ETSI TS 101 053-2-2018 Rules for the management of the TETRA standard encryption algorithms Part 2 TEA2 (V2 4 1).pdf

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1、 ETSI TS 101 053-2 V2.4.1 (2018-01) Rules for the management of the TETRA standard encryption algorithms; Part 2: TEA2 TECHNICAL SPECIFICATION ETSI ETSI TS 101 053-2 V2.4.1 (2018-01)2 Reference RTS/TCCE-06194 Keywords algorithm, security, TETRA ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Ce

2、dex - 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 The present document can be downloaded from: http:/www.etsi.org/standards-search The present document

3、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 authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in

4、 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 should be aware that the document may be subject to revision or change of status. Information on the current status

5、of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be r

6、eproduced 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 shall not be modified without the written authorization of ETSI. The copyright and the foregoing restri

7、ction extend to reproduction in all media. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are trademarks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Par

8、tners. oneM2M logo is protected for the benefit of its Members. GSM and the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 101 053-2 V2.4.1 (2018-01)3 Contents Intellectual Property Rights 5g3Foreword . 5g3Modal verbs terminology 5g31 Scope 6g32 References 6g32.1 N

9、ormative references . 6g32.2 Informative references 7g33 Definitions and abbreviations . 7g33.1 Definitions 7g33.2 Abbreviations . 8g34 TEA2 management structure 8g35 Use of TEA2 . 10g35.1 Primary and Secondary Users of TEA2 . 10g35.2 TEA2 States and Territories . 10g35.3 Manufacture, supply, instal

10、lation, repair and destruction of TEA2 equipment and services . 11g36 Licence types 12g36.1 Manufacturer Licence . 12g36.2 Installer/Repairer/Destruction Licence . 12g36.3 Supplier Licence . 13g36.4 Primary User Licence . 13g36.5 Secondary User Licence . 13g36.6 End User Licence . 14g36.7 Destructio

11、n Licence 14g36.8 Exceptional . 15g37 Distribution procedures 15g37.1 Distribution of parts 1, 2 and 3 of the TEA2 specification by the TEA2 Custodian 15g37.2 Distribution of part 3 of the TEA2 specification by the TEA2 Custodian . 16g38 Approval criteria and restrictions . 16g38.1 Approval Criteria

12、 16g38.2 Revocation of TEA2 licences . 17g38.3 Appeal against Licence Revocation . 17g39 The TEA2 Custodian 18g39.1 Responsibilities 18g39.2 Appointment . 18g3Annex A (informative): Items delivered to approved recipient of TEA2 specifications 20g3Annex B (normative): Confidentiality and Restricted U

13、sage Undertaking for Manufacturers of TEA2 21g3Annex C (normative): Confidentiality and Restricted Usage Undertaking for Installers, Repairers and Destruction of TEA2 . 24g3Annex D (normative): Confidentiality and Restricted Usage Undertaking for Suppliers of Equipment or Services using TEA2 . 26g3A

14、nnex E (normative): Confidentiality and Restricted Usage Undertaking for Primary and Secondary Users of TEA2 . 28g3Annex F (normative): Confidentiality and Restricted Usage Undertaking for End Users of TEA2 . 31g3ETSI ETSI TS 101 053-2 V2.4.1 (2018-01)4 Annex G (normative): Confidentiality and Restr

15、icted Usage Undertaking for Destruction of TEA2 . 34g3Annex H (informative): TEA2 State and Territories list 36g3Annex I (informative): Bibliography . 37g3History 38g3ETSI ETSI TS 101 053-2 V2.4.1 (2018-01)5 Intellectual Property Rights Essential patents IPRs essential or potentially essential to th

16、e 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: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI

17、 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, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the exist

18、ence 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. Trademarks The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners. ETSI cla

19、ims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does not constitute an endorsement by ETSI of products, services or organizations a

20、ssociated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI Technical Committee TETRA and Critical Communications Evolution (TCCE). The present document is part 2 of a multi-part deliverable covering Rules for the management of the TETRA standard encryption

21、algorithms, as identified below: Part 1: “TEA1“; Part 2: “TEA2“; Part 3: “TEA3“; Part 4: “TEA4“. 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 in clause 3.2 of

22、 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 101 053-2 V2.4.1 (2018-01)6 1 Scope The purpose of the present document is to specify the rules for the management of

23、 the TETRA standard encryption algorithm TEA2. This algorithm is intended for air interface encryption in TETRA products. The specification for TEA2 consists of the following three parts: Part 1: Algorithm specification; Part 2: Design conformance test data; Part 3: Algorithm input/output test data.

24、 The procedures described in the present document apply to licensing organizations to manufacture, possess, install, repair, hold, use and destroy equipment and components containing the TEA2 algorithm and to delivering parts 1, 2 and 3 of the TEA2 specifications. Parts 1 and 2 of the specification

25、are confidential. Part 3 of the specification is not confidential and can be obtained directly from the TEA2 Custodian (see clause 7.2). There are no restrictions on the distribution of this part of the specification. The management structure is defined in clause 4. This structure is defined in term

26、s of the principals involved in the management of TEA2 (ETSI, ETSI Technical Committee TETRA and Critical Communications Evolution, TEA2 Custodian and approved recipients) together with the relationships and interactions between them. Clause 5 is concerned with the rules for the use of TEA2. This cl

27、ause is supplemented by annex H, which provides an exemplary list of the states and territories in which a User may become an approved recipient. Clause 6 describes the types of licence that may be requested. The procedures for delivering TEA2 specifications to approved recipients are defined in cla

28、use 7. This clause is supplemented by annex A, which specifies the items that are to be delivered. Clause 8 is concerned with the criteria for approving an organization for receipt of TEA2 deliverables and with the responsibilities of an approved recipient. This clause is supplemented by annexes B t

29、o G which contain the Confidentiality and Restricted Usage Undertakings to be signed by the TEA2 Custodian and approved recipients of TEA2 specifications and/or equipment and components containing TEA2. Clause 9 is concerned with the appointment and responsibilities of the TEA2 Custodian. 2 Referenc

30、es 2.1 Normative references References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any a

31、mendments) applies. Referenced documents which are not found to be publicly available in the expected location might be found at https:/docbox.etsi.org/Reference/. NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee their long term validity

32、. The following referenced documents are necessary for the application of the present document. Not applicable. ETSI ETSI TS 101 053-2 V2.4.1 (2018-01)7 2.2 Informative references References are either specific (identified by date of publication and/or edition number or version number) or non-specif

33、ic. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee their long term

34、validity. The following referenced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area. i.1 ETSI EN 300 392-7: “Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 7: Security“. i.2 ETSI EN 300 396-6: “T

35、errestrial Trunked Radio (TETRA); Direct Mode Operation (DMO); Part 6: Security“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply: computer software carrier: physical storage medium capable of containing and transpor

36、ting computer software or data, such as a ROM chip, CD ROM or disk, or flash memory or computer hard drive end user: organization that has been approved to use TEA2 by either the primary or secondary user or by the TEA2 custodian installer: organization that installs hardware or software components

37、containing the TETRA Standard Algorithm TEA2 into TETRA subscriber equipment, fixed network equipment or TETRA system simulators manufacturer: bona fide designer or manufacturer of TETRA equipment or components which include TEA2 permitted state or territory: state or territory within which TEA2 is

38、allowed to be used, where the list of states and territories is maintained by the TEA2 custodian primary user: governmental organization for a TETRA network that is primarily used by public safety organizations in their own state or territory repairer: organization that repairs TETRA subscriber equi

39、pment, fixed network equipment, or system simulators that contain TEA2 secondary user: military organization in a state or territory with approval to operate a TETRA network given by the governmental organization that is responsible for public safety supplier: supplier, distributor or reseller of TE

40、TRA subscriber or fixed network equipment in which TEA2 is included or TETRA system simulators in which TEA2 is included, or a third party operator or service provider supplying TETRA services with TEA2 to a primary and/or secondary user TEA2 custodian: the interface between ETSI and recipients of T

41、EA2 licences and specifications user: primary or secondary user ETSI ETSI TS 101 053-2 V2.4.1 (2018-01)8 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: CRUU Confidentiality and Restricted Usage Undertaking DMO Direct Mode Operation ETSI European Teleco

42、mmunications Standards Institute MS Mobile Station SFPG Security and Fraud Prevention Group SwMI Switching and Management Infrastructure TEA2 TETRA standard Encryption Algorithm number 2 TETRA TErrestrial Trunked RAdio4 TEA2 management structure The management structure is depicted in figure 1. Key:

43、 a = Agreement between TEA2 Custodian and ETSI b = Status reports and recommendations c = Setting of approval criteria d = Requested details of the TEA2 register 1 = Request for TEA2 specification and/or licence 2 = Check of request against approval criteria 3 and 4 = Exchange of Confidentiality and

44、 Restricted Usage Undertaking 5 = Dispatch of TEA2 specification (only if appropriate) 6 = Update the TEA2 register 7 = Document filing 8 = Technical advice (only if requested) Figure 1: TEA2 management structure ETSI ETSI TS 101 053-2 V2.4.1 (2018-01)9 Figure 1 shows the three principals involved i

45、n the management of TEA2 and the relationships and interactions between them: ETSI is the owner of the TEA2. ETSI Technical Committee TETRA and Critical Communications Evolution sets the approval criteria for receipt of the algorithm (see clause 8). The TEA2 Custodian is the interface between ETSI a

46、nd the recipients of TEA2 licences and specifications. The TEA2 Custodian is as identified in clause 9.2 of the present document. The TEA2 Custodians duties are detailed in clause 9. They include distributing signed TEA2 Confidentiality and Restricted Usage Undertakings (CRUUs) and, if appropriate,

47、specifications to approved recipients, as detailed in clauses 7 and 8, providing limited technical advice to approved recipients and providing algorithm status reports to ETSI Technical Committee TETRA and Critical Communications Evolution. NOTE: A CRUU signed by both the TEA2 Custodian and applican

48、t constitutes a licence to hold or use TETRA subscriber and fixed network equipment and components containing TEA2. The form of CRUU exchanged is summarized in figure 2. Figure 2: Summary of CRUU types maintained between TEA2 principals ETSI ETSI TS 101 053-2 V2.4.1 (2018-01)10 5 Use of TEA2 5.1 Pri

49、mary and Secondary Users of TEA2 A TEA2 Primary and Secondary User Licence is given to a governmental organization for a TETRA network that is primarily used by public safety organizations (see note 1) in their own state or territory. A TETRA network may consist of fixed base stations and SwMI, all located in the home state or territory, and/or one or more base stations and SwMIs that may also be used outside the home state or territory if both base stations and SwMIs are controlled from the home state or territory. A governmental organization that obtain