Information technology — Common Biometric Exchange Formats Framework — Part 1: Data element specification

This document defines: — structures and data elements for biometric information records (BIRs); — the concept of a domain of use to establish the applicability of a standard or specification that conforms with CBEFF requirements; — the concept of a CBEFF patron format, which is a published BIR format specification that complies with CBEFF requirements, specified by a CBEFF patron; — the abstract values and associated semantics of a set of CBEFF data elements to be used in the definition of CBEFF patron formats; This document describes methods to define CBEFF patron formats using CBEFF data elements to specify the structure of BIRs, including the standard biometric headers (SBHs). This document also provides the means for identification of BDB formats in a BIR, but the standardization and interoperability of BDB formats is not within the scope of this document. This document provides a security block (SB) as a means for BIRs to carry information about the encryption of a BDB in the BIR and about integrity mechanisms applied to the BIR itself. The structure and content of SBs is not within the scope of this document. Further, the specification of encryption mechanisms for BDBs and of integrity mechanisms for BIRs is not within the scope of this document. This document specifies transformations from one CBEFF patron format to a different CBEFF patron format. The following are not within the scope of this document: — the encoding of the abstract values of CBEFF data elements to be used in the specification of CBEFF patron formats; and — protection of the privacy of individuals from inappropriate dissemination and use of biometric data.

Technologies de l'information — Cadre de formats d'échange biométriques communs — Partie 1: Spécification des éléments de données

General Information

Status
Published
Publication Date
13-Sep-2020
Current Stage
6060 - International Standard published
Start Date
14-Sep-2020
Due Date
07-Feb-2023
Completion Date
14-Sep-2020
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INTERNATIONAL ISO/IEC
STANDARD 19785-1
Third edition
2020-09
Information technology — Common
Biometric Exchange Formats
Framework —
Part 1:
Data element specification
Technologies de l'information — Cadre de formats d'échange
biométriques communs —
Partie 1: Spécification des éléments de données
Reference number
ISO/IEC 19785-1:2020(E)
©
ISO/IEC 2020

---------------------- Page: 1 ----------------------
ISO/IEC 19785-1:2020(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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO/IEC 2020 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/IEC 19785-1:2020(E)

Contents Page
Foreword .vi
Introduction .vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Abbreviated terms . 8
5 Conformance . 8
6 Biometric identifiers . 9
7 Biometric information record (BIR) structures . 9
7.1 General . 9
7.2 Defining a CBEFF patron format using the simple CBEFF BIR structure .11
7.2.1 General.11
7.2.2 Standard biometric header (SBH) .12
7.2.3 The biometric data block (BDB) .12
7.2.4 Security block (SB) .13
7.3 Defining a CBEFF patron format using the complex CBEFF BIR structure .13
7.4 Defining a CBEFF patron format using the multiple CBEFF BIR structure .15
7.5 Applying the self-identifying concept to a CBEFF patron format structure .16
8 Performing BIR transformations.16
8.1 General .16
8.2 Transformations of enumerated abstract values .16
8.3 Transformations of non-enumerated data element values .17
9 CBEFF data elements .17
9.1 General .17
9.2 CBEFF_BDB_format_owner .17
9.2.1 Attributes .17
9.2.2 Transformation requirements .18
9.3 CBEFF_BDB_format_type.18
9.3.1 General.18
9.3.2 Attributes .18
9.3.3 Transformation requirements .18
9.4 CBEFF_BDB_encryption_options .18
9.4.1 Attributes .18
9.4.2 Requirements on patron format specifications.19
9.4.3 Transformation requirements .19
9.5 CBEFF_BIR_integrity_options .19
9.5.1 Attributes .19
9.5.2 Requirements on patron format specifications.19
9.5.3 Transformation requirements .19
9.6 CBEFF_BIR_self_id_owner .20
9.6.1 Attributes .20
9.6.2 Transformation requirements .20
9.7 CBEFF_BIR_self_id_type .20
9.7.1 Attributes .20
9.7.2 Transformation requirements .20
9.8 CBEFF_subheader_count .20
9.9 CBEFF_BDB_biometric_type .21
9.9.1 Attributes .21
9.9.2 Transformation requirements .21
9.10 CBEFF_BDB_biometric_subtype .22
9.10.1 Attributes .22
© ISO/IEC 2020 – All rights reserved iii

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ISO/IEC 19785-1:2020(E)

9.10.2 Transformation requirements .24
9.11 CBEFF_BDB_capture_device_type_owner .24
9.11.1 Attributes .24
9.11.2 Transformation requirements .25
9.12 CBEFF_BDB_capture_device_type .25
9.12.1 General.25
9.12.2 Attributes .25
9.12.3 Transformation requirements .25
9.13 CBEFF_BDB_challenge_response .25
9.13.1 Attributes .25
9.14 CBEFF_BDB_comparison_algorithm_owner .26
9.14.1 Attributes .26
9.14.2 Transformation requirements .26
9.15 CBEFF_BDB_comparison_algorithm_type .26
9.15.1 Attributes .26
9.15.2 Transformation requirements .26
9.16 CBEFF_BDB_compression_algorithm_owner .27
9.16.1 Attributes .27
9.16.2 Transformation requirements .27
9.17 CBEFF_BDB_compression_algorithm_type .27
9.17.1 General.27
9.17.2 Attributes .27
9.17.3 Transformation requirements .27
9.18 CBEFF_BDB_creation_date .27
9.18.1 Attributes .27
9.18.2 Transformation requirements .28
9.19 CBEFF_BDB_feature_extraction_algorithm_owner .28
9.19.1 Attributes .28
9.19.2 Transformation requirements .28
9.20 CBEFF_BDB_feature_extraction_algorithm_type .29
9.20.1 General.29
9.20.2 Attributes .29
9.20.3 Transformation requirements .29
9.21 CBEFF_BDB_index .29
9.21.1 Attributes .29
9.21.2 Transformation requirements .29
9.22 CBEFF_BDB_PAD_mechanism_vendor .30
9.22.1 Attributes .30
9.22.2 Transformation requirements .30
9.23 CBEFF_BDB_PAD_mechanism .30
9.23.1 Attributes .30
9.23.2 Transformation requirements .30
9.24 CBEFF_BDB_processed_level .30
9.24.1 Attributes .30
9.24.2 Transformation requirements .31
9.25 CBEFF_BDB_product_owner .31
9.25.1 Attributes .31
9.25.2 Transformation requirements .31
9.26 CBEFF_BDB_product_type .31
9.26.1 Attributes .31
9.26.2 Transformation requirements .32
9.27 CBEFF_BDB_purpose .32
9.27.1 Attributes .32
9.27.2 Transformation requirements .32
9.28 CBEFF_BDB_quality .32
9.28.1 Attributes .32
9.28.2 Transformation requirements .33
9.29 CBEFF_BDB_quality_algorithm_owner .33
iv © ISO/IEC 2020 – All rights reserved

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ISO/IEC 19785-1:2020(E)

9.29.1 Attributes .33
9.29.2 Transformation requirements .33
9.30 CBEFF_BDB_quality_algorithm_type .33
9.30.1 General.33
9.30.2 Attributes .33
9.30.3 Transformation requirements .34
9.31 CBEFF_BDB_validity_period .34
9.31.1 Attributes .34
9.31.2 Transformation requirements .34
9.32 CBEFF_BIR_creation_date .34
9.32.1 Attributes .34
9.32.2 Transformation requirements .35
9.33 CBEFF_BIR_creator .35
9.33.1 Attributes .35
9.33.2 Transformation requirements .35
9.34 CBEFF_BIR_index .35
9.34.1 Attributes .35
9.34.2 Transformation requirements .35
9.35 CBEFF_BIR_patron_format_owner .36
9.35.1 Attributes .36
9.35.2 Transformation requirements .36
9.36 CBEFF_BIR_patron_format_type .36
9.36.1 Attributes .36
9.36.2 Transformation requirements .36
9.37 CBEFF_BIR_payload .36
9.37.1 Attributes .36
9.37.2 Transformation requirements .37
9.38 CBEFF_BIR_pointer .37
9.38.1 Attributes .37
9.38.2 Transformation requirements .37
9.39 CBEFF_BIR_validity_period .37
9.39.1 Attributes .37
9.39.2 Transformation requirements .37
9.40 CBEFF_patron_header_version .38
9.40.1 Attributes .38
9.40.2 Transformation requirements .38
9.41 CBEFF_SB_format_owner .38
9.41.1 Attributes .38
9.41.2 Transformation requirements .38
9.42 CBEFF_SB_format_type .39
9.42.1 Attributes .39
9.42.2 Transformation requirements .39
9.43 CBEFF_ version .39
9.43.1 Attributes .39
9.43.2 Transformation requirements .40
Annex A (normative) Format and content of a patron format conformance statement .41
Annex B (informative) Conventions for CBEFF names .43
Bibliography .44
© ISO/IEC 2020 – All rights reserved v

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ISO/IEC 19785-1:2020(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 part
...

FINAL
INTERNATIONAL ISO/IEC
DRAFT
STANDARD FDIS
19785-1
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 1:
2020-08-12
Data element specification
Technologies de l'information — Cadre de formats d'échange
biométriques communs —
Partie 1: Spécification des éléments de données
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 19785-1:2020(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 19785-1:2020(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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO/IEC 2020 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/IEC FDIS 19785-1:2020(E)

Contents Page
Foreword .vi
Introduction .vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Abbreviated terms . 8
5 Conformance . 8
6 Biometric identifiers . 9
7 Biometric information record (BIR) structures . 9
7.1 General . 9
7.2 Defining a CBEFF patron format using the simple CBEFF BIR structure .11
7.2.1 Standard biometric header (SBH) .12
7.2.2 The biometric data block (BDB) .12
7.2.3 Security block (SB) .13
7.3 Defining a CBEFF patron format using the complex CBEFF BIR structure .13
7.4 Defining a CBEFF patron format using the multiple CBEFF BIR structure .15
7.5 Applying the self-identifying concept to a CBEFF patron format structure .16
8 Performing BIR transformations.16
8.1 General .16
8.2 Transformations of enumerated abstract values .16
8.3 Transformations of non-enumerated data element values .17
9 CBEFF data elements .17
9.1 General .17
9.2 CBEFF_BDB_format_owner .17
9.2.1 Attributes .17
9.2.2 Transformation requirements .17
9.3 CBEFF_BDB_format_type.18
9.3.1 General.18
9.3.2 Attributes .18
9.3.3 Transformation requirements .18
9.4 CBEFF_BDB_encryption_options .18
9.4.1 Attributes .18
9.4.2 Requirements on patron format specifications.18
9.4.3 Transformation requirements .19
9.5 CBEFF_BIR_integrity_options .19
9.5.1 Attributes .19
9.5.2 Requirements on patron format specifications.19
9.5.3 Transformation requirements .19
9.6 CBEFF_BIR_self_id_owner .19
9.6.1 Attributes .19
9.6.2 Transformation requirements .20
9.7 CBEFF_BIR_self_id_type .20
9.7.1 Attributes .20
9.7.2 Transformation requirements .20
9.8 CBEFF_subheader_count .20
9.9 CBEFF_BDB_biometric_type .20
9.9.1 Attributes .20
9.9.2 Transformation requirements .21
9.10 CBEFF_BDB_biometric_subtype .21
9.10.1 Attributes .21
9.10.2 Transformation requirements .24
© ISO/IEC 2020 – All rights reserved iii

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ISO/IEC FDIS 19785-1:2020(E)

9.11 CBEFF_BDB_capture_device_type_owner .24
9.11.1 Attributes .24
9.11.2 Transformation requirements .25
9.12 CBEFF_BDB_capture_device_type .25
9.12.1 General.25
9.12.2 Attributes .25
9.12.3 Transformation requirements .25
9.13 CBEFF_BDB_challenge_response .25
9.13.1 Attributes .25
9.14 CBEFF_BDB_comparison_algorithm_owner .26
9.14.1 Attributes .26
9.14.2 Transformation requirements .26
9.15 CBEFF_BDB_comparison_algorithm_type .26
9.15.1 Attributes .26
9.15.2 Transformation requirements .26
9.16 CBEFF_BDB_compression_algorithm_owner .27
9.16.1 Attributes .27
9.16.2 Transformation requirements .27
9.17 CBEFF_BDB_compression_algorithm_type .27
9.17.1 General.27
9.17.2 Attributes .27
9.17.3 Transformation requirements .27
9.18 CBEFF_BDB_creation_date .27
9.18.1 Attributes .27
9.18.2 Transformation requirements .28
9.19 CBEFF_BDB_feature_extraction_algorithm_owner .28
9.19.1 Attributes .28
9.19.2 Transformation requirements .28
9.20 CBEFF_BDB_feature_extraction_algorithm_type .29
9.20.1 General.29
9.20.2 Attributes .29
9.20.3 Transformation requirements .29
9.21 CBEFF_BDB_index .29
9.21.1 Attributes .29
9.21.2 Transformation requirements .29
9.22 CBEFF_BDB_PAD_mechanism_vendor .30
9.22.1 Attributes .30
9.22.2 Transformation requirements .30
9.23 CBEFF_BDB_PAD_mechanism .30
9.23.1 Attributes .30
9.23.2 Transformation requirements .30
9.24 CBEFF_BDB_processed_level .30
9.24.1 Attributes .30
9.24.2 Transformation requirements .31
9.25 CBEFF_BDB_product_owner .31
9.25.1 Attributes .31
9.25.2 Transformation requirements .31
9.26 CBEFF_BDB_product_type .31
9.26.1 Attributes .31
9.26.2 Transformation requirements .32
9.27 CBEFF_BDB_purpose .32
9.27.1 Attributes .32
9.27.2 Transformation requirements .32
9.28 CBEFF_BDB_quality .32
9.28.1 Attributes .32
9.28.2 Transformation requirements .33
9.29 CBEFF_BDB_quality_algorithm_owner .33
9.29.1 Attributes .33
iv © ISO/IEC 2020 – All rights reserved

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ISO/IEC FDIS 19785-1:2020(E)

9.29.2 Transformation requirements .33
9.30 CBEFF_BDB_quality_algorithm_type .33
9.30.1 General.33
9.30.2 Attributes .33
9.30.3 Transformation requirements .34
9.31 CBEFF_BDB_validity_period .34
9.31.1 Attributes .34
9.31.2 Transformation requirements .34
9.32 CBEFF_BIR_creation_date .34
9.32.1 Attributes .34
9.32.2 Transformation requirements .35
9.33 CBEFF_BIR_creator .35
9.33.1 Attributes .35
9.33.2 Transformation requirements .35
9.34 CBEFF_BIR_index .35
9.34.1 Attributes .35
9.34.2 Transformation requirements .35
9.35 CBEFF_BIR_patron_format_owner .36
9.35.1 Attributes .36
9.35.2 Transformation requirements .36
9.36 CBEFF_BIR_patron_format_type .36
9.36.1 Attributes .36
9.36.2 Transformation requirements .36
9.37 CBEFF_BIR_payload .36
9.37.1 Attributes .36
9.37.2 Transformation requirements .37
9.38 CBEFF_BIR_pointer .37
9.38.1 Attributes .37
9.38.2 Transformation requirements .37
9.39 CBEFF_BIR_validity_period .37
9.39.1 Attributes .37
9.39.2 Transformation requirements .37
9.40 CBEFF_patron_header_version .38
9.40.1 Attributes .38
9.40.2 Transformation requirements .38
9.41 CBEFF_SB_format_owner .38
9.41.1 Attributes .38
9.41.2 Transformation requirements .38
9.42 CBEFF_SB_format_type .39
9.42.1 Attributes .39
9.42.2 Transformation requirements .39
9.43 CBEFF_ version .39
9.43.1 Attributes .39
9.43.2 Transformation requirements .40
Annex A (normative) Format and content of a patron format conformance statement .41
Annex B (informative) Conventions for CBEFF names .43
Bibliography .44
© ISO/IEC 2020 – All rights reserved v

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