Concise Software Identifiers
draft-ietf-sacm-coswid-00

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Document Type Active Internet-Draft (sacm WG)
Last updated 2017-01-09
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SACM Working Group                                           H. Birkholz
Internet-Draft                                            Fraunhofer SIT
Intended status: Standards Track                     J. Fitzgerald-McKay
Expires: July 13, 2017                             Department of Defense
                                                              C. Schmidt
                                                   The MITRE Corporation
                                                           D. Waltermire
                                                                    NIST
                                                        January 09, 2017

                      Concise Software Identifiers
                       draft-ietf-sacm-coswid-00

Abstract

   This document defines a concise representation of ISO 19770-2:2015
   Software Identifiers (SWID tags) that is interoperable with the XML
   schema definition of ISO 19770-2:2015.

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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   Drafts is at http://datatracker.ietf.org/drafts/current/.

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   This Internet-Draft will expire on July 13, 2017.

Copyright Notice

   Copyright (c) 2017 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

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   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  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements notation . . . . . . . . . . . . . . . . . .   3
   2.  Concise SWID data definition  . . . . . . . . . . . . . . . .   4
   3.  Encoding hashes for Concise SWID tags . . . . . . . . . . . .   8
   4.  COSE signatures for Concise SWID tags . . . . . . . . . . . .   8
   5.  IANA considerations . . . . . . . . . . . . . . . . . . . . .   9
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .   9
   7.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  11
   8.  Change Log  . . . . . . . . . . . . . . . . . . . . . . . . .  11
   9.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  11
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  12
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  12
     10.2.  Informative References . . . . . . . . . . . . . . . . .  12
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  12

1.  Introduction

   SWID tags have several use-applications including but not limited to:

   o  Software Inventory Management, a part of the Software Asset
      Management [SAM] process, which requires an accurate list of
      discernible deployed software instances.

   o  Vulnerability Assessment, which requires a semantic link between
      standardized vulnerability descriptions and IT-assets [X.1520].

   o  Remote Attestation, which requires a link between golden (well-
      known) measurements and software instances [I-D-birkholz-tuda].

   SWID tags, as defined in ISO-19770-2:2015 [SWID], provide a
   standardized format for a record that identifies and describes a
   specific release of a software product.  Different software products,
   and even different releases of a particular software product, each
   have a different SWID tag record associated with them.  In addition
   to defining the format of these records, ISO-19770-2:2015 defines
   requirements concerning the SWID tag lifecycle.  Specifically, when a
   software product is installed on an endpoint, that product's SWID tag
   is also installed.  Likewise, when the product is uninstalled or
   replaced, the SWID tag is deleted or replaced, as appropriate.  As a
   result, ISO-19770-2:2015 describes a system wherein there is a
   correspondence between the set of installed software products on an

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