RFC9941 · Secure Shell (SSH) Key Exchange Method Using Hybrid Streamlined NTRU Prime sntrup761 and X25519 with SHA-512: sntrup761x25519-sha512

{
  "id": "RFC9941",
  "number": 9941,
  "title_en": "Secure Shell (SSH) Key Exchange Method Using Hybrid Streamlined NTRU Prime sntrup761 and X25519 with SHA-512: sntrup761x25519-sha512",
  "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 describes a widely deployed hybrid key exchange method in the Secure Shell (SSH) protocol that is based on Streamlined NTRU Prime sntrup761 and X25519 with SHA-512.",
  "authors": [
    "M. Friedl",
    "J. Mojzis",
    "S. Josefsson"
  ],
  "organizations": [],
  "publication_date": "2026-04-01",
  "current_status": "INFORMATIONAL",
  "current_status_ru": "Информационный",
  "publication_status": "INFORMATIONAL",
  "publication_status_ru": "Информационный",
  "lifecycle": "informational",
  "lifecycle_ru": "Справочный",
  "stream": "IETF",
  "stream_ru": "IETF",
  "area": "sec",
  "area_ru": "Безопасность",
  "working_group": "sshm",
  "source_draft": "draft-ietf-sshm-ntruprime-ssh-06",
  "page_count": 11,
  "doi": "10.17487/RFC9941",
  "keywords": [
    "NTRUPrime",
    "X25519",
    "SSH",
    "key exchange",
    "post-quantum cryptography",
    "hybrid key exchange"
  ],
  "formats": [
    "HTML",
    "TXT",
    "PDF",
    "XML"
  ],
  "relations": {
    "obsoletes": [],
    "obsoleted_by": [],
    "updates": [],
    "updated_by": [],
    "is_also": [],
    "see_also": []
  },
  "links": {
    "info": "https://www.rfc-editor.org/info/rfc9941/",
    "html": "https://www.rfc-editor.org/rfc/rfc9941.html",
    "txt": "https://www.rfc-editor.org/rfc/rfc9941.txt",
    "datatracker": "https://datatracker.ietf.org/doc/rfc9941/"
  }
}