Mobile Ticket Authentication via RF Identifier and Signed Proof
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Solution Overview
Problem
Existing mobile phone transactions with point-of-sale devices lack security, allowing for the possibility of counterfeit or duplicated proof of purchase, necessitating a more secure method for product purchase.
Innovation Solution
A method involving a mobile phone and a point-of-sale device that utilizes radio frequency communication, unique identifiers, and cryptographic signatures to authenticate and verify proof of purchase, ensuring secure transactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional short-range communication modules are used for mobile phone transactions, then ease of operation is improved, but security deteriorates due to counterfeiting and duplication risks
Solution Approach 1:
A centralized server acts as an intermediary between the point-of-sale device and the mobile phone. The server receives the proof of purchase from the point-of-sale device, verifies its authenticity, and then issues a validated ticket to the mobile phone. This intermediary prevents direct counterfeiting between the sale device and phone while maintaining ease of operation for users.
Solution Approach 2:
The system implements a feedback mechanism where the centralized server continuously validates proofs of purchase before issuing tickets. The server receives data from the point-of-sale device, verifies it against existing records, and only issues validated tickets when verification succeeds. This feedback loop ensures security while maintaining user convenience through automated verification.
2Productivity
If proof of purchase is transmitted directly from point-of-sale device to mobile phone, then productivity is improved, but reliability deteriorates due to lack of verification
Solution Approach 1:
The centralized server performs preliminary verification of the proof of purchase data before it is issued to the mobile phone. The server validates the data received from the point-of-sale device, checks for duplicates, and pre-approves the ticket issuance. This preliminary action ensures authenticity while maintaining fast transaction speeds through pre-validation.
Solution Approach 2:
The centralized server serves as a mediating authority that receives proof of purchase data from the point-of-sale device, verifies its authenticity, and then transmits the validated ticket to the mobile phone. This intermediary structure enables rapid direct transmission while ensuring reliability through centralized verification of the proof of purchase data.
3Measurement precision
If wireless network connection is required for transaction verification, then measurement precision is improved, but adaptability deteriorates due to network dependency
Solution Approach 1:
The centralized server creates a copy of the verified ticket data and stores it locally on the mobile phone. Once the ticket is validated by the server, the validated copy is issued to the phone and can be used offline. This copying mechanism maintains verification accuracy through server validation while enabling network independence for ticket presentation.
Solution Approach 2:
The system performs preliminary verification and ticket issuance through the centralized server before offline use is needed. The server validates the proof of purchase and issues the ticket in advance, storing it on the mobile phone. This preliminary action ensures verification accuracy is maintained while enabling the system to function without network connection during actual ticket presentation.
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 method provides secure and reliable transactions by preventing counterfeiting and duplication of proof of purchase, functioning even in the absence of a wireless network connection.
Implementation Method 1
The transmitting/receiving module (15) is capable of transmitting or receiving data transmitted via a signal containing at least one radio frequency electromagnetic wave (EMW)
Implementation Method 2
transmitting, by radio frequency communication, a payment certificate including at least the identifier (I) to the mobile phone (6)
Data Source
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AI summary
A method is proposed for carrying out a transaction between a mobile phone (6) and a sales device (45), the phone (6) comprising a first memory (40) for storing an identifier, the identifier being unique in identifying the mobile phone (6), the method comprising the steps of: a) receiving, by radio frequency communication, the identifier by the sales device (45), b) identifying, by the sales device (45), the mobile phone (6) from the identifier received during the first transmission step, and c) generating, by the sales device (45), a proof of purchase comprising a signature calculated by the sales device (45) and suitable for authenticating the proof of purchase, the proof of purchase being a transport ticket.