Two-Step Wireless Remote Control Authentication for Rock Modification Devices
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Solution Overview
Problem
Existing authentication methods for wireless remote controls in rock modification devices require high-quality monitors to display QR codes, which are prone to failure in dusty environments, and existing solutions do not adequately address secure authentication in such conditions.
Innovation Solution
A method involving two levels of authentication information, where a less secure initial authentication is optically displayed and input by an operator, followed by a more secure authentication transmitted wirelessly, ensuring robust and secure communication even in environments with limited output capabilities or high dust levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a QR code is displayed on a monitor for authentication, then authentication can be established between remote control and device, but the monitor requires high quality which increases device complexity and cost
Solution Approach 1:
The authentication process is segmented into two distinct phases: first authentication using a QR code displayed on a potentially low-quality monitor, and second authentication using a cryptographic protocol over the established wireless connection. This segmentation allows the system to use simple initial authentication followed by secure cryptographic verification, resolving the contradiction between authentication reliability and monitor quality requirements.
Solution Approach 2:
The QR code authentication serves as a preliminary action that establishes the initial wireless connection between remote control and device. This preliminary authentication step enables subsequent cryptographic communication, allowing the system to first create a communication channel using simple visual authentication, then upgrade to secure cryptographic authentication.
2Reliability
If a QR code is displayed on a monitor in a dusty environment, then authentication can proceed, but dust contamination impairs the monitor output quality making QR code unreadable
Solution Approach 1:
The system prepares for potential monitor degradation by implementing a two-layer authentication approach. The first authentication via QR code provides initial access, while the second cryptographic authentication serves as a backup and verification mechanism that does not depend on monitor quality, thus cushioning against the harmful effects of dust contamination.
Solution Approach 2:
The wireless communication channel acts as an intermediary that transfers authentication data without requiring high-quality visual display. Once the initial QR code authentication establishes the connection, subsequent authentication data can be transmitted wirelessly, bypassing the monitor quality issue caused by dust contamination.
3Ease of operation
If only QR code authentication is used, then authentication process is simple, but security level is insufficient
Solution Approach 1:
The authentication process is divided into two segments: first authentication using QR code for simplicity and ease of operation, and second authentication using cryptographic protocols for enhanced security. This segmentation allows each authentication method to fulfill its optimal function - QR code for user-friendly initial access and cryptography for secure verification.
Solution Approach 2:
The system merges two authentication methods - QR code visual authentication and cryptographic protocol authentication - into a unified two-step process. The QR code authentication establishes the initial connection, and the cryptographic authentication reinforces security, combining the advantages of both simple visual verification and secure cryptographic protection.
Data Source
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AI summary
The present invention relates to a method for authenticating a wireless remote control (82) as a temporary part of a control unit (60) of a rock modification device (12). The method comprises the following steps: i. Causing the device data processing unit (64) to generate a first authentication information (A1) with a lower security level (S10), ii. Human-perceived output of the first authentication information (A1) at the device data output unit (66) (S12), iii. Input of the first authentication information (A1) into the remote data input unit (92) by an operator (S14), iv. Establishment of wireless communication with the device-based part (62) of the control unit (60) by the remote control (82) based on the first authentication information (A1) (S16), v.After establishing wireless communication: generating a second authentication information (A2) with a higher security level by the device data processing unit (64) (S20), vi. wirelessly transmitting the second authentication information (A2) to the remote control (82) (S22).