ISO/IEC 9594-6:2014
(Main)Information technology — Open Systems Interconnection — The Directory — Part 6: Selected attribute types
Information technology — Open Systems Interconnection — The Directory — Part 6: Selected attribute types
ISO/IEC 9594 has been produced to facilitate the interconnection of information processing systems to provide directory services. A set of such systems, together with the directory information that they hold, can be viewed as an integrated whole, called the Directory. The information held by the Directory, collectively known as the Directory Information Base (DIB), is typically used to facilitate communication between, with or about objects such as application entities, people, terminals and distribution lists. ISO/IEC 9594-6:2014 defines a number of attribute types and matching rules which may be found useful across a range of applications of the Directory. One particular use for many of the attributes defined is in the formation of names, particularly for the classes of objects defined in ISO/IEC 9594-7. Other attributes types, called notification attributes, provide diagnostic information. ISO/IEC 9594-6:2014 defines context types which supply characteristics associated with attribute values. It also includes definitions for lightweight directory access protocol (LDAP) syntaxes relevant for attribute types and matching rules.
Technologies de l'information — Interconnexion de systèmes ouverts (OSI) — L'annuaire — Partie 6: Types d'attributs sélectionnés
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Standards Content (Sample)
INTERNATIONAL ISO/IEC
STANDARD 9594-6
Seventh edition
2014-03-01
Information technology — Open Systems
Interconnection — The Directory —
Part 6:
Selected attribute types
Technologies de l'information — Interconnexion de systèmes ouverts
(OSI) — L'annuaire
Partie 6: Types d'attributs sélectionnés
Reference number
ISO/IEC 9594-6:2014(E)
©
ISO/IEC 2014
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ISO/IEC 9594-6:2014(E)
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ii © ISO/IEC 2014 – All rights reserved
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ISO/IEC 9594-6:2014(E)
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are members of
ISO or IEC participate in the development of International Standards through technical committees
established by the respective organization to deal with particular fields of technical activity. ISO and IEC
technical committees collaborate in fields of mutual interest. Other international organizations, governmental
and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information
technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of the joint technical committee is to prepare International Standards. Draft International
Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as
an International Standard requires approval by at least 75 % of the national bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights.
ISO/IEC 9594-6 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 6, Telecommunications and information exchange between systems, in collaboration with
ITU-T. The identical text is published as Rec. ITU-T X.520 (10/2012).
This seventh edition cancels and replaces the sixth edition (ISO/IEC 9594-6:2008), which has been
technically revised. It also incorporates the Technical Corrigenda ISO/IEC 9594-6:2008/Cor.1:2011,
ISO/IEC 9594-6:2008/Cor.2:2012 and ISO/IEC 9594-6:2008/Cor.3:2013.
ISO/IEC 9594 consists of the following parts, under the general title Information technology — Open Systems
Interconnection — The Directory:
— Part 1: Overview of concepts, models and services
— Part 2: Models
— Part 3: Abstract service definition
— Part 4: Procedures for distributed operation
— Part 5: Protocol specifications
— Part 6: Selected attribute types
— Part 7: Selected object classes
— Part 8: Public-key and attribute certificate frameworks
— Part 9: Replication
© ISO/IEC 2014 – All rights reserved
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CONTENTS
Page
1 Scope . 1
2 Normative references . 1
2.1 Identical Recommendations | International Standards . 1
2.2 Other references . 2
2.3 ISO/IEC Standards . 3
3 Definitions . 3
4 Abbreviations . 3
5 Conventions . 3
6 Definition of selected attribute types . 5
6.1 System attribute types . 5
6.2 Labelling attribute types . 5
6.3 Geographical attribute types . 8
6.4 Organizational attribute types . 10
6.5 Explanatory attribute types . 11
6.6 Postal addressing attribute types . 13
6.7 Telecommunications addressing attribute types . 14
6.8 Preferences attribute types . 18
6.9 OSI application attribute types . 18
6.10 Relational attribute types . 19
6.11 Domain attribute types . 20
6.12 Hierarchical attribute types . 20
6.13 Attributes for applications using tag-based identification . 21
6.14 Notification attributes . 25
6.15 LDAP defined attribute types . 29
7 String preparation . 30
7.1 Transcode . 30
7.2 Map . 30
7.3 Normalize . 30
7.4 Prohibit . 30
7.5 Check bidi . 31
7.6 Insignificant Character Removal . 31
8 Definition of matching rules . 31
8.1 String matching rules . 31
8.2 Syntax-based matching rules . 34
8.3 Time matching rules . 37
8.4 First component matching rules . 38
8.5 Word matching rules . 39
8.6 Approximate Matching Rules . 42
8.7 Special Matching Rules . 42
8.8 Zonal Match . 42
8.9 uri Match . 45
8.10 LDAP defined matching rules . 46
9 Definition of syntaxes . 47
9.1 Directory syntaxes . 47
9.2 IETF syntaxes . 47
10 Definition of Context Types . 53
10.1 Language Context . 53
10.2 Temporal Context. 53
10.3 Locale Context . 57
10.4 LDAP Attribute Option Context . 57
Annex A – Selected attribute types in ASN.1 . 58
Rec. ITU-T X.520 (10/2012) iii
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Page
Annex B – Summary of attribute types. 86
Annex C – Upper bounds . 87
Annex D – Alphabetical index of attributes, matching rules and contexts . 88
Annex E – Examples for zonal match matching rules . 90
Annex F – Mapping Object Identifiers and Uniform Resource Names into Distinguished Names . 92
F.1 Scope of this annex . 92
F.2 Object identifier resolution . 92
F.3 Uniform Resource Name (URN) resolution . 93
Annex G – Object identifier based Directory names . 96
G.1 Scope of annex . 96
G.2 Transformation of object identifiers into Directory names . 96
G.3 The use of object-identifier-based Directory names . 96
Annex H – Amendments and corrigenda . 98
iv Rec. ITU-T X.520 (10/2012)
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Introduction
This Recommendation | International Standard, together with other Recommendations | International Standards, has
been produced to facilitate the interconnection of information processing systems to provide directory services. A set of
such systems, together with the directory information that they hold, can be viewed as an integrated whole, called the
Directory. The information held by the Directory, collectively known as the Directory Information Base (DIB), is
typically used to facilitate communication between, with or about objects such as application entities, people, terminals,
and distribution lists.
The Directory plays a significant role in Open Systems Interconnection, whose aim is to allow, with a minimum of
technical agreement outside of the interconnection standards themselves, the interconnection of information processing
systems:
– from different manufacturers;
– under different managements;
– of different levels of complexity; and
– of different ages.
This Recommendation | International Standard defines a number of attribute types which may be found useful across a
range of applications of the Directory, as well as a number of standard attribute syntaxes and matching rules. One
particular use for many of the attributes defined herein is in the formation of names, particularly for the classes of
objects defined in Rec. ITU-T X.521 | ISO/IEC 9594-7.
This Recommendation | International Standard provides the foundation frameworks upon which industry profiles can be
defined by other standards groups and industry forums. Many of the features defined as optional in these frameworks
may be mandated for use in certain environments through profiles. This seventh edition technically revises and
enhances the sixth edition of this Recommendation | International Standard.
This seventh edition specifies versions 1 and 2 of the Directory protocols.
The first and second editions specified only version 1. Most of the services and protocols specified in this edition are
designed to function under version 1. However some enhanced services and protocols, e.g., signed errors, will not
function unless all Directory entities involved in the operation have negotiated version 2. Whichever version has been
negotiated, differences between the services and between the protocols defined in the six editions, except for those
specifically assigned to version 2, are accommodated using the rules of extensibility defined in Rec. ITU-T X.519 |
ISO/IEC 9594-5.
Annex A, which is an integral part of this Recommendation | International Standard, provides the ASN.1 notation for
the complete module which defines the attributes, attribute syntaxes and matching rules.
Annex B, which is not an integral part of this Recommendation | International Standard, provides a table of attribute
types, for easy reference.
Annex C, which is not an integral part of this Recommendation | International Standard, provides an example of upper
bounds value constraints. These constraints are not reflected in these Directory Specifications, but are provided as a
reference for those implementations applying these constraints.
Annex D, which is not an integral part of this Recommendation | International Standard, lists alphabetically the
attributes and matching rules defined in this Directory Specification.
Annex E, which is not an integral part of this Recommendation | International Standard, gives examples relevant to the
definition of zonal matching.
Annex F, which is not an integral part of this Recommendation | International Standard, describes how a directory
distinguished name may be based on object identifiers and on Uniform Resource Names (URNs).
Annex G, which is not an integral part of this Recommendation | International Standard, describes an alternative way of
generating directory distinguished based on object identifiers. It contains information retrieved from Rec. ITU-T X.660 |
ISO/IEC 9834-1.
Annex H, which is not an integral part of this Recommendation | International Standard, lists the amendments and
defect reports that have been incorporated to form this edition of this Recommendation | International Standard.
Rec. ITU-T X.520 (10/2012) v
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ISO/IEC 9594-6:2014 (E)
INTERNATIONAL STANDARD
RECOMMENDATION ITU-T
Information technology – Open Systems Interconnection –
The Directory: Selected attribute types
SECTION 1 – GENERAL
1 Scope
This Recommendation | International Standard defines a number of attribute types and matching rules which may be
found useful across a range of applications of the Directory.
Attribute types and matching rules fall into three categories, as described below.
Some attribute types and matching rules are used by a wide variety of applications or are understood and/or used by the
Directory itself.
NOTE 1 – It is recommended that an attribute type or matching rule defined in this Recommendation | International Standard be
used, in preference to the generation of a new one, whenever it is appropriate for the application.
NOTE 2 – The attribute and context types definitions by this Recommendation | International Standard have some associated
semantics. Such specifications should not be used in situations where these semantics do not apply.
Some attribute types and matching rules are internationally standardized, but are application-specific. These are defined
in the standards associated with the application concerned.
Any administrative authority can define its own attribute types and matching rules for any purpose. These are not
internationally standardized, and are available to others beyond the administrative authority which created them only
through bilateral agreement.
2 Normative references
The following Recommendations and International Standards contain provisions which, through reference in this text,
constitute provisions of this Recommendation | International Standard. At the time of publication, the editions indicated
were valid. All Recommendations and Standards are subject to revision, and parties to agreements based on this
Recommendation | International Standard are encouraged to investigate the possibility of applying the most recent
edition of the Recommendations and Standards listed below. Members of IEC and ISO maintain registers of currently
valid International Standards. The Telecommunication Standardization Bureau of the ITU maintains a list of currently
valid ITU-T Recommendations.
2.1 Identical Recommendations | International Standards
– Recommendation ITU-T X.200 (1994) | ISO/IEC 7498-1:1994, Information technology – Open Systems
Interconnection – Basic Reference Model: The basic model.
– Recommendation ITU-T X.500 (2012) | ISO/IEC 9594-1:2014, Information technology – Open Systems
Interconnection – The Directory: Overview of concepts, models and services.
– Recommendation ITU-T X.501 (2012) | ISO/IEC 9594-2:2014, Information technology – Open Systems
Interconnection – The Directory: Models.
– Recommendation ITU-T X.509 (2012) | ISO/IEC 9594-8:2014, Information technology – Open Systems
Interconnection – The Directory: Public-key and attribute certificate frameworks.
– Recommendation ITU-T X.511 (2012) | ISO/IEC 9594-3:2014, Information technology – Open Systems
Interconnection – The Directory: Abstract service definition.
– Recommendation ITU-T X.518 (2012) | ISO/IEC 9594-4:2014, Information technology – Open Systems
Interconnection – The Directory: Procedures for distributed operation.
– Recommendation ITU-T X.519 (2012) | ISO/IEC 9594-5:2014, Information technology – Open Systems
Interconnection – The Directory: Protocol specifications.
– Recommendation ITU-T X.521 (2012) | ISO/IEC 9594-7:2014, Information technology – Open Systems
Interconnection – The Directory: Selected object classes.
Rec. ITU-T X.520 (10/2012) 1
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ISO/IEC 9594-6:2014 (E)
– Recommendation ITU-T X.525 (2012) | ISO/IEC 9594-9:2014, Information technology – Open Systems
Interconnection – The Directory: Replication.
– Recommendation ITU-T X.660 (2008) | ISO/IEC 9834-1:2008, Information technology – Open Systems
Interconnection – Procedures for the operation of OSI Registration Authorities: General procedures and
top arcs of the International Object Identifier tree.
– Recommendation ITU-T X.667 (2008) | ISO/IEC 9834-8:2008, Information technology – Open Systems
Interconnection – Procedures for the operation of OSI Registration Authorities: Generation and
registration of Universally Unique Identifiers (UUIDs) and their use as ASN.1 object identifier
components.
– Recommendation ITU-T X.668 (2008) | ISO/IEC 9834-9:2008, Information technology – Open Systems
Interconnection – Procedures for the operation of OSI Registration Authorities: Registration of object
identifier arcs for applications and services using tag-based identification.
– Recommendation ITU-T X.680 (2008) | ISO/IEC 8824-1:2008, Information technology – Abstract Syntax
Notation One (ASN.1): Specification of basic notation.
– Recommendation ITU-T X.681 (2008) | ISO/IEC 8824-2:2008, Information technology – Abstract Syntax
Notation One (ASN.1): Information object specification.
– Recommendation ITU-T X.682 (2008) | ISO/IEC 8824-3:2008, Information technology – Abstract Syntax
Notation One (ASN.1): Constraint specification.
– Recommendation ITU-T X.683 (2008) | ISO/IEC 8824-4:2008, Information technology – Abstract Syntax
Notation One (ASN.1): Parameterization of ASN.1 specifications.
2.2 Other references
– Recommendation ITU-T E.123 (2001), Notation for national and international telephone numbers, e-mail
addresses and web addresses.
– Recommendation ITU-T E.164 (2005), The international public telecommunication numbering plan.
– Recommendation ITU-T F.1 (1998), Operational provisions for the international public telegram service.
– Recommendation CCITT F.31 (1988), Telegram retransmission system.
– Recommendation CCITT F.401 (1992), Message handling services: Naming and addressing for public
message handling services.
– Recommendation ITU-T T.30 (2005), Procedures for document facsimile transmission in the general
switched telephone network.
– Recommendation ITU-T T.51 (1992), Latin based coded character sets for telematic services.
– Recommendation ITU-T T.62 (1993), Control procedures for teletex and Group 4 facsimile services.
– Recommendation ITU-T X.121 (2000), International numbering plan for public data networks.
– Recommendation ITU-T Y.2213 (2008), NGN service requirements and capabilities for network aspects
of applications and services using tag-based identification.
– ISO 3166-1:2006, Codes for the representation of names of countries and their subdivisions – Part 1:
Country codes.
– ISO 3166-3:1999, Codes for the representation of names of countries and their subdivisions – Part 3:
Code for formerly used names of countries.
– ISO 639-2:1998, Codes for the representation of names of languages – Part 2: Alpha-3 code.
– ISO/IEC/IEEE 9945:2009, Information technology – Portable Operating System Interface (POSIX) –
Base Specifications, Issue 7.
– ISO/IEC 15897:2001, Information technology – User interfaces – Procedures for the registration of
cultural elements.
– IETF RFC 3406 (2002), Uniform Resource Names (URN) Namespace Definition Mechanisms.
– IETF RFC 3454 (2003), Preparation of Internationalized Strings ("stringprep").
– IETF RFC 3641 (2003), Generic String Encoding Rules (GSER) for ASN.1 Types.
– IETF RFC 3642 (2003), Common Elements of Generic String Encoding Rules (GSER) Encodings.
– IETF RFC 3672 (2003), Subentries in the Lightweight Directory Access Protocol (LDAP).
– IETF RFC 3986 (2005), Uniform Resource Identifier (URI): Generic Syntax.
2 Rec. ITU-T X.520 (10/2012)
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ISO/IEC 9594-6:2014 (E)
– IETF RFC 4510 (2006), Lightweight Directory Access Protocol (LDAP): Technical Specification Road
Map.
– IETF RFC 4512 (2006), Lightweight Directory Access Protocol (LDAP): Directory Information Models.
– IETF RFC 4514 (2006); Lightweight Directory Access Protocol (LDAP): String Representation of
Distinguished Names.
– IETF RFC 4517 (2006), Lightweight Directory Access Protocol (LDAP): Syntaxes and Matching Rules.
– IETF RFC 4519 (2006), Lightweight Directory Access Protocol (LDAP): Schema for User Applications.
– IETF RFC 4520 (2006), Internet Assigned Numbers Authority (IANA) Considerations for the Lightweight
Directory Access Protocol (LDAP).
– IETF RFC 4792 (2007), Encoding Instructions for the Generic String Encoding Rules (GSER).
– The Unicode Consortium. The Unicode Standard, Version 4.0.0, defined by: The Unicode Standard,
Version 4.0 (Reading, MA, Addison-Wesley, 2003. ISBN 0-321-18578-1).
– Unicode Standard Annex #15: Unicode Normalization Forms, by Mark Davis and Martin Dürst. An
integral part of The Unicode Standard, Version 4.0.
– National Imagery and Mapping Agency (NIMA): TR 8350.2, DoD Word Geodetic System 1984.
2.3 ISO/IEC Standards
– ISO/IEC 10646:2012, Information technology – Universal Coded Character Set (UCS).
3 Definitions
For the purposes of this Recommendation | International Standard, the following definitions apply:
The following terms are defined in Rec. ITU-T X.501 | ISO/IEC 9594-2:
a) attribute type;
b) context;
c) matching rule;
d) object class .
4 Abbreviations
For the purposes of this Recommendation | International Standard, the following abbreviations apply:
AFI Application Family Identifier
EPC Electronic Product Code
GSER Generic String Encoding Rules
LDAP Lightweight Directory Access Protocol
RFID Radio Frequency Identification
RDN Relative Distinguished Name
UII Unique Item Identifier
URL Uniform Resource Locator
URN Uniform Resource Name
UTM Universal Transverse Mercator
UUID Universally Unique Identifier
5 Conventions
The term "Directory Specification" (as in "this Directory Specification") shall be taken to mean Rec. ITU-T X.520 |
ISO/IEC 9594-6. The term "Directory Specifications" shall be taken to mean the X.500-series Recommendations and all
parts of ISO/IEC 9594.
Rec. ITU-T X.520 (10/2012) 3
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ISO/IEC 9594-6:2014 (E)
This Directory Specification uses the term first edition systems to refer to systems conforming to the first edition of the
Directory Specifications, i.e., the 1988 edition of the series of CCITT X.500 Recommendations and the
ISO/IEC 9594:1990 edition.
This Directory Specification uses the term second edition systems to refer to systems conforming to the second edition of
the Directory Specifications, i.e., the 1993 edition of the series of ITU-T X.500 Recommendations and the
ISO/IEC 9594:1995 edition.
This Directory Specification uses the term third edition systems to refer to systems conforming to the third edition of the
Directory Specifications, i.e., the 1997 edition of the series of ITU-T X.500 Recommendations and the
ISO/IEC 9594:1998 edition.
This Directory Specification uses the term fourth edition systems to refer to systems conforming to the fourth edition of
the Directory Specifications, i.e., the 2001 editions of Recs ITU-T X.500, X.501, X.511, X.518, X.519, X.520, X.521,
X.525, and X.530, the 2000 edition of Rec. ITU-T X.509, and parts 1-10 of the ISO/IEC 9594:2001 edition.
This Directory Specification uses the term fifth edition systems to refer to systems conforming to the fifth edition of the
Directory Specifications, i.e., the 2005 edition of the series of ITU-T X.500 Recommendations and the
ISO/IEC 9594:2005 edition.
This Directory Specification uses the term sixth edition systems to refer to systems conforming to the sixth edition of the
Directory Specifications, i.e., the 2008 edition of the series of ITU-T X.500 Recommendations and the
ISO/IEC 9594:2008 edition.
This Directory Specification uses the term seventh edition systems to refer to systems conforming to the seventh edition
of these Directory Specifications, i.e., the 2012 edition of the series of ITU-T X.500 Recommendations an
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