Dual-Port Memory Wireless Pairing
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Solution Overview
Problem
Existing electronic devices, such as FreePlugs, require physical handling and wired access for pairing, which can lead to breakage and is time-consuming, making the process cumbersome and prone to errors.
Innovation Solution
The implementation of a dual-port memory system, utilizing a near-field communication protocol, allows for the generation and sharing of asymmetric keys within a pair of devices without requiring physical access, enabling secure pairing through encoded secrets stored in dual-port memories.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If physical wired access is used for pairing, then secure communication can be established, but device breakage occurs and pairing time increases
Solution Approach 1:
The patent introduces a dual-port memory as an intermediary component that enables secure key exchange without direct physical contact. The first port provides wired access for secure communication during pairing, while the second port allows wireless access for key extraction, eliminating the need to physically handle and potentially break the device housing.
Solution Approach 2:
The memory system is segmented into two distinct ports with different access methods. The first port (wired) handles secure communication during pairing, while the second port (wireless) enables key extraction without physical contact. This segmentation allows the system to maintain security while avoiding device damage.
2Reliability
If physical wired access is used for pairing, then secure communication can be established, but pairing process becomes time-consuming
Solution Approach 1:
Asymmetric keys are generated and stored in the dual-port memory before the pairing process begins. During pairing, these pre-generated keys can be quickly exchanged or extracted through the wireless port, eliminating the need for time-consuming physical handling and manual key distribution procedures.
Solution Approach 2:
The dual-port memory acts as a mediator that accelerates the pairing process by enabling wireless extraction of pairing keys, eliminating the time required for physical wired access and manual configuration steps.
3Strength
If devices are stored in protective packaging, then device protection is maintained, but pairing requires breaking packaging which increases breakage risk
Solution Approach 1:
The second port of the dual-port memory serves as an intermediary that enables wireless access to pairing keys without requiring physical contact with the device or breaking the protective packaging. This maintains device protection while enabling seamless pairing.
Solution Approach 2:
The patent replaces the mechanical process of breaking packaging to access devices with a wireless electromagnetic field-based key extraction process. The NFC reader can extract pairing keys through the intact packaging, eliminating the need for mechanical opening and handling.
4Ease of manufacture
If mass production without differentiation is used, then manufacturing cost is reduced, but pairing complexity increases due to random selection
Solution Approach 1:
Devices equipped with dual-port memory and pre-generated asymmetric keys can perform self-service pairing. The wireless port enables automatic key extraction and exchange between devices, eliminating the need for complex manual pairing procedures or factory pre-configuration, thus maintaining manufacturing simplicity while reducing pairing complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method simplifies the pairing process by allowing devices to be paired without physical handling, ensuring secure communication and reducing the risk of damage while maintaining robust security through encoded secrets accessible only by breaking the packaging.
Implementation Method 1
a second port configured to enable access to a second memory of the electronic device by wireless communication. In one embodiment, the second port allows access to the second memory without the electronic device or the processor being powered. The power to the second memory is provided by a magnetic field of the second port.
Data Source
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AI summary
The invention relates to an electronic device (10A, 10B) intended to interact with at least one other electronic device (10A, 10B), the electronic device (10A, 10B) comprising a processor (12A, 12B), a first memory (16A, 16B) and a second memory (18A, 18B) distinct from the first memory (16A, 16B), the first memory (16A, 16B) being a wired memory and the second memory (18A, 18B) being a dual-port access memory, the first port (20A, 20B) being a wired port and the second port (22A, 22B) being a port allowing access to the second memory (18A, 18B) by wireless communication.