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基于票证的安全策略协同模型的设计与实现 被引量:1

Ticket-based model design and formal implementation of security policy coordination
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摘要 为了在异构信息系统之间能够有效地共享资源,就需要在不同的安全策略域之间实现安全策略的协同。该文建立并形式化了安全策略域标识和域关系模型,以及模型实现中两个最关键的问题——全局解析机构和域标识解析的解决方法。进一步,给出了一个基于票证的安全策略协同模型,以一种统一的策略来表示处理系统中的各种授权和访问控制,并用形式化的语言对其进行了描述。从而解决了分散授权模型带来的一些安全问题,较好地实现了授权的集成。 In heterogeneous information systems, some access control technology and policies are adopted to protect the resources. The domain marking and domain relations model are established and formalized and a primitive ticket-based authorization model to coordinate seeurity policies between security policy domains is proposed, after that, the formal description and the computation ofthe privilege are completed.
出处 《计算机工程与设计》 CSCD 北大核心 2006年第24期4635-4637,共3页 Computer Engineering and Design
基金 国家自然科学基金项目(60373078)
关键词 安全策略域 协同 票证 令牌 security policydomain coordination ticket token
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参考文献7

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