Graphical Password Segmentation for Memorability
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Solution Overview
Problem
Users face inconvenience and increased password resets due to the difficulty in remembering both alphanumeric and graphical passwords, leading to higher security risks and organizational burdens.
Innovation Solution
A method and apparatus that provide multiple selectable image portions, allowing users to select and mark them in an identifiable manner to generate authentication information, reducing the complexity of graphical passwords and enhancing memorability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional graphical passwords are used, then security entropy is maintained, but user memorability deteriorates leading to frequent password resets
Solution Approach 1:
The graphical password is segmented into multiple image portions arranged in a grid, where each portion can be independently selected and marked. This segmentation reduces the cognitive load by breaking down the complex graphical password into manageable units, improving memorability while maintaining security through the combination of multiple selected portions with different markings.
Solution Approach 2:
Different markings are applied to different image portions based on their selection status. Selected image portions receive specific markings (such as highlights or symbols) that distinguish them from unselected portions. This local quality differentiation helps users remember which portions were selected and how they were marked, enhancing password recall without compromising security.
2Reliability
If multiple passwords are required for different applications, then access control is improved, but user burden increases leading to password forgetting
Solution Approach 1:
The graphical password system provides a universal authentication mechanism that can be applied across multiple applications and platforms. By using a consistent graphical interface with selectable image portions and markings, users can maintain the same password across different services, eliminating the need to remember multiple distinct passwords while preserving access control security.
3Reliability
If password complexity is increased to prevent resets, then security is improved, but ease of operation deteriorates
Solution Approach 1:
The system dynamically generates graphical passwords by randomly selecting combinations of image portions and applying various markings to them. This dynamic generation ensures high entropy and security, while the consistent graphical nature and limited set of marking types make the passwords easier to remember and recreate, balancing security with ease of operation.
Data Source
AI summary
There is disclosed herein techniques for use in authentication. The techniques comprise providing multiple selectable image portions. The techniques also comprise selecting a first image portion of the multiple selectable image portions. The said selecting of the first image portion comprises performing a first operation to associate a first marking with the first image portion in an identifiable manner. The techniques further comprise generating information for use in authentication based on the first image portion and the first marking associated with the first image portion.