< draft-ietf-ipsecme-ikev2-multiple-ke-04.txt   draft-ietf-ipsecme-ikev2-multiple-ke-05.txt >
Internet Engineering Task Force (IETF) C. Tjhai Internet Engineering Task Force (IETF) C. Tjhai
Internet-Draft M. Tomlinson Internet-Draft M. Tomlinson
Updates: 7296 (if approved) Post-Quantum Updates: 7296 (if approved) Post-Quantum
Intended status: Standards Track G. Bartlett Intended status: Standards Track G. Bartlett
Expires: 3 April 2022 Quantum Secret Expires: 29 September 2022 Quantum Secret
S. Fluhrer S. Fluhrer
Cisco Systems Cisco Systems
D. Van Geest D. Van Geest
ISARA Corporation ISARA Corporation
O. Garcia-Morchon O. Garcia-Morchon
Philips Philips
V. Smyslov V. Smyslov
ELVIS-PLUS ELVIS-PLUS
30 September 2021 28 March 2022
Multiple Key Exchanges in IKEv2 Multiple Key Exchanges in IKEv2
draft-ietf-ipsecme-ikev2-multiple-ke-04 draft-ietf-ipsecme-ikev2-multiple-ke-05
Abstract Abstract
This document describes how to extend the Internet Key Exchange This document describes how to extend the Internet Key Exchange
Protocol Version 2 (IKEv2) to allow multiple key exchanges to take Protocol Version 2 (IKEv2) to allow multiple key exchanges to take
place while computing a shared secret during a Security Association place while computing a shared secret during a Security Association
(SA) setup. The primary application of this feature in IKEv2 is the (SA) setup. The primary application of this feature in IKEv2 is the
ability to perform one or more post-quantum key exchanges in ability to perform one or more post-quantum key exchanges in
conjunction with the classical (Elliptic Curve) Diffie-Hellman key conjunction with the classical (Elliptic Curve) Diffie-Hellman key
exchange, so that the resulting shared key is resistant against exchange, so that the resulting shared key is resistant against
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
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and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
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This Internet-Draft will expire on 3 April 2022. This Internet-Draft will expire on 29 September 2022.
Copyright Notice Copyright Notice
Copyright (c) 2021 IETF Trust and the persons identified as the Copyright (c) 2022 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
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Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Problem Description . . . . . . . . . . . . . . . . . . . 3 1.1. Problem Description . . . . . . . . . . . . . . . . . . . 3
1.2. Proposed Extension . . . . . . . . . . . . . . . . . . . 3 1.2. Proposed Extension . . . . . . . . . . . . . . . . . . . 3
1.3. Changes . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.3. Changes . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.4. Document Organization . . . . . . . . . . . . . . . . . . 7 1.4. Document Organization . . . . . . . . . . . . . . . . . . 7
2. Design Criteria . . . . . . . . . . . . . . . . . . . . . . . 7 2. Design Criteria . . . . . . . . . . . . . . . . . . . . . . . 7
3. Multiple Key Exchanges . . . . . . . . . . . . . . . . . . . 9 3. Multiple Key Exchanges . . . . . . . . . . . . . . . . . . . 9
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valuable comments. Thanks to Paul Wouters for reviewing the valuable comments. Thanks to Paul Wouters for reviewing the
document. document.
7. References 7. References
7.1. Normative References 7.1. Normative References
[I-D.ietf-ipsecme-ikev2-intermediate] [I-D.ietf-ipsecme-ikev2-intermediate]
Smyslov, V., "Intermediate Exchange in the IKEv2 Smyslov, V., "Intermediate Exchange in the IKEv2
Protocol", Work in Progress, Internet-Draft, draft-ietf- Protocol", Work in Progress, Internet-Draft, draft-ietf-
ipsecme-ikev2-intermediate-07, 3 August 2021, ipsecme-ikev2-intermediate-10, 5 March 2022,
<https://www.ietf.org/archive/id/draft-ietf-ipsecme-ikev2- <https://www.ietf.org/archive/id/draft-ietf-ipsecme-ikev2-
intermediate-07.txt>. intermediate-10.txt>.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997, DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/info/rfc2119>. <https://www.rfc-editor.org/info/rfc2119>.
[RFC7296] Kaufman, C., Hoffman, P., Nir, Y., Eronen, P., and T. [RFC7296] Kaufman, C., Hoffman, P., Nir, Y., Eronen, P., and T.
Kivinen, "Internet Key Exchange Protocol Version 2 Kivinen, "Internet Key Exchange Protocol Version 2
(IKEv2)", STD 79, RFC 7296, DOI 10.17487/RFC7296, October (IKEv2)", STD 79, RFC 7296, DOI 10.17487/RFC7296, October
2014, <https://www.rfc-editor.org/info/rfc7296>. 2014, <https://www.rfc-editor.org/info/rfc7296>.
skipping to change at page 23, line 8 skipping to change at page 23, line 8
7.2. Informative References 7.2. Informative References
[GROVER] Grover, L., "A Fast Quantum Mechanical Algorithm for [GROVER] Grover, L., "A Fast Quantum Mechanical Algorithm for
Database Search", Proc. of the Twenty-Eighth Annual ACM Database Search", Proc. of the Twenty-Eighth Annual ACM
Symposium on the Theory of Computing (STOC 1996), 1996. Symposium on the Theory of Computing (STOC 1996), 1996.
[I-D.ietf-ipsecme-g-ikev2] [I-D.ietf-ipsecme-g-ikev2]
Smyslov, V. and B. Weis, "Group Key Management using Smyslov, V. and B. Weis, "Group Key Management using
IKEv2", Work in Progress, Internet-Draft, draft-ietf- IKEv2", Work in Progress, Internet-Draft, draft-ietf-
ipsecme-g-ikev2-03, 11 July 2021, <https://www.ietf.org/ ipsecme-g-ikev2-05, 18 March 2022, <https://www.ietf.org/
internet-drafts/draft-ietf-ipsecme-g-ikev2-03.txt>. internet-drafts/draft-ietf-ipsecme-g-ikev2-05.txt>.
[I-D.tjhai-ikev2-beyond-64k-limit] [I-D.tjhai-ikev2-beyond-64k-limit]
Tjhai, C., Heider, T., and V. Smyslov, "Beyond 64KB Limit Tjhai, C., Heider, T., and V. Smyslov, "Beyond 64KB Limit
of IKEv2 Payloads", Work in Progress, Internet-Draft, of IKEv2 Payloads", Work in Progress, Internet-Draft,
draft-tjhai-ikev2-beyond-64k-limit-01, 9 July 2021, draft-tjhai-ikev2-beyond-64k-limit-01, 9 July 2021,
<https://www.ietf.org/archive/id/draft-tjhai-ikev2-beyond- <https://www.ietf.org/archive/id/draft-tjhai-ikev2-beyond-
64k-limit-01.txt>. 64k-limit-01.txt>.
[RFC4302] Kent, S., "IP Authentication Header", RFC 4302, [RFC4302] Kent, S., "IP Authentication Header", RFC 4302,
DOI 10.17487/RFC4302, December 2005, DOI 10.17487/RFC4302, December 2005,
 End of changes. 9 change blocks. 
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