# ISO/IEC 9797:1994 — Withdrawn and superseded ISO standards For ISO/IEC 9797:1994, item title is Information technology — Security techniques — Data integrity mechanism using a cryptographic check function employing a block cipher algorithm; status code is 9599; successor is ISO/IEC 9797-2:2002 | ISO/IEC 9797-1:1999; withdrawn / published date is 1994-04-07, recorded from its source on 2026-08-05. - **Identifier:** ISO/IEC 9797:1994 _(verified: appears in the quote below)_ - **Item title:** Information technology — Security techniques — Data integrity mechanism using a cryptographic check function employing a block cipher algorithm _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 9797-2:2002 | ISO/IEC 9797-1:1999 - **Withdrawn / published date:** 1994-04-07 _(verified: appears in the quote below)_ ## What the source says > 22053,IS,,ISO/IEC 9797:1994,Information technology — Security techniques — Data integrity mechanism using a cryptographic check function employing a block cipher algorithm,Technologies de l'information — Techniques de sécurité — Mécanisme d'intégrité des données utilisant une fonction de contrôle cryptographique employant un algorithme de chiffrement par bloc,1994-04-07,2,['35.030'],ISO/IEC JTC 1/SC 27,9599,[17659],"[31136,30656]",['en'],8, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).