Digital ID Document Watermarking Biometric Security

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Solution Overview

Problem

Current digital identification systems lack robust security features to prevent fraud and unauthorized alterations, and they are not efficiently integrated with biometric data for secure authentication.

Innovation Solution

A computer-assisted method for digitizing identification documents by embedding a digital watermark encoding personally identifiable information, combined with biometric data, which is securely stored and verified using luminance and chrominance modulations, ensuring the document's integrity and authenticity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If digital identification documents are issued without robust security features, then the system is simpler and easier to implement, but the system becomes vulnerable to fraud and unauthorized alterations

Engineering Contradiction:

Improvesecurity against fraudVSAvoidsystem complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple security mechanisms into a unified digital identification system: digital watermarks are embedded within the biometric image itself, cryptographic signatures are integrated into the document structure, and verification procedures consolidate multiple checks into a single authentication process. This merging approach enhances security reliability while managing system complexity through integration rather than separate components.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The digital identification document employs a composite structure combining biometric data, digital watermarking layers, cryptographic elements, and metadata into a single integrated document format. This composite approach creates a multi-layered security system where each layer contributes to overall fraud prevention, resolving the contradiction between enhanced security and system complexity.

Inventive Principle:

Principle #40Composite materials

2Reliability

If digital watermarks are embedded in identification documents to encode personally identifiable information, then security and fraud prevention are improved, but the processing and verification time increases

Engineering Contradiction:

Improvedocument integrityVSAvoidverification time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The digital watermarks and cryptographic signatures are embedded and verified during the document issuance process itself, rather than being added later. This preliminary action ensures that security features are already in place when the document is created, reducing the verification time during authentication since the security mechanisms are pre-configured and ready for immediate validation.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent replaces manual verification processes with automated digital verification systems that can quickly validate watermarks and cryptographic signatures through algorithmic processing. This substitution of mechanical/manual verification with automated digital systems significantly reduces verification time while maintaining document integrity, resolving the contradiction between security and time loss.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Measurement precision

If biometric data is integrated with digital identification documents, then authentication accuracy is improved, but the risk of data breach and unauthorized access increases

Engineering Contradiction:

Improveauthentication accuracyVSAvoiddata breach risk

Core Design Contradiction:

Measurement precisionVSObject-affected harmful factors

Solution Approach 1:

The biometric data is nested within the digital identification document structure, which itself is protected by multiple layers of cryptographic encoding and digital watermarking. This nested structure allows the biometric information to be securely contained within the document, reducing the risk of data breaches while maintaining authentication accuracy. The biometric data is not exposed externally but is instead embedded within the protected document framework.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The patent implements preliminary protective measures including cryptographic hashing, digital signatures, and access control mechanisms that are applied to biometric data before it is stored or transmitted. These preliminary anti-actions prevent unauthorized access and data breaches by establishing security barriers in advance, thus protecting the biometric information while maintaining its utility for accurate authentication.

Inventive Principle:

Principle #9Preliminary anti-action

Data Source

PatentUS10320778B2Digital identification document

Publication Date: 2019.06.11 IDEMIA CIVIL IDENTITY NA LLC

AI summary

Some implementations may include a computer-assisted method for digitizing an identification document, the method including: receiving a digital biometric of a subject; applying the received digital biometric to a digital identification document; applying a digital watermark to the digital identification document, the digital watermark encoding personally identifiable information of the subject identified by the digital biometric; and generating the digital identification document with the applied digital watermark, the digital identification document comprising both the digital watermark and the digital biometric.