# ISO/IEC 9797-2:2002 — Withdrawn and superseded ISO standards

For ISO/IEC 9797-2:2002, item title is Information technology — Security techniques — Message Authentication Codes (MACs) — Part 2: Mechanisms using a dedicated hash-function; status code is 9599; successor is ISO/IEC 9797-2:2011; withdrawn / published date is 2002-06-13, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC 9797-2:2002 _(verified: appears in the quote below)_
- **Item title:** Information technology — Security techniques — Message Authentication Codes (MACs) — Part 2: Mechanisms using a dedicated hash-function _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 9797-2:2011
- **Withdrawn / published date:** 2002-06-13 _(verified: appears in the quote below)_

## What the source says

> 31136,IS,,ISO/IEC 9797-2:2002,Information technology — Security techniques — Message Authentication Codes (MACs) — Part 2: Mechanisms using a dedicated hash-function,Technologies de l'information — Techniques de sécurité — Codes d'authentification de message (MAC) — Partie 2: Mécanismes utilisant une fonction de hachage,2002-06-13,1,['35.030'],ISO/IEC JTC 1/SC 27,9599,[22053],[51618],['en'],14,"<p>ISO/IEC 9797-2:2002 specifies three MAC algorithms that use a secret key and a hash-function (or its round-function) with an n-bit result 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 unauthorised manner. They can

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).