Transaction-Specific Download Authorization Code Generation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing digital product download systems lack secure and unique authorization mechanisms, leading to potential misuse and identity verification issues, as they often rely on pre-existing codes that are not transaction-specific and may not ensure non-repudiation.
Innovation Solution
Dynamically generating a unique download authorization code based on the transaction identifier, incorporating a value associated with the electronic commerce network site and merchant, which is then used to authenticate the source and ensure single-use downloads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pre-existing download codes are used, then download process is simple, but security and authorization verification are insufficient
Solution Approach 1:
The system performs preliminary actions by generating download authorization codes in advance during the acquisition transaction phase. The code is created before the actual download occurs, embedding the transaction identifier and merchant information, so that authorization verification can be performed efficiently during download without complex real-time authentication procedures.
Solution Approach 2:
The download authorization code serves as an intermediary element between the acquisition transaction system and the download system. It carries the transaction identifier and merchant information, enabling the download server to verify authorization without needing direct communication with the original transaction system, thus simplifying the overall system architecture while maintaining security.
2Reliability
If transaction-specific codes are generated, then authorization security is improved, but system complexity increases
Solution Approach 1:
The authorization code is segmented into distinct components: a transaction identifier portion and a merchant information portion. This segmentation allows the system to maintain security through transaction-specific codes while simplifying generation by using predefined merchant values and standard transaction identifier formats, avoiding the need for complex cryptographic operations.
Solution Approach 2:
The system changes parameters by incorporating the merchant's information value into the authorization code structure. This parameter change enables the code to be both transaction-specific and merchant-specific, providing enhanced security and non-repudiation without requiring complex algorithms, as the merchant value acts as a unique identifier that simplifies verification.
3Reliability
If dynamic code generation is implemented, then code uniqueness is ensured, but processing time increases
Solution Approach 1:
The system performs code generation as a preliminary action during the acquisition transaction, which occurs anyway in the purchase flow. By generating the download authorization code at this earlier stage rather than in real-time during download, the system ensures code uniqueness while avoiding additional processing time delays during the actual download operation.
Solution Approach 2:
The system creates the download authorization code as a copy or derivative of the transaction identifier, rather than generating a completely new complex cryptographic token. This copying approach ensures uniqueness (since each transaction identifier is unique) while minimizing processing time, as it involves replicating and formatting existing data rather than performing intensive computational operations.
Data Source
AI summary
Disclosed are various embodiments for generating a verifiable download authorization code. A computing device obtains a transaction identifier that corresponds to an acquisition of a digital product by a user. The computing device generates a download authorization code based at least in part on the transaction identifier.