Drm gives digital - content publishers the ability to securely distribute high - value content such as periodicals , books , photographs , educational material , video , and research and to control the use of that content , preventing unauthorized distribution . noakes - fry , oct 2000 数字版权管理给数码内容出版者能力，让他们安全地发放具价值的内容譬如期刊、书本、照片、教育资料、影像和研究，及有效地控制内容的使用,阻止未经授权的流通
The first generation of digital rights management systems focused mainly on security and encryption as a means of solving the issue of unauthorized copying , limiting the distribution to only those who pay . today , drm has evolved to cover the description , identification , trading , protection , monitoring and tracking of all forms of digital or physical assets 第一代数字版权管理系统主要集中在安全和加密上来解决未经授权的复制,限制文档只在购买者中流通.今天,数字版权管理发展已涵盖到名称,识别,交易,保护,管理和跟踪所有形式的数码或有形资产上
