Adaptive Haptic Feedback Timing for Data Interception Protection
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Solution Overview
Problem
Data input on computing devices, such as smartphones and tablets, is vulnerable to interception by third parties due to haptic feedback mechanisms that can be detected and interpreted by malicious devices, compromising the security of sensitive information entry.
Innovation Solution
Adjusting the timing, duration, and generation of haptic feedback to reduce the correlation between the feedback and user input data, using mechanisms like synchronization with a linear time scale, introducing delays, and generating additional haptic occurrences to obfuscate the user input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If haptic feedback is provided in response to each input gesture, then user feedback and confirmation are improved, but data security deteriorates due to detectability by third parties
Solution Approach 1:
The haptic feedback mechanism dynamically adjusts its characteristics (timing, duration, intensity) based on synchronization with a linear time scale rather than direct correlation with input gestures. This dynamic behavior disrupts the predictable pattern that malicious devices use to intercept and interpret data, while still providing user feedback.
Solution Approach 2:
The patent changes the temporal parameters of haptic feedback by introducing variable delays and synchronization offsets. Instead of providing immediate feedback correlated with each gesture, the system introduces unpredictable time variations that prevent malicious devices from accurately timing and interpreting the feedback patterns.
2Measurement precision
If haptic feedback timing is synchronized with input gestures, then user perception accuracy is improved, but susceptibility to interception increases
Solution Approach 1:
The linear time scale acts as an intermediary between input gestures and haptic feedback generation. Instead of direct synchronization, the feedback is mediated through this independent time reference, which introduces unpredictable temporal relationships that maintain user perception while preventing interception.
3Object-affected harmful factors
If additional haptic feedback occurrences are generated, then obfuscation of input data is improved, but device complexity increases
Solution Approach 1:
The system generates additional haptic feedback occurrences in a periodic manner based on the linear time scale synchronization. These periodic additional feedback events create confusion for interception attempts by introducing extra signals that do not correspond to actual input gestures, while the periodic nature keeps the implementation relatively simple.
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
Reduces the susceptibility of haptic feedback signals to classification and interpretation, protecting user input data from interception and enhancing operational security.
Implementation Method 1
the haptic feedback includes a vibration of the device
Data Source
AI summary
A computer implemented method to protect data input to a user input device from detection, the device including an artificial haptic feedback mechanism arranged to generate an occurrence of haptic feedback for sensing by a user of the device in response to each input gesture on the device by the user, wherein at least a subset of each occurrence of haptic feedback is adjusted with respect to a previous occurrence of haptic feedback by one or more of: a timing of the haptic feedback with respect to a time of occurrence of a corresponding input gesture; an adjustment to a duration of haptic feedback relative to a duration of the previous occurrence of haptic feedback; and a generation of one or more addition occurrences of haptic feedback.