---
author: canory
date: 2026-07-15T00:00:00Z
tags: [feeds]
feed:
  description: "Recently published RFCs"
  domain: "www.rfc-editor.org"
  enclosure: ""
  favicon: "/data/media/favicon.httpswwwrfc-editororgrfcrssxml.png"
  home: ""
  link: "https://www.rfc-editor.org/info/rfc9973/"
  name: "Recent RFCs"
  source: "https://www.rfc-editor.org/rfcrss.xml"
---

This document specifies a TLS 1.3 extension that allows TLS clients and servers to authenticate with certificates and provide confidentiality based on encryption with a symmetric key from the usual key agreement algorithm and an external pre-shared...