Support for Short-Term, Automatically-Renewed (STAR) Certificates in Automated Certificate Management Environment (ACME)
draft-ietf-acme-star-01

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Last updated 2017-11-12
Replaces draft-sheffer-acme-star
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ACME Working Group                                            Y. Sheffer
Internet-Draft                                                    Intuit
Intended status: Standards Track                                D. Lopez
Expires: May 16, 2018                                O. Gonzalez de Dios
                                                       A. Pastor Perales
                                                          Telefonica I+D
                                                              T. Fossati
                                                                   Nokia
                                                       November 12, 2017

  Support for Short-Term, Automatically-Renewed (STAR) Certificates in
          Automated Certificate Management Environment (ACME)
                        draft-ietf-acme-star-01

Abstract

   This memo proposes an ACME extension to enable the issuance of short-
   term and automatically renewed certificates.

   [RFC Editor: please remove before publication]

   While the draft is being developed, the editor's version can be found
   at https://github.com/yaronf/I-D/tree/master/STAR.

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 16, 2018.

Copyright Notice

   Copyright (c) 2017 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Sheffer, et al.           Expires May 16, 2018                  [Page 1]
Internet-Draft                  ACME STAR                  November 2017

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Name Delegation Use Case  . . . . . . . . . . . . . . . .   3
     1.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
     1.3.  Conventions used in this document . . . . . . . . . . . .   4
   2.  Protocol Flow . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  Bootstrap . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Refresh . . . . . . . . . . . . . . . . . . . . . . . . .   5
     2.3.  Termination . . . . . . . . . . . . . . . . . . . . . . .   6
   3.  Protocol Details  . . . . . . . . . . . . . . . . . . . . . .   7
     3.1.  ACME Extensions . . . . . . . . . . . . . . . . . . . . .   7
       3.1.1.  Extending the Order Resource  . . . . . . . . . . . .   7
       3.1.2.  Canceling a Recurrent Order . . . . . . . . . . . . .   8
     3.2.  Indicating Support of Recurrent Orders  . . . . . . . . .   9
     3.3.  Fetching the Certificates . . . . . . . . . . . . . . . .   9
   4.  Operational Considerations  . . . . . . . . . . . . . . . . .  10
     4.1.  Certificate Transparency (CT) Logs  . . . . . . . . . . .  10
   5.  Implementation Status . . . . . . . . . . . . . . . . . . . .  10
     5.1.  Overview  . . . . . . . . . . . . . . . . . . . . . . . .  11
       5.1.1.  ACME Server with STAR extension . . . . . . . . . . .  11
       5.1.2.  Proxy STAR  . . . . . . . . . . . . . . . . . . . . .  11
     5.2.  Level of Maturity . . . . . . . . . . . . . . . . . . . .  12
     5.3.  Coverage  . . . . . . . . . . . . . . . . . . . . . . . .  12
     5.4.  Version Compatibility . . . . . . . . . . . . . . . . . .  12
     5.5.  Licensing . . . . . . . . . . . . . . . . . . . . . . . .  12
     5.6.  Implementation experience . . . . . . . . . . . . . . . .  12
     5.7.  Contact Information . . . . . . . . . . . . . . . . . . .  13
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  13
     6.1.  New ACME Error Types  . . . . . . . . . . . . . . . . . .  13
     6.2.  New ACME Order Object Fields  . . . . . . . . . . . . . .  13
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  13
   8.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  14
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