{
  "draft": "draft-ietf-sshm-ntruprime-ssh-06",
  "doc_id": "RFC9941",
  "title": "Secure Shell (SSH) Key Exchange Method Using Hybrid Streamlined NTRU Prime sntrup761 and X25519 with SHA-512: sntrup761x25519-sha512",
  "authors": [
    "M. Friedl",
    "J. Mojzis",
    "S. Josefsson"
  ],
  "format": [
    "XML",
    "TEXT",
    "HTML",
    "PDF"
  ],
  "page_count": "11",
  "pub_status": "INFORMATIONAL",
  "status": "INFORMATIONAL",
  "source": "Secure Shell Maintenance",
  "abstract": "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.",
  "pub_date": "April 2026",
  "keywords": [
    "NTRUPrime",
    "X25519",
    "SSH",
    "key exchange",
    "post-quantum cryptography",
    "hybrid key exchange"
  ],
  "obsoletes": [],
  "obsoleted_by": [],
  "updates": [],
  "updated_by": [],
  "see_also": [],
  "doi": "10.17487/RFC9941",
  "errata_url": null
}