3D Graphical Authentication Spatial Alignment Security
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Solution Overview
Problem
Existing graphical authentication systems are vulnerable to 'shoulder surfing' where observers can determine the cursor location or pattern of points on overlay images, compromising security.
Innovation Solution
A three-dimensional graphical authentication system where a user aligns a reference point on one image with a corresponding point on another image, enhancing security by obscuring the alignment process from observers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional graphical authentication system with overlay images is used, then the authentication process is simple and easy to operate, but the system is vulnerable to shoulder surfing where observers can determine cursor location or pattern of points
Solution Approach 1:
The patent transitions from traditional 2D overlay image authentication to 3D authentication by displaying a first image on a first plane and a second image on a second plane that is angled relative to the first plane. This dimensional change creates depth separation that prevents observers from simultaneously viewing both images and their reference points, thereby preventing shoulder surfing while maintaining the core authentication functionality.
2Reliability
If a three-dimensional authentication system with angled planes is implemented, then security against shoulder surfing is improved, but the device complexity and difficulty of operation increase
Solution Approach 1:
The patent replaces manual manipulation of physical overlay sheets with automated digital display of images on angled planes. The reference points are automatically positioned and aligned through software control rather than requiring manual physical alignment, significantly reducing the operational complexity while maintaining the security benefits of the 3D configuration.
Data Source
AI summary
A method of authenticating access on an electronic device. A digital image overlaid by an array of alphanumeric characters is displayed on a three-dimensional display of the electronic device. The digital image includes a three-dimensional representation of a scene and is displayed in three-dimensional coordinates. The array of alphanumeric characters is positioned on the three-dimensional display with respect to the digital image in three dimensions in response to received input. Access to the electronic device is authenticated in response to detecting that a designated character in the digital image is aligned with a designated object in the digital image.