RFC 8731 · PROPOSED STANDARD · 2020
WED · 29 JUL 2026
Secure Shell Key Exchange Method Using Curve25519 and Curve448
Overview
RFC 8731, “Secure Shell Key Exchange Method Using Curve25519 and Curve448”, is a Proposed Standard document published in February 2020 by A. Adamantiadis, S. Josefsson, M. Baushke. The canonical text is published by the RFC Editor.
Abstract
This document describes the specification for using Curve25519 and Curve448 key exchange methods in the Secure Shell (SSH) protocol.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 8731 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
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- RFC 8728 RFC Editor Model
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- RFC 8727 JSON Binding of the Incident Object Description Exchange Format
- RFC 8735 Scenarios and Simulation Results of PCE in a Native IP Network