# ISO/IEC 9797:1989 — Withdrawn and superseded ISO standards For ISO/IEC 9797:1989, item title is Data cryptographic techniques — Data integrity mechanism using a cryptographic check function employing a block cipher algorithm; status code is 9599; successor is ISO/IEC 9797:1994; withdrawn / published date is 1989-11-23, recorded from its source on 2026-08-05. - **Identifier:** ISO/IEC 9797:1989 _(verified: appears in the quote below)_ - **Item title:** Data cryptographic 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quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 9797:1994 - **Withdrawn / published date:** 1989-11-23 _(verified: appears in the quote below)_ ## What the source says > 17659,IS,,ISO/IEC 9797:1989,Data cryptographic techniques — Data integrity mechanism using a cryptographic check function employing a block cipher algorithm,Techniques cryptographiques — Mécanisme d'intégrité des données utilisant une fonction de contrôle cryptographique employant un algorithme de chiffrement par bloc,1989-11-23,1,['35.030'],ISO/IEC JTC 1/SC 27,9599,,[22053],"['en','fr']",3, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).