可信计算环境下基于进化理论的层信任模型实现  

Implementation to Layered Model Based on Evolutionary Theory in Trusted Computing Environment

作　　者：周毅[1] 郑雪峰[1] 于义科[1] 

机构地区：[1]北京科技大学信息工程学院计算机系,北京100083

出　　处：《电信科学》2010年第6期86-94,共9页Telecommunications Science

基　　金：国家自然科学基金资助项目(No.60674054)

摘　　要：本文采用形式化的方法,借鉴和吸收生物学、经济学、社会科学等相关学科的理论,对可信计算进行深入分析,并进行严格的逻辑推理证明,提出了基于进化理论的层信任模型。该模型在逻辑结构上定义了可信计算环境基本的信任链和可信层,物理结构上通过广电网的基于法定权利义务关系的可信根广播和在可信终端建立基于可信存储的可信根来实现可信计算环境。该模型使得现有通用计算平台也适用于可信计算环境,提出了解决可信计算环境的外部性和公正性的方法,减少了可信终端主动防御带来的验证开销,用较小的代价实现了可信计算环境下可信计算实体的可信度收敛。In the dissertation,after analysis and rigorous logic about the trusted computing,used formal methods and learned from theories on biology,economics,the social sciences and other related disciplines to establish the trust model in the trusted computing environment.Through the definition to trusted chain and trusted layer as well as description of credibility in three main attributes,the logical structure is realized.Through trusted root broadcasting based on legal rights and obligations in broadcast networks,and establishing trusted root based on trusted storage in trusted terminal,physical structure in trusted computing environment is achieved.The implementations make the common computing platform suitable for trusted computing environment,solved the external and fairness issues in trusted computing environment,and reduced validation overhead brought from proactive of trusted terminal.Eventually,in this way,could achieve the maximize use of existing computing environments,at the same time implement the trusted computing environment with a smaller price.

关 键 词：可信计算 可信计算环境 信任模型 

分 类 号：TP393.1[自动化与计算机技术—计算机应用技术]