TIA-102 AACE-A-2011 Project 25 Digital Land Mobile Radio Link Layer Authentication《项目25 数字地面移动无线电链路层认证》.pdf

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22、S. TIA-102.AACE-A i Contents 1 Introduction . 1 1.1 Scope 1 1.2 Document Description . 1 1.3 Document Revision History . 2 1.4 Definitions 2 1.5 Abbreviations . 4 1.6 References 4 1.6.1 Normative References . 5 1.6.2 Informative References 5 1.7 Overview . 5 2 Authentication . 6 2.1 Challenge and Re

23、sponse Unit Authentication Block Diagram . 7 2.2 Challenge and Response Mutual Authentication Block Diagram . 8 3 Procedures and Operational Descriptions . 10 3.1 Example State Diagrams . 10 3.2 Authentication Rules 13 3.3 Mutual Authentication Rules 14 3.4 Standalone Authentication Message Sequence

24、 Charts (MSC) . 17 3.4.1 MSC for Challenge and Response Unit Authentication Passes . 17 3.4.2 MSC for Challenge and Response Authentication Fails . 18 3.4.3 MSC Mutual Challenge and Response Authentication Passes 19 3.4.4 MSC Mutual Challenge and Response Authentication of SU Fails 20 3.4.5 MSC Mutu

25、al Challenge and Response Authentication of RFSS Fails 21 3.5 Registration Message Sequences Charts (MSC) 22 3.5.1 MSC Unit Challenge and Response Unit Authentication Passes . 22 3.5.2 MSC Unit Challenge and Response Unit Authentication Fails . 23 3.5.3 MSC Mutual Challenge and Response Authenticati

26、on Passes 24 3.5.4 MSC Mutual Challenge and Response Authentication Fails 25 3.5.5 MSC Mutual Challenge and Response Authentication RFSS Fails . 26 3.5.6 MSC SU Authentication Demand . 27 4 Control Channel Messages . 29 5 Key Management and Provisioning . 30 5.1 Key Management 30 5.2 Provisioning (I

27、nformative) 31 6 Authentication Mechanism (AM) and AES crypto details 32 6.1 AM1 (K, RS, KS) 32 6.2 AM2 (KS, RAND1, RES1) . 33 6.3 AM3 (K, RS, KS) . 35 6.4 AM4 (KS, RAND2, RES2) . 36 6.5 Parameters and Sizes . 38 6.6 Example Data 39 TIA-102.AACE-A ii List of Figures Figure 2.1-1 Challenge and Respon

28、se Unit Authentication Block Diagram. 7 Figure 2.2-1 Challenge and Response Mutual Authentication Block Diagram 8 Figure 3.1-1 Example State Diagram for Authentication RFSS Focus 10 Figure 3.1-2 Example State Diagram for Authentication SU Focus . 12 Figure 3.4-1 MSC for Challenge and Response Authen

29、tication Passes . 17 Figure 3.4-2 MSC for Challenge and Response Authentication Fails . 18 Figure 3.4-3 MSC Mutual Challenge and Response Authentication Passes . 19 Figure 3.4-4 Mutual Challenge and Response Authentication of SU Fails 20 Figure 3.4-5 MSC Mutual Challenge and Response Authentication

30、RFSS Fails 21 Figure 3.5-1 MSC Challenge and Response Authentication Passes During Unit Registration . 22 Figure 3.5-2 MSC Challenge and Response Unit Authentication Fails During Unit Registration 23 Figure 3.5-3 MSC Mutual Challenge and Response Authentication During Unit Registration . 24 Figure 3

31、.5-4 MSC Mutual Challenge and Response Authentication During Unit Registration SU Fails . 25 Figure 3.5-5 MSC Mutual Challenge and Response Authentication During Unit Registration RFSS Fails 26 Figure 3.5-6 MSC Authentication SU Demand 27 Figure 5.2-1 Example Provisioning Information Flow 31 Figure

32、6.1-1 Expansion of RS from 80 bits to 128 bits 32 Figure 6.1-2 AM1 Block Diagram 33 Figure 6.2-1 Expansion of RAND from 40 bits to 128 bits . 33 Figure 6.2-2 Reduction of RES from 128 bits to 32 bits 34 Figure 6.2-3 AM2 Block Diagram 35 Figure 6.3-1 AM3 Block Diagram 36 Figure 6.4-1 AM4 Block Diagra

33、m 37 List of Tables Table 6.5-1 Parameter Sizes 38 TIA-102.AACE-A iii Foreword (This foreword is not part of this document.) This document has been submitted to APCO/NASTD/FED by the Telecommunications Industry Association (TIA), as provided for in a Memorandum of Understanding (MOU) dated December,

34、 1993. That MOU provides that APCO/NASTD/FED will devise a Common System Standard for digital public safety communications (the Standard), and that TIA shall provide technical assistance in the development of documentation for the Standard. This document has been developed by TR8.3 (Encryption) with

35、 inputs from the APCO Project 25 Interface Committee (APIC), the APIC Encryption Task Group, and TIA Industry members. This document is being published to provide technical information on the emerging digital techniques for Land Mobile Radio Service. TIA-102.AACE-A iv Patent Identification The reade

36、rs attention is called to the possibility that compliance with this document may require the use of one or more inventions covered by patent rights. By publication of this document no position is taken with respect to the validity of those claims or any patent rights in connection therewith. The pat

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38、th the TIA intellectual property rights policy: No patents have been identified. TIA shall not be responsible for identifying patents for which licenses may be required by this document or for conducting inquiries into the legal validity or scope of those patents that are brought to its attention. T

39、IA-102.AACE-A 1 1 INTRODUCTION Authentication of subscriber units is a vital component of a general land mobile radio system. The purpose of this document is to define a Challenge and Response Authentication method for use on trunked radio systems. 1.1 Scope The authentication service described in t

40、his document is applicable to FDMA and TDMA trunking systems using an FDMA trunking control channel. Authentication is a supplementary service for trunked radio systems. This document describes two forms of authentication: unit authentication and mutual authentication. If unit authentication is impl

41、emented it shall be implemented as specified herein. If mutual authentication is implemented , it shall be implemented as specified herein. This document defines the full standard across the Uminterface. 1.2 Document Description This document describes Challenge and Response Authentication designed

42、to protect the family of Project 25 systems. Section 1 provides a general description, definitions and abbreviations. Section 2 provides high-level information about Challenge and Response Authentication. Section 3 provides procedures and operational descriptions. Section 4 provides a listing of con

43、trol channel messages Section 5 provides information on key management and provisioning. Section 6 provides algorithm details. TIA-102.AACE-A 2 1.3 Document Revision History Revision date Revision comments July 31, 2003 Initial version October 10, 2003 Revision 2, updated document to fill in missing

44、 sections. March 11, 2004 Revision 3, add ISSI and Intra-RFSS Key Management, added infrastructure failure to get RS KS rule, and added that K should be store in non-volatile memory. June 11, 2004 Revision 4, removed Pre-Defined Roaming. Moved ISSI, Intra-RFSS, and to Security Services Architecture

45、document. Moved Provisioning File Format to Security Services Provisioning document. Added that the interface between SU and Provisioning will be specified by the Key Fill standard. Added example state diagrams for authentication that also provides context for error cases. August 4, 2004 Revision 5,

46、 updated based on NCS and M/A-COM comments. September 16, 2004 Revision 6, updated based on September 13, 2004 Encryption Task Group meeting. January 31, 2005 Revision 7, added MSC for subscriber initiated authentication demand, modified message returned from the RFSS on authentication failure and f

47、ixed typographic errors. March 8, 2005 Revision 8, fixed typographic errors, corrected AM2 and AM4 sample data, segmented out informative references and removed Annex A Control Channel Messages. May 11, 2005 PN-3-0206, Ballot Version September 9, 2005 TIA 102.AACE, released for publication February

48、25, 2010 Proposed edits for Standalone authentication 1.4 Definitions Advanced Encryption Standard (AES) - A standardized cryptographic algorithm to replace the Data Encryption Standard (DES). AES has a 128 block size and AES-128 indicates that a 128 bit key is used with AES as described in referenc

49、e 2. Adversary FNE A FNE that is not a valid FNE. Adversary SU A SU that is not a valid SU. Authenticated SU A SU whose SUID has passed a challenge and response authentication. This SU has proven that it is the valid SU. Authentication The process to prove that a SU is valid. Authentication Facility (AF) A functional process within the FNE. It is being included in order to show the specialized functions that the FNE must implement in order to support authentication. Such functions include assignment of K to SUID, generation of KS and KS using RS to allow th