Bundle Protocol Security Specification
draft-ietf-dtn-bpsec-01

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Document Type Active Internet-Draft (dtn WG)
Last updated 2016-03-19
Replaces draft-birrane-dtn-sbsp
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Delay-Tolerant Networking                                     E. Birrane
Internet-Draft                                                   JHU/APL
Intended status: Experimental                                   J. Mayer
Expires: September 20, 2016                                    INSYEN AG
                                                             D. Iannicca
                                                                NASA GRC
                                                          March 19, 2016

                 Bundle Protocol Security Specification
                        draft-ietf-dtn-bpsec-01

Abstract

   This document defines a security protocol providing data integrity
   and confidentiality services for the Bundle Protocol.  Capabilities
   are provided to protect blocks in a bundle along a single path
   through a network.

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
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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on September 20, 2016.

Copyright Notice

   Copyright (c) 2016 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

Birrane, et al.        Expires September 20, 2016               [Page 1]
Internet-Draft   Bundle Protocol Security Specification       March 2016

   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Related Documents . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Key Properties  . . . . . . . . . . . . . . . . . . . . . . .   6
     2.1.  Block-Level Granularity . . . . . . . . . . . . . . . . .   6
     2.2.  Multiple Security Sources . . . . . . . . . . . . . . . .   6
     2.3.  Mixed Security Policy . . . . . . . . . . . . . . . . . .   7
     2.4.  User-Selected Ciphersuites  . . . . . . . . . . . . . . .   8
     2.5.  Deterministic Processing  . . . . . . . . . . . . . . . .   8
   3.  Security Block Definitions  . . . . . . . . . . . . . . . . .   8
     3.1.  Block Identification  . . . . . . . . . . . . . . . . . .   9
     3.2.  Block Representation  . . . . . . . . . . . . . . . . . .   9
       3.2.1.  CMS Block Type-Specific Data Fields . . . . . . . . .  10
       3.2.2.  BIB and BCB Block Type-Specific Data Fields . . . . .  10
     3.3.  Block Ordering  . . . . . . . . . . . . . . . . . . . . .  11
     3.4.  Block Integrity Block . . . . . . . . . . . . . . . . . .  12
     3.5.  Block Confidentiality Block . . . . . . . . . . . . . . .  13
     3.6.  Cryptographic Message Syntax Block  . . . . . . . . . . .  15
     3.7.  Block Interactions  . . . . . . . . . . . . . . . . . . .  16
     3.8.  Parameters and Result Fields  . . . . . . . . . . . . . .  17
     3.9.  BSP Block Example . . . . . . . . . . . . . . . . . . . .  19
   4.  Security Processing . . . . . . . . . . . . . . . . . . . . .  22
     4.1.  Canonical Forms . . . . . . . . . . . . . . . . . . . . .  22
       4.1.1.  Block Canonicalization  . . . . . . . . . . . . . . .  22
       4.1.2.  Considerations  . . . . . . . . . . . . . . . . . . .  25
     4.2.  Endpoint ID Confidentiality . . . . . . . . . . . . . . .  25
     4.3.  Bundles Received from Other Nodes . . . . . . . . . . . .  26
       4.3.1.  Receiving BCB Blocks  . . . . . . . . . . . . . . . .  26
       4.3.2.  Receiving BIB Blocks  . . . . . . . . . . . . . . . .  26
     4.4.  Receiving CMSB Blocks . . . . . . . . . . . . . . . . . .  27
     4.5.  Bundle Fragmentation and Reassembly . . . . . . . . . . .  27
     4.6.  Reactive Fragmentation  . . . . . . . . . . . . . . . . .  28
   5.  Key Management  . . . . . . . . . . . . . . . . . . . . . . .  28
   6.  Policy Considerations . . . . . . . . . . . . . . . . . . . .  28
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  29
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