Commercial National Security Algorithm (CNSA) Suite Cryptography for Internet Protocol Security (IPSec)
draft-corcoran-cnsa-ipsec-profile-00

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Last updated 2019-12-04
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Network Working Group                                        L. Corcoran
Internet-Draft                                                M. Jenkins
Intended status: Informational                                       NSA
Expires: June 6, 2020                                   December 4, 2019

  Commercial National Security Algorithm (CNSA) Suite Cryptography for
                   Internet Protocol Security (IPSec)
                  draft-corcoran-cnsa-ipsec-profile-00

Abstract

   The United States Government has published the NSA Commercial
   National Security Algorithm (CNSA) Suite, which defines cryptographic
   algorithm policy for national security applications.  This document
   specifies the conventions for using the United States National
   Security Agency's CNSA Suite algorithms in Internet Protocol
   Security.  It applies to the capabilities, configuration, and
   operation of all components of US National Security Systems that
   employ IPSec.  US National Security Systems are described in NIST
   Special Publication 800-59.  It is also appropriate for all other US
   Government systems that process high-value information.  It is made
   publicly available for use by developers and operators of these and
   any other system deployments.

Status of This Memo

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   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on June 6, 2020.

Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Corcoran & Jenkins        Expires June 6, 2020                  [Page 1]
Internet-Draft          CNSA Suite IPSec Profile           December 2019

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  The Commercial National Security Algorithm Suite  . . . . . .   3
   4.  CNSA Compliant IPSec Overview . . . . . . . . . . . . . . . .   4
   5.  IPSec User Interface Suites . . . . . . . . . . . . . . . . .   5
     5.1.  Suite CNSA-GCM-256-ECDH-384 . . . . . . . . . . . . . . .   5
     5.2.  Suite CNSA-GCM-256-DH-3072  . . . . . . . . . . . . . . .   6
     5.3.  Suite CNSA-GCM-256-DH-4096  . . . . . . . . . . . . . . .   6
   6.  IKEv2 Authentication  . . . . . . . . . . . . . . . . . . . .   7
   7.  Certificates  . . . . . . . . . . . . . . . . . . . . . . . .   7
   8.  IKEv2 Security Associations (SA)  . . . . . . . . . . . . . .   7
   9.  The Key Exchange Payload in the IKE_SA_INIT Exchange  . . . .   8
   10. Generating Key Material for the IKE SA  . . . . . . . . . . .   8
   11. Additional Requirements . . . . . . . . . . . . . . . . . . .   9
   12. Guidance for Applications With Long Data-Protection
       Requirements  . . . . . . . . . . . . . . . . . . . . . . . .  10
   13. Security Considerations . . . . . . . . . . . . . . . . . . .  10
   14. IANA Considerations . . . . . . . . . . . . . . . . . . . . .  11
   15. References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     15.1.  Normative References . . . . . . . . . . . . . . . . . .  11
     15.2.  Informative References . . . . . . . . . . . . . . . . .  14
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  14

1.  Introduction

   This document specifies conventions for using the United States
   National Security Agency's CNSA Suite algorithms [CNSA] in Internet
   Protocol Security (IPSec).  It defines CNSA-based user interface
   suites ("UI suites") describing sets of security configurations for
   Internet Key Exchange version 2 (IKEv2) and IP Encapsulating Security
   Payload (ESP) protocol use.  It applies to the capabilities,
   configuration, and operation of all components of US National
   Security Systems that employ IPSec.  US National Security Systems are
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