---
oid: "1.3.6.1.4.1.3401.8.1.1"
asn1-notation: "{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 3401 8 1 1}"
description: "Rec. ITU-T X.509 v3 certificate extension for specifying key creation date"
last-modified: "2024-10-29"
---

## OID : `1.3.6.1.4.1.3401.8.1.1`

```asn1
{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 3401 8 1 1}
```

### Description

Rec. ITU-T X.509 v3 certificate extension for specifying key creation date

### Supplementary information

See [OpenPGP signatures incorporating X.509 certificates](http://web.archive.org/web/20070108002745/http://www.imc.org/ietf-openpgp/mail-archive/msg09930.html).

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No child OID

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