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Signed Object Template for the Resource Public Key Infrastructure (RPKI)
RFC 6488

Internet Engineering Task Force (IETF)                       M. Lepinski
Request for Comments: 6488                                        A. Chi
Category: Standards Track                                        S. Kent
ISSN: 2070-1721                                                      BBN
                                                           February 2012

                       Signed Object Template for
             the Resource Public Key Infrastructure (RPKI)

Abstract

   This document defines a generic profile for signed objects used in
   the Resource Public Key Infrastructure (RPKI).  These RPKI signed
   objects make use of Cryptographic Message Syntax (CMS) as a standard
   encapsulation format.

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/rfc6488.

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.

Lepinski, et al.             Standards Track                    [Page 1]
RFC 6488               RPKI Signed Object Template         February 2012

Table of Contents

   1. Introduction ....................................................2
      1.1. Terminology ................................................3
      1.2. Note on Algorithms .........................................3
   2. Signed Object Syntax ............................................3
      2.1. Signed-Data Content Type ...................................4
           2.1.1. version .............................................4
           2.1.2. digestAlgorithms ....................................4
           2.1.3. encapContentInfo ....................................4
                  2.1.3.1. eContentType ...............................5
                  2.1.3.2. eContent ...................................5
           2.1.4. certificates ........................................5
           2.1.5. crls ................................................5
           2.1.6. signerInfos .........................................5
                  2.1.6.1. version ....................................6
                  2.1.6.2. sid ........................................6
                  2.1.6.3. digestAlgorithm ............................6
                  2.1.6.4. signedAttrs ................................6
                           2.1.6.4.1. Content-Type Attribute ..........7
                           2.1.6.4.2. Message-Digest Attribute ........7
                           2.1.6.4.3. Signing-Time Attribute ..........7
                           2.1.6.4.4. Binary-Signing-Time Attribute ...8
                  2.1.6.5. signatureAlgorithm .........................8
                  2.1.6.6. signatureValue .............................8
                  2.1.6.7. unsigneAttrs ...............................8
   3. Signed Object Validation ........................................8
   4. Definition of Specific Signed Objects ..........................10
   5. Security Considerations ........................................10
   6. IANA Considerations ............................................11
   7. Acknowledgements ...............................................11
   8. Normative References ...........................................11
   9. Informative References .........................................12

1.  Introduction

   The purpose of the Resource Public Key Infrastructure (RPKI) is to
   support assertions by current resource holders of IP (v4 and v6)
   address space and AS numbers, based on the records of organizations
   that act as Certification Authorities (CAs).  IP address and AS
   number resource information is carried in X.509 certificates via RFC
   3779 extensions [RFC6487].  Other information assertions about

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