Conveying a Certificate Signing Request (CSR) in a Secure Zero Touch Provisioning (SZTP) Bootstrapping Request
draft-kwatsen-netconf-sztp-csr-01
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NETCONF Working Group                                          K. Watsen
Internet-Draft                                           Watsen Networks
Updates: 8572 (if approved)                                   R. Housley
Intended status: Standards Track                     Vigil Security, LLC
Expires: 12 December 2020                                      S. Turner
                                                                   sn3rd
                                                            10 June 2020

  Conveying a Certificate Signing Request (CSR) in a Secure Zero Touch
               Provisioning (SZTP) Bootstrapping Request
                   draft-kwatsen-netconf-sztp-csr-01

Abstract

   This draft extends the "get-bootstrapping-data" RPC defined in RFC
   8572 to include an optional certificate signing request (CSR),
   enabling a bootstrapping device to additionally obtain an identity
   certificate (e.g., an LDevID, from IEEE 802.1AR) as part of the
   "onboarding information" response provided in the RPC-reply.

Editorial Note (To be removed by RFC Editor)

   This draft contains many placeholder values that need to be replaced
   with finalized values at the time of publication.  This note
   summarizes all of the substitutions that are needed.  No other RFC
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   Artwork in this document contains shorthand references to drafts in
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   *  "XXXX" --> the assigned numerical RFC value for this draft

   *  "AAAA" --> the assigned RFC value for I-D.ietf-netconf-crypto-
      types

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   *  "2020-06-10" --> the publication date of this draft

   This document contains references to other drafts in progress, both
   in the Normative References section, as well as in body text
   throughout.  Please update the following references to reflect their
   final RFC assignments:

   *  I-D.ietf-netconf-crypto-types

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Internet-Draft     Conveying a CSR in an SZTP Request          June 2020

   *  I-D.ietf-netconf-keystore

   *  I-D.ietf-netconf-trust-anchors

   *  I-D.ietf-netmod-factory-default

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
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   This Internet-Draft will expire on 12 December 2020.

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   Copyright (c) 2020 IETF Trust and the persons identified as the
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Overview  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
     1.3.  Requirements Language . . . . . . . . . . . . . . . . . .   4
   2.  The "ietf-sztp-csr" Module  . . . . . . . . . . . . . . . . .   4
     2.1.  Data Model Overview . . . . . . . . . . . . . . . . . . .   4
     2.2.  Example Usage . . . . . . . . . . . . . . . . . . . . . .   7
     2.3.  YANG Module . . . . . . . . . . . . . . . . . . . . . . .  13
   3.  Security Considerations . . . . . . . . . . . . . . . . . . .  23

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     3.1.  SZTP-Client Considerations  . . . . . . . . . . . . . . .  23
       3.1.1.  Ensuring the Integrity of Asymmetric Private Keys . .  23
       3.1.2.  Reuse of a Manufacturer-generated Private Key . . . .  23
       3.1.3.  Replay Attack Protection  . . . . . . . . . . . . . .  24
       3.1.4.  Connecting to an Untrusted Bootstrap Server . . . . .  24
       3.1.5.  Selecting the Best Origin Authentication Mechanism  .  25
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