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AACS设备密钥存储与吊销的改进方案
Authors
杨慧慧
赵险峰
Publication date
1 January 2011
Publisher
Abstract
AACS是一种内容散布和数字版权管理的标准,通过吊销设备密钥来吊销非法的设备,并且采用子集差分树技术对数量庞大的设备密钥进行管理.根据子集差分树原理,每个设备需要存储大量的设备密钥.在被吊销设备的分布是随机和均匀的这一合理假设条件下,对AACS的设备密钥存储方案进行了改进.改进后,每个设备存储的密钥数量减少,并且合法设备被划分的子集个数仅仅稍微增加
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Institute Of Software, Chinese Academy Of Sciences
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Last time updated on 30/12/2017