IoT Device Activation via Secure Pairing and Centralized Hub
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Solution Overview
Problem
The challenge in the field of computer systems, particularly in the context of the Internet of Things (IoT), is to effectively prevent unauthorized acquisition and use of devices by ensuring secure activation and deactivation mechanisms.
Innovation Solution
The proposed solution involves an IoT platform that includes a base hardware/software platform for IoT devices, a predefined networking protocol stack, an IoT hub for connecting devices to the Internet, and an IoT service for managing these devices. This platform employs secure key exchange protocols, encryption techniques, and secure pairing methods to ensure that only authorized devices can be activated and used.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If secure key exchange protocols and encryption techniques are implemented, then security and authentication are improved, but device complexity increases
Solution Approach 1:
The patent introduces an IoT hub as an intermediary component that centralizes security management. The hub handles complex key exchange protocols and encryption operations, allowing edge devices to maintain security without implementing complex cryptographic functions locally. This mediator approach resolves the contradiction by shifting complexity from individual devices to a centralized management platform.
Solution Approach 2:
The system divides security functions into separate modules: device authentication, key management, and encryption are handled as distinct services within the IoT hub. This segmentation allows the security mechanism to be implemented as a coordinated system rather than requiring every device to handle all security operations independently, reducing individual device complexity while maintaining overall security.
2Reliability
If activation and deactivation mechanisms are implemented to prevent unauthorized use, then device security is improved, but ease of operation deteriorates
Solution Approach 1:
The patent implements self-service authentication where devices automatically present their unique identifiers and cryptographic credentials to the IoT hub during activation. The deactivation process automatically removes device authorization when required. This eliminates the need for manual security configuration by users, maintaining ease of operation while ensuring device security through automated mechanisms.
Solution Approach 2:
Devices are pre-configured with unique identifiers and cryptographic keys during manufacturing. The activation process simply involves presenting these pre-configured credentials to the IoT hub, which then grants or revokes access rights. This preliminary preparation of security parameters eliminates the need for users to handle complex security operations, maintaining ease of use while ensuring security.
Data Source
AI summary
System and method for activation and deactivation of devices to prevent unauthorized acquisition and use. For example, one embodiment of a system comprises: an internet of things (IoT) service to receive a first message from a point of sale (POS) system, the first message including a device identifier (ID) to uniquely identify a device purchased by a user via the POS system; device management logic of the IoT service to identify an entry in a device database using the device ID, the entry including a field to indicate whether the corresponding device has been purchased; the device management logic to update the field responsive to the first message to indicate that the device has been purchased; and the IoT service to transmit a second message to the POS system or to a mobile device of the user in response to a request from the POS system or the mobile device, respectively, the second message authorizing unlocking of the device if the field indicates that the device has been purchased, wherein a short-range wireless connection is established between the mobile device or the POS system and the device the short-range wireless connection to be used to transmit an unlock command from the mobile device or the POS system, wherein a lock module of the device is to transition from a locked state to an unlocked state responsive to receipt of the unlock command.