Offline Digital Resource Transfer via Hardware Chip Cryptography
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Solution Overview
Problem
Existing systems lack an efficient and secure method for processing offline digital resource transfers, as they often require online connectivity and do not adequately protect the authenticity and authorization of digital transactions.
Innovation Solution
A hardware device-based cryptographic system, such as a SIM card, is used to store and manage cryptographic keys, allowing for offline digital resource transfers by digitally signing data records and performing validation checks, which are then reconciled when an online connection is established.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If offline digital resource transfers are implemented, then system independence and operational efficiency are improved, but security and authentication reliability deteriorate
Solution Approach 1:
The patent introduces a hardware chip as an intermediary component that stores cryptographic keys and performs digital signing operations. This mediator enables offline transfers by providing local authentication capability without requiring connection to external servers, thus maintaining security while enabling operational independence.
Solution Approach 2:
The patent extracts the cryptographic key storage and digital signing functionality from the main system into a separate hardware chip. This extraction allows the core authentication function to operate independently offline while the main system can function without continuous server connection, resolving the contradiction between offline capability and security.
2Reliability
If cryptographic keys are stored on hardware devices, then security and authenticity are improved, but device complexity increases
Solution Approach 1:
The hardware chip acts as a specialized intermediary that handles all cryptographic operations. By isolating this complex function in a dedicated device, the main system's complexity is reduced while the chip itself manages the cryptographic complexity, achieving a balance between security and overall system simplicity.
Solution Approach 2:
The patent segments the system into distinct functional components: the hardware chip for cryptographic operations and the main system for resource management. This segmentation places complexity only where needed (in the chip for security) while keeping the rest of the system simple and manageable.
3Adaptability or versatility
If offline transfers are enabled, then system versatility and adaptability are improved, but reconciliation and data synchronization become more difficult
Solution Approach 1:
The system performs preliminary digital signing of transfer records offline using the hardware chip before any reconciliation is needed. This preliminary authentication action ensures that when synchronization occurs later, the data is already validated and ready for efficient reconciliation, reducing the complexity of the synchronization process.
Solution Approach 2:
The patent creates local copies of transfer records with digital signatures stored in the hardware chip. These copies enable offline operations and can be later synchronized with central servers, allowing the system to adapt to offline conditions while maintaining data integrity for future reconciliation.
Data Source
AI summary
A system is provided for processing offline digital resource transfers using a hardware device based cryptographic application. In particular, the system may comprise a portable hardware device or chip that have a cryptographic application and key stored thereon. The hardware chip may further store information about a digital resource associated with the user. A user may, through a user computing device, initiate a digital resource transfer by retrieving a data record associated with the digital resource transfer from a terminal. The user computing device may then access the cryptographic application stored on the hardware chip, where the cryptographic application may use the cryptographic key to digitally sign the data record. In this way, the system provides a secure and efficient way to process offline digital resource transfers.