1、 TIA STANDARD Conformance Tests for Project 25 Over-The-Air Rekeying (OTAR) Protocol TIA-102.AACC-A (Revision of TIA-102.AACC) August 2006 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Representing the telecommunications industry in association with the Electronic Industries Alliance ANSI/TIA-102.AACC-AAp
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19、E OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-102.AACC-A i Contents 1 SCOPE.1 2 REVISION HISTORY .2 3 REFERENCES.2 4 ABBREVIATIONS 3 5 DESCRIPTION.4 6 TEST PARAMETERS 6 6.1 Packet Data Header Parameters.6 6.1.1 Format Parameters.6 6.1.2 Data
20、 Message Structure Parameters7 6.2 Encryption Parameters7 6.2.1 Message Indicator 7 6.2.2 Traffic Encryption Key Parameters .7 6.2.3 Key Encryption Key Parameter.8 6.2.4 MAC Traffic Encryption Key Parameters 8 6.3 Key Management Message (KMM) Common Parameters 8 6.3.1 Message Format.8 6.3.2 Destinat
21、ion and Source RSIs9 6.3.3 Message Number .9 6.4 OTAR Input Data File Parameters.9 7 KMM GENERATION TESTS11 8 KMM RECEIVER TESTS.12 ANNEX A - SOURCE CODE (Informative) .13 A.1 Over-The-Air-Rekeying (OTAR) Main Module.19 A.2 Key Management Message Module 29 A.3 Key Management Message Utility Module 4
22、0 A.4 Key Management Message Input Module .45 A.5 Output Module.51 A.6 Print Intermediate File Format Module 57 A.7 DES Interface Modules60 A.8 DES Algorithm Module 63 ANNEX B - TEST VECTORS (Normative)65 B.1 OTAR Data Input File 65 B.2 OTAR Data Output File .82 Figures Figure 5.1 OTAR Conformance T
23、est Information Flow. 4 Figure 5.2 Conformance Test Data Flow 5 TIA-102.AACC-A iii FOREWORD This foreword is not part of this document. This proposed standard is being promulgated and will be maintained by the TR8.3 (Encryption) subcommittee of the TR-8 Private Radio Technical Standards committee un
24、der the sponsorship of the Telecommunications Industry Association. Generally, the Conformance Test for the Project 25 Over-The-Air-Rekeying (OTAR) Protocol and various elements thereof have been developed by TIA TR8.3 to be consistent with the Statement of Requirements adopted by the Project 25 Ste
25、ering committee. This Standards family includes and borrows heavily from the combined work of various industry and government agency representatives organized under the TIA Project 25 Ad Hoc Interface Committee. This document describes the Conformance Test for the Project 25 Over-The-Air-Rekeying (O
26、TAR) Protocol. It provides information needed to subject the Project 25 Over-The-Air-Rekeying (OTAR) Protocol to a conformance test. While all reasonable efforts have been made to ensure the accuracy of this document, it should be understood that this document will be updated as necessary to ensure
27、an accurate representation of Project 25 systems as other implementation requirements become available. This document presents a Conformance Test for the Project 25 Over-The-Air-Rekeying (OTAR) Protocol, which was recommended by TIA to APCO/NASTD/FED as being suitable for use as part of their standa
28、rd for a digital public safety radio system (Project 25). This document includes one informative annex and one normative annex. TIA-102.AACC-A iv PATENT IDENTIFICATION The readers attention is called to the possibility that compliance with this document may require the use of one or more inventions
29、covered by patent rights. No intellectual property rights have been identified for the method of performing the conformance tests that are illustrated in this document. However, these tests utilize the Project 25 OTAR Protocol (TIA/EIA-102.AACA) that does have intellectual property rights identified
30、. The rights from this document are restated here. 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 patent holders so far identified have, however, filed statements of willingness to grant licenses und
31、er those rights on reasonable and nondiscriminatory terms and conditions to applicants desiring to obtain such licenses. Details may be obtained from the publisher. Statements of willingness to grant licenses under the rights described above have also been filed with APCO/NASTD/FED. The following pa
32、tent holders and patents have been identified in accordance with the TIA intellectual property rights policy: 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 ar
33、e brought to its attention. Motorola Inc. Patent Nos. US 5,164,986; US 5,146,497; US 5,185,795 TIA-102.AACC-A 1 1 SCOPE This document provides a series of conformance tests for the Project 25 Over-The-Air-Rekeying (OTAR) Protocol, reference 1. These tests are intended to assure that the equipment co
34、nforms to the message formats specified in the OTAR Protocol document. This is a first step (necessary but not sufficient) for interoperability with other equipment conforming to the standard. These tests provide for the encryption of keys and the generation of the Message Authentication Code (MAC)
35、that may be part of a Key Management Message (KMM). The tests generating KMM data messages, that may contain encrypted keys and/or a MAC, will not perform the outer layer encryption (the encryption of the data message with a traffic key). The output of these tests will generate a file containing pla
36、in text data message(s) suitable to be encrypted by the programs provided in the Conformance Test for the Project 25 DES Encryption Protocol, reference 2. The reader is advised that OTAR uses Project 25 data messages. As a result, it may be part of a larger data service and relevant TIA/EIA Data doc
37、uments should be consulted for any necessary protocols such as data registration and data affiliation. These conformance tests are intended to verify that KMMs produced by equipment are correctly generated, that keys contained within these KMMs are properly encrypted, and that the Message Authentica
38、tion Code (MAC) is correctly computed, all in accordance with the Project 25 Over-The-Air-Rekeying (OTAR) Protocol. The tests also verify that the equipment receiving KMMs properly parses the KMMs, any encrypted keys received are correctly decrypted, and MACs are correctly computed at the receiver.
39、The OTAR conformance tests do not verify compliance to the DES Encryption Protocol, reference 3, or to the Recommended Common Air Interface (CAI), reference 4. The encryption of keys and the generation of the MAC per this conformance test are not intended to verify compliance with the DES standard,
40、given in references 5 and 6. Tests for compliance to the DES standard exist, such as in reference 7. These tests should be done as a prerequisite to the conformance tests described in this document. These tests are to be applied by a manufacturer of a product implementation to verify that it conform
41、s to the Project 25 Over-The-Air-Rekeying (OTAR) Protocol. These tests apply to radio products, particularly portable and mobile radios and fixed equipment that includes key management functions. Some of the tests are designed to apply to equipment generating the KMMs, while other tests are designed
42、 to apply to the receiver of the KMMs. These tests are different and distinct from performance tests, given in references 8 and 9, that measure the actual limits of equipment performance. The performance and conformance tests are mutually complementary. These tests are also different and distinct fr
43、om lock down tests, which are intended to demonstrate interoperability between different radios. These conformance tests are intended to precede lock down tests. TIA-102.AACC-A 2 2 REVISION HISTORY Version 1.0, June 7, 1996, first release. PN-3780, July 8, 1996, added parameters for MAC ALGID and KE
44、YID. TSB-102.AACC, August 23, 1996, changes made based on the final resolution of the ballot comments. SP-3-4922, March 28, 2001, updated TSB to prepare for ballot as a full standard (mainly references and grammatical changes). TIA/EIA-102.AACC, May 7, 2002, changes made based on the final resolutio
45、n of the ballot comments. Updated software listing to the latest version (v1.13). Included required DES program modules from the “libdes” library. SP-3-4922-RV1, Version 1, January 12, 2004, removed DES source code to meet export regulations. SP-3-4922-RV1, Ballot Version, May 11, 2005. TIA-102.AACC
46、-A, September 14, 2005, released for publication. TIA-102.AACC-A, August 2, 2006, re-released for publication with corrected Annex designations. 3 REFERENCES The following documents are referred to by this document. The versions and dates in these references are the latest available on the date of t
47、his document. 1. Project 25 Over-The-Air-Rekeying (OTAR) Protocol, TIA/EIA-102.AACA, April 2001. 2. Conformance Test for the Project 25 DES Encryption Protocol, TIA/EIA-102.AAAC, February 2001. 3. Project 25 DES Encryption Protocol, TIA/EIA-102.AAAA, February 2001. 4. Project 25 FDMA Common Air Inte
48、rface, TIA/EIA-102.BAAA, May 1998. 5. DES Modes of Operation, FIPS PUB 81. 6. Data Encryption Standard (DES), FIPS PUB 46-3. 7. Validating the Correctness of Hardware Implementations of the NBS Data Encryption Standard, NBS Special Publication 500-20, US Dept. of Commerce, November 1977. 8. Digital
49、C4FM / CQPSK Transceiver Measurement Methods, TIA/EIA-102.CAAA, June 1999. 9. Digital C4FM / CQPSK Transceiver Performance Recommendations, TIA/EIA-102.CAAB, February 2001. TIA-102.AACC-A 3 4 ABBREVIATIONS ALGID Algorithm Identifier for an encryption algorithm CAI Common Air Interface CBC Cipher Block Chaining, encryption mode of operation DES Data Encryption Standard, a definition of an encryption algorithm ECB Electronic CodeBook, encryption mode of operation FMF Fill Message Flag IV Initialization Vector KEK Key Encryption Key KEYID Key Identifier KMF Key Management Facility KMM Key M
