Document Biometric Authentication Layering
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Solution Overview
Problem
Current documents, such as identification and payment documents, lack robust multi-factor authentication and secure data protection mechanisms, particularly in ensuring user authorization and data access security.
Innovation Solution
A document with layered construction, incorporating a semiconductor evaluation unit for biometric data capture and processing, including a match-on-card method, combined with bistable or emissive displays and optical security features, to enable secure authentication and data access based on biometric confidence values and cryptographic protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple capture units for different biometric data are integrated into the document, then authentication reliability is improved, but device complexity increases
Solution Approach 1:
The document is divided into multiple functional layers, with capture units for different biometric data types (fingerprint, iris, facial recognition) integrated into separate layers. Each layer can be independently manufactured and then laminated together, reducing overall manufacturing complexity while enabling multi-factor authentication
Solution Approach 2:
Multiple capture units for different biometric modalities are merged into a single document structure. The evaluation unit combines processing of fingerprint data, iris data, and facial recognition data within one integrated system, enabling comprehensive authentication without requiring multiple separate devices
2Reliability
If match-on-card method with multiple biometric data types is implemented, then user authorization security is improved, but processing time increases
Solution Approach 1:
Reference biometric data is pre-stored in secure memory areas within the document during document issuance. During authentication, the capture units immediately compare captured biometric data against pre-stored reference data using match-on-card algorithms, eliminating the need for real-time remote verification and significantly reducing processing time
Solution Approach 2:
The evaluation unit processes multiple biometric data types (fingerprint, iris, facial recognition) simultaneously through parallel cryptographic comparison algorithms. This replaces sequential verification processes with concurrent multi-factor authentication, reducing total processing time while maintaining high security standards
3Reliability
If biometric data and reference data are stored in the document, then data access security is improved, but manufacturing complexity increases
Solution Approach 1:
Secure memory areas for storing biometric reference data are nested within the document structure at the chip or layer level. The memory is integrated into existing document layers through lamination or embedding, allowing secure data storage without requiring complete document redesign or complex assembly processes
Solution Approach 2:
The patent implements different security parameter levels for data storage, with cryptographic protection applied selectively to different memory areas. This allows standard manufacturing processes to be used for non-sensitive areas while applying enhanced security measures only where needed, balancing manufacturing ease with data protection requirements
Data Source
AI summary
The invention relates to a document having a document body (102) that is formed by a plurality of document layers (104, 106, 108; 126, 128, 130, 104, 106, 108, 132) that are arranged one above the other. A first (106) of the documents layers contains an evaluation unit (114), a second (104) of the document layers contains a first detection unit (110) for detecting first biometric data, a third (108) of the document layers contains a second detection unit (122) for detecting second biometric data, and the evaluation unit is at least connected to the first and second detection unit in order to receive at least the first and second biometric data from the detection units. The evaluation unit for evaluating the first and second biometric data delivered by the first and second detection unit is designed to activate a function (116) of the document depending on a result of the evaluation.