Offline Electronic Ticket Generation on Mobile Secure Elements
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Solution Overview
Problem
Conventional electronic ticket systems require network connectivity for ticket purchase and validation, leading to inconveniences such as queue formation, high operational costs, and potential data privacy issues due to the need for server-based solutions and extensive infrastructure.
Innovation Solution
An offline electronic ticket generation method using a portable data carrier on a mobile user device, where the ticket is created independently of the ticket system instances without a data connection, allowing for ticket purchase and validation without network access, using a PKI infrastructure for security and a barcode for verification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If server-based solutions are used for electronic ticket storage and validation, then data security and ticket authenticity are improved, but network connectivity requirements and operational costs increase
Solution Approach 1:
The patent extracts the ticket validation functionality from the server environment and embeds it directly into the mobile device's secure element. The secure element contains a private key for signing ticket data and a public key for verification, eliminating the need for continuous server connection while maintaining authentication security.
Solution Approach 2:
The mobile device's secure element performs self-validation of tickets using embedded cryptographic keys. The device can generate, store, and validate tickets independently without requiring external server intervention, making the system autonomous and reducing infrastructure dependency.
2Extent of automation
If ticket validation requires server connection, then centralized control is improved, but user convenience and accessibility in remote areas deteriorate
Solution Approach 1:
The patent segments the ticketing system into distributed components: ticket generation, secure storage, and validation all occur locally on the user's device. This segmentation eliminates the single-point dependency on central servers, allowing offline operation while maintaining system integrity through cryptographic verification.
3Reliability
If detailed personal data is stored on servers for ticket validation, then fraud prevention is improved, but user privacy and data security concerns increase
Solution Approach 1:
The patent extracts personal identification data from centralized server storage and places it in the user's own secure element. Only cryptographic proofs and anonymized ticket data are transmitted during validation, eliminating the need for servers to store or process sensitive personal information while maintaining fraud prevention capabilities.
4Adaptability or versatility
If vending machines and terminals are provided for ticket purchase, then ticket sales functionality is improved, but acquisition and maintenance costs increase
Solution Approach 1:
The mobile device itself becomes the ticket purchasing and validation instrument. Users can buy tickets through the device's interface and validate them using the same device, eliminating the need for separate vending machines and validation terminals. The device leverages existing cellular and internet infrastructure for ticket purchase while performing validation locally.
Data Source
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AI summary
The invention describes a method for handling electronic tickets, in particular electronic travel tickets. The electronic ticket is stored on a portable data storage medium (10) of a mobile user device (40). The invention is distinguished by the fact that the electronic ticket is generated offline by the portable data storage medium (10) of the mobile user device (40).