Digital Content Fragmentation and Dynamic Tagging for Secure Distribution
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Solution Overview
Problem
Conventional peer-to-peer file sharing systems are vulnerable to tampering and unauthorized access due to static file fragments and tags, which are easily decipherable, and traditional encryption-based digital rights management (DRM) is costly and computationally demanding.
Innovation Solution
A method involving fragmenting digital content into multiple fragments, tagging them with DRM information, and generating a digital rights license that includes hash results and sequencing information to ensure only authorized reassembly, while periodically updating and randomizing fragment and tag information to enhance security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional encryption-based DRM is used, then security against unauthorized access is improved, but computational cost and system complexity increase
Solution Approach 1:
The patent divides the digital content into multiple fragments and assigns unique identifiers to each fragment. This segmentation allows the system to manage and control access to individual fragments rather than the entire content, reducing computational overhead while maintaining security. The fragment identification and management process is simpler and more scalable than traditional encryption-based DRM.
2Ease of operation
If static tags are used for fragment identification, then ease of operation is improved, but vulnerability to tampering increases
Solution Approach 1:
The patent implements dynamic tag generation where identifiers are created based on the current state of the content and distribution system. Tags can be updated, regenerated, or changed based on security requirements and system conditions. This dynamic approach maintains ease of operation for fragment identification while providing protection against tampering through continuous evolution of identification mechanisms.
3Productivity
If file fragmentation is implemented, then distribution efficiency is improved, but reassembly complexity increases
Solution Approach 1:
The patent introduces an intermediary system that manages the fragmentation and reassembly process. This intermediary component handles the complexity of tracking fragments, verifying identifiers, and coordinating reassembly operations. By centralizing this management function, the system achieves efficient distribution through fragmentation while simplifying the reassembly process for end users through automated or guided operations.
Data Source
AI summary
Methods, systems, and products distribute digital content based on digital rights license. A digital file may be fragmented into a plurality of unusable fragments. Each unusable fragment is separately unusable. Each unusable fragment may be tagged with a tag to generate tagged unusable fragments. The digital rights license is generated based on the tag, such that the tagged unusable fragments may be reassembled into the digital file.