RFC 8332 · PROPOSED STANDARD · 2018
SUN · 14 JUN 2026
Use of RSA Keys with SHA-256 and SHA-512 in the Secure Shell Protocol
Overview
RFC 8332, “Use of RSA Keys with SHA-256 and SHA-512 in the Secure Shell Protocol”, is a Proposed Standard document published in March 2018 by D. Bider. It updates RFC 4252, RFC 4253. The canonical text is published by the RFC Editor.
Abstract
This memo updates RFCs 4252 and 4253 to define new public key algorithms for use of RSA keys with SHA-256 and SHA-512 for server and client authentication in SSH connections.
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 8332 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2018
- RFC 8331 RTP Payload for Society of Motion Picture and Television Engineers ST 291-1 Ancillary Data
- RFC 8333 Micro-loop Prevention by Introducing a Local Convergence Delay
- RFC 8330 OSPF Traffic Engineering Link Availability Extension for Links with Variable Discrete Bandwidth
- RFC 8334 Launch Phase Mapping for the Extensible Provisioning Protocol
- RFC 8329 Framework for Interface to Network Security Functions
- RFC 8335 PROBE: A Utility for Probing Interfaces
- RFC 8328 Policy-Based Management Framework for the Simplified Use of Policy Abstractions
- RFC 8336 The ORIGIN HTTP/2 Frame