CMP Updates
draft-brockhaus-lamps-cmp-updates-01

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Last updated 2019-11-04
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Internet Engineering Task Force                             H. Brockhaus
Internet-Draft                                                   Siemens
Updates: 4210 (if approved)                             November 3, 2019
Intended status: Standards Track
Expires: May 6, 2020

                              CMP Updates
                  draft-brockhaus-lamps-cmp-updates-01

Abstract

   This document contains a set of updates to the base syntax of
   Certificate Management Protocol (CMP) version 2.  This document
   updates RFC 4210.

   Specifically, the CMP services updated in this document comprise the
   enabling of using EnvelopedData instead of EncryptedValue and the
   definition of extended key usages to identify certificates of CMP
   endpoints on certification and registration authorities.

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 May 6, 2020.

Copyright Notice

   Copyright (c) 2019 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
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   (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

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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.  History of changes  . . . . . . . . . . . . . . . . . . . . .   2
   2.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Convention and Terminology  . . . . . . . . . . . . . . .   3
   3.  Updates to RFC 4210 - Certificate Management Protocol (CMP) .   3
     3.1.  New Section 1.1. - Changes since RFC 4210 . . . . . . . .   3
     3.2.  New Section 4.5 - Extended Key Usage  . . . . . . . . . .   4
     3.3.  Replace Section 5.1.3.4 - Multiple Protection . . . . . .   5
     3.4.  Replace Section 5.2.2. - Encrypted Values . . . . . . . .   5
     3.5.  Update Section 5.3.4. - Certification Response  . . . . .   7
     3.6.  Update Section 5.3.19.9. - Revocation Passphrase  . . . .   8
     3.7.  New Section  - Polling Request and Response . . . . . . .   8
     3.8.  Update Appendix B - The Use of Revocation Passphrase  . .   9
     3.9.  Update Appendix C - Request Message Behavioral
           Clarifications  . . . . . . . . . . . . . . . . . . . . .  10
     3.10. Update Appendix D.4. - Initial Registration/Certification
           (Basic Authenticated Scheme)  . . . . . . . . . . . . . .  10
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  10
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  11
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  11
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  11
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  12
   Appendix A.  ASN.1 Modules  . . . . . . . . . . . . . . . . . . .  12
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .  13

1.  History of changes

   From version 00 -> 01:

   o  Add a section describing the new extended key usages

   o  Complete the section on changes to the specification of encrypted
      values

   o  Add a section on a clarification to Appendix D.4

   o  Add a section describing the new extended key usages

   o  Minor generalization in sections 5.1.3.4 and 5.3.22

   o  Minor changes in wording

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2.  Introduction

   While using CMP [RFC4210] in industrial and IoT environments and
   developing the Lightweight CMP Profile
   [I-D.brockhaus-lamps-lightweight-cmp-profile] some limitations were
   identified in the original CMP specification.  This document updates
   RFC 4210 [RFC4210] to overcome these limitations.
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