| 组合预测在分销系统辅助决策中的应用 |
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| 引用本文： | 徐 雁,陈新度,陈 新.组合预测在分销系统辅助决策中的应用[J].计算机工程,2008,34(13):221-223,. |
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| 作者姓名： | 徐 雁 陈新度 陈 新 |
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| 作者单位： | [1]中国科学院计算技术研究所,北京100080 [2]中国科学院研究生院,北京100080 |
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| 基金项目： | 国家自然科学基金
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中国科学院知识创新工程基金 |
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| 摘 要： | 高级内容访问系统(AACS)是蓝光光盘和HD DVD采用的安全标准.该文通过剖析AACS,提出使用软件解密的多处漏洞,给出以AES算法为核心的密钥管理系统(SMS).该解密系统采用硬件实时解密,已经在数字电影服务器中使用,可以有效避免软件解密的多种问题.密钥管理系统还采取了额外的措施保护固化的密钥.
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| 关 键 词： | 高级内容访问系统 AES算法 密钥管理系统 |
| 修稿时间： | |
Application of Composite Prediction in Assistant Decision-making of DRP System |
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| ZHU Zhen-hua,WANG Xi-shuang,WANG Guo-hui,WANG Zhen-song.Application of Composite Prediction in Assistant Decision-making of DRP System[J].Computer Engineering,2008,34(13):221-223,. |
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| Authors: | ZHU Zhen-hua WANG Xi-shuang WANG Guo-hui WANG Zhen-song |
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| Affiliation: | (1. Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100080; 2. Graduate University of Chinese Academy of Sciences, Beijing 100080) |
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| Abstract: | Blu-ray disc and HD DVD use Advanced Access Content System(AACS) to protect the media content. This paper analyzes the AACS, and finds the software decryption has many problems. It proposes Security Management System(SMS) which uses the Advanced Encryption Standard(AES) algorithm for decryption and encryption. It is implemented by hardware. It can avoid many problems which implement in software. The SMS takes some special measures to protect the AES keys which are deposited in the device. |
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| Keywords: | Advanced Access Content System(AACS) Advanced Encryption Standard(AES) Security Management System(SMS) |
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