Wearable Device Key Mapping for Secure Input
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Solution Overview
Problem
Existing wearable devices fail to securely prevent shoulder surfing and network attacks while allowing users to input sensitive content, as existing encryption methods are vulnerable to hacking and exposure.
Innovation Solution
A wearable device that maps keys from a first key layout to a second key layout, displaying the second layout to the user and converting the input content for secure processing, while directly communicating with an electronic device to enhance security without exposing mapping information to external networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If encryption methods are used to prevent shoulder surfing, then security against nearby observation is improved, but the system becomes vulnerable to network attacks such as hacking, spoofing, and snooping
Solution Approach 1:
The patent introduces a wearable device as an intermediary between the user and the electronic device. This wearable device captures the user's input through the second key layout, converts it to the corresponding first content using mapping information, and transmits the converted content to the electronic device. This intermediary approach prevents the electronic device from directly handling unconverted input, thereby securing against both shoulder surfing and network attacks by ensuring that only properly converted and authenticated content is processed.
Solution Approach 2:
The patent implements preliminary conversion of the user's input from the second key layout to the first content before transmission to the electronic device. The mapping information is pre-established and stored in the wearable device, allowing real-time conversion of input without requiring the electronic device to perform complex decryption or validation operations. This preliminary action enhances security by ensuring that sensitive operations occur on the user's device rather than over the network.
2Reliability
If a second key layout is displayed on the wearable device to prevent shoulder surfing, then security against observation is improved, but the complexity of the input system increases
Solution Approach 1:
The patent creates a virtual copy of the key layout (second key layout) that is displayed on the wearable device's display unit. This virtual copy allows the user to see which keys they are pressing without revealing the actual mapping relationship to potential observers. The mapping information serves as a translation layer that connects the visual copy to the actual input, maintaining simplicity in the physical input device while enhancing security through the visual feedback mechanism.
3Reliability
If mapping information is used to convert input content, then security of user input is improved, but the time required for content conversion and processing increases
Solution Approach 1:
The mapping information is pre-established and stored in the wearable device's memory before the user needs to input content. This preliminary preparation allows the conversion process to occur in real-time as the user presses keys, without requiring complex calculations or network communication during the actual input phase. The mapping table is ready and waiting, enabling immediate conversion and minimizing any time delay in the input process.
Data Source
AI summary
A method by which a wearable device displays content and a wearable device therefor are provided. The method includes authorizing a user wearing the wearable device, identifying a first key layout of an input device connected to an electronic device used by the authorized user, generating mapping information in which at least one key in the first key layout is mapped to a different key, displaying, on a display of the wearable device, a second key layout in which the first key layout is mapped according to the mapping information, determining second content as content input by the authorized user, based on the second key layout and an input of the authorized user with respect to the input device, and displaying the second content on the display of the wearable device. The second content and first content may be mutually mapped to each other according to the mapping information.