Identity-Based Signatures for MANET Routing Protocols
draft-ietf-manet-ibs-02

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Document Type Active Internet-Draft (manet WG)
Author Christopher Dearlove 
Last updated 2014-08-25 (latest revision 2014-07-30)
Replaces draft-dearlove-manet-ibs
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Mobile Ad hoc Networking (MANET)                             C. Dearlove
Internet-Draft                                           BAE Systems ATC
Updates: 7182 (if approved)                                July 30, 2014
Intended status: Standards Track
Expires: January 31, 2015

         Identity-Based Signatures for MANET Routing Protocols
                        draft-ietf-manet-ibs-02

Abstract

   This document extends [RFC7182], which specifies a framework for, and
   specific examples of, integrity check values (ICVs) for packets and
   messages using the generalized packet/message format specified in
   [RFC5444].  It does so by defining an additional cryptographic
   function that allows the creation of an ICV that is an identity-based
   signature, defined according to the ECCSI (Elliptic Curve-Based
   Certificateless Signatures for Identity-Based Encryption) algorithm
   specified in [RFC6507].

Status of this Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
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   Internet-Drafts are draft documents valid for a maximum of six months
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   This Internet-Draft will expire on January 31, 2015.

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

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   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
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  5
   3.  Applicability Statement  . . . . . . . . . . . . . . . . . . .  5
   4.  Specification  . . . . . . . . . . . . . . . . . . . . . . . .  5
     4.1.  Cryptographic Function . . . . . . . . . . . . . . . . . .  5
     4.2.  ECCSI parameters . . . . . . . . . . . . . . . . . . . . .  6
     4.3.  Identity . . . . . . . . . . . . . . . . . . . . . . . . .  7
   5.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  7
   6.  Security Considerations  . . . . . . . . . . . . . . . . . . .  8
   7.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . .  9
   8.  References . . . . . . . . . . . . . . . . . . . . . . . . . .  9
     8.1.  Normative References . . . . . . . . . . . . . . . . . . .  9
     8.2.  Informative References . . . . . . . . . . . . . . . . . .  9
   Appendix A.  Example . . . . . . . . . . . . . . . . . . . . . . . 10
   Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 15

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1.  Introduction

   [RFC7182] defines ICV (integrity check value) TLVs for use in packets
   and messages that use the generalized MANET packet/message format
   defined in [RFC5444].  This specification extends the TLV definitions
   therein by defining two new cryptographic function code points from
   within the registries set up by [RFC7182].  This allows the use of an
   identity-based signature (IBS) as an ICV.  An IBS has an additional
   property that is not shared by all of the previously specified ICVs,
   it not only indicates that the protected packet or message is valid,
   but also verifies the originator of the packet/message.

   This specification assumes that each router (i.e., each originator of
   [RFC5444] format packets/messages) has an identity that may be tied
   to the packet or message.  The router may have more than one
   identity, but will only use one for each ICV TLV.  The cryptographic
   strength of the IBS is not dependent on the choice of identity.

   Two options for the choice of identity are supported (as reflected by
   the two code points allocated).  In the first the identity can be any
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