Variable Authorization Code Images for Secure Document Validation
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Solution Overview
Problem
Conventional document validation methods using static, pre-printed images on specialized paper stock are vulnerable to forgery, leading to waste of high-cost paper stock and unreliable validation.
Innovation Solution
Generate an authorization code image (ACI) on documents like cashier's checks, varying its features based on factors such as time, location, and recipient, allowing for dynamic validation through detection of unique properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a static, pre-printed image is used for document validation, then the validation process is simple and cost-effective, but the document becomes vulnerable to forgery
Solution Approach 1:
The patent applies dynamics by transitioning from static pre-printed images to dynamic authorization code images that change over time. The ACI is generated at the moment of document issuance using a variable protocol that incorporates temporal elements, ensuring the validation code is different for each document instance and time period, thereby preventing forgery while maintaining validation simplicity
Solution Approach 2:
The patent implements parameter changes by varying the ACI based on multiple factors including time, location, and document-specific parameters. The variable protocol generates different ACIs by changing these parameters, making each validation code unique and time-sensitive, which enhances security without requiring complex validation systems
2Reliability
If specialized paper stock with pre-printed images is used, then document validation is enabled, but high-cost paper stock is wasted when forgery is detected
Solution Approach 1:
The patent applies this principle by replacing expensive specialized paper stock with standard paper that can be freely used. The security feature (ACI) is generated digitally and printed on regular paper, making the validation mechanism disposable and renewable without waste. When a document is forged or expires, the ACI simply becomes invalid rather than rendering the entire paper stock unusable
Solution Approach 2:
The patent extracts the validation capability from the paper stock itself and separates it into an independent ACI component. The pre-printed validation image is removed from the paper manufacturing process, and only the essential ACI information is printed on standard paper, allowing the paper to remain usable even when validation fails or forgery is detected
3Reliability
If a variable protocol is used to generate ACIs, then forgery risk is reduced, but the validation process requires more information and complexity
Solution Approach 1:
The patent applies preliminary action by providing the variable protocol information to the recipient in advance, along with the document. This allows the recipient to have all necessary validation information available before the validation process begins, eliminating the need for complex real-time communication systems or additional validation infrastructure
Solution Approach 2:
The patent uses the ACI itself as an intermediary that carries all necessary validation information within its structure. The variable protocol information is embedded in or associated with the ACI, allowing the ACI to serve as a self-contained validation key that simplifies the overall validation process rather than requiring external complex systems
Data Source
AI summary
Aspects described herein may provide detection of a feature of an authorization code image (ACI) incorporated onto a document, thereby allowing for validation of the document. According to some aspects, these and other benefits may be achieved by an instance of a variable protocol that may specify how to generate the ACI to have a particular feature as well as how to detect the particular feature of the ACI. A recipient of the document incorporating the ACI may detect the particular feature of the ACI. If the detected feature matches an expected feature, then the ACI and the document may be determined to be authentic.