Resource Public Key Infrastructure (RPKI) Validation Reconsidered
RFC 8360

Document Type RFC - Proposed Standard (April 2018; No errata)
Last updated 2018-04-04
Replaces draft-huston-rpki-validation
Stream IETF
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Stream WG state Submitted to IESG for Publication
Document shepherd Chris Morrow
Shepherd write-up Show (last changed 2016-10-26)
IESG IESG state RFC 8360 (Proposed Standard)
Consensus Boilerplate Yes
Telechat date
Responsible AD Alvaro Retana
Send notices to "Chris Morrow" <morrowc@ops-netman.net>, aretana.ietf@gmail.com
IANA IANA review state Version Changed - Review Needed
IANA action state RFC-Ed-Ack
Internet Engineering Task Force (IETF)                         G. Huston
Request for Comments: 8360                                 G. Michaelson
Category: Standards Track                                          APNIC
ISSN: 2070-1721                                              C. Martinez
                                                                  LACNIC
                                                          T. Bruijnzeels
                                                                RIPE NCC
                                                               A. Newton
                                                                    ARIN
                                                                 D. Shaw
                                                                 AFRINIC
                                                              April 2018

   Resource Public Key Infrastructure (RPKI) Validation Reconsidered

Abstract

   This document specifies an alternative to the certificate validation
   procedure specified in RFC 6487 that reduces aspects of operational
   fragility in the management of certificates in the Resource Public
   Key Infrastructure (RPKI), while retaining essential security
   features.

   The procedure specified in RFC 6487 requires that Resource
   Certificates are rejected entirely if they are found to overclaim any
   resources not contained on the issuing certificate, whereas the
   validation process defined here allows an issuing Certification
   Authority (CA) to chose to communicate that such Resource
   Certificates should be accepted for the intersection of their
   resources and the issuing certificate.

   It should be noted that the validation process defined here considers
   validation under a single trust anchor (TA) only.  In particular,
   concerns regarding overclaims where multiple configured TAs claim
   overlapping resources are considered out of scope for this document.

   This choice is signaled by a set of alternative Object Identifiers
   (OIDs) per "X.509 Extensions for IP Addresses and AS Identifiers"
   (RFC 3779) and "Certificate Policy (CP) for the Resource Public Key
   Infrastructure (RPKI)" (RFC 6484).  It should be noted that in case
   these OIDs are not used for any certificate under a trust anchor, the
   validation procedure defined here has the same outcome as the
   procedure defined in RFC 6487.

   Furthermore, this document provides an alternative to Route Origin
   Authorization (ROA) (RFC 6482) and BGPsec Router Certificate (BGPsec
   PKI Profiles -- publication requested) validation.

Huston, et al.               Standards Track                    [Page 1]
RFC 8360                     RPKI Validation                  April 2018

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
   https://www.rfc-editor.org/info/rfc8360.

Copyright Notice

   Copyright (c) 2018 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
   (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.

Huston, et al.               Standards Track                    [Page 2]
RFC 8360                     RPKI Validation                  April 2018

Table of Contents

   1.  Overview  . . . . . . . . . . . . . . . . . . . . . . . . . .   4
     1.1.  Requirements Notation . . . . . . . . . . . . . . . . . .   4
   2.  Certificate Validation in the RPKI  . . . . . . . . . . . . .   4
   3.  Operational Considerations  . . . . . . . . . . . . . . . . .   5
   4.  An Amended RPKI Certification Validation Process  . . . . . .   7
     4.1.  Verified Resource Sets  . . . . . . . . . . . . . . . . .   7
     4.2.  Differences with Existing Standards . . . . . . . . . . .   7
       4.2.1.  Certificate Policy (CP) for Use with Validation
               Reconsidered in the RPKI  . . . . . . . . . . . . . .   7
       4.2.2.  An Alternative to X.509 Extensions for IP Addresses
               and AS Identifiers (RFC 3779) . . . . . . . . . . . .   8
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