AS ISO/IEC 39794.1:2023 identically adopts and modifies ISO/IEC 39794 1:2019, which specifies rules and guidelines for defining extensible biometric data interchange formats that are extensible without invalidating previous data structures
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 Conformance
6 General biometric system
6.1 Conceptual representation of general biometric system
6.2 Conceptual components of a general biometric system
6.2.1 Data capture subsystem
6.2.2 Transmission subsystem
6.2.3 Signal processing subsystem
6.2.4 Data storage subsystem
6.2.5 Comparison subsystem
6.2.6 Decision subsystem
6.2.7 Administration subsystem
6.2.8 Interface
6.3 Functions of general biometric system
6.3.1 Enrolment
6.3.2 Verification
6.3.3 Identification
7 Rules and guidelines
7.1 Capture date and time
7.2 Degree of processing
7.2.1 Overview
7.2.2 Captured biometric sample
7.2.3 Intermediate biometric sample
7.2.3.1 Biometric image data
7.2.3.2 Biometric behavioural data
7.2.3.3 Other intermediate biometric samples
7.2.4 Biometric feature set
7.3 Relationship to CBEFF
7.3.1 Overview
7.3.2 BDB format owner and format identifiers
7.4 Types of extensible biometric data interchange formats
7.5 Criteria for standardizing biometric data interchange formats
7.6 Extensibility
7.7 Naming conventions for biometric data interchange formats
7.8 Treatment of multi-biometric data
7.9 Capture conditions
7.10 Capture device requirements
7.11 Quality requirements for biometric data
7.12 Biometric feature extraction algorithms
7.13 Biometric feature comparison algorithms
7.14 Identifiers for resources related to the ISO/IEC 39794 series
8 Abstract data elements
8.1 General
8.2 Version block
8.3 Representation block
8.3.1 Capture device block
8.3.1.1 Model identifier block
8.3.1.2 Capture device technology identifier
8.3.1.3 Certification identifier block
8.3.2 Capture date/time block
8.3.3 Quality blocks
8.3.3.1 Quality block
8.3.3.1.1 Quality algorithm identifier block
8.3.3.1.2 Quality score or error
8.3.3.1.2.1 Quality score
8.3.3.1.2.2 Quality scoring error
8.3.4 PAD data block
8.3.4.1 PAD decision
8.3.4.1.1 PAD decision code
8.3.4.1.2 PAD decision extension block
8.3.4.2 PAD score blocks
8.3.4.2.1 PAD score block
8.3.4.2.1.1 PAD mechanism identifier block
8.3.4.2.1.2 PAD score or error
8.3.4.3 PAD extended data blocks
8.3.4.3.1 PAD extended data block
8.3.4.3.1.1 PAD extended data type identifier block
8.3.4.3.1.2 PAD extended data
8.3.4.4 PAD capture context
8.3.4.4.1 PAD capture context code
8.3.4.4.2 PAD capture context extension block
8.3.4.5 PAD supervision level
8.3.4.5.1 PAD supervision level code
8.3.4.5.2 PAD supervision level extension block
8.3.4.6 PAD risk level
8.3.4.7 PAD criteria category
8.3.4.7.1 PAD criteria category code
8.3.4.7.2 PAD criteria category extension block
8.3.4.8 PAD parameter
8.3.4.9 PAD challenges
8.3.4.9.1 PAD challenge
8.3.4.10 PAD capture date/time block
8.3.5 Extended data blocks
8.3.5.1 Extended data block
8.3.5.1.1 Extended data type identifier block
8.3.5.1.2 Extended data
9 Tagged binary encoding scheme
9.1 General
9.2 Naming conventions for ASN.1 modules in the ISO/IEC 39794 series
9.2.1 ASN.1 module names
9.2.2 Object identifier for ASN.1 modules
9.2.3 Type and component names
9.3 Prototypes
9.4 Abstract syntax of common data types for the ISO/IEC 39794 series, in ASN.1
9.5 Abstract syntax of general BDB, in ASN.1
9.6 Definition extension in ASN.1
9.6.1 General
9.6.2 Addition of components to sequence types
9.6.3 Addition of components to choice types
9.6.4 Extension of an enumerated type with a new value
10 XML encoding scheme
10.1 General
10.2 Structure of XML schema definitions
10.3 Naming conventions for XML schema definitions in the ISO/IEC 39794 series
10.3.1 XML namespace names
10.3.2 Type and element names
10.4 Prototypes
10.5 XML schema definition of common data types for the ISO/IEC 39794 series
10.6 Definition extension in XML
10.6.1 General
10.6.2 Extending XML simple types
10.6.3 Extending XML sequence types
10.6.4 Extending XML choice types
10.6.5 Extending XML enumerations
Annex A
A.1 Abstract syntax of common data types for the ISO/IEC 39794 series in ASN.1
A.2 XML schema definition of common data types for the ISO/IEC 39794 series
Annex B
Annex C
C.1 Conformance testing framework
C.1.1 Conformance testing types
C.1.2 Conformance testing levels
C.1.2.1 Hierarchy of conformance tests
C.1.2.2 Level 1 — Data format conformance
C.1.2.3 Level 2 — Internal consistency checking
C.1.2.4 Level 3 — Content checking
C.2 Implementation conformance statement
C.2.1 Necessity of clear description of capabilities
C.2.2 Claimed conformance and declared conformance
C.2.3 Requirements and options of the data format specification
