IEC 62351 Security Protocol support for GDOI
draft-weis-gdoi-iec62351-9-00

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Updates: 6407 (once approved)                                    B. Weis
Internet-Draft                                                M. Seewald
Intended status: Standards Track                           Cisco Systems
Expires: December 13, 2013                                       H. Falk
                                                                   SISCO
                                                           June 11, 2013

              IEC 62351 Security Protocol support for GDOI
                     draft-weis-gdoi-iec62351-9-00

Abstract

   The IEC 61850 power utility automation family of standards describe
   methods using Ethernet and IP for distributing control and data
   frames within and between substations.  The IEC 61850-90-5 and IEC
   62351-9 standards specify the use of the Group Domain of
   Interpretation (GDOI) protocol (RFC 6407) to distribute security
   transforms for some IEC 61850 security protocols.  This memo assigns
   updates GDOI to encode the security transforms and keying material
   for those security protocols.

Status of this Memo

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   This Internet-Draft will expire on December 13, 2013.

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Weis, et al.            Expires December 13, 2013               [Page 1]
Internet-Draft                IEC62351-GDOI                    June 2013

   carefully, as they describe your rights and restrictions with respect
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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1.  Requirements notation  . . . . . . . . . . . . . . . . . .  3
     1.2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . .  3
     1.3.  Acronyms and Abbreviations . . . . . . . . . . . . . . . .  3

   2.  IEC 61850 Protocol Information . . . . . . . . . . . . . . . .  5
     2.1.  ID Payload . . . . . . . . . . . . . . . . . . . . . . . .  5
     2.2.  SA TEK Payload . . . . . . . . . . . . . . . . . . . . . .  6
     2.3.  Key Download Payload . . . . . . . . . . . . . . . . . . .  9

   3.  Security Considerations  . . . . . . . . . . . . . . . . . . . 11

   4.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 12

   5.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 13

   6.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 14
     6.1.  Normative References . . . . . . . . . . . . . . . . . . . 14
     6.2.  Informative References . . . . . . . . . . . . . . . . . . 14

   Appendix A.  Example ID, SA TEK, and KD payloads for IEC 61850 . . 16

   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 19

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1.  Introduction

   Power substations use Generic Object Oriented Substation Events
   (GOOSE) protocol [IEC-61850-8-1] to distribute control information to
   groups of devices using a multicast strategy.  Sources within the
   power substations also distribute IEC 61850-9-2 sampled values data
   streams [IEC-61850-9-2].  The IEC 62351-9 standard [IEC-62351-9] has
   specified the use of GDOI [RFC6407] to distribute security policy and
   session keying material protecting these frames.

   Section 5.5.2 of RFC 6407 specifies that the following information
   needs to be provided in order to fully define a new Security
   Protocol:

   o  The Protocol-ID for the particular Security Protocol.

   o  The SPI Size

   o  The method of SPI generation

   o  The transforms, attributes, and keys needed by the Security
      Protocol.

   This memo updates RFC 6407 with policy sufficient for GDOI to
   distribute policy and keying material for IEC 61850, and defines the
   necessary information to ensure interoperability between IEC 61850
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