摘要： 分析了数字影院系统和数字版权管理(DRM)技术的特点，介绍了一套应用于数字影院的DRM系统。该系统采用多种内容安全保护机制，结合了加密技术、数字签名技术、版权描述语言、授权管理和分发技术等安全技术，可对用户进行授权和权限管理，保护了数字电影的机密性和完整性。
关键词:
数字影院,
数字版权管理,
授权,
版权描述语言
Abstract: Based on the features of digital cinema system and digital rights management technology, this paper proposes a DRM system for digital cinema. Manifold security technologies are adopted, such as encryption technology, digital signature technology and right expression language technology. This system can grant and manage the users’ rights, and protect the digital films’ confidentiality and integrity.
Key words:
Digital cinema,
Digital rights management(DRM),
Authorization,
Right expression language
武 蓓;朱晓东;陈 君;曾学文;王劲林. 数字影院中数字版权管理系统的研究与实现[J]. 计算机工程, 2007, 33(01): 139-141.
WU Bei; ZHU Xiaodong; CHEN Jun; ZENG Xuewen; WANG Jinglin. Research and Implementation of Digital Rights Management System for Digital Cinema[J]. Computer Engineering, 2007, 33(01): 139-141.