Network Working Group Sean Turner, IECA
Internet Draft October 3, 2008
Intended Status: Informational Track
Expires: April 3, 2009
Device Owner Attribute
draft-turner-deviceowner-attribute-00.txt
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Copyright Notice
Copyright (C) The IETF Trust (2008).
Abstract
This document defines the deviceOwner attribute. This attribute may
be carried in a public key certificate in the Subject Directory
Attributes extension, in an attribute certificate in the attribute
field, in a directory as an attribute, or in protocols that support
attributes.
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1. Introduction
This document specifies the Device Owner attribute. This attribute
may be included in public key certificates [RFC5280], attribute
certificates [RFC3281], directories [X.500]/[RFC4512], or locations
that support attributes. This attribute may be used in authorization
decisions.
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 attributes are defined using ASN.1 [X.680].
2. Device Owner
The Device Owner attribute indicates the country or organization that
owns the Device with which this attribute is associated. Device
Owner is a choice of ISO 3166 [ISO3166-1] and [ISO3166-2] country
codes or an object identifier that represents a group of nations, an
organization, or any entity other than a nation. One of the choices
MUST be present.
The following object identifier identifies the Device Owner
attribute:
id-aa-KP-deviceOwner OBJECT IDENTIFIER ::= {
joint-iso-ccitt(2) country(16) us(840) organization(1) gov(101)
dod(2) infosec(1) attributes(5) 69
}
The ASN.1 syntax for the Device Owner attribute is as follows:
deviceOwner ATTRIBUTE ::= {
WITH SYNTAX DeviceOwner
SINGLE VALUE TRUE
IDENTIFIED BY id-deviceOwner
}
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DeviceOwner ::= CHOICE {
alpha2Country [0] PrintableString ( SIZE (2) ),
-- ISO 3166-1 2 Letter Codes (aka digram)
alpha3Country [1] PrintableString ( SIZE (3) ),
-- ISO 3166-1 3 Letter Codes (aka trigram)
alpha4Country [2] PrintableString ( SIZE (4) ),
-- ISO 3166-2 4 Letter Codes (ISO 3166-1 digram and a hyphen
-- followed by one alpha or numeric code).
alpha5Country [3] PrintableString ( SIZE (5) ),
-- ISO 3166-2 5 Letter Codes (ISO 3166-1 digram and a hyphen
-- followed by two alpha or numeric code).
alpha6Country [4] PrintableString ( SIZE (6) ),
-- ISO 3166-2 6 Letter Codes (ISO 3166-1 digram and a hyphen
-- followed by three alpha or numeric code).
numericCountry INTEGER ( SIZE (3) ),
-- ISO 3166-1 3 Digit Codes
group OBJECT IDENTIFIER
}
There must only be one value of Device Owner associated with a
device.
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. Further, once applied to the
object it must be bound to the object; this binding is normally
performed by digitally signing over the object and the attribute to
ensure data integrity.
4. IANA Considerations
None: All identifiers are already registered. Please remove this
section prior to publication as an RFC.
5. References
5.1. Normative References
[ISO3166-1] ISO 3166-1: Codes for the Representation of Names of
Countries and Their Subdivisions - Part 1: Country Codes,
2006.
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[ISO3166-2] ISO 3166-2: Codes for the Representation of Names of
Countries and Their Subdivisions - Part 2: Country
Subdivision Code, 2007.
[RFC3281] Farrell, S., and R. Housley, "An Internet Attribute
Certificate Profile for Authorization", RFC 3281, April
2002.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997.
[X.680] ITU-T Recommendation X.680: Information Technology -
Abstract Syntax Notation One, 1997.
5.2. Informative References
[RFC4512] Sermersheim, J., "Lightweight Directory Access Protocol
(LDAP): Directory Information Models", RFC 4512, June
2006.
[RFC5280] Cooper, D., et. al., "Internet X.509 Public Key
Infrastructure Certificate and Certification Revocation
List (CRL) Profile", RFC 5280, May 2008.
[X.500] ITU-T Recommendation X.500: Information Technology - Open
Systems Interconnection - The Directory, 1993.
Appendix A. ASN.1 Module
This appendix provides the normative ASN.1 [X.680] definition for the
structure described in this specification.
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 IMPLICT TAGS ::=
BEGIN
-- EXPORTS ALL --
-- IMPORTS NOTHING --
-- device owner attribute OID and syntax
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id-aa-KP-deviceOwner OBJECT IDENTIFIER ::= {
joint-iso-ccitt(2) country(16) us(840) organization(1) gov(101)
dod(2) infosec(1) attributes(5) 69
}
deviceOwner ATTRIBUTE ::= {
WITH SYNTAX DeviceOwner
SINGLE VALUE TRUE
IDENTIFIED BY id-deviceOwner
}
DeviceOwner ::= CHOICE {
Alpha2Country [0] PrintableString ( SIZE (2) ),
-- ISO 3166-1 2 Letter Codes (aka digram)
Alpha3Country [1] PrintableString ( SIZE (3) ),
-- ISO 3166-1 3 Letter Codes (aka trigram)
Alpha4Country [2] PrintableString ( SIZE (4) ),
-- ISO 3166-2 4 Letter Codes (ISO 3166-1 digram and a hyphen
-- followed by one alpha or numeric code).
Alpha5Country [3] PrintableString ( SIZE (5) ),
-- ISO 3166-2 5 Letter Codes (ISO 3166-1 digram and a hyphen
-- followed by two alpha or numeric code).
Alpha6Country [4] PrintableString ( SIZE (6) ),
-- ISO 3166-2 6 Letter Codes (ISO 3166-1 digram and a hyphen
-- followed by three alpha or numeric code).
NumericCountry INTEGER ( SIZE (3) ),
-- ISO 3166-1 3 Digit Codes
group OBJECT IDENTIFIER }
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ATTRIBUTE ::= CLASS {
&derivation ATTRIBUTE OPTIONAL,
&Type OPTIONAL,
-- either &Type or &derivation required
&equality-match MATCHING-RULE OPTIONAL,
&ordering-match MATCHING-RULE OPTIONAL,
&substrings-match MATCHING-RULE OPTIONAL,
&single-valued BOOLEAN DEFAULT FALSE,
&collective BOOLEAN DEFAULT FALSE,
-- operational extensions
&no-user-modification BOOLEAN DEFAULT FALSE,
&usage AttributeUsage DEFAULT userApplications,
&id OBJECT IDENTIFIER UNIQUE }
WITH SYNTAX {
[ SUBTYPE OF &derivation ]
[ WITH SYNTAX &Type ]
[ EQUALITY MATCHING RULE &equality-match ]
[ ORDERING MATCHING RULE &ordering-match ]
[ SUBSTRINGS MATCHING RULE &substrings-match ]
[ SINGLE VALUE &single-valued ]
[ COLLECTIVE &collective ]
[ NO USER MODIFICATION &no-user-modification ]
[ USAGE &usage ]
ID &id }
MATCHING-RULE ::= CLASS {
&AssertionType OPTIONAL,
&id OBJECT IDENTIFIER UNIQUE }
WITH SYNTAX {
[ SYNTAX &AssertionType ]
ID &id }
AttributeType ::= ATTRIBUTE.&id
AttributeValue ::= ATTRIBUTE.&Type
AttributeUsage ::= ENUMERATED {
userApplications (0),
directoryOperation (1),
distributedOperation (2),
dSAOperation (3) }
END
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Author's Addresses
Sean Turner
IECA, Inc.
3057 Nutley Street, Suite 106
Fairfax, VA 22031
USA
EMail: turners@ieca.com
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