Blockchain Media Authentication via Cryptographic Hashing

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Solution Overview

Problem

Current methods for authenticating media content, such as video and audio recordings, are time-consuming and laborious, often resulting in irreversible damage by the time the truth is known, as sophisticated manipulation tools can create false media streams that appear authentic to the average viewer.

Innovation Solution

A digital distribution ledger-based system, utilizing blockchain technology, generates and stores cryptographic hashes of media content, allowing for efficient and secure authentication by comparing calculated hashes to archived hashes in a distributed ledger, ensuring the integrity and authenticity of media recordings and streams.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If expert analysis is used to authenticate media content, then authentication accuracy is improved, but authentication time increases significantly

Engineering Contradiction:
Improveauthentication accuracyVSAvoidauthentication time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system performs preliminary authentication by generating cryptographic hashes of media content at the source and storing them in a distributed ledger before the content can be manipulated or widely disseminated. This preliminary action creates an immutable reference point that enables rapid verification without requiring time-consuming expert analysis when authentication is needed.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent replaces the mechanical process of expert frame-by-frame analysis with an automated cryptographic verification system. By substituting human expert analysis with algorithmic hash comparison, the system achieves both high accuracy and rapid authentication, resolving the contradiction between reliability and time consumption.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Measurement precision

If traditional authentication methods are used, then thorough analysis is achieved, but the damage from false media content is already done by the time authentication is complete

Engineering Contradiction:
Improveanalysis thoroughnessVSAvoidtime to authentication
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system performs authentication准备工作 in advance by creating and storing cryptographic hashes in a distributed ledger before media content can be manipulated or spread. This preliminary action ensures that when authentication is needed, the system can quickly verify content integrity without the time delays that allow damage to occur.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent introduces cryptographic hashes as an intermediary element between the media content and the authentication process. These hashes serve as a trusted reference that enables rapid verification, eliminating the need for time-consuming analysis while maintaining thorough verification through hash comparison against the distributed ledger.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If cryptographic hashing is implemented for all media content, then authentication speed is improved, but system complexity increases

Engineering Contradiction:
Improveauthentication speedVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system enables self-service authentication by allowing any user to verify media content integrity through simple hash comparison against the distributed ledger. This eliminates the need for complex centralized verification systems, as the distributed nature of the ledger provides built-in authentication capabilities that users can access independently.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent implements a universal authentication mechanism using cryptographic hashes that can verify any type of media content (video, audio, images) through a single standardized process. This multi-functional approach simplifies the system architecture by providing a unified authentication method rather than requiring separate complex systems for different media types.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS11075744B2Blockchain-based media content authentication methods and systems
Publication Date: 2021.07.27 ACRONIS INT
  • US11075744B2 patent drawing
  • US11075744B2 patent drawing
  • US11075744B2 patent drawing

AI summary

Disclosed herein are systems and method for storing media authentication data using a distributed ledger. In one aspect, an exemplary method comprises, receiving, by a processor of a computing node of a plurality of computing nodes, one or more hashes associated with a media content and a timestamp, the computing nodes being communicatively linked, generating a data block that contains at least one of the received hashes, the data block being generated by hashing a hash corresponding to a previous data block of the distributed ledger together with the at least one hash, the at least one hash corresponding to the media content of the data block being generated, transmitting to the plurality of computing nodes, a message reporting an addition of the generated data block, wherein at least some of the plurality of computing nodes maintain at least a partial copy of the distributed ledger.