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一种不依赖TPM的安全引导方式的设计与实现 被引量:2
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作者 姚金魁 张涛 +2 位作者 王金双 陈融 施祖清 《计算机技术与发展》 2012年第6期143-146,共4页
在深入研究可信平台模块(TPM)和kexec相关技术的基础上,针对未安装TPM芯片的计算终端设计并实现了一种安全引导方式。该引导方式参考了可信平台模块的安全引导机制,在操作系统启动前,预先启动一个受保护的小型Linux系统,对操作系统的运... 在深入研究可信平台模块(TPM)和kexec相关技术的基础上,针对未安装TPM芯片的计算终端设计并实现了一种安全引导方式。该引导方式参考了可信平台模块的安全引导机制,在操作系统启动前,预先启动一个受保护的小型Linux系统,对操作系统的运行环境进行信任度量,验证BIOS和操作系统的完整性,为操作系统的启动提供一个可信赖的计算环境,然后使用kexec工具切换到磁盘操作系统。经过实验验证,文中设计的引导方式可以为Windows和Linux等多种平台的计算机终端提供安全引导支持,预引导系统验证系统运行环境的时延对系统启动总耗时的影响不明显。该引导方式是一种在不改变现有计算机硬件的基础上实现安全引导,是对现有计算机系统的安全增强措施。 展开更多
关键词 信息安全 安全引导 预引导系统 kexec 完整性度量
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Features of SAS Enterprise Guide for probabilistic Modeling System, Macroeconomic Analysis and Forecasting
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作者 Prosyankina-Zharova Tetyana Terentiev Oleksandrt +1 位作者 Bidyuk Petro2 Makukha Mikhailo 《Journal of Mathematics and System Science》 2016年第3期112-122,共11页
This paper addresses to the problem of using SAS Enterprise Guide 6.1 as a means for building probabilistic models and as optimum method of modeling gross domestic product in terms of the economic crisis and social th... This paper addresses to the problem of using SAS Enterprise Guide 6.1 as a means for building probabilistic models and as optimum method of modeling gross domestic product in terms of the economic crisis and social threats is proposed. Today in a complex socio-political and economic situation growing influence of external factors, presence of uncertainties and risks there exists a problem of anticipating potential threats in the humanitarian and social spheres and ways to overcome them aiming to provide food security and controllability of ecological situation. All these problems, as reported in the NATO program "Science for Peace and Security", are of high priority for the countries that need to take into account threats to security, including Ukraine. That is why in the framework of the project NUKR. SFPP G4877 "Modeling and Mitigation of Social Disasters Caused by Catastrophes and Terrorism" the problems of scientific prediction of national economy for the period to 2030 as one of the measures preventing growth of social tension in the country are disclosed. 展开更多
关键词 Bayesian networks DATA-MINING forecasting modeling of gross domestic product
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