Fingerprint Data Embedding for Tamper-Proof Document Authentication
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for tamper-proofing documents, such as travel documents and IDs, are easily replicable by forgers due to their simplicity and reliance on non-standardized technologies, making them insecure.
Innovation Solution
Embed data in biometric identifiers, specifically fingerprints, by controlling various features at Level One, Two, and Three levels, including shape, orientation, minutiae, and fine details, using control parameters based on variable data streams, and integrating these identifiers with document images to enhance security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If simple methods like bar codes or digital watermarking are used for tamper-proofing, then ease of manufacture is improved, but security reliability deteriorates because they are easily replicable by forgers
Solution Approach 1:
The patent changes the parameter space by moving from simple 2D barcodes to 3D surface-relief micro-optical elements. This dimensional transition creates complex optical properties that are difficult to replicate with standard desktop software, while maintaining manufacturability through specialized printing processes.
Solution Approach 2:
The invention introduces a third dimension by creating surface-relief structures that manipulate light optically. These micro-optical elements encode data in their three-dimensional geometry, making them significantly harder to forge than flat 2D barcodes while remaining manufacturable through conventional printing techniques.
2Ease of manufacture
If proprietary non-standardized technologies are used, then ease of manufacture is improved, but measurement and evaluation difficulty increases, failing the principle that obscurity is not security
Solution Approach 1:
The patent creates a universal standardized system for micro-optical element encoding that can be implemented across different document types and verification platforms. The standardized encoding schemes and optical properties allow independent evaluation and verification without relying on proprietary black-box systems.
3Reliability
If custom made authentication tools are distributed to all verification locations, then authentication reliability is improved, but device complexity and distribution cost increase
Solution Approach 1:
The micro-optical elements are designed to be self-verified through their inherent optical properties. Verification devices simply need to detect the presence and characteristics of these elements using basic optical sensors, eliminating the need for complex distributed authentication tools or centralized verification systems.
Data Source
Figure 1
Figure 2A~2B
Figure 3A~3B
AI summary
The present disclosure is directed towards systems, methods and devices for tamper proofing documents by embedding data in a biometric identifier. The biometric identifier may be a real or synthetic fingerprint. In one non-limiting exemplary embodiment, a method for embedding data in a biometric identifier includes determining data to embed in the biometric identifier, determining at least one control parameter, and generating at least one biometric identifier feature. The method further includes including the at least one generated biometric identifier feature in the biometric identifier such that the determined data is embedded in the biometric feature. The determined data is based on a variable data stream. The control parameter controls the generation of at least one biometric identifier feature. The control parameter is based on the determined data. The generated biometric identifier feature is based on the determined control parameter.