【摘要】：嵌入式系統(tǒng)是以計(jì)算機(jī)技術(shù)為基礎(chǔ)，以應(yīng)用為主體，軟硬件可調(diào)整，對(duì)成本、功能、功耗、體積、可靠性有著非常高標(biāo)準(zhǔn)要求的專用計(jì)算機(jī)系統(tǒng)。嵌入式技術(shù)的快速發(fā)展使嵌入式系統(tǒng)的應(yīng)用遍及工業(yè)控制、航天、金融、信息家電、醫(yī)療、通信、軍事等各個(gè)領(lǐng)域，同時(shí)也使嵌入式系統(tǒng)安全問題變得日益凸顯。如何保證嵌入式系統(tǒng)在各種威脅環(huán)境下的能夠持續(xù)提供服務(wù)，顯得尤為重要，這正是嵌入式系統(tǒng)可生存性研究的問題。嵌入式系統(tǒng)可生存性可描述為遭受攻擊、故障或意外情況時(shí)，系統(tǒng)利用生存性策略形成抵抗攻擊、識(shí)別威脅、系統(tǒng)恢復(fù)功能使其繼續(xù)提供關(guān)鍵服務(wù)的能力。 本文從系統(tǒng)環(huán)境、系統(tǒng)威脅、系統(tǒng)可生存性需求、系統(tǒng)可生存性策略四個(gè)方面入手，建立了一套嵌入式系統(tǒng)可生存性評(píng)估系統(tǒng)。主要貢獻(xiàn)和創(chuàng)新點(diǎn)為：對(duì)嵌入式系統(tǒng)進(jìn)行了形式化定義；根據(jù)嵌入式系統(tǒng)特點(diǎn)將系統(tǒng)抽象成一個(gè)分層結(jié)構(gòu)模型，并研究各層的可生存性策略，分析系統(tǒng)可能面臨的各種威脅，，結(jié)合系統(tǒng)可生存性需求，提出了一套嵌入式系統(tǒng)可生存性分析模型；建立了嵌入式系統(tǒng)可生存性定量評(píng)估指標(biāo)體系；分析現(xiàn)有系統(tǒng)評(píng)估方法特點(diǎn)確定了嵌入式系統(tǒng)可生存性評(píng)估方法并設(shè)計(jì)了評(píng)估流程；采用Java開發(fā)語言實(shí)現(xiàn)了嵌入式系統(tǒng)可生存性評(píng)估系統(tǒng)，通過實(shí)例驗(yàn)證了系統(tǒng)的可行性和有效性。
[Abstract]:Embedded system is a special computer system which is based on computer technology, mainly based on application, adjustable software and hardware, and has very high standard requirements for cost, function, power consumption, volume and reliability. With the rapid development of embedded technology, embedded systems are widely used in industrial control, aerospace, finance, information appliances, medical, communication, military and other fields. At the same time, the security problems of embedded systems become increasingly prominent. How to ensure that embedded systems can continue to provide services in a variety of threat environments is particularly important, which is the problem of embedded system survivability research. The survivability of embedded system can be described as the ability to use survivability strategy to resist attacks, identify threats and restore the system to continue to provide critical services in the event of attack, failure or accident. In this paper, a set of embedded system survivability evaluation system is established from four aspects: system environment, system threat, system survivability requirement and system survivability strategy. The main contributions and innovations are as follows: the formal definition of embedded system is carried out; According to the characteristics of embedded system, the system is abstracted into a hierarchical structure model, and the survivability strategy of each layer is studied, and the various threats that the system may face are analyzed, combined with the survivability requirements of the system. A set of survivability analysis model of embedded system is proposed. The quantitative evaluation index system of embedded system survivability is established, the characteristics of existing system evaluation methods are analyzed, and the evaluation method of embedded system survivability is determined and the evaluation process is designed. The survivability evaluation system of embedded system is realized by Java development language, and the feasibility and effectiveness of the system are verified by an example.
【學(xué)位授予單位】：國(guó)防科學(xué)技術(shù)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類號(hào)】：TP368.1

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 劉文清;韓乃平;陳U

本文編號(hào)：2488016