Mobile Access Control via Server-Mediated NFC Authentication
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Solution Overview
Problem
Existing access control systems using NFC technology in mobile devices face security concerns and increased complexity and costs, particularly in granting access to controlled functionalities like door unlocking.
Innovation Solution
A method utilizing short-range wireless communications, such as NFC or BLE, where a mobile device reads an identifier from a tag proximal to the controlled functionality, and an access control server determines access based on the device identity and biometric data, sending a signal to control hardware components like electrical actuators to grant or deny access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If NFC technology is used in mobile devices for access control, then user convenience is improved, but security concerns and device complexity increase
Solution Approach 1:
The patent introduces an access control server as an intermediary between the mobile device and the controlled functionality. The server receives authentication data from the mobile device via network communications rather than direct NFC contact, mediating the authentication process to enhance security while maintaining user convenience. This resolves the contradiction by using the server as a trusted intermediary that can verify credentials without requiring direct device-to-device NFC communication.
2Ease of operation
If NFC technology is used in mobile devices for access control, then user convenience is improved, but access control device complexity and costs increase
Solution Approach 1:
The patent extracts the authentication logic and decision-making capabilities from the access control device and relocates them to a remote access control server. The access control device itself is simplified to only handle credential verification through network communications, while the complex authentication processes, authorization decisions, and user management functions are performed by the server. This reduces device complexity while maintaining user convenience through mobile device integration.
3Reliability
If biometric data is collected for access control, then security is improved, but privacy concerns and system complexity increase
Solution Approach 1:
The patent implements biometric authentication where the mobile device itself performs the biometric scanning and verification locally without requiring additional biometric hardware at the access control point. The mobile device's built-in biometric sensors (fingerprint, facial recognition) handle the authentication self-service, and only the authentication result is transmitted to the server. This approach improves security through biometric verification while minimizing system complexity by leveraging existing mobile device capabilities rather than adding separate biometric systems.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enhances security and reduces complexity by leveraging mobile devices for access control, allowing secure and efficient granting of access to controlled functionalities like door unlocking, while minimizing costs and improving user convenience.
Implementation Method 1
user credentials are maintained on the phone, and read via NFC by an access control device
Implementation Method 2
A method utilizing short-range wireless communications, such as NFC or BLE
Data Source
AI summary
Described herein are systems and methods for enabling access control via mobile devices. Embodiments of the invention have been particularly developed for allowing a user to gain access to a controlled functionality (for example the unlocking of a door) using a smartphone or the like. These leverage short-range wireless communications, such as Bluetooth Low Energy or Near Field Communications.