UEFI Remote Attestation for Hardware-Sealed DRM Content
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Solution Overview
Problem
Existing digital rights management technologies are vulnerable to attacks and inconvenient for users and content creators, as they often require cumbersome server infrastructure and are susceptible to hacking, leading to unauthorized use and distribution of digital media.
Innovation Solution
A system utilizing Unified Extensible Firmware Interface (UEFI) applications and platform-specific cryptographic entropy for secure digital rights management, performing authentication and encryption before the operating system initiates, with UEFI enclaves facilitating remote attestation and on-die cryptography to verify and seal digital media.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If authentication servers and remote verification technologies are used to manage digital rights, then content distribution control is improved, but system complexity and vulnerability to attacks increase
Solution Approach 1:
The patent extracts the authentication and verification functions from external servers and relocates them to embedded cryptographic hardware (TPM) within the user's device. The Trusted Platform Module performs digital rights verification locally without requiring continuous connection to authentication servers, thereby reducing server infrastructure complexity while maintaining content distribution control.
Solution Approach 2:
The system enables self-service authentication where the TPM hardware automatically verifies digital rights and manages encryption keys without human intervention. The cryptographic module performs self-contained verification operations using hardware-based cryptography, eliminating the need for complex server infrastructure and manual authentication processes.
2Reliability
If encryption and regional lock-outs are implemented to secure digital content, then content protection is improved, but usability and portability deteriorate
Solution Approach 1:
The patent applies local quality by implementing device-specific encryption using the unique cryptographic identifier stored in the TPM. Each device receives encryption keys tailored to its specific hardware characteristics, creating localized security measures that protect content without requiring complex regional lock-out systems. This enables seamless portability across different devices while maintaining robust protection.
3Reliability
If product keys and authentication servers are used for digital rights management, then content distribution control is improved, but security against attacks deteriorates
Solution Approach 1:
The patent replaces software-based authentication mechanisms (product keys, server-based verification) with hardware-based cryptographic systems. The TPM uses hardware encryption and cryptographic operations to secure digital rights, making the system resistant to software-based attacks such as key leakage and server compromise. The hardware-level cryptography ensures that even if software is compromised, the cryptographic keys remain secure.
Data Source
AI summary
A system for digital rights management including a processor in a platform and a memory device comprising instructions that when executed configure the processor to perform operations. The operations may include determining whether a digital media is locally installed in a platform before initiating an operating system, and launching a first UEFI application configured to generate attestation data and communicate attestation based data to a server through an encrypted medium in response to determining the digital media is not installed. The operations may also include receive a binary file of the digital media and a first decryption key and performing a sealing of the binary file using a sealing enclave of the first UEFI application and generating a local decryption second key based on the first key and local entropy. The operations may also include installing the sealed binary file on local storage.