Electronic Data Sharing Device Secure Exchange
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Solution Overview
Problem
Existing electronic data sharing devices have security flaws, usage limitations, and lack features for automatic detection of nearby devices, selective data sharing, and immediate data synchronization, leading to vulnerabilities and inconvenience in exchanging contact information.
Innovation Solution
An electronic data sharing device that uses pre-shared keys or session keys to encrypt data exchanges, enabling secure sharing via a server-connected software system, and incorporates a microcontroller with radio capabilities for wireless communication and AES encryption, allowing for secure and automatic detection of nearby devices without prior user configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If data is exchanged between devices and transmitted to a server, then contact information sharing is enabled, but security vulnerabilities arise from third-party access and malware
Solution Approach 1:
The patent introduces an intermediary server that acts as a trusted mediator between devices. The server receives encrypted data from devices, decrypts it using its own key, validates the information, and stores it securely. This intermediary architecture prevents direct device-to-device security risks while maintaining data sharing functionality, as the server acts as a buffer that verifies and sanitizes all exchanged information.
Solution Approach 2:
The patent implements preliminary actions by pre-configuring devices with security certificates and encryption keys before data exchange occurs. The server pre-validates device credentials and establishes secure communication channels in advance. Contact information is pre-processed and formatted on the server side, ready for immediate secure distribution when exchange occurs, eliminating the need for real-time security negotiations during the actual data swap.
2Reliability
If users manually enter contact details before use, then device configuration is complete, but user convenience decreases and data may become outdated
Solution Approach 1:
The patent enables devices to automatically update and synchronize contact information without requiring manual user intervention. The server periodically pushes updated contact details to devices, and devices can automatically retrieve and apply updates from the server. This self-service mechanism ensures contact information remains current while eliminating the burden of manual re-entry for users.
Solution Approach 2:
The patent implements feedback loops where devices continuously communicate with the server to verify and update contact information. When changes occur on the server side (such as updated phone numbers or email addresses), the system automatically notifies and updates the connected devices. This feedback mechanism ensures information accuracy while maintaining ease of use, as users simply need to maintain their connection to the server.
3Ease of manufacture
If data is transmitted in unencrypted format to servers, then data upload is simple, but third parties can access and compromise the data
Solution Approach 1:
The patent applies preliminary encryption to data before it leaves the device. Contact information is encrypted using device-specific keys during the data collection phase, and this encrypted format is maintained throughout transmission to the server. The server receives and processes only encrypted data, ensuring that even if intercepted, the information remains protected. This preliminary security measure is integrated into the data upload process without adding significant complexity.
4Adaptability or versatility
If devices require prior configuration and data entry, then data exchange can occur, but automatic detection of nearby devices is not possible
Solution Approach 1:
The patent makes the device universal by integrating multiple functions into a single platform. The device can both automatically detect nearby devices through radio frequency signaling and perform complete data exchange operations including encryption, transmission, and synchronization with the server. This multi-functional design allows the device to operate autonomously in detection mode while maintaining full configurability when data exchange is initiated, combining automatic detection capabilities with comprehensive data management features.
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
The solution enhances data security, enables secure and private information sharing, allows for immediate data access without internet connection, and provides automatic detection of nearby devices, addressing the limitations of existing technologies.
Implementation Method 1
uses pre-shared keys or session keys to encrypt data exchanges, enabling secure sharing via a server-connected software system, and incorporates a microcontroller with radio capabilities for wireless communication and AES encryption
Implementation Method 2
Existing devices typically either use electromagnetic coupling employing induction coils and require the user of one device to hold it in close proximity and alignment to another user's device
Data Source
AI summary
An electronic data sharing device configured to exchange a first tag with a corresponding tag from a further electronic data sharing device, wherein the first and second tags provide information that enables respective users of the electronic data sharing devices to share information via a server enabled internet-connected software system associated with the electronic data sharing devices, wherein the electronic data sharing device is either configured with a pre-shared key or is able to encrypt a session key, wherein the pre-shared key or session key are used to generate tags to ensure that: the electronic data sharing device and tags can only be made use of by the server.