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Internet Engineering Task Force (IETF) S. Turner
Request for Comments: 5916 IECA
Category: Informational June 2010
ISSN: 2070-1721
Device Owner Attribute
Abstract
This document defines the Device Owner attribute. It indicates the
entity (e.g., company, organization, department, agency) that owns
the device. This attribute may be included in public key
certificates and attribute certificates.
Status of This Memo
This document is not an Internet Standards Track specification; it is
published for informational purposes.
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). Not all documents
approved by the IESG are a candidate for any level of Internet
Standard; see 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/rfc5916.
Copyright Notice
Copyright (c) 2010 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.
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RFC 5916 Device Owner Attribute June 2010
1. Introduction
This document specifies the Device Owner attribute. It indicates the
entity (e.g., company, organization, department, agency) that owns
the device. This attribute is intended to be used in public key
certificates [RFC5280] and attribute certificates [RFC5755].
This attribute may be used in automated authorization decisions. For
example, when two peers are deciding whether to communicate, each
could check that the device owner present in the other device's
certificate is on an "approved" list. This check is performed in
addition to certification path validation [RFC5280]. The mechanism
for managing the "approved" list is beyond the scope of this
document.
NOTE: This document does not provide an equivalent Lightweight
Directory Access Protocol (LDAP) schema specification as this
attribute is targeted at public key certificates [RFC5280] and
attribute certificates [RFC5755]. Definition of an equivalent LDAP
schema is left to a future specification.
1.1. Terminology
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119].
1.2. ASN.1 Syntax Notation
The attribute is defined using ASN.1 [X.680], [X.681], [X.682], and
[X.683].
2. Device Owner
The Device Owner attribute indicates the entity (e.g., company,
organization, department, agency) that owns the device with which
this attribute is associated. Device Owner is an object identifier.
The following object identifier identifies the Device Owner
attribute:
id-deviceOwner OBJECT IDENTIFIER ::= {
joint-iso-ccitt(2) country(16) us(840) organization(1) gov(101)
dod(2) infosec(1) attributes(5) 69
}
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RFC 5916 Device Owner Attribute June 2010
The ASN.1 syntax for the Device Owner attribute is as follows:
at-deviceOwner ATTRIBUTE ::= {
TYPE OBJECT IDENTIFIER
EQUALITY MATCHING RULE objectIdentifierMatch
IDENTIFIED BY id-deviceOwner
}
There MUST only be one value of Device Owner associated with a
device. Distinct owners MUST be represented in separate
certificates.
3. Security Considerations
If this attribute is used as part of an authorization process, the
procedures employed by the entity that assigns each value must ensure
that the correct value is applied. Including this attribute in a
public key certificate or attribute certificate ensures the value for
the device owner is integrity protected.
4. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997.
[RFC5280] Cooper, D., Santesson, S., Farrell, S., Boeyen, S.,
Housley, R., and W. Polk, "Internet X.509 Public Key
Infrastructure Certificate and Certificate Revocation List
(CRL) Profile", RFC 5280, May 2008.
[RFC5755] Farrell, S., Housley, R., and S. Turner, "An Internet
Attribute Certificate Profile for Authorization", RFC
5755, January 2010.
[RFC5912] Schaad, J. and P. Hoffman, "New ASN.1 Modules for the
Public Key Infrastructure Using X.509 (PKIX)", RFC 5912,
June 2010.
[X.501] ITU-T Recommendation X.520 (2002) | ISO/IEC 9594-2:2002,
Information technology - The Directory: Models.
[X.680] ITU-T Recommendation X.680 (2002) | ISO/IEC 8824-1:2002,
Information technology - Abstract Syntax Notation One
(ASN.1): Specification of basic notation.
[X.681] ITU-T Recommendation X.681 (2002) | ISO/IEC 8824-2:2002,
Information Technology - Abstract Syntax Notation One:
Information Object Specification.
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RFC 5916 Device Owner Attribute June 2010
[X.682] ITU-T Recommendation X.682 (2002) | ISO/IEC 8824-3:2002,
Information Technology - Abstract Syntax Notation One:
Constraint Specification.
[X.683] ITU-T Recommendation X.683 (2002) | ISO/IEC 8824-4:2002,
Information Technology - Abstract Syntax Notation One:
Parameterization of ASN.1 Specifications.
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RFC 5916 Device Owner Attribute June 2010
Appendix A. ASN.1 Module
This appendix provides the normative ASN.1 [X.680] definitions for
the structures described in this specification using ASN.1 as defined
in [X.680], [X.681], [X.682], and [X.683].
DeviceOwnerAttribute-2008
{ joint-iso-ccitt(2) country(16) us(840) organization(1) gov(101)
dod(2) infosec(1) module(0) id-deviceOwnerAttribute-2008(34) }
DEFINITIONS IMPLICIT TAGS ::=
BEGIN
-- EXPORTS ALL --
IMPORTS
-- IMPORTS from New PKIX ASN.1 [RFC5912]
ATTRIBUTE
FROM PKIX-CommonTypes-2009
{ iso(1) identified-organization(3) dod(6) internet(1)
security(5) mechanisms(5) pkix(7) id-mod(0)
id-mod-pkixCommon-02(57) }
-- Imports from ITU-T X.501 [X.501]
objectIdentifierMatch
FROM InformationFramework
{ joint-iso-itu-t ds(5) module(1) informationFramework(1) 4 }
;
-- device owner attribute OID and syntax
id-deviceOwner OBJECT IDENTIFIER ::= {
joint-iso-ccitt(2) country(16) us(840) organization(1) gov(101)
dod(2) infosec(1) attributes(5) 69
}
at-deviceOwner ATTRIBUTE ::= {
TYPE OBJECT IDENTIFIER
EQUALITY MATCHING RULE objectIdentifierMatch
IDENTIFIED BY id-deviceOwner
}
END
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RFC 5916 Device Owner Attribute June 2010
Author's Address
Sean Turner
IECA, Inc.
3057 Nutley Street, Suite 106
Fairfax, VA 22031
USA
EMail: turners@ieca.com
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