Wireless Auto-User Registration and Unlocking via Encrypted Token

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Solution Overview

Problem

Existing computing devices require manual authentication or physical interaction for user account registration and locking/unlocking, which can be inconvenient and insecure, especially when used in conjunction with proximity-based access control.

Innovation Solution

A system and method for registering a new user account on a computing device over a wireless connection, allowing automatic unlocking and locking based on proximity to a secondary device, using an encrypted connection to obtain account information from a server and authorize device access without physical interaction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual authentication is required for user account registration and device unlocking, then security is maintained through verified user identity, but user convenience and operational speed deteriorate due to required physical interaction and authentication steps

Engineering Contradiction:

ImproveUser convenience in account registration and device accessVSAvoidSecurity verification through manual authentication

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The system performs preliminary actions by pre-establishing trusted relationships between devices and users through account registration. The secondary device is pre-configured with user credentials and authorization tokens, enabling it to automatically authenticate with the primary device without requiring manual user input during the actual access operation.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system implements self-service by enabling the secondary device to autonomously perform authentication and device unlocking operations. The device automatically establishes encrypted connections, transmits authorization tokens, and triggers unlock sequences without requiring physical interaction or manual authentication from the user.

Inventive Principle:

Principle #25Self-service

2Ease of operation

If automatic proximity-based access control is implemented, then user convenience improves by eliminating manual authentication, but security risks increase due to potential unauthorized access and lack of verified user identity

Engineering Contradiction:

ImproveAutomatic device unlocking based on proximityVSAvoidSecurity verification of user identity

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The system introduces an intermediary mechanism in the form of encrypted communication channels and authorization tokens. These intermediaries mediate between the proximity detection capability and the authentication requirement, allowing automatic access while maintaining security through cryptographically verified identity confirmation and authorized device relationships.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Reliability

If user account registration requires physical interaction with the computing device, then security is enhanced through direct user verification, but device complexity and setup time increase due to manual configuration steps

Engineering Contradiction:

ImproveSecurity through direct user verificationVSAvoidManual configuration steps for account registration

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The system replaces mechanical/physical interaction requirements with wireless communication-based authentication. Instead of requiring physical presence at the device for account registration and verification, the system uses wireless protocols to transmit authorization tokens and establish trusted relationships, eliminating the need for manual configuration steps while maintaining security verification.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

4Productivity

If wireless connection-based account registration is implemented, then user convenience and setup speed improve, but security risks increase due to potential interception and unauthorized registration

Engineering Contradiction:

ImproveSpeed of user account registrationVSAvoidSecurity against interception and unauthorized access

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The system changes the security parameters by implementing encrypted communication protocols and multi-factor authorization mechanisms. The registration process uses cryptographic encryption to protect wireless transmissions, and requires multiple verification steps including device identity confirmation and user authorization tokens, thereby maintaining high registration speed while securing against interception and unauthorized access.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentEP3451754B1Auto-user registration and unlocking of a computing device

Publication Date: 2021.06.02 GOOGLE LLC

Figure 1(I)~1(III)
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AI summary

A computing device provides an indication that the computing device accepts dynamic user registration of user accounts over a wireless connection. A wireless mobile device automatically connects to the computing device, establishes an encrypted connection, and receives, over the encrypted connection, and passes an encrypted account token over the encrypted connection to the computing device, all without physical interaction with the computing device. The computing device automatically contacts a remote account server to retrieve a user account associated with the account token and registers the user account with the device.