Biometric Authentication via Dual-Device Sensing
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Solution Overview
Problem
Existing secured access systems in IoT technologies are vulnerable to attacks such as man-in-the-middle attacks, necessitating a robust authentication method that enhances security.
Innovation Solution
A system comprising a portable device and a wireless device that senses and compares biometric information to authenticate users, utilizing a controller and radio transceiver to receive, compare, and authenticate based on biometric matching and location verification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional secured access systems are used in IoT technologies, then ease of operation is maintained, but security reliability deteriorates due to vulnerability to attacks such as man-in-the-middle attacks
Solution Approach 1:
The authentication system is segmented into multiple independent components: a portable device that senses biometric information, a wireless device that receives and processes the data, and a controller that performs comparison and authentication. This segmentation allows each component to specialize in specific security functions, improving overall reliability while distributing complexity across separate modules rather than concentrating it in a single vulnerable system
Solution Approach 2:
The patent adds a spatial dimension to authentication by requiring the portable device to be physically close to the wireless device for biometric sensing to occur. This proximity requirement creates a geometric constraint that prevents remote attacks and man-in-the-middle scenarios, enhancing security reliability by eliminating the attack vector entirely rather than just adding cryptographic layers
2Reliability
If biometric information is sensed and compared across multiple devices, then security reliability is improved, but device complexity increases due to additional sensors and processing requirements
Solution Approach 1:
The wireless device serves multiple functions: it acts as a receiver for biometric data from the portable device, as a sensor for directly sensing user biometrics, and as a controller for comparing and authenticating the data. This multi-functionality reduces the need for separate dedicated components, thereby improving security through multiple verification points while minimizing the increase in overall system complexity
Solution Approach 2:
The portable device acts as an intermediary that bridges the user's biometric data and the wireless device's authentication system. It senses biometric information locally and transmits it wirelessly, allowing the system to verify user identity without requiring the user to directly interact with complex authentication hardware, thus improving reliability while keeping the user interface simple
Data Source
AI summary
A system includes a portable device and a wireless device. The portable device senses biometric information of a user. The wireless device includes a controller and a radio transceiver. The controller is configured to receive, via the radio transceiver, the biometric information sensed by the portable device and sense, via the wireless device, biometric information of the user corresponding to the biometric information sensed by the portable device. The controller is further configured to compare the biometric information sensed by the portable device to the biometric information sensed by the wireless device to obtain a first comparison result and authenticate the user in response to the first comparison result being less than a first threshold.