Method and system for limiting using part of using medium content

Abstract

This invention discloses a method and a system for limiting the using party of media content, in which, said system includes: a limitation issuance party, the copyright agent in a user terminal, a current trigger using party and a media player, the method includes: a copyright agent in the user terminal gets the copyright control information carrying the current media content of the using party identification and receives the limit verification request carrying the current trigger using party identification of the current media content, it is judged that if the current trigger using party can trigger and play the current media content based on the using party identification in the copyright control information and the current using party identification carried in the limitation verification request, if so, it provides the deciphered current media content to the media player, otherwise, it forbids the player to play the content.

Description

technical field [0001] The present invention relates to digital rights management (DRM) technology, in particular to a method and system for restricting users of media content. Background technique [0002] DRM technology is a new technology developed with the widespread spread of streaming media on the Internet. The purpose of DRM technology is to protect the copyright of digital content, technically increase the technical threshold and cost of piracy, and ensure that only users who purchase copyright can enjoy digital content under the condition of abiding by copyright rules. [0003] The basic realization principle of DRM technology is: the publisher of the media content encrypts the media content in the form of a digital signal and uploads it to the network; the user terminal downloads the encrypted media content from the network to the copyright agent (DRM Agent) inside the user terminal; The DRM Agent inside the user terminal obtains the copyright control information ...

AI Technical Summary

Problems solved by technology

[0004] It can be seen from the above description that in the prior art, the rights information obtained by the user terminal from the rights issuer does not include the information of the specific users who can use the media content on the user terminal side, that is, there is no Restrict what kind of application program in the user terminal or whether the user can trigger the playback of the media content as the user, thus greatly reducing the media content provider's control over the media content usage rights, and damaging the media content provider Interests

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