RFC 9941 - Secure Shell (SSH) Key Exchange Method Using Hybrid Streamlined NTRU Prime sntrup761 and X25519 with SHA-512: sntrup761x25519-sha512

• Status: Informational
• Published: April 2026
• Stream: IETF
• Errata: RFC Editor Errata

Abstract

RFC 9941 est un document IETF Informational qui decrit la SSH hybrid key exchange method largement deployee, fondee sur Streamlined NTRU Prime sntrup761 et X25519 with SHA-512.

Contents

• 1. Introduction
• 2. Requirements Language
• 3. Key Exchange Method: sntrup761x25519-sha512
• 4. Security Considerations
• 5. IANA Considerations
• 6. References
• Appendix A. Test Vectors
• Acknowledgements
• Authors' Addresses

Related Resources

• Official Text: RFC 9941
• Official Page: RFC 9941 DataTracker
• Errata: RFC Editor Errata