---
oid: "2.5.44.2"
asn1-notation: "{joint-iso-itu-t(2) ds(5) algo(44) ska(2)}"
description: "Advanced Encryption Standard (AES) symmetric-key algorithms"
last-modified: "2023-11-16"
tags: [oid-repository]
---

## OID: `2.5.44.2` (last updated: 2023-11-16)

```asn1
{joint-iso-itu-t(2) ds(5) algo(44) ska(2)}
```

Other identifiers that can be used in the last arc of the ASN.1 notation: `aes`

### Description

Advanced Encryption Standard (AES) symmetric-key algorithms

### Supplementary information

Defined in Rec. ITU-T X.510 (2020) \| ISO/IEC 9594-11, Amendment 1. See also Rec. ITU-T X.510 (2023) \| ISO/IEC 9594-11.

### Child OIDs

- `2.5.44.2.1`: `ecb128(1)`
- `2.5.44.2.2`: `ecb192(2)`
- `2.5.44.2.3`: `ecb256(3)`
- `2.5.44.2.5`: `cbc128(5)`
- `2.5.44.2.6`: `cbc192(6)`
- `2.5.44.2.7`: `cbc256(7)`
- `2.5.44.2.9`: `ofb128(9)`
- `2.5.44.2.10`: `ofb192(10)`
- `2.5.44.2.11`: `ofb256(11)`
- `2.5.44.2.13`: `cfb128(13)`
- `2.5.44.2.14`: `cfb192(14)`
- `2.5.44.2.15`: `cfb256(15)`
- `2.5.44.2.17`: `ctr128(17)`
- `2.5.44.2.18`: `ctr192(18)`
- `2.5.44.2.19`: `ctr256(19)`
- `2.5.44.2.21`: `gcm128(21)`
- `2.5.44.2.22`: `gcm192(22)`
- `2.5.44.2.23`: `gcm256(23)`
- `2.5.44.2.25`: `gcm128-siv(25)`
- `2.5.44.2.26`: `gcm192-siv(26)`
- `2.5.44.2.27`: `gcm256-siv(27)`
- `2.5.44.2.29`: `ccm128(29)`
- `2.5.44.2.30`: `ccm192(30)`
- `2.5.44.2.31`: `ccm256(31)`
- `2.5.44.2.33`: `gmac128(33)`
- `2.5.44.2.34`: `gmac192(34)`
- `2.5.44.2.35`: `gmac256(35)`
- `2.5.44.2.37`: `cmac128(37)`
- `2.5.44.2.38`: `cmac192(38)`
- `2.5.44.2.39`: `cmac256(39)`

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