RFC9973 · TLS 1.3 Extension for Using Certificates with an External Pre-Shared Key

{
  "id": "RFC9973",
  "number": 9973,
  "title_en": "TLS 1.3 Extension for Using Certificates with an External Pre-Shared Key",
  "title_ru": "",
  "summary_ru": "",
  "purpose_ru": "",
  "use_ru": "",
  "full_translation_path": "",
  "full_translation_checked_at": "",
  "full_translation_source_sha256": "",
  "architect_note_ru": "",
  "topics_ru": [],
  "translation_state": "not_prepared",
  "verification_level": "not_prepared",
  "verification_level_ru": "Русская выжимка не подготовлена",
  "verification_note_ru": "",
  "abstract_en": "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 key (PSK). This Standards Track RFC obsoletes RFC 8773, which was an Experimental RFC.",
  "authors": [
    "R. Housley"
  ],
  "organizations": [],
  "publication_date": "2026-07-01",
  "current_status": "PROPOSED STANDARD",
  "current_status_ru": "Предлагаемый стандарт",
  "publication_status": "PROPOSED STANDARD",
  "publication_status_ru": "Предлагаемый стандарт",
  "lifecycle": "active",
  "lifecycle_ru": "Действующий",
  "stream": "IETF",
  "stream_ru": "IETF",
  "area": "sec",
  "area_ru": "Безопасность",
  "working_group": "tls",
  "source_draft": "draft-ietf-tls-8773bis-13",
  "page_count": 13,
  "doi": "10.17487/RFC9973",
  "keywords": [
    "cryptography",
    "pre-shared key"
  ],
  "formats": [
    "HTML",
    "TXT",
    "PDF",
    "XML"
  ],
  "relations": {
    "obsoletes": [
      "RFC8773"
    ],
    "obsoleted_by": [],
    "updates": [],
    "updated_by": [],
    "is_also": [],
    "see_also": []
  },
  "links": {
    "info": "https://www.rfc-editor.org/info/rfc9973/",
    "html": "https://www.rfc-editor.org/rfc/rfc9973.html",
    "txt": "https://www.rfc-editor.org/rfc/rfc9973.txt",
    "datatracker": "https://datatracker.ietf.org/doc/rfc9973/"
  }
}