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ISO/IEC 9797-2:2021

Information security — Message authentication codes (MACs) — Part 2: Mechanisms using a dedicated hash-function

Jun 23, 2021

General information

90.20     Apr 15, 2026

ISO/IEC

ISO/IEC JTC 1/SC 27

International Standard

35.030  

English  

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Scope

This document specifies MAC algorithms that use a secret key and a hash-function (or its round-function or sponge function) to calculate an m-bit MAC. These mechanisms can be used as data integrity mechanisms to verify that data has not been altered in an unauthorized manner.
NOTE       A general framework for the provision of integrity services is specified in ISO/IEC 10181‑6.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/IEC 9797-2:2011

NOW

PUBLISHED
ISO/IEC 9797-2:2021
90.20 Standard under periodical review
Apr 15, 2026

CORRIGENDA / AMENDMENTS

PUBLISHED
ISO/IEC 9797-2:2021/Cor 1:2024

National adoptions

Information security — Message authentication codes (MACs) — Part 2: Mechanisms using a dedicated hash-function

90.20   Standard under periodical review

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