A Profile for X.509 PKIX Resource Certificates
RFC 6487

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Internet Engineering Task Force (IETF)                         G. Huston
Request for Comments: 6487                                 G. Michaelson
Category: Standards Track                                     R. Loomans
ISSN: 2070-1721                                                    APNIC
                                                           February 2012

             A Profile for X.509 PKIX Resource Certificates

Abstract

   This document defines a standard profile for X.509 certificates for
   the purpose of supporting validation of assertions of "right-of-use"
   of Internet Number Resources (INRs).  The certificates issued under
   this profile are used to convey the issuer's authorization of the
   subject to be regarded as the current holder of a "right-of-use" of
   the INRs that are described in the certificate.  This document
   contains the normative specification of Certificate and Certificate
   Revocation List (CRL) syntax in the Resource Public Key
   Infrastructure (RPKI).  This document also specifies profiles for the
   format of certificate requests and specifies the Relying Party RPKI
   certificate path validation procedure.

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 5741.

   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/rfc6487.

Huston, et al.               Standards Track                    [Page 1]
RFC 6487              Resource Certificate Profile         February 2012

Copyright Notice

   Copyright (c) 2012 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.

Huston, et al.               Standards Track                    [Page 2]
RFC 6487              Resource Certificate Profile         February 2012

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.1.  Terminology  . . . . . . . . . . . . . . . . . . . . . . .  5
   2.  Describing Resources in Certificates . . . . . . . . . . . . .  5
   3.  End-Entity (EE) Certificates and Signing Functions in the RPKI  5
   4.  Resource Certificates  . . . . . . . . . . . . . . . . . . . .  6
     4.1.  Version  . . . . . . . . . . . . . . . . . . . . . . . . .  6
     4.2.  Serial Number  . . . . . . . . . . . . . . . . . . . . . .  6
     4.3.  Signature Algorithm  . . . . . . . . . . . . . . . . . . .  6
     4.4.  Issuer . . . . . . . . . . . . . . . . . . . . . . . . . .  7
     4.5.  Subject  . . . . . . . . . . . . . . . . . . . . . . . . .  7
     4.6.  Validity . . . . . . . . . . . . . . . . . . . . . . . . .  7
       4.6.1.  notBefore  . . . . . . . . . . . . . . . . . . . . . .  8
       4.6.2.  notAfter . . . . . . . . . . . . . . . . . . . . . . .  8
     4.7.  Subject Public Key Info  . . . . . . . . . . . . . . . . .  8
     4.8.  Resource Certificate Extensions  . . . . . . . . . . . . .  8
       4.8.1.  Basic Constraints  . . . . . . . . . . . . . . . . . .  8
       4.8.2.  Subject Key Identifier . . . . . . . . . . . . . . . .  9
       4.8.3.  Authority Key Identifier . . . . . . . . . . . . . . .  9
       4.8.4.  Key Usage  . . . . . . . . . . . . . . . . . . . . . .  9
       4.8.5.  Extended Key Usage . . . . . . . . . . . . . . . . . .  9
       4.8.6.  CRL Distribution Points  . . . . . . . . . . . . . . . 10
       4.8.7.  Authority Information Access . . . . . . . . . . . . . 10
       4.8.8.  Subject Information Access . . . . . . . . . . . . . . 11
       4.8.9.  Certificate Policies . . . . . . . . . . . . . . . . . 12
       4.8.10. IP Resources . . . . . . . . . . . . . . . . . . . . . 12
       4.8.11. AS Resources . . . . . . . . . . . . . . . . . . . . . 12
   5.  Resource Certificate Revocation Lists  . . . . . . . . . . . . 13
   6.  Resource Certificate Requests  . . . . . . . . . . . . . . . . 13
     6.1.  PCKS#10 Profile  . . . . . . . . . . . . . . . . . . . . . 14
       6.1.1.  PKCS#10 Resource Certificate Request Template Fields . 14