Generating Certificate Requests for Short-Term, Automatically-Renewed (STAR) Certificates
draft-sheffer-acme-star-request-01

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ACME                                                          Y. Sheffer
Internet-Draft                                                    Intuit
Intended status: Standards Track                                D. Lopez
Expires: December 18, 2017                           O. Gonzalez de Dios
                                                       A. Pastor Perales
                                                          Telefonica I+D
                                                              T. Fossati
                                                                   Nokia
                                                           June 16, 2017

 Generating Certificate Requests for Short-Term, Automatically-Renewed
                          (STAR) Certificates
                   draft-sheffer-acme-star-request-01

Abstract

   This memo proposes a protocol that allows a domain name owner to
   delegate to a third party (such as a CDN) control over a certificate
   that bears one or more names in that domain.  Specifically the third
   party creates a Certificate Signing Request for the domain, which can
   then be used by the domain owner to request a short term and
   automatically renewed (STAR) certificate.

   This is a component in a solution where a third-party such as a CDN
   can terminate TLS sessions on behalf of a domain name owner (e.g., a
   content provider), and the domain owner can cancel this delegation at
   any time without having to rely on certificate revocation mechanisms.

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
   Task Force (IETF).  Note that other groups may also distribute
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   Internet-Drafts are draft documents valid for a maximum of six months
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   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on December 18, 2017.

Sheffer, et al.         Expires December 18, 2017               [Page 1]
Internet-Draft              ACME STAR Request                  June 2017

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Conventions used in this document . . . . . . . . . . . .   4
   2.  Protocol Flow . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  Preconditions . . . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Bootstrap . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.3.  Refresh . . . . . . . . . . . . . . . . . . . . . . . . .   6
     2.4.  Termination . . . . . . . . . . . . . . . . . . . . . . .   7
   3.  Protocol Details  . . . . . . . . . . . . . . . . . . . . . .   8
     3.1.  STAR API  . . . . . . . . . . . . . . . . . . . . . . . .   8
       3.1.1.  Creating a Registration . . . . . . . . . . . . . . .   8
       3.1.2.  Polling the Registration  . . . . . . . . . . . . . .   9
     3.2.  Transport Security for the STAR Protocol  . . . . . . . .  10
   4.  CDNI Use Cases  . . . . . . . . . . . . . . . . . . . . . . .  10
     4.1.  Multiple Parallel Delegates . . . . . . . . . . . . . . .  10
     4.2.  Chained Delegation  . . . . . . . . . . . . . . . . . . .  11
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  11
     5.1.  STAR Protocol Authentication  . . . . . . . . . . . . . .  11
   6.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  11
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  11
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  12
   Appendix A.  Document History . . . . . . . . . . . . . . . . . .  13
     A.1.  draft-sheffer-acme-star-request-01  . . . . . . . . . . .  13
     A.2.  draft-sheffer-acme-star-request-00  . . . . . . . . . . .  13
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  13
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