GDOI GROUPKEY-PUSH Acknowledgement Message
draft-weis-gdoi-rekey-ack-05

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Last updated 2017-04-07 (latest revision 2017-03-10)
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Network Working Group                                            B. Weis
Internet-Draft                                             Cisco Systems
Intended status: Standards Track                               U. Mangla
Expires: September 11, 2017                        Juniper Networks Inc.
                                                                 T. Karl
                                                        Deutsche Telekom
                                                           N. Maheshwari
                                                          March 10, 2017

               GDOI GROUPKEY-PUSH Acknowledgement Message
                      draft-weis-gdoi-rekey-ack-05

Abstract

   The Group Domain of Interpretation (GDOI) includes the ability for a
   Group Controller/Key Server (GCKS) to provide a set of current Group
   Member (GM) devices with additional security associations (e.g., to
   rekey expiring security associations).  This memo adds the ability of
   a GCKS to request the GM devices to return an acknowledgement of
   receipt of its rekey message, and specifies the acknowledgement
   method.

Status of This Memo

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   This Internet-Draft will expire on September 11, 2017.

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   Copyright (c) 2017 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

Weis, et al.           Expires September 11, 2017               [Page 1]
Internet-Draft              GROUPKEY-PUSH ACK                 March 2017

   publication of this document.  Please review these documents
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements notation . . . . . . . . . . . . . . . . . .   3
     1.2.  Acronyms and Abbreviations  . . . . . . . . . . . . . . .   4
   2.  Acknowledgement Message Request . . . . . . . . . . . . . . .   4
     2.1.  REKEY_ACK_KEK Type  . . . . . . . . . . . . . . . . . . .   5
     2.2.  REKEY_ACK_LKH Type  . . . . . . . . . . . . . . . . . . .   5
   3.  GROUPKEY-PUSH Acknowledgement Message . . . . . . . . . . . .   6
     3.1.  HDR . . . . . . . . . . . . . . . . . . . . . . . . . . .   7
     3.2.  HASH  . . . . . . . . . . . . . . . . . . . . . . . . . .   7
     3.3.  SEQ . . . . . . . . . . . . . . . . . . . . . . . . . . .   8
     3.4.  ID  . . . . . . . . . . . . . . . . . . . . . . . . . . .   8
   4.  Group Member Operations . . . . . . . . . . . . . . . . . . .   8
   5.  GCKS Operations . . . . . . . . . . . . . . . . . . . . . . .   9
   6.  Management Considerations . . . . . . . . . . . . . . . . . .   9
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
     7.1.  Protection of the GROUPKEY-PUSH ACK . . . . . . . . . . .  11
     7.2.  Transmitting a GROUPKEY-PUSH ACK  . . . . . . . . . . . .  12
     7.3.  Receiving a GROUPKEY-PUSH ACK . . . . . . . . . . . . . .  12
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  12
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  13
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  13
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  13
     10.2.  Informative References . . . . . . . . . . . . . . . . .  14
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  15

1.  Introduction

   The Group Domain of Interpretation (GDOI) [RFC6407] is a group key
   management method by which a Group Controller/Key Server (GCKS)
   distributes security associations (i.e., cryptographic policy and
   keying material) to a set of Group Member (GM) devices.  GDOI meets
   the requirement of the Multicast Security (MSEC) Group Key Management
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