RFC 9509 · PROPOSED STANDARD · 2024

X.509 Certificate Extended Key Usage for 5G Network Functions

Overview

RFC 9509, “X.509 Certificate Extended Key Usage for 5G Network Functions”, is a Proposed Standard document published in March 2024 by T. Reddy.K, J. Ekman, D. Migault. The canonical text is published by the RFC Editor.

Abstract

RFC 5280 specifies several extended key purpose identifiers (KeyPurposeIds) for X.509 certificates. This document defines encrypting JSON objects in HTTP messages, using JSON Web Tokens (JWTs), and signing the OAuth 2.0 access tokens KeyPurposeIds for inclusion in the Extended Key Usage (EKU) extension of X.509 v3 public key certificates used by Network Functions (NFs) for the 5G System.

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

The canonical text of RFC 9509 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.

Other RFCs from 2024

Who Is Online

In total there are 117 users online: 0 registered, 111 guests and 6 bots.

Most users ever online was 5,555 on 17 Jul 2026, 3:23 am.

Bots: AhrefsBot Applebot Bingbot Other Bot PetalBot SemrushBot

Users active in the past 15 minutes. Total registered members: 372