ETSI TS 101 052-2 V1.2.1 (2025-07)

Rules for the management of the TETRA standard authentication and key management algorithm sets; Part 2: TAA2

RTS/TCCE-06223

General Information

• Status: Not Published
• Technical Committee: TCCE 6 - TCCE Security
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Due Date: 30-Jun-2025
• Completion Date: 04-Jul-2025

Standards Content (Sample)

TECHNICAL SPECIFICATION
Rules for the management of the TETRA standard
authentication and key management algorithm sets;
Part 2: TAA2
2 ETSI TS 101 052-2 V1.2.1 (2025-07)

Reference
RTS/TCCE-06223
Keywords
algorithm, security, TAA2, TETRA

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ETSI
3 ETSI TS 101 052-2 V1.2.1 (2025-07)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
1 Scope . 5
2 References . 5
2.1 Normative references . 5
2.2 Informative references . 6
3 Definition of terms, symbols and abbreviations . 6
3.1 Terms . 6
3.2 Symbols . 6
3.3 Abbreviations . 6
4 TAA2 management structure . 7
5 Distribution procedures . 8
5.1 Distribution of parts 1, 2 and 3 of the TAA2 specification by the TAA2 Custodian . 8
5.2 Distribution of TAA2 specification part 3 by the TAA2 Custodian . 8
6 Approval criteria and restrictions . 8
7 The TAA2 Custodian . 8
7.1 Responsibilities . 8
7.2 Appointment . 9
8 TAA2 Overview Description . 9
Annex A (informative): Items delivered to approved recipient of TAA2 . 10
Annex B (normative): Void . 11
Annex C (informative): Bibliography . 12
History . 13

ETSI
4 ETSI TS 101 052-2 V1.2.1 (2025-07)
Intellectual Property Rights
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ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
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Foreword
This Technical Specification (TS) has been produced by ETSI Technical Committee TETRA and Critical
Communications Evolution (TCCE).
The present document is part 1 of a multi-part deliverable covering the rules for the management of the TETRA
standard authentication and key management algorithm sets, as identified below:
Part 1: "TAA1";
Part 2: "TAA2".
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 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
5 ETSI TS 101 052-2 V1.2.1 (2025-07)
1 Scope
The purpose of the present document is to specify the rules for the management of the TETRA standard authentication
and key management algorithm set TAA2. This algorithm set is intended for air interface security in TETRA products.
The specification for TAA2 consists of the following three parts:
Part 1: Algorithm specifications.
Part 2: Design conformance test data.
Part 3: Algorithms input/output test data.
The procedures described in the present document apply to parts 1 and 2 of the specification. Parts 1 and 2 are
confidential for each of the algorithms. The algorithm primitives' section of part 1 of the specification has been
published as ETSI TS 104 053-4 [i.1].
Part 3 of of the specification is not confidential and can be obtained directly from the TAA2 Custodian (see clause 5.2).
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 terms of the principals involved in the
management of TAA2 (ETSI, ETSI Technical Committee TCCE, TAA2 Custodian
...