Dynamic Password Input via Game Character Interaction
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Solution Overview
Problem
Conventional password input methods in financial and online services are vulnerable to hacking, as they rely on static coordinates that can be easily captured by spyware, and certificate schemes are costly and prone to hacking.
Innovation Solution
A method and apparatus that uses a game to input passwords by moving a character image towards a dynamically generated password image, incorporating obstacle images and reward points to enhance security and user engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional password scheme is used, then the password input process is simple and straightforward, but the system becomes vulnerable to hacking through spyware that captures screen shots and mouse clicks
Solution Approach 1:
The password image moves to different locations on the screen based on game progression, making it dynamic rather than static. This prevents spyware from capturing fixed coordinates, as the password location changes with each game state, thereby enhancing security while maintaining user interaction through the game interface
Solution Approach 2:
A character image serves as an intermediary between the user and the password image. The user controls the character to move toward and contact the password image, adding a layer of interaction that obscures the direct mapping between user input and password selection, making it harder for spyware to capture accurate coordinates
2Reliability
If a certificate scheme is used, then security is improved, but costs increase and certificates need to be carried by users
Solution Approach 1:
The system uses the game environment itself to provide security functionality. The moving password image and character interaction mechanism are self-contained within the game interface, eliminating the need for external certificate authorities, physical certificates, or complex authentication infrastructure while maintaining security through dynamic coordinate generation
3Productivity
If static password coordinates are used, then the password input process is efficient, but the risk of hacking increases
Solution Approach 1:
The password image relocates periodically based on game events and character movement. This periodic repositioning ensures that even if coordinates are captured at one moment, they become invalid in subsequent game states, providing continuous security updates without significantly impacting user experience
Solution Approach 2:
The spatial parameter (position) of the password image is dynamically changed during gameplay. By modifying the location coordinate parameter based on game progression and character movement, the system maintains efficiency in password input while preventing hacking through coordinate capture
Data Source
AI summary
The present invention relates to an apparatus and method for inputting a password using a game. The method includes displaying, on a display unit, a password image corresponding to at least one password information, displaying, on the display unit, at least one obstacle image, displaying, on the display unit, a character image moved based on movement information received from an external input unit, determining whether the character image is in contact with the password image, and controlling a user authentication procedure to be performed based on the at least one password information corresponding to the password image when the character image is in contact with the password image.