Wearable Multifactor Authentication via Biometric Comparison
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Solution Overview
Problem
Conventional access control systems rely on single-factor authentication methods, which can be insecure and inconvenient, especially in environments where multiple access points and authentication methods are required.
Innovation Solution
Implementing a wearable electronic device that combines biometric, knowledge-based, and token-based authentication methods, using sensors to measure and compare biometric characteristics in real-time with previously stored data, and optionally presenting challenge questions for additional verification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If single-factor authentication methods are used, then device complexity is reduced and ease of operation is improved, but security and reliability are worsened
Solution Approach 1:
The patent combines multiple authentication factors (biometric, knowledge-based, and token-based) into a single integrated wearable device. The biometric sensor, challenge question interface, and access token are merged into one device that the user wears continuously, eliminating the need for separate authentication systems while providing multi-factor security.
Solution Approach 2:
The wearable device performs multiple authentication functions simultaneously: it captures biometric data (heart rate, gait), presents challenge questions, and provides token-based access. This multi-functional device replaces traditional separate authentication mechanisms, achieving high security without proportionally increasing system complexity.
2Reliability
If biometric authentication is implemented, then reliability and security are improved, but device complexity and cost are worsened
Solution Approach 1:
The patent uses relatively inexpensive biometric sensors (such as optical heart rate sensors and accelerometers) that are already mass-produced for consumer wearables. Rather than using expensive specialized biometric hardware, the system leverages affordable, commercially available components that can be manufactured at scale, reducing overall system cost while maintaining authentication reliability.
3Reliability
If multiple access points and authentication methods are required, then security is improved, but ease of operation and convenience are worsened
Solution Approach 1:
The system performs biometric baseline measurement and challenge question setup in advance during device initialization. This preliminary action stores the user's biometric data and authentication parameters, so that during actual access attempts, the system only needs to compare current readings against stored baselines, significantly speeding up the authentication process while maintaining security.
Solution Approach 2:
The wearable device automatically performs authentication without requiring active user participation beyond natural movement and presence. The biometric sensors continuously monitor the user's physiological state and gait patterns, automatically verifying identity without requiring the user to manually input data or actively engage with the authentication process, thereby maintaining convenience while implementing multi-factor security.
Data Source
AI summary
A method to implement multifactor authentication of a user may include performing biometric authentication of a person that bears the wearable electronic device and at least one of: performing knowledge-based authentication of the person or presenting an access control token of the wearable electronic device to an access reader that performs token-based authentication of the person. Performing biometric authentication may include receiving a first biometric signal generated by a wearable electronic device and determining a person-specific biometric characteristic of the person therefrom; comparing the person-specific biometric characteristic to a user-specific biometric characteristic of the user determined from a second biometric signal generated when the wearable electronic device was born by the user; and based on the comparing, determining a confidence level that the person is the user to determine a positive or negative authentication of the person as the user.