本文關(guān)鍵詞： 可信計(jì)算 嵌入式配電終端 可信啟動(dòng) 完整性度量　出處：《華北電力大學(xué)(北京)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著計(jì)算機(jī)技術(shù)的迅速發(fā)展和智能電網(wǎng)建設(shè)的迅速推進(jìn),越來(lái)越多的智能配電終端作為電力系統(tǒng)的一種關(guān)鍵設(shè)備終端被廣泛應(yīng)用于智能電網(wǎng)中。雖然智能配電終端的引入給電力系統(tǒng)帶來(lái)了諸如便利性等很多優(yōu)勢(shì),同時(shí)也帶來(lái)了一定的信息安全問(wèn)題,因此對(duì)嵌入式智能配電終端的安全研究具有重要的現(xiàn)實(shí)意義�？尚庞�(jì)算技術(shù)作為信息安全的一種解決方案,為嵌入式配電終端的安全性提供了一種新的解決思路。本文分析了現(xiàn)有的可信計(jì)算的啟動(dòng)過(guò)程和完整性度量模型,設(shè)計(jì)了一種加入驗(yàn)簽功能并在終端平臺(tái)通用的改進(jìn)型可信啟動(dòng)流程；在可信計(jì)算靜態(tài)完整性度量的基礎(chǔ)上,提出了一種以進(jìn)程為度量對(duì)象的靜態(tài)度量與動(dòng)態(tài)度量相結(jié)合的完整性度量機(jī)制。本文在對(duì)可信計(jì)算的啟動(dòng)過(guò)程和完整性度量模型進(jìn)行改進(jìn)的基礎(chǔ)上,對(duì)基于可信計(jì)算嵌入式配電終端的軟硬件進(jìn)行了設(shè)計(jì)與部分模塊的實(shí)現(xiàn)。選用32bitMIPS核CPU作為可信芯片的處理器,并對(duì)可信芯片的管腳進(jìn)行了設(shè)計(jì)。在嵌入式可信配電終端的軟件方面,運(yùn)用了嵌入式可信軟件棧、文件加密模塊、訪問(wèn)控制模塊和安全策略管理模塊等,提高了嵌入式配電終端的可信性與安全性。最后,本文對(duì)設(shè)計(jì)的嵌入式可信軟件基進(jìn)行了功能測(cè)試和性能測(cè)試,結(jié)果表明設(shè)計(jì)的可信軟件具有很好的可靠性。
[Abstract]:With the rapid development of computer technology and the rapid development of smart grid construction. More and more intelligent distribution terminals are widely used in smart grid as one of the key equipment terminals in power system, although the introduction of intelligent distribution terminals has brought many advantages such as convenience to the power system. At the same time, it also brings some information security problems, so the research on the security of embedded intelligent distribution terminal has important practical significance. Trusted computing technology as a solution to information security. It provides a new solution for the security of embedded distribution terminal. This paper analyzes the existing trusted computing startup process and integrity measurement model. An improved trusted startup process is designed, which can be used in the terminal platform by adding the check sign function. Based on trusted computing static integrity metrics. This paper proposes an integrity measurement mechanism which combines static measurement and dynamic measurement with process as the measurement object. This paper improves the process and integrity measurement model of trusted computing. The hardware and software of embedded distribution terminal based on trusted computing are designed and some modules are implemented. 32 bit MIPS core CPU is selected as the processor of trusted chip. In the software of embedded trusted distribution terminal, the embedded trusted software stack, file encryption module, access control module and security policy management module are used. The reliability and security of the embedded distribution terminal are improved. Finally, the function test and performance test of the embedded trusted software base are carried out in this paper. The results show that the designed trusted software has good reliability.
【學(xué)位授予單位】：華北電力大學(xué)(北京)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TP309;TM76

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