Proximity-Based Device Authentication via Assistant Wearable
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Solution Overview
Problem
Current authentication processes are vulnerable to unauthorized access due to their ease of spoofing, failing to provide robust security for device access and protected data.
Innovation Solution
Implementing a multi-factor authentication system that combines local authentication, device proximity, and physical authentication, utilizing a client device and an assistant device such as a smartwatch to verify user identity through proximity and physical possession.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional authentication processes (passwords, PINs, biometrics) are used, then ease of operation is improved, but security reliability deteriorates due to ease of spoofing
Solution Approach 1:
The authentication system is segmented into multiple independent authentication factors (device authentication, proximity authentication, physical authentication) that work together. Each factor provides a layer of security, and the combination creates a robust authentication mechanism that is difficult to spoof while maintaining usability through the assistant device.
2Reliability
If multi-factor authentication combining device proximity and physical authentication is implemented, then security reliability is improved, but device complexity increases
Solution Approach 1:
An assistant device (such as a smartwatch) serves as an intermediary that simplifies the authentication process for the user. The assistant device handles complex authentication operations (proximity detection, physical authentication) and communicates with the client device, reducing the perceived complexity for end users while maintaining high security reliability.
3Reliability
If assistant device is required for authentication, then security against unauthorized access is improved, but ease of operation deteriorates due to additional device requirement
Solution Approach 1:
The assistant device is designed to be a multi-functional universal device that the user already carries for other purposes (communication, notifications, etc.). By leveraging this existing device for authentication, the system adds security without requiring users to carry or learn to use a completely new dedicated authentication device.
Data Source
AI summary
Techniques for authentication for device access are described. In the described techniques, interaction between a client device and an assistant device is utilized to authenticate the client device for access to protected functionality and/or content. For instance, proximity between the client device and the assistant device, and physical authentication of a user with the assistant device, are leveraged for authenticating the client device for access to the protected functionality and/or content.