Voice Biometric Authentication for Secure Electronic Documents
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Solution Overview
Problem
Existing electronic signature technologies face challenges in ensuring high security, reliability, and user convenience, particularly in environments where traditional authenticity indicators are not applicable, and there is a need for a solution that can handle high security requirements without complex security protocols.
Innovation Solution
A process that utilizes unique biometric voice data to create an authentication certificate, allowing for secure document verification by generating and comparing voice profiles, which can be integrated into digital documents and verified using telecommunications devices, enhancing security and user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional electronic signature methods (PGP, encryption) are used, then message authenticity can be protected, but security requirements are not sufficiently resolved because keys are assigned to groups rather than individuals and individualized keys cannot be kept reliably secret
Solution Approach 1:
The patent replaces traditional mechanical/key-based authentication systems with voice biometric authentication. Instead of managing cryptographic keys manually, the system uses automated voice analysis to verify user identity, eliminating the need for users to remember or protect complex keys while maintaining high security standards.
Solution Approach 2:
The voice authentication system enables users to authenticate themselves automatically without requiring manual key management or intervention from security administrators. The biometric verification process is self-contained and can be performed independently by each user, resolving the key management burden while maintaining individualized security.
2Reliability
If signature cards are used for electronic signatures, then high security standard can be warranted, but substantial losses of security arise due to lack of security consciousness when handling the signature card and disruptions occur when card is misplaced or lost
Solution Approach 1:
The patent replaces physical signature cards with voice biometric authentication. This eliminates the need for users to physically handle, carry, or protect signature cards, while maintaining high security through unique biometric verification. The voice-based system is inherently more convenient as it requires no physical media and cannot be misplaced or lost.
Solution Approach 2:
Instead of relying on physical copies of signature cards that can be lost or stolen, the system creates and stores digital voice profile templates that serve as immutable authentication references. These digital copies are more secure and reliable than physical card copies, eliminating security losses from card misplacement.
3Adaptability or versatility
If voice verification is used for authentication, then user identity can be verified without further technical resources from every telecommunications terminal device, but requires adequate differentiated initial registration and processing of unique biometric data
Solution Approach 1:
The patent performs voice profile analysis and template creation during an initial registration phase, storing the processed biometric data for future authentication. This preliminary processing eliminates the need for complex real-time analysis during actual authentication, reducing device complexity while maintaining versatility across different terminal devices.
Solution Approach 2:
The system introduces a voice profile template as an intermediary between the user's voice characteristics and the authentication decision. This template serves as a pre-processed reference that simplifies the authentication process, allowing verification without requiring complex computational resources at the terminal device while maintaining broad compatibility.
4Reliability
If biometric data is used for authentication, then user identity is verified rather than simply user knowledge or possession, but requires processing of unique biometric data and comparison of voice profiles
Solution Approach 1:
The system performs complex voice profile analysis and template creation during an initial registration phase, storing the processed biometric data for future authentication. This preliminary processing reduces the computational burden during actual authentication to simple comparison operations, maintaining high reliability while reducing device complexity requirements.
Solution Approach 2:
The patent applies comprehensive voice profile analysis during initial registration (excessive action) to create detailed biometric templates, then uses only the essential comparison operation during authentication (partial action). This approach ensures high identity verification reliability while keeping the authentication phase simple and lightweight.
Data Source
AI summary
The invention refers to a process and an arrangement for the generation of a signed text and/or image document, in particular a digital document for electronic sending and/or for electronic storage. The invention is characterized by the fact that the name and/or an image and/or any other representation of a person, for example a person code, is attached to the basic document in combination with an authentication certificate, wherein the authentication certificate is generated as the result of a voice analysis of the person performed in relation with generation of the document in terms of timing.