Dynamic QR Code Authentication for Secure Document Printing
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Solution Overview
Problem
Traditional systems for validating customer interactions and securely generating documents face challenges such as increased financial fraud due to interceptable QR codes and difficulties in incorporating security features, which complicate the printing process.
Innovation Solution
The implementation of dynamic QR codes with rapidly changing frames and a pulse-based authentication mechanism to validate user interactions, combined with a system for securely generating and printing documents through network verification and authentication of both the printing device and computing device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional QR codes are used for customer validation, then the authentication process is simple and fast, but the system becomes vulnerable to interception and financial fraud
Solution Approach 1:
The patent applies dynamics by transitioning from static QR codes to dynamic QR codes that change over time. The system generates QR codes with time-varying patterns that are valid only for specific time windows, making intercepted codes useless after expiration. This dynamic nature maintains authentication security while managing system complexity through automated generation and validation mechanisms.
Solution Approach 2:
The patent implements periodic action through time-bound QR code validity periods. Each QR code is generated with an expiration timestamp, creating periodic validation cycles where the code must be scanned and processed within a specific time window. This periodic expiration mechanism prevents fraudulent use of intercepted codes while maintaining a relatively simple authentication flow for legitimate users.
2Reliability
If security features are added to documents like cashier's checks, then document security is improved, but the printing process becomes more difficult and complex
Solution Approach 1:
The patent replaces physical security features (such as special inks, watermarks, and security threads) with digital authentication mechanisms. Instead of relying on complex physical document security features that are difficult to print, the system embeds digital credentials, cryptographic signatures, and verification codes that can be integrated into standard printing processes while maintaining high security levels.
Solution Approach 2:
The patent applies parameter changes by transforming security from a physical property to a digital parameter. Security is enforced through data parameters such as authentication tokens, encryption keys, and validation algorithms rather than physical document characteristics. This allows secure document generation using conventional printing equipment while maintaining reliability through digital verification mechanisms.
3Reliability
If dynamic QR codes with multiple frames are used, then fraud reduction is significantly improved, but the authentication process time increases
Solution Approach 1:
The patent applies skipping by implementing rapid frame transitions in dynamic QR codes. The system displays multiple QR code frames in quick succession, with each frame valid for only a brief moment. The legitimate user's device automatically captures the correct frame within the valid time window, skipping through invalid frames rapidly. This rushing through of frames maintains fraud reduction while minimizing perceived authentication time for legitimate users.
Solution Approach 2:
The patent implements preliminary action by pre-generating and buffering multiple QR code frames before the authentication moment. The system prepares a sequence of valid and invalid frames in advance, so when authentication is triggered, the frames are displayed in rapid succession without real-time generation delays. This preliminary preparation reduces authentication time while maintaining the fraud-reducing multi-frame structure.
Data Source
AI summary
Systems and methods for securely generating and printing documents are disclosed. For example, processor(s) of a computer system may receive information for the document from a computing device through a network, verify the information for the document, and upon verification, generate document generation data using at least a portion of the information for the document. The document generation data may include document metadata that enables generation of an image of the document and/or the image of the document. Upon the processor(s) verifying first authentication information of a first code associated with a printing device received from the computing device through the network and second authentication information of a second code associated with the computing device received from the printing device through the network, the processor(s) may transmit the document generation data to the printing device through the network, and cause the printing device to print the image of the document.