Graphical Authentication Interface Using Image Alignment
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Solution Overview
Problem
Conventional password and PIN systems for computing devices are cumbersome for users to remember and manage, prone to breaches through various methods, offering modest practical security due to the difficulty in remembering multiple passwords and the risk of surveillance and hacking.
Innovation Solution
A graphical authentication interface where a computing device displays a base image, and users authenticate by aligning a pre-selected element in a secondary image layer with a corresponding element in the base image, leveraging visual acuity and memory for enhanced security and usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a PIN number is used for authentication, then security is provided, but the practical security is modest due to ease of surveillance and guessing
Solution Approach 1:
The patent transitions from one-dimensional numerical authentication (PIN codes) to two-dimensional spatial authentication by overlaying a grid of elements on an image. Users must align elements both horizontally and vertically across the image plane, creating a two-dimensional authentication space that dramatically increases security complexity while maintaining ease of use.
Solution Approach 2:
The patent introduces an image overlay grid as an intermediary layer between the user and the authentication system. This grid of elements serves as a mediator that transforms the authentication process into a visual alignment task, making it resistant to surveillance and guessing attacks while remaining user-friendly.
2Reliability
If multiple passwords are required for different devices, then security is improved, but the difficulty of remembering and managing them increases
Solution Approach 1:
The patent creates a universal authentication method that can be applied across different devices and contexts. The same image overlay technique can be used for authentication on computers, mobile devices, and other systems, eliminating the need for users to manage multiple different password systems.
Solution Approach 2:
The authentication system serves itself by using the user's own visual memory and cognitive abilities to perform authentication. The user leverages their natural capacity for visual recognition and spatial reasoning to complete the alignment task, eliminating the need for external password managers or complex memorization strategies.
3Reliability
If a 4 number PIN is used, then theoretical security is 1 in 10,000, but practical security is reduced due to systematic trial and error and inspired guesswork
Solution Approach 1:
The patent segments the authentication space into multiple independent dimensions: horizontal positioning, vertical positioning, and element selection within the overlay grid. This segmentation creates a multi-factor authentication system where the total security is the product of individual dimension security, far exceeding a simple 4-digit PIN despite the added visual complexity.
Data Source
AI summary
A computing device with a graphical authentication interface in which the device displays a base image and authenticates a user when a pre-selected element in a secondary image overlying the base image is aligned with a pre-selected element in the base image.