RFC9809 · X.509 Certificate Extended Key Usage (EKU) for Configuration, Updates, and Safety-Critical Communication

{
  "id": "RFC9809",
  "number": 9809,
  "title_en": "X.509 Certificate Extended Key Usage (EKU) for Configuration, Updates, and Safety-Critical Communication",
  "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": "RFC 5280 defines the Extended Key Usage (EKU) extension and specifies several extended key purpose identifiers (KeyPurposeIds) for use with that extension in X.509 certificates. This document defines KeyPurposeIds for general-purpose and trust anchor configuration files, for software and firmware update packages, and for safety-critical communication to be included in the EKU extension of X.509 v3 public key certificates.",
  "authors": [
    "H. Brockhaus",
    "D. Goltzsche"
  ],
  "organizations": [],
  "publication_date": "2025-07-01",
  "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": "lamps",
  "source_draft": "draft-ietf-lamps-automation-keyusages-08",
  "page_count": 12,
  "doi": "10.17487/RFC9809",
  "keywords": [
    "Industrial Automation",
    "ERJU",
    "extended key usage",
    "extension",
    "PKI"
  ],
  "formats": [
    "HTML",
    "TXT",
    "PDF",
    "XML"
  ],
  "relations": {
    "obsoletes": [],
    "obsoleted_by": [],
    "updates": [],
    "updated_by": [],
    "is_also": [],
    "see_also": []
  },
  "links": {
    "info": "https://www.rfc-editor.org/info/rfc9809/",
    "html": "https://www.rfc-editor.org/rfc/rfc9809.html",
    "txt": "https://www.rfc-editor.org/rfc/rfc9809.txt",
    "datatracker": "https://datatracker.ietf.org/doc/rfc9809/"
  }
}