Virtual Data Entry Interface for Secure 3D Input
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Solution Overview
Problem
Conventional data entry methods, both physical and virtual, are vulnerable to interception through 'peeping' attacks, where unauthorized individuals can observe and determine entered data, especially for sensitive information like passwords and encryption keys.
Innovation Solution
A system utilizing a virtual data entry interface that is readable only to the user, generated on a head-mounted display with 3D stereo output and sensors to detect user interactions, ensuring the interface is not visible to others and can be dynamically reconfigured to prevent data interception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a virtual data entry interface is used, then data security against peeping is improved, but device complexity increases
Solution Approach 1:
The patent combines the display device and data entry interface into an integrated unit, where the display shows both the virtual interface and captured images. This merging eliminates the need for separate monitoring devices and reduces system complexity while maintaining security.
Solution Approach 2:
The patent introduces an intermediary processing system that captures images from the display, processes them to detect user interactions with the virtual interface, and determines entered data. This intermediary layer security mechanism protects data without requiring complex hardware changes.
2Reliability
If the virtual interface is made readable only to the user, then security against interception is improved, but ease of operation deteriorates
Solution Approach 1:
The system uses self-service by capturing images of the display itself to detect user interactions. The display serves both as the interface presentation medium and as the source of interaction data, eliminating the need for separate sensors or input devices and maintaining ease of operation.
Solution Approach 2:
The patent utilizes visual characteristics of the display, including color and brightness variations, to detect user interactions with the virtual interface. This allows the system to recognize input actions through optical changes without requiring additional hardware, preserving operational simplicity.
3Reliability
If the interface configuration is dynamically changed, then security against peeping is improved, but loss of time increases
Solution Approach 1:
The patent implements a dynamic virtual interface configuration that automatically changes during operation. The interface can be reconfigured without user intervention, and the system continuously monitors the display to adapt to configuration changes, eliminating time loss while maintaining security.
Solution Approach 2:
The system uses feedback from continuously captured display images to detect both user interactions and interface configuration changes. This real-time feedback mechanism allows automatic adaptation to configuration changes without requiring user input or causing time loss.
Data Source
AI summary
Method and apparatus for secure data entry. In the method a virtual data entry interface is generated, and is outputted so as to be readable only by the user. The user then enters data using the interface. The apparatus includes at least one display, or optionally a pair of displays that output a 3D stereo image. It also includes a data processor, and at least one sensor, or optionally a pair of sensors that capture 3D stereo data. The data processor generates a virtual data entry interface, and communicates it to the display or displays. The displays output the virtual interface such that it is only readable by the user. The sensor or sensors receives data entered by the user's actions, and send signals representing those actions to the processor. The processor then detects the data from the signals.