protocol, December 2005 D. DEFINITIONS Cryptonet A cryptonet is a group of SU users that share a common traffic encryption key. Cryptonets may consist of voice encryption keys, data encr
