RFC 7664 · INFORMATIONAL · 2015
WED · 29 JUL 2026
Dragonfly Key Exchange
Overview
RFC 7664, “Dragonfly Key Exchange”, is an Informational document published in November 2015 by D. Harkins. The canonical text is published by the RFC Editor.
Abstract
This document specifies a key exchange using discrete logarithm cryptography that is authenticated using a password or passphrase. It is resistant to active attack, passive attack, and offline dictionary attack. This document is a product of the Crypto Forum Research Group (CFRG).
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 7664 is hosted at rfc-editor.org. Available in TXT,HTML.
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