# ISO/IEC 18033-1:2015 — Withdrawn and superseded ISO standards For ISO/IEC 18033-1:2015, item title is Information technology — Security techniques — Encryption algorithms — Part 1: General; status code is 9599; successor is ISO/IEC 18033-1:2021; withdrawn / published date is 2015-07-24, recorded from its source on 2026-08-05. - **Identifier:** ISO/IEC 18033-1:2015 _(verified: appears in the quote below)_ - **Item title:** Information technology — Security techniques — Encryption algorithms — Part 1: General _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 18033-1:2021 - **Withdrawn / published date:** 2015-07-24 _(verified: appears in the quote below)_ ## What the source says > 54530,IS,,ISO/IEC 18033-1:2015,Information technology — Security techniques — Encryption algorithms — Part 1: General,Technologies de l'information — Techniques de sécurité — Algorithmes de chiffrement — Partie 1: Généralités,2015-07-24,2,['35.030'],ISO/IEC JTC 1/SC 27,9599,"[54528,37970]",[76156],['en'],16,"

ISO/IEC 18033-1:2015 is general in nature, and provides definitions that apply in subsequent parts of this International Standard. The nature of encryption is introduced, and certain general aspects of its use and properties are described. The criteria used to select the algorithms specified in subsequent parts of this International Standard are defined in Annexes A and B.

" 54531, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).