# ISO/IEC 29192-2:2012 — Withdrawn and superseded ISO standards

For ISO/IEC 29192-2:2012, item title is Information technology — Security techniques — Lightweight cryptography — Part 2: Block ciphers; status code is 9599; successor is ISO/IEC 29192-2:2019; withdrawn / published date is 2012-01-10, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC 29192-2:2012 _(verified: appears in the quote below)_
- **Item title:** Information technology — Security techniques — Lightweight cryptography — Part 2: Block ciphers _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 29192-2:2019
- **Withdrawn / published date:** 2012-01-10 _(verified: appears in the quote below)_

## What the source says

> 56552,IS,,ISO/IEC 29192-2:2012,Information technology — Security techniques — Lightweight cryptography — Part 2: Block ciphers,Technologies de l'information — Techniques de sécurité — Cryptographie pour environnements contraints — Partie 2: Chiffrements par blocs,2012-01-10,1,['35.030'],ISO/IEC JTC 1/SC 27,9599,,[78477],['en'],41,"<p>ISO/IEC 29192-2:2012 specifies two block ciphers suitable for lightweight cryptography:</p><p>a) PRESENT: a lightweight block cipher with a block size of 64 bits and a key size of 80 or 128 bits;</p><p>b) CLEFIA: a lightweight block cipher with a block size of 128 bits and a key size of 128, 192 or 256 bits.</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).