Bone Conduction Authentication Signal Replication for Incapacitated Users
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Solution Overview
Problem
Bone conduction authentication technologies face challenges in authenticating a user when the original user is incapacitated, as contact with the incapacitated individual alters the bone conduction signal, leading to authentication failure.
Innovation Solution
A device compares unique body signatures of two users and generates an authentication signal that mimics the signal passing through the incapacitated user, allowing another user to authenticate on their behalf by modifying the signal to replicate the incapacitated user's unique body signature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bone conduction authentication is used to authenticate the original user, then authentication security is improved, but authentication fails when the original user is incapacitated
Solution Approach 1:
The system creates a synthetic bone conduction signal that replicates the unique body signature characteristics of the incapacitated user. The signal generator produces a synthetic signal with modified characteristics that mimic how the incapacitated user's body would naturally modulate the authentication signal, allowing another user to authenticate on their behalf without compromising security
Solution Approach 2:
The system introduces an intermediary signal processing layer that translates the physical contact between the authentication device and the incapacitated user into a programmable signal modification. This intermediary layer allows the system to compensate for the absence of the original user by injecting synthetic body signature characteristics into the authentication signal
2Measurement precision
If the authentication device contacts the incapacitated user to verify identity, then authentication accuracy is improved, but the signal is altered leading to authentication failure
Solution Approach 1:
The system dynamically modifies signal parameters (frequency, amplitude, phase) based on the unique body signature characteristics of the incapacitated user. By calculating the expected signal modulation and applying compensating parameter changes, the system maintains signal integrity even when physical contact alters the natural bone conduction signal
Solution Approach 2:
The system uses feedback from the authentication device's detection of the incapacitated user's body characteristics to generate a customized synthetic signal. The detected body signature characteristics serve as feedback that guides the signal generator in creating an authentication signal that accounts for the altered physical conditions
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables successful authentication in emergency scenarios where the incapacitated user cannot interact with the authentication device, ensuring secure access without altering the original signal.
Implementation Method 1
Bone conduction is a developing communication technology. One application of bone conduction technologies is authentication. The unique composition of an individual results in unique changes to a signal as the signal passes through the individual.
Data Source
AI summary
Concepts and technologies are disclosed herein for spoofing bone conduction signals. According to one aspect, a device can compare a first unique body signature associated with a first user to a second unique body signature associated with a second user to determine a first unique effect of a first body of the first user on a signal and a second unique effect of a second body of the second user on the signal. The device can generate an authentication signal based upon the first unique effect and the second unique effect to include signal characteristics that, after propagating through the first body of the first user, are representative of the second unique body signature. The device can transmit the authentication signal through the first body of the first user to an authentication device that authenticates the first user on behalf of the second user.