ID Token Optical Pattern Authentication for Secure Transactions
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Solution Overview
Problem
Current electronic transaction methods for e-commerce and e-government lack a secure, flexible, and user-friendly solution for processing financial and logistical transactions, particularly in scenarios requiring authentication and secure data exchange.
Innovation Solution
A computer-implemented method using an ID token with a secure memory area and a communication interface, where a terminal displays an optically detectable pattern containing transaction information, which is captured by a user's device and processed through a network to an ID provider computer system for authentication and attribute retrieval, ensuring secure and flexible transaction execution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional electronic payment methods are used, then transaction processing is possible, but security and user-friendliness are insufficient
Solution Approach 1:
The patent introduces an ID token as an intermediary device that mediates between the user and the transaction system. The ID token contains secure memory areas with authentication data and attributes, acting as a trusted intermediary that enhances security while maintaining ease of use through simple presentation to the terminal
Solution Approach 2:
The patent replaces traditional mechanical authentication methods (physical signatures, paper documents) with optical communication. The terminal displays an optically detectable pattern that the user's device captures, substituting physical interaction with optical field-based data exchange, thereby improving both security and convenience
2Reliability
If secure authentication methods are implemented, then transaction security is improved, but system complexity increases
Solution Approach 1:
The patent segments the authentication system into distinct functional components: the ID token with secure memory areas for different types of data (authentication data, attributes), the terminal for optical pattern display and capture, and the service computer system for processing. This segmentation distributes complexity across multiple simple components rather than concentrating it in one complex system
Solution Approach 2:
The ID token is designed as a universal device that can serve multiple functions: storing authentication data, storing user attributes, enabling optical communication, and working with different terminals and service systems. This multi-functionality reduces the need for multiple specialized devices, thereby reducing overall system complexity
3Reliability
If optical pattern communication is used, then data exchange security is improved, but compatibility with existing systems decreases
Solution Approach 1:
The patent uses optical patterns as a copyable representation of transaction data and authentication information. The terminal displays an optically detectable pattern that contains encoded information, which is then captured and decoded by the user's device. This copying mechanism allows secure data exchange while maintaining compatibility with existing digital systems through standard optical capture and processing
Data Source
AI summary
The invention relates to an electronic transaction method using an ID token (106) which is assigned to a user (102), wherein the ID token has an electronic memory (118) with a protected memory area (124) in which one or more attributes are stored, wherein access to the protected memory area is only possible via a processor (128) in the ID token, and wherein the ID token has a communication interface (108) for communicating with a reading device in a user computer system (100).