Hidden Optical Code Provisioning for Secure Control Device Authentication
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current provisioning methods for control devices in home control systems are insecure and cumbersome, as they rely on visible codes that can be lost or require screens for display, posing a security risk and increasing manual steps for device identification and authentication.
Innovation Solution
A control device with a hidden optical code, such as a QR code, that encodes a device identifier and secret code, allowing secure authentication through optical scanning, reducing manual steps and enhancing security by preventing eavesdropping during the provisioning process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a visible code is used for provisioning, then device identification and authentication can be performed, but security is compromised and manual steps increase
Solution Approach 1:
The patent replaces manual typing of provisioning codes with optical scanning using a camera or imaging device. The optical code (e.g., QR code) displayed on a screen is scanned by the user's device, automatically extracting the provisioning information without requiring manual keyboard input, thereby reducing errors and improving security
Solution Approach 2:
The patent introduces an optical code as an intermediary carrier that transmits provisioning information (device identifier and secret code) between the control device and the user's device. This intermediary enables secure information transfer without direct exposure of sensitive data during the provisioning process
2Ease of operation
If provisioning codes are displayed on screens, then device authentication can be achieved, but security risks increase due to potential eavesdropping
Solution Approach 1:
The patent moves the provisioning code from a traditional text-based format to a two-dimensional optical code format (such as QR code). This dimensional change allows the same information to be encoded in a compact visual pattern that can be scanned optically, making it harder to intercept or eavesdrop on during transmission
Solution Approach 2:
The patent replaces the manual reading and typing of provisioning codes with automated optical scanning. The camera or imaging device captures the optical code and automatically extracts the embedded information, eliminating the need for manual interaction and reducing the window of exposure to potential eavesdropping
3Reliability
If manual code entry is required for provisioning, then device connection can be established, but installation time and complexity increase
Solution Approach 1:
The patent replaces the manual process of reading and typing provisioning codes with automated optical scanning. The user simply points the camera at the optical code displayed on the control device, and the system automatically extracts and processes the provisioning information, dramatically reducing installation time and eliminating typing errors
Solution Approach 2:
The patent prepares the provisioning information in advance by encoding it into an optical code format that can be quickly scanned and processed. This preliminary preparation of the provisioning data in a machine-readable optical format enables rapid automatic extraction during installation, eliminating the need for manual data entry and reducing overall installation time
Data Source
AI summary
A control device having a surface that is hidden after installation of the control device. The control device includes an optical code disposed on the surface. The optical code encodes a device identifier of the control device and a secret code. The control device includes a wireless transceiver configured to communicate with a user device during a provisioning sequence of events that is initiated based on the user device scanning the optical code to obtain the device identifier and the secret code.