Digital content copyright protection method and device based on block chain platform

Abstract

The invention discloses a digital content copyright protection method and device based on a block chain. The method comprises the steps that a digital content encryption packaging tool encrypts digital content to generate a protected digital content work file; the blockchain platform registers the digital content, and writes copyright information and content decryption key information of the digital content into the blockchain; the digital content use tool obtains the protected digital content work file, and requests a digital license of the digital content from the blockchain platform; the block chain platform creates a digital license; the digital content use tool obtains a digital license and uses the digital content. Based on a super distribution principle method, the copyright information and the content decryption key are managed by adopting a block chain, so that the dependence of a traditional copyright protection system on a central server is overcome, and the credible management of the digital content copyright and the digital license is achieved.

Description

technical field [0001] The invention belongs to the technical field of digital copyright protection, and relates to digital content copyright protection technology, in particular to a method and device for digital content copyright protection based on the principle of super distribution and block chain technology. Background technique [0002] It is one of the commonly used digital content copyright protection technical means to protect digital content and control the use of digital content by encrypting digital content and issuing a digital license certificate containing a content decryption key. Existing digital copyright protection systems generally manage digital content through a centralized content server, and the license server is responsible for the creation and issuance of digital licenses. The license server must be credible and reliable to ensure the correct issuance of digital license certificates and accurate counting of authorization information. In actual imp...

AI Technical Summary

Problems solved by technology

Blockchain-based copyright protection applications mainly include: the first type of application, using the blockchain platform for copyright registration, this type of application is only for copyright registration, and the registered content is not used in conjunction with the encryption protection measures of the content

The second type of application is based on the blockchain platform for content transactions, but this type of application only realizes the registration of rights, and corresponding records are made when authorized use and rights transfer occur, and lacks measures for encryption protection and safe distribution of content

That is to say, none of the existing blockchain-based digital content copyright protection applications and solutions involve the application and issuance of digital licenses, and there is also a rapid increase in storage capacity and content storage on the chain. It cannot be separated or the content is separated from the chain, but the use of the content is not controlled, and the license information is stored on the chain, so every time the digital content is used, it must interact with the chain, etc.

In addition, in the current blockchain projects, the transaction speed is generally slow

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