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A Hierarchical Key Assignment Scheme Based on Diffie-Hellman Algorithm
Author(s): 
Pages: 119-123
Year: Issue:  1
Journal: Acta Electronica Sinica

Keyword:  分层密钥分配DH算法分层访问控制群组密钥管理;
Abstract: 在基于内容的访问控制系统中,主体对客体只有允许访问和拒绝访问两种权限,且主体之间和客体之间都存在一种偏序关系,传统的访问控制策略需要对主客体单独进行管理,效率较低.本文利用其中的偏序关系设计一种分层密钥分配方案,使分配的密钥既能实现保密通信又能达到实施访问控制的目的,提高系统效率.该方案利用客体之间的偏序关系使所有客体形成一个有向无环图,以多方Diffie-Hellman算法为基础为图中每个节点分...
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