Key Relay Mapping for the Extensible Provisioning Protocol
RFC 8063

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Internet Engineering Task Force (IETF)                      H.W. Ribbers
Request for Comments: 8063                                M.W. Groeneweg
Category: Standards Track                                           SIDN
ISSN: 2070-1721                                                R. Gieben
                                                       A.L.J. Verschuren
                                                           February 2017

       Key Relay Mapping for the Extensible Provisioning Protocol

Abstract

   This document describes an Extensible Provisioning Protocol (EPP)
   mapping for a key relay object that relays DNSSEC key material
   between EPP clients using the poll queue defined in RFC 5730.

   This key relay mapping will help facilitate changing the DNS operator
   of a domain while keeping the DNSSEC chain of trust intact.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 7841.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc8063.

Copyright Notice

   Copyright (c) 2017 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
   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.

Ribbers, et al.              Standards Track                    [Page 1]
RFC 8063                      EPP Key Relay                February 2017

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Conventions Used in This Document . . . . . . . . . . . .   3
     1.2.  Secure Transfer of DNSSEC Key Material  . . . . . . . . .   3
   2.  Object Attributes . . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  DNSSEC Key Material . . . . . . . . . . . . . . . . . . .   4
       2.1.1.  <keyRelayData> Element  . . . . . . . . . . . . . . .   4
   3.  EPP Command Mapping . . . . . . . . . . . . . . . . . . . . .   5
     3.1.  EPP Query Commands  . . . . . . . . . . . . . . . . . . .   5
       3.1.1.  EPP <check> Command . . . . . . . . . . . . . . . . .   5
       3.1.2.  EPP <info> Command  . . . . . . . . . . . . . . . . .   5
       3.1.3.  EPP <transfer> Command  . . . . . . . . . . . . . . .   8
     3.2.  EPP Transform Commands  . . . . . . . . . . . . . . . . .   8
       3.2.1.  EPP <create> Command  . . . . . . . . . . . . . . . .   8
       3.2.2.  EPP <delete> Command  . . . . . . . . . . . . . . . .  10
       3.2.3.  EPP <renew> Command . . . . . . . . . . . . . . . . .  11
       3.2.4.  EPP <transfer> Command  . . . . . . . . . . . . . . .  11
       3.2.5.  EPP <update> Command  . . . . . . . . . . . . . . . .  11
   4.  Formal Syntax . . . . . . . . . . . . . . . . . . . . . . . .  11
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  13
     5.1.  XML Namespace . . . . . . . . . . . . . . . . . . . . . .  13
     5.2.  XML Schema  . . . . . . . . . . . . . . . . . . . . . . .  13
     5.3.  EPP Extension Registry  . . . . . . . . . . . . . . . . .  13
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  14
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  15
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  15
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  15
   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .  16
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  16

1.  Introduction

   There are certain transactions initiated by a DNS operator that
   require an authenticated exchange of information between DNS
   operators.  Often, there is no direct channel between these parties
   or it is non-scalable and insecure.

   One such transaction is the exchange of DNSSEC key material when
   changing the DNS operator for DNSSEC-signed zones.  We suggest that
   DNS operators use the administrative EPP channel to bootstrap the
   delegation by relaying DNSSEC key material for the zone.

   In this document, we define an EPP extension to send DNSSEC key
   material between EPP clients.  This allows DNS operators to