Peripheral Device Authentication for Secure Transactions
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Solution Overview
Problem
Users face difficulties in performing transactions when they cannot immediately do so, such as minors requiring parental approval or employees purchasing company expenses, and there is a need for secure transaction methods, especially when devices are stolen or unavailable.
Innovation Solution
A transaction system and method that allows transactions to be performed using information from a peripheral device, including searching for and authenticating with a specified peripheral device, combining authentication information, and using it to complete transactions with a transaction server.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a user performs a transaction using their own device, then the transaction can be completed directly, but the user cannot safely perform the transaction if the device is stolen or unavailable
Solution Approach 1:
The patent introduces a peripheral device as an intermediary that stores authentication information separately from the main device. This mediator allows the user to perform transactions even when the main device is unavailable or compromised, as the authentication information resides in the peripheral device that remains with the user. The system verifies authentication through this intermediary device, resolving the contradiction between security and availability.
Solution Approach 2:
The patent segments the authentication system into two separate components: the main device for initiating transactions and a peripheral device for storing authentication information. This segmentation ensures that even if the main device is stolen, the authentication information remains secure in the peripheral device, while still allowing transaction completion when needed.
2Adaptability or versatility
If authentication information is stored in multiple peripheral devices, then transaction availability is improved, but the complexity of managing and verifying authentication increases
Solution Approach 1:
The patent combines authentication information from multiple peripheral devices by receiving authentication data from each device and verifying them collectively. The system merges the verification process, checking authentication information from multiple sources and combining their validity to authorize the transaction, thereby managing complexity through a unified verification approach.
Solution Approach 2:
The system is designed to universally accept authentication information from various types of peripheral devices, not limited to a specific device type. This multi-functionality allows any peripheral device storing valid authentication information to be used for transaction verification, simplifying the management approach by treating all peripheral devices uniformly.
3Reliability
If the system searches for and verifies peripheral devices before transactions, then transaction security is improved, but the time required to complete transactions increases
Solution Approach 1:
The system performs preliminary actions by establishing communication with the peripheral device and verifying authentication information before the actual transaction occurs. This preliminary verification ensures security is confirmed in advance, allowing the subsequent transaction to proceed quickly without repeated verification delays.
Data Source
AI summary
A transaction system and method of performing a transaction by using a peripheral device are provided. The method includes receiving transaction information from an external device, searching for a peripheral device when the transaction information is received, and performing the transaction with a transaction server by using information received from the searched peripheral device and the transaction information.