RSA Key Exchange for the Secure Shell Transport Layer Protocol
RFC 4432, “RSA Key Exchange for the Secure Shell Transport Layer Protocol”, is a Proposed Standard document published in March 2006 by B. Harris. It has since been updated by RFC 9142. The canonical text is published by the RFC Editor.
Abstract
This memo describes a key-exchange method for the Secure Shell (SSH) protocol based on Rivest-Shamir-Adleman (RSA) public-key encryption. It uses much less client CPU time than the Diffie-Hellman algorithm specified as part of the core protocol, and hence is particularly suitable for slow client systems. [STANDARDS-TRACK]
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.
The canonical text of RFC 4432 is hosted at rfc-editor.org. Available in TXT,HTML.
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