Integrity Check Value and Timestamp TLV Definitions for Mobile Ad Hoc Networks (MANETs)
RFC 6622

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Internet Engineering Task Force (IETF)                        U. Herberg
Request for Comments: 6622               Fujitsu Laboratories of America
Category: Standards Track                                     T. Clausen
ISSN: 2070-1721                                 LIX, Ecole Polytechnique
                                                                May 2012

          Integrity Check Value and Timestamp TLV Definitions
                  for Mobile Ad Hoc Networks (MANETs)

Abstract

   This document describes general and flexible TLVs for representing
   cryptographic Integrity Check Values (ICVs) (i.e., digital signatures
   or Message Authentication Codes (MACs)) as well as timestamps, using
   the generalized Mobile Ad Hoc Network (MANET) packet/message format
   defined in RFC 5444.  It defines two Packet TLVs, two Message TLVs,
   and two Address Block TLVs for affixing ICVs and timestamps to a
   packet, a message, and an address, respectively.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc6622.

Copyright Notice

   Copyright (c) 2012 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
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Herberg & Clausen            Standards Track                    [Page 1]
RFC 6622            ICV and Timestamp TLVs for MANETs           May 2012

Table of Contents

   1. Introduction ....................................................3
   2. Terminology .....................................................3
   3. Applicability Statement .........................................3
   4. Security Architecture ...........................................4
   5. Overview and Functioning ........................................5
   6. General ICV TLV Structure .......................................6
   7. General Timestamp TLV Structure .................................6
   8. Packet TLVs .....................................................7
      8.1. Packet ICV TLV .............................................7
      8.2. Packet TIMESTAMP TLV .......................................7
   9. Message TLVs ....................................................8
      9.1. Message ICV TLV ............................................8
      9.2. Message TIMESTAMP TLV ......................................8
   10. Address Block TLVs .............................................8
      10.1. Address Block ICV TLV .....................................8
      10.2. Address Block TIMESTAMP TLV ...............................9
   11. ICV: Basic .....................................................9
   12. ICV: Cryptographic Function over a Hash Value ..................9
      12.1. General ICV TLV Structure ................................10
           12.1.1. Rationale .........................................11
      12.2. Considerations for Calculating the ICV ...................11
           12.2.1. Packet ICV TLV ....................................11
           12.2.2. Message ICV TLV ...................................11
           12.2.3. Address Block ICV TLV .............................11
      12.3. Example of a Message Including an ICV ....................12
   13. IANA Considerations ...........................................13
      13.1. Expert Review: Evaluation Guidelines .....................13
      13.2. Packet TLV Type Registrations ............................14
      13.3. Message TLV Type Registrations ...........................15
      13.4. Address Block TLV Type Registrations .....................16
      13.5. Hash Functions ...........................................17
      13.6. Cryptographic Functions ..................................18
   14. Security Considerations .......................................18
   15. Acknowledgements ..............................................19
   16. References ....................................................19
      16.1. Normative References .....................................19