Standard
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AS ISO 16609:2025
[Current]Financial services - Requirements for message authentication using symmetric techniques
AS ISO 16609:2025 identically adopts ISO 16609:2022, which specifies procedures, independent of the transmission process, for protecting the integrity of transmitted financial-service-related messages and for verifying that a message has originated from an authorized source, or that stored data has retained integrity
Published: 24/04/2025
Pages: 13
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles
4.1 Protection of authentication keys
4.2 Message authentication elements
4.3 Detection of duplication, loss or sequence errors
5 Procedures for message authentication
5.1 MAC generation
5.2 MAC placement
5.3 MAC verification
5.4 Approved authentication mechanisms based on the ISO/IEC 9797 series
5.4.1 General
5.4.2 Approved message authentication mechanisms based on ISO/IEC 9797-1
5.4.3 Approved message authentication mechanisms based on ISO/IEC 9797-2
5.4.4 Approved message authentication mechanisms based on ISO/IEC 9797-3
5.4.5 Implementation recommendations
Annex A
A.1 Purpose
A.2 Protection against duplication
A.2.1 Duplicated messages
A.2.2 Multi-party operation
A.2.3 Including identities
A.3 Loss detection
Annex B
Bibliography
Cited references in this standard