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Integrity Check Value and Timestamp TLV Definitions for Mobile Ad Hoc Networks (MANETs)
RFC 7182

Internet Engineering Task Force (IETF)                        U. Herberg
Request for Comments: 7182               Fujitsu Laboratories of America
Obsoletes: 6622                                               T. Clausen
Category: Standards Track                       LIX, Ecole Polytechnique
ISSN: 2070-1721                                              C. Dearlove
                                                         BAE Systems ATC
                                                              April 2014

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

Abstract

   This document revises, extends, and replaces RFC 6622.  It describes
   general and flexible TLVs for representing cryptographic Integrity
   Check Values (ICVs) and 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 one or
   more addresses, 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/rfc7182.

Herberg, et al.              Standards Track                    [Page 1]
RFC 7182            ICV and Timestamp TLVs for MANETs         April 2014

Copyright Notice

   Copyright (c) 2014 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.

Table of Contents

   1. Introduction ....................................................3
      1.1. Differences from RFC 6622 ..................................4
   2. Terminology .....................................................4
   3. Applicability Statement .........................................5
   4. Security Architecture ...........................................6
   5. Overview and Functioning ........................................7
   6. General ICV TLV Structure .......................................8
   7. General Timestamp TLV Structure .................................8
   8. Packet TLVs .....................................................9
      8.1. ICV Packet TLV .............................................9
      8.2. TIMESTAMP Packet TLV ......................................10
   9. Message TLVs ...................................................10
      9.1. ICV Message TLV ...........................................10
      9.2. TIMESTAMP Message TLV .....................................10
   10. Address Block TLVs ............................................11
      10.1. ICV Address Block TLV ....................................11
      10.2. TIMESTAMP Address Block TLV ..............................11
   11. ICV: Basic ....................................................11
   12. ICV: Hash Function and Cryptographic Function .................12
      12.1. General ICV TLV Structure ................................12
           12.1.1. Rationale .........................................14
           12.1.2. Parameters ........................................15
      12.2. Considerations for Calculating the ICV ...................15
           12.2.1. ICV Packet TLV ....................................15
           12.2.2. ICV Message TLV ...................................16
           12.2.3. ICV Address Block TLV .............................16
      12.3. Example of a Message Including an ICV ....................17
   13. IANA Considerations ...........................................19
      13.1. Expert Review: Evaluation Guidelines .....................19
      13.2. Packet TLV Types .........................................20
      13.3. Message TLV Types ........................................20

Herberg, et al.              Standards Track                    [Page 2]

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