RFC 9941
Secure Shell (SSH) Key Exchange Method Using Hybrid Streamlined NTRU Prime sntrup761 and X25519 with SHA-512: sntrup761x25519-sha512, April 2026
- File formats:

- Also available: XML file for editing
- Status:
- INFORMATIONAL
- Authors:
- M. Friedl
J. Mojzis
S. Josefsson - Stream:
- IETF
- Source:
- sshm (sec)
Cite this RFC: TXT | XML | BibTeX
DOI: https://doi.org/10.17487/RFC9941
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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.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.