Stylus Authentication Tokens for Faster Multi-Device Sessions
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Solution Overview
Problem
Existing systems lack efficient and secure methods for authenticating user accounts across multiple computing devices using a stylus, leading to increased login time and resource utilization.
Innovation Solution
A stylus-based authentication system that tracks user interactions, including grip, posture, and movement, to establish and maintain authentication tokens, allowing seamless session establishment across devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If traditional authentication methods are used across multiple computing devices, then security is maintained, but login time and computational resources increase
Solution Approach 1:
The system performs preliminary authentication actions by establishing a first session on a first computing device and generating authentication tokens in advance. When the stylus contacts a second computing device, the pre-established session and tokens enable rapid authentication without requiring full re-verification, thus reducing login time while maintaining security through pre-validated credentials
2Adaptability or versatility
If authentication is performed across multiple computing devices, then user accessibility is improved, but computational resources required increase
Solution Approach 1:
The system creates authentication token copies that can be transferred between computing devices via stylus contact. Instead of performing full authentication computations on each device, the system replicates and transfers validated authentication credentials, enabling multi-device access while minimizing computational resource consumption at each interaction point
3Productivity
If stylus-based authentication is implemented, then login efficiency is improved, but device complexity increases
Solution Approach 1:
The stylus serves as an intermediary device that facilitates authentication between computing devices. By using the stylus as a mediating component to transfer authentication tokens and establish sessions, the system improves login efficiency without requiring complex authentication infrastructure to be integrated into each computing device, thus managing overall system complexity
Data Source
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Figure 3B~4
AI summary
Techniques for stylus-based authentication of a user account across multiple devices are described herein. For example, a first session of a user account with respect to a first device of multiple devices is tracked based on user interaction with a stylus. Contact between the stylus and a second device of the multiple devices is detected. Subsequent to the detection between the stylus and the second device, a second session of the user account with respect to the second device is caused to be established. In a further aspect, the stylus maintains an authentication token representative of the first session and utilizes the authentication token to cause the second session to establish. In another aspect, a system is configured to authenticate the user account across multiple devices based on user interaction with the stylus and in response to an indication of contact between the stylus and the second device.