RFC 9242

Intermediate Exchange in the Internet Key Exchange Protocol Version 2 (IKEv2), May 2022

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Status:
PROPOSED STANDARD
Author:
V. Smyslov
Stream:
IETF
Source:
ipsecme (sec)

Cite this RFC: TXT  |  XML

DOI:  10.17487/RFC9242

Discuss this RFC: Send questions or comments to ipsec@ietf.org

Other actions: Submit Errata  |  Find IPR Disclosures from the IETF  |  View History of RFC 9242


Abstract

This document defines a new exchange, called "Intermediate Exchange", for the Internet Key Exchange Protocol Version 2 (IKEv2). This exchange can be used for transferring large amounts of data in the process of IKEv2 Security Association (SA) establishment. An example of the need to do this is using key exchange methods resistant to Quantum Computers (QCs) for IKE SA establishment. The Intermediate Exchange makes it possible to use the existing IKE fragmentation mechanism (which cannot be used in the initial IKEv2 exchange), helping to avoid IP fragmentation of large IKE messages if they need to be sent before IKEv2 SA is established.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.




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