Digital Content Viewership Control With Device-Specific Stream Encoding
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Solution Overview
Problem
Current data streaming systems lack the ability to efficiently control and restrict digital content viewership, leading to unauthorized access and increased complexity and cost in managing device-specific keys.
Innovation Solution
A system and method that utilizes unique device identifiers to authenticate and register user devices, perform multi-layered encoding, and ensure transmission security checks to restrict unauthorized access, while seamlessly streaming data to authorized devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If device-specific keys are managed for each user device, then transmission security is improved, but device complexity and management cost increase
Solution Approach 1:
The patent implements a universal authentication mechanism where a single authentication token or certificate can be used across multiple devices and content types. Instead of managing separate device-specific keys for each device, the system uses a unified authentication framework that works across diverse devices (smartphones, tablets, PCs, IoT devices), reducing management complexity while maintaining security.
Solution Approach 2:
The patent introduces an intermediary authentication server or license server that mediates between content providers and user devices. This intermediary handles the complex key management and authentication processes centrally, so individual devices don't need to independently manage device-specific keys. The intermediary translates between different authentication methods and content protection requirements.
2Reliability
If authentication and device registration are implemented, then unauthorized access is restricted, but system complexity increases
Solution Approach 1:
The patent performs authentication and device registration as preliminary actions before content delivery. Devices are pre-authenticated and pre-registered with the system, receiving authentication tokens or licenses in advance. This preliminary authentication setup simplifies subsequent content access, as the system already knows which devices are authorized without needing to perform complex checks for each content request.
Solution Approach 2:
The patent uses authentication certificates and license files that can be copied and distributed to multiple devices. Instead of requiring complex device-specific key pairs, the system distributes reusable authentication credentials that devices can present for verification. These digital certificates act as portable proof of authorization that can be validated without complex cryptographic operations at the device level.
3Reliability
If multi-layered encoding is applied to data, then content protection is improved, but processing time increases
Solution Approach 1:
The patent divides content protection into multiple independent layers or stages. Different portions of content or different content types receive different levels of encoding and protection. For example, video content may use one encoding scheme while audio uses another, or different DRM schemes are applied to different content assets. This segmentation allows the system to apply protection selectively rather than uniformly to all content.
Solution Approach 2:
The patent dynamically adjusts encoding parameters based on content type, device capabilities, and security requirements. Instead of applying fixed multi-layered encoding to all content, the system modifies encoding strength, algorithm selection, and protection layers based on specific parameters such as content sensitivity, device trust level, and user subscription tier. This parameter-based approach optimizes the balance between protection and processing efficiency.
Data Source
AI summary
System and method for controlling digital content viewership is disclosed. The system (100) comprises one or more user devices (108), a subsystem-A (106-A), the subsystem-B (106-B). The one or more user devices (108) comprise unique device identifier, wherein each of the one or more user devices (108) are authenticated and registered by the subsystem-B (106-B) using the unique device identifier. The subsystem-A encodes data, stores data, enables transmission security check, transmission quality check, to transmit the encoded data to the subsystem-B (106-B). Subsystem-B (106-B) is configured to receive and encode the received data from the subsystem-A, where the subsystem-B is configured to encode and transmit each stream specific to each registered device, where the encoded data restricts unauthorized access to the transmitted data.