Opaque Metadata Transmission via Security Identifier
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Solution Overview
Problem
Existing linear broadcast systems lack control over the distribution of secondary content, such as metadata, which is typically associated with primary content, leading to potential unauthorized access and management challenges.
Innovation Solution
A system and method that utilize a security identifier associated with metadata, where the identifier is generated independently of the primary content and embedded within it, allowing for controlled distribution and retrieval of metadata upon change in value, ensuring secure and managed access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If metadata is openly distributed with linear broadcast content, then receivers can access secondary content freely, but unauthorized access and management control are lost
Solution Approach 1:
The patent introduces a security identifier as an intermediary element that mediates between the metadata and receivers. This identifier acts as a controlled access mechanism, allowing legitimate receivers to obtain metadata while preventing unauthorized access. The security identifier serves as a mediator that maintains both accessibility for authorized users and control over distribution.
Solution Approach 2:
The system changes the parameter of metadata distribution from open/unchecked to controlled/authorized by implementing a security identifier verification mechanism. This parameter change transforms the distribution model, enabling the system to maintain reliability while preserving ease of operation for authorized receivers.
2Reliability
If security identifier verification is implemented for metadata requests, then unauthorized access is reduced, but system complexity increases
Solution Approach 1:
The patent segments the metadata distribution system into distinct components: content distribution, security identifier embedding, metadata request handling, and verification. This segmentation allows each component to be independently managed and optimized, reducing overall system complexity while maintaining reliable access control through the security identifier mechanism.
3Manufacturing precision
If metadata is tied to specific content versions via security identifier, then content management precision is improved, but metadata retrieval complexity increases
Solution Approach 1:
The system performs preliminary action by embedding the security identifier into the content during the content creation or distribution phase. This preliminary embedding establishes the link between content and metadata in advance, enabling precise content-metadata association. When metadata retrieval is needed, the pre-embedded identifier facilitates straightforward verification and retrieval, reducing the actual retrieval complexity despite the precision requirements.
Data Source
AI summary
According to one embodiment, a content distribution method includes: generating a security identifier associated with content; storing the security identifier to be associated with metadata related to the content; providing the content and the security identifier to a receiving entity; and receiving a metadata request from the receiving entity, wherein the metadata request corresponds to the metadata related to the content.