数字版权管理

Introduction of digital right management

随着宽带网络的迅速发展,从网上下载电子书、音乐、电影和软件等数字多媒体内容已经是一件司空见惯的事情。但是传统的网上下载方式无法实现对这些数字多媒体内容的版权保护,尤其是离线版权保护,因此市场上广泛地传播着大量来自于网上的数字多媒体内容,而它们的版权问题却无法得到有效的控制。 DRM(Digital rights management)数字版权管理。

This paper is an overview of digital rights management(DRM).With the (?)se of requirement of information communication and the development of internet,content protection technology has already been the key technology of information technologies.In this paper,we will discuss current digital rig(?)agements today,and hope readers can learn some basic concept and methods.