ISO/IEC 19785-3:2025

International
Standard
ISO/IEC 19785-3
Fourth edition
Information technology — Common
2025-07
Biometric Exchange Formats
Framework —
Part 3:
Patron format specifications
Technologies de l'information — Cadre de formats d'échange
biométriques communs —
Partie 3: Spécifications de format d'usager
Reference number
© ISO/IEC 2025
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© ISO/IEC 2025 – All rights reserved
ii
Contents Page
Foreword .viii
Introduction .ix
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviated terms. 2
5 Conformance . 2
6 ASN.1 type definitions for CBEFF data elements and abstract values . 3
6.1 General .3
6.2 CBEFF data elements type definitions module .3
7 Patron format specification: Simple bit-oriented patron format (deprecated) . 8
7.1 Patron .8
7.2 Patron format owner.8
7.3 Patron format name .8
7.4 Patron format type .8
7.5 ASN.1 OID for this patron format .8
7.6 Domain of use .8
7.7 Version identifier .9
7.8 CBEFF version .9
7.9 General .9
7.10 ASN.1 Specification .9
8 Patron format specification: Simple byte-oriented patron format .10
8.1 Patron .10
8.2 Patron format owner.10
8.3 Patron format name .10
8.4 Patron format type .10
8.5 ASN.1 OID for this patron format .10
8.6 Domain of use .10
8.7 Version identifier .10
8.8 CBEFF version .10
8.9 General .10
8.10 Patron format specification .11
8.11 ASN.1 Specification .11
9 Patron format specification: Presence byte-oriented patron format .11
9.1 Patron .11
9.2 Patron format owner.11
9.3 Patron format name . 12
9.4 Patron format type . 12
9.5 ASN.1 OID for this patron format . 12
9.6 Domain of use . 12
9.7 Version identifier . 12
9.8 CBEFF version . 12
9.9 General . 12
9.10 Specification . 12
9.11 ASN.1 Specification .14
10 Patron format specification: Presence bit-oriented patron format .15
10.1 Patron . 15
10.2 Patron format owner. 15
10.3 Patron format name . 15
10.4 Patron format type . 15
10.5 ASN.1 OID for this patron format . 15

© ISO/IEC 2025 – All rights reserved
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10.6 Domain of use .16
10.7 Version identifier .16
10.8 CBEFF version .16
10.9 General .16
10.10 ASN.1 Specification .16
11 Patron format specification: TLV-encoded patron format, for use with smartcards or
other tokens (with implicit tag allocation authority) - deprecated . 17
11.1 Patron .17
11.2 Patron format owner.18
11.3 Patron format name .18
11.4 Patron format type .18
11.5 ASN.1 OID for this patron format .18
11.6 Domain of Use .18
11.7 Version identifier .18
11.8 CBEFF version .18
11.9 General .18
11.10 ASN.1 specification .21
11.11 Tabular representations . . 22
11.11.1 The Biometric Information Template used for on-card biometric comparison . 22
11.11.2 The Biometric Information Template used for off-card biometric comparison .24
11.12 The Biometric Information Template Group Data Object . 25
11.13 Abstract values and encodings for biometric type and subtype . 25
11.14 Patron format conformance statement . 26
11.14.1 Identifying information . 26
11.14.2 CBEFF-defined data elements and abstract values . 26
11.14.3 Patron-defined data elements and abstract values .27
12 Patron format specification: Complex patron format .27
12.1 Patron .27
12.2 Patron format owner.27
12.3 Patron format name .27
12.4 Patron format type .27
12.5 ASN.1 OID for this patron format .27
12.6 Domain of use .27
12.7 Version identifier . 28
12.8 CBEFF version . 28
12.9 General . 28
12.10 Specification . 28
12.11 Illustrative examples .32
12.12 ASN.1 definition (provided for illustrative purposes only) . 35
13 Patron format specification: XML-full patron format (with additional data elements) .36
13.1 Patron . 36
13.2 Patron format owner. 36
13.3 Patron format name . 36
13.4 Patron format type . 36
13.5 ASN.1 OID for this patron format . 36
13.6 Domain of use .37
13.7 Version identifier .37
13.8 CBEFF version .37
13.9 General .37
13.10 Specification .37
13.11 Element . . 38
13.11.1 Syntax . . 38
13.11.2 Semantics . 39
13.12 Element . 39
13.12.1 Syntax . . 39
13.12.2 Semantics . 40
13.13 Element . 40

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13.13.1 Syntax . 40
13.13.2 Semantics . 40
13.14 Element .41
13.14.1 Syntax . .41
13.14.2 Semantics .41
13.15 Element .42
13.15.1 Syntax . .42
13.15.2 Semantics .43
13.16 Element of BDBInfoType .47
13.16.1 Syntax . .47
13.16.2 Semantics .47
13.17 Element . 48
13.17.1 Syntax . . 48
13.17.2 Semantics . 48
13.18 Element . 48
13.18.1 Syntax . . 48
13.18.2 Semantics . 48
13.19 Element . 48
13.19.1 Syntax . . 48
13.19.2 Semantics . 49
13.20 Element . 49
13.20.1 Syntax . . 49
13.20.2 Semantics . 49
13.21 Element . 49
13.21.1 Syntax . . 49
13.21.2 Semantics . 49
13.22 Element . . 50
13.22.1 Syntax . . 50
13.22.2 Semantics . 50
13.23 Element . 50
13.23.1 Syntax . 50
13.23.2 Semantics . 50
13.24 Element . 50
13.24.1 Syntax . . 50
13.24.2 Semantics .51
13.25 Element of SBInfoType .51
13.25.1 Syntax . .51
13.25.2 Semantics .51
13.26 Representation of Integers .51
13.27 Representation of Octet Strings .51
13.28 Representation of Date and Time of the Day .52
13.29 Representation of Universally Unique Identifiers .52
13.30 XML schema of the patron format . 53
13.31 An example of a simple BIR in XML encoding (conforming with the ASN.1 schema, the
XSD schema, and the normative textual description) . 56
13.32 An example of a complex BIR in XML encoding (conforming with the ASN.1 schema, the
XSD schema, and the normative textual description) .57
14 Patron format specification: full-complex patron format .60
14.1 Patron . 60
14.2 Patron format owner. 60
14.3 Patron format name . 60
14.4 Patron format type . 60
14.5 ASN.1 OID for this patron format . 60
14.6 Domain of use . 60
14.7 Version identifier . 60
14.8 CBEFF version .61
14.9 General .61
14.10 Specification .61

© ISO/IEC 2025 – All rights reserved
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14.11 Illustrative examples .67
14.12 ASN.1 definition (provided for illustrative purposes only) .70
15 Patron format specification: Biometric application programming interface (BioAPI 2.0) .71
16 Patron format specification: Self-identifying Tag-oriented Simple BIR .71
16.1 Patron .71
16.2 Patron format owner.71
16.3 Patron format name .71
16.4 Patron format type .71
16.5 ASN.1 OID for this patron format .71
16.6 Domain of use . 72
16.7 Version identifier . 72
16.8 CBEFF version . 72
16.9 General . 72
16.10 Specification . 73
16.11 Illustrative examples . 77
16.12 ASN.1 definition . 77
17 Patron format specification: Self-identifying, Tag-oriented Complex BIR .81
17.1 Patron . 81
17.2 Patron format owner. 81
17.3 Patron format name . 81
17.4 Patron format type . 81
17.5 ASN.1 OID for this patron format . 82
17.6 Domain of use . 82
17.7 Version identifier . 82
17.8 CBEFF version . 82
17.9 General . 82
17.10 Specification . 83
17.11 Illustrative example . 84
17.12 ASN.1 definition . 84
18 Patron format specification: PAD patron format (Linking BDB with PAD Sample) .86
18.1 Patron . 86
18.2 Patron format owner. 87
18.3 Patron format name . 87
18.4 Patron format type . 87
18.5 ASN.1 OID for this patron format . 87
18.6 Domain of use . 87
18.7 Version identifier . 87
18.8 CBEFF version . 87
18.9 General . 87
18.10 Specification . 88
18.11 Illustrative example . 89
18.12 ASN.1 definition . 90
19 Patron format specification: TLV-encoded patron format for ICCs and other tokens
(with explicit tag allocation authority) .92
19.1 Patron . 92
19.2 Patron format owner. 93
19.3 Patron format name . 93
19.4 Patron format type . 93
19.5 ASN.1 OID for this patron format . 93
19.6 Domain of Use .
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