Proximity-Based Device Authentication via Pre-Shared Data
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Solution Overview
Problem
Conventional device authentication methods, such as using limited-digit PIN codes, are inadequate for providing both security and ease of access, particularly in scenarios where quick access to electronic devices is necessary, as they can be time-consuming and inconvenient.
Innovation Solution
A system and method for device authentication that involves detecting nearby devices using short-range communication protocols like NFC or Bluetooth, where authentication data is shared and encrypted to unlock devices upon proximity or specific events, allowing for secure and rapid access without manual login.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the length of PIN codes is increased to provide higher-level security, then security is improved, but the time and effort required to unlock the electronic device increases
Solution Approach 1:
Authentication data is pre-shared between devices during setup, so that when a device is brought into proximity, the authentication can occur immediately without requiring the user to manually input a lengthy PIN code. The system performs the authentication preparation in advance, resolving the contradiction between security and unlock time.
2Ease of operation
If a limited-digit PIN code is used to enable quick access, then ease of operation is improved, but security is worsened
Solution Approach 1:
The patent introduces shared authentication data as an intermediary between the user and the device authentication system. Instead of directly using short PIN codes (which compromise security) or long PIN codes (which compromise ease of operation), the system uses pre-shared authentication data that can be automatically exchanged between devices, providing both security and convenience.
3Reliability
If manual login is required to ensure security, then security is improved, but productivity is worsened due to longer access time
Solution Approach 1:
The system enables devices to perform authentication automatically without requiring manual user intervention. When devices are brought into proximity, they automatically exchange authentication data and complete the authentication process, allowing the device to serve itself for authentication purposes. This resolves the contradiction between security and access speed.
Data Source
AI summary
Various aspects of a system and a method for device authentication are disclosed herein. The system comprises one or more processors in a first communication device. The one or more processors are operable to detect a second communication device within a communication range of the first communication device. The first communication device is in an unlocked state and the second communication device is in a locked state. The first communication device communicates authentication data to unlock the detected second communication device.