Accessory Setup Credential Mediation for Secure Controller Pairing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current techniques for setting up electronic devices, such as controllers and accessories, are inefficient and ineffective, often requiring manual code entry and separate setup for each device, complicating the connection process.
Innovation Solution
A setup component facilitates the establishment of relationships between controllers and accessories, managing credentials and communication protocols to streamline the setup process, allowing applications to control accessories through the setup component, and using different credentials for varying levels of security and privacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual code entry and separate setup for each device is used, then device security and individual configuration control are improved, but setup complexity and time consumption increase
Solution Approach 1:
A controller acts as an intermediary device between the first and second electronic devices. The controller receives the first credential from the first device, transmits it to the second device, and facilitates the addition of a second credential to the second device. This intermediary approach enables secure automated credential management while reducing setup complexity, as the controller automates the credential transmission and configuration process that would otherwise require manual intervention for each device pairing.
2Ease of operation
If automated credential management is implemented, then setup efficiency and ease of operation are improved, but security control and privacy management may be compromised
Solution Approach 1:
The credential management system is segmented into multiple distinct credentials: a first credential for initial device identification and a second credential for establishing communication with the second device. This segmentation allows different security protocols and permission levels to be applied to different stages of the setup process, maintaining security control while enabling automated operation. The controller manages these segmented credentials separately, ensuring that each credential serves a specific security function.
Solution Approach 2:
The system changes credential parameters between different communication stages. The first credential has specific parameters for device identification, while the second credential has different parameters optimized for secure communication with the second device. This parameter change approach allows the system to maintain appropriate security controls for each communication phase while enabling automated setup procedures.
3Reliability
If multiple credentials with different entitlements are used, then security granularity and access control are improved, but credential management complexity increases
Solution Approach 1:
The controller serves multiple functions in the credential management process: it receives the first credential, transmits it to the second device, manages the addition of the second credential, and facilitates communication between devices. This universal multi-functional approach consolidates complex credential management tasks into a single device, reducing the overall system complexity despite using multiple credentials with different entitlements for fine-grained access control.
Data Source
AI summary
Some techniques are described herein for initially setting up an accessory with a controller. Such techniques have a setup component of a controller establish a relationship with the accessory and facilitate establishment of relationships between applications of the controller and the accessory. In some examples, the setup component causes an accessory management credential to be installed on the accessory so that the accessory can be configured by the setup component to establish a relationship with an application in communication with the setup component. In some examples, such communication between the application and the accessory occurs without further interactions with the setup component.