Information technology -- Common Biometric Exchange Formats Framework

This document describes the identification scheme used by the Biometric Registration Authority (BRA) in preparing, maintaining and publishing registers of identifiers for biometric organizations and biometric objects, and provides a description of BRA responsibilities and services. Procedural requirements and recommendations are not within the scope of this document and are maintained separately on the ISO/IEC JTCÂ 1/SCÂ 37 website.

Technologies de l'information -- Cadre de formats d'échange biométriques communs

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Publication Date
13-Dec-2021
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5060 - Close of voting Proof returned by Secretariat
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13-Aug-2020
Completion Date
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ISO/IEC FDIS 19785-2 - Information technology -- Common Biometric Exchange Formats Framework
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FINAL
INTERNATIONAL ISO/IEC
DRAFT
STANDARD FDIS
19785-2
ISO/IEC JTC 1/SC 37
Information technology — Common
Secretariat: ANSI
Biometric Exchange Formats
Voting begins on:
2020-06-17 Framework —
Voting terminates on:
Part 2:
2020-08-12
Biometric registration authority
Technologies de l'information — Cadre de formats d'échange
biométriques communs —
Partie 2: L'autorité d'enregistrement biométriquee
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/IEC FDIS 19785-2:2020(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. ISO/IEC 2020
---------------------- Page: 1 ----------------------
ISO/IEC FDIS 19785-2:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2020

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
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Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO/IEC 2020 – All rights reserved
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ISO/IEC FDIS 19785-2:2020(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Abbreviated terms .............................................................................................................................................................................................. 2

5 General ............................................................................................................................................................................................................................ 2

5.1 Identifiers for biometric organizations and biometric objects ..................................................................... 2

5.1.1 Biometric organization identifiers ................................................................................................................... 2

5.1.2 Biometric object identifiers .................................................................................................................................... 2

5.2 ASN.1 object identifier components ..................................................................................................................................... 2

5.3 Biometric object type identifiers ............................................................................................................................................. 5

6 Biometric Registration Authority ....................................................................................................................................................... 5

6.1 Identification ............................................................................................................................................................................................ 5

6.2 Services and Responsibilities ..................................................................................................................................................... 5

Bibliography ................................................................................................................................................................................................................................ 6

© ISO/IEC 2020 – All rights reserved iii
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ISO/IEC FDIS 19785-2:2020(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.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for

the different types of document should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

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. Details of any patent rights identified during the development of the document will be in the

Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents) or the IEC

list of patent declarations received (see http:// patents .iec .ch).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to

the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see

www .iso .org/ iso/ foreword .html.

This document was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,

Subcommittee SC 37, Biometrics.

This second edition cancels and replaces the first edition (ISO/IEC 19785-2:2006), which has been

technically revised. It also incorporates the Amendment ISO/IEC 19785-2:2006/Amd1: 2010 and the

Technical Corrigendum ISO/IEC 19785-2:2006/Cor: 2013.
The main changes compared to the previous edition are as follows:

— Biometric Registration Authority procedural requirements and recommendations were removed

from the standard and published on the ISO/IEC JTC 1/SC 37 website to comply with JTC 1

Supplement, JF.3.3.

— The registration identifier scheme was revised to correct issues with a valid representation of the

ASN.1 object identifier component.

— Support was added for additional biometric object types, including presentation attack detection

(PAD).

— Other minor technical and editorial changes were made to correct technical requirements and to

improve readability and organization.
A list of all parts in the ISO/IEC 19785 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO/IEC 2020 – All rights reserved
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ISO/IEC FDIS 19785-2:2020(E)
Introduction

Biometric-based authentication systems and applications are expected to support multiple biometric

devices, multiple biometric data formats and multiple algorithms for feature extraction, comparison,

quality determination, presentation attack detection (PAD), and compression, possibly each from

a different vendor. The Common Biometric Exchange Formats Framework (CBEFF) promotes

interoperability of biometric-based application programmes and systems developed by different

vendors by facilitating biometric data interchange. This document supports such exchanges by

providing unambiguous identification of biometric organizations, formats and products, with separate

registration of identifiers for components of products that are biometric products, including specialized

products like capture devices, feature extraction algorithms, comparison algorithms, quality

algorithms, PAD mechanisms, or compression algorithms.

The Biometric Registration Authority (BRA) is the entity that facilitates globally unambiguous

identification of biometric objects and biometric organizations by maintaining and publishing a registry

of unique ASN.1 object identifiers. This document describes the universal identification scheme that

allows assignment of unique and unambiguous identifiers, and avoids changes in identifiers over time.

A general description of the BRA responsibilities and registration services is also included.

The publication of the registers promotes compatibility in interchange of biometric data and improves

interoperability of biometric systems. Registration provides an identifier, but registration should not

be regarded as a standardization procedure. Nevertheless, as a matter apart from registration, the

registered object may, but need not, be the subject of an international, national, or other standard.

© ISO/IEC 2020 – All rights reserved v
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FINAL DRAFT INTERNATIONAL STANDARD ISO/IEC FDIS 19785-2:2020(E)
Information technology — Common Biometric Exchange
Formats Framework —
Part 2:
Biometric registration authority
1 Scope

This document describes the identification scheme used by the Biometric Registration Authority

(BRA) in preparing, maintaining, and publishing registers of identifiers for biometric organizations

and biometric objects, and provides a description of BRA responsibilities and services. Procedural

requirements and recommendations are not within the scope of this document and are maintained

separately on the ISO/IEC JTC 1/SC 37 website .
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO/IEC 2382-37, Information technology — Vocabulary — Part 37: Biometrics

ISO/IEC 19785-1, Information technology — Common Biometric Exchange Formats Framework — Part 1:

Data element specification
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO/IEC 2382-37 and

ISO/IEC 19785-1 and the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
3.1
applicant

organization requesting registration as a CBEFF biometric organization, or a registered CBEFF

biometric organization requesting registration of a biometric object
3.2
open standard

standard that is subject to vetting procedures that ensure that it is technically correct and accurate and

has wide-spread approval
3.3
register

record of assigned identifiers for CBEFF biometric organizations and biometric objects

1) ISO/IEC JTC 1/SC 37 website: https:// committee.iso .or g/ home/ jtc1sc37. BRA procedural information:

https:// committee.iso .or g/ files/ live/ sites/jt c1sc37/files/ ABOUT/ Procedural _Information_BRA .pdf

© ISO/IEC 2020 – All rights reserved 1
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ISO/IEC FDIS 1
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