DNSSEC Key Rollover Timing Considerations
draft-ietf-dnsop-dnssec-key-timing-06

 
Document Type Active Internet-Draft (dnsop WG)
Last updated 2015-01-26 (latest revision 2014-10-13)
Replaces draft-morris-dnsop-dnssec-key-timing
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Internet Engineering Task Force                                S. Morris
Internet-Draft                                                       ISC
Intended status: Informational                                  J. Ihren
Expires: April 16, 2015                                           Netnod
                                                            J. Dickinson
                                                                 Sinodun
                                                              W. Mekking
                                                              NLnet Labs
                                                        October 13, 2014

               DNSSEC Key Rollover Timing Considerations
               draft-ietf-dnsop-dnssec-key-timing-06.txt

Abstract

   This document describes the issues surrounding the timing of events
   in the rolling of a key in a DNSSEC-secured zone.  It presents
   timelines for the key rollover and explicitly identifies the
   relationships between the various parameters affecting the process.

Status of this Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on April 16, 2015.

Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://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

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   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 . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1.  Key Rolling Considerations . . . . . . . . . . . . . . . .  3
     1.2.  Types of Keys  . . . . . . . . . . . . . . . . . . . . . .  4
     1.3.  Terminology  . . . . . . . . . . . . . . . . . . . . . . .  4
     1.4.  Limitation of Scope  . . . . . . . . . . . . . . . . . . .  4
   2.  Rollover Methods . . . . . . . . . . . . . . . . . . . . . . .  5
     2.1.  ZSK Rollovers  . . . . . . . . . . . . . . . . . . . . . .  5
     2.2.  KSK Rollovers  . . . . . . . . . . . . . . . . . . . . . .  6
   3.  Key Rollover Timelines . . . . . . . . . . . . . . . . . . . .  8
     3.1.  Key States . . . . . . . . . . . . . . . . . . . . . . . .  8
     3.2.  Zone-Signing Key Timelines . . . . . . . . . . . . . . . .  9
       3.2.1.  Pre-Publication Method . . . . . . . . . . . . . . . .  9
       3.2.2.  Double-Signature Method  . . . . . . . . . . . . . . . 12
     3.3.  Key-Signing Key Rollover Timelines . . . . . . . . . . . . 14
       3.3.1.  Double-KSK Method  . . . . . . . . . . . . . . . . . . 14
       3.3.2.  Double-DS Method . . . . . . . . . . . . . . . . . . . 16
       3.3.3.  Double-RRset Method  . . . . . . . . . . . . . . . . . 19
       3.3.4.  Interaction with Configured Trust Anchors  . . . . . . 21
       3.3.5.  Introduction of First Keys . . . . . . . . . . . . . . 22
   4.  Standby Keys . . . . . . . . . . . . . . . . . . . . . . . . . 23
   5.  Algorithm Considerations . . . . . . . . . . . . . . . . . . . 24
   6.  Summary  . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 25
   8.  Security Considerations  . . . . . . . . . . . . . . . . . . . 25
   9.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 25
   10. Normative References . . . . . . . . . . . . . . . . . . . . . 25
   Appendix A.  List of Symbols . . . . . . . . . . . . . . . . . . . 25
   Appendix B.  Change History (To be removed on publication) . . . . 28
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 30

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