本文選題：矢量地理空間數(shù)據(jù)　切入點(diǎn)：訪問(wèn)控制　出處：《南京師范大學(xué)》2013年碩士論文

【摘要】：訪問(wèn)控制技術(shù)是近年來(lái)信息安全領(lǐng)域研究的熱點(diǎn)之一,它通過(guò)審核用戶的操作權(quán)限來(lái)保證數(shù)據(jù)的安全,可以在數(shù)據(jù)安全事件發(fā)生之前進(jìn)行預(yù)防和控制。互聯(lián)網(wǎng)的普及導(dǎo)致矢量地理空間數(shù)據(jù)的盜版、非法傳播及侵權(quán)變得越來(lái)越猖獗,矢量地理空間數(shù)據(jù)的安全共享和版權(quán)保護(hù)問(wèn)題也日益凸顯。訪問(wèn)控制技術(shù)的發(fā)展為矢量地理空間數(shù)據(jù)的安全提供了一種嶄新的解決方法,然而由于數(shù)據(jù)存儲(chǔ)和處理方式的特殊性,使得傳統(tǒng)訪問(wèn)控制方法難以直接應(yīng)用于矢量地理空間數(shù)據(jù),必須根據(jù)其自身的特點(diǎn)研究針對(duì)矢量地理空間數(shù)據(jù)的訪問(wèn)控制技術(shù)與方法。 本文基于傳統(tǒng)訪問(wèn)控制方法以及數(shù)字水印技術(shù),分析矢量地理空間數(shù)據(jù)的特性,圍繞矢量地理空間數(shù)據(jù)的訪問(wèn)控制展開了研究與實(shí)踐,主要包括以下幾個(gè)方面的工作： (1)闡明矢量地理空間數(shù)據(jù)的本質(zhì)特征,闡述了矢量地理空間數(shù)據(jù)與普通電子文檔在數(shù)據(jù)結(jié)構(gòu)、存儲(chǔ)組織、生產(chǎn)應(yīng)用環(huán)境等方面的區(qū)別,分析和總結(jié)了矢量地理空間數(shù)據(jù)在訪問(wèn)控制方面的特殊要求。 (2)分析了傳統(tǒng)文件標(biāo)識(shí)方法和魯棒水印技術(shù)優(yōu)勢(shì),提出了一種基于魯棒水印的矢量地理空間數(shù)據(jù)文件標(biāo)識(shí)模型和方法,在文件標(biāo)識(shí)嵌入前對(duì)其增加分組校驗(yàn)碼約束,提取時(shí)基于校驗(yàn)規(guī)則和置信度對(duì)提取結(jié)果進(jìn)行恢復(fù)。實(shí)驗(yàn)結(jié)果表明,該方法具有好的隱蔽性與魯棒性,并能有效抵抗增加要素、刪除要素、裁剪、平移等常見的數(shù)據(jù)攻擊,有效地解決了矢量地理空間數(shù)據(jù)文件標(biāo)識(shí)問(wèn)題。 (3)根據(jù)矢量地理空間數(shù)據(jù)特征和生產(chǎn)使用環(huán)境的特點(diǎn),分析、總結(jié)訪問(wèn)控制的應(yīng)用需求,闡述了矢量地理空間數(shù)據(jù)訪問(wèn)控制目標(biāo)、策略和系統(tǒng)模型�；贖ook技術(shù)和魯棒水印標(biāo)識(shí),提出了一種矢量地理空間數(shù)據(jù)訪問(wèn)控制方法,并實(shí)現(xiàn)了矢量地理空間數(shù)據(jù)的有效期控制和使用次數(shù)控制,為矢量地理空間數(shù)據(jù)安全問(wèn)題的事先預(yù)防提供了可靠的技術(shù)手段。 (4)基于脆弱水印技術(shù)對(duì)內(nèi)容變化的敏感性,提出了一種矢量地理空間數(shù)據(jù)權(quán)限控制方法,將權(quán)限控制問(wèn)題轉(zhuǎn)化為數(shù)據(jù)內(nèi)容變化檢測(cè)與變化度量問(wèn)題,檢測(cè)并統(tǒng)計(jì)數(shù)據(jù)文件中含脆弱水印信息的坐標(biāo)點(diǎn),根據(jù)含水印信息坐標(biāo)點(diǎn)占總數(shù)據(jù)點(diǎn)的比例度量數(shù)據(jù)內(nèi)容變化,進(jìn)而依據(jù)用戶規(guī)則判定是否還需要繼續(xù)控制該數(shù)據(jù)。解決了矢量地理空間數(shù)據(jù)訪問(wèn)控制過(guò)程中,數(shù)據(jù)內(nèi)容再生產(chǎn)時(shí)出現(xiàn)的控制權(quán)限不明確的問(wèn)題。
[Abstract]:Access control technology is one of the hot research topics in the field of information security in recent years. It can ensure the security of data by checking the user's operation rights and can prevent and control the data security events before the occurrence of data security events.With the popularity of the Internet, the piracy of vector geospatial data, the illegal dissemination and infringement become more and more rampant, and the security sharing and copyright protection of vector geospatial data become increasingly prominent.It is difficult for traditional access control methods to be directly applied to vector geospatial data, so it is necessary to study the access control techniques and methods for vector geospatial data according to its own characteristics.Based on the traditional access control method and digital watermarking technology, this paper analyzes the characteristics of vector geospatial data, and focuses on the research and practice of vector geospatial data access control, mainly including the following aspects of work:(1) clarifying the essential characteristics of vector geospatial data, and expounding the differences between vector geospatial data and ordinary electronic documents in data structure, storage organization, production and application environment, etc.The special requirements of vector geospatial data in access control are analyzed and summarized.In this paper, the advantages of traditional file identification method and robust watermarking technology are analyzed, and a vector geospatial data file identification model and method based on robust watermarking is proposed, which adds block check code constraints before file identification is embedded.At the time of extraction, the extraction result is restored based on the check rule and confidence degree.The experimental results show that the proposed method has good concealment and robustness, and can effectively resist the common data attacks such as adding elements, deleting elements, clipping and translation, thus effectively solving the problem of vector geospatial data file identification.According to the characteristics of vector geospatial data and the characteristics of production and use environment, this paper analyzes and summarizes the application requirements of access control, and expounds the object, strategy and system model of vector geospatial data access control.Based on Hook technology and robust watermark identification, a vector geospatial data access control method is proposed, and the validity period control and the number of times of use of vector geospatial data are realized.It provides reliable technical means to prevent the security of vector geospatial data in advance.4) based on the sensitivity of fragile watermarking technology to content change, a method of vector geospatial data access control is proposed, which transforms the privilege control problem into the problem of data content change detection and change measurement.This paper detects and statistics the coordinate points with fragile watermark information in the data file, measures the change of the data content according to the proportion of the watermark information coordinate points to the total number of points, and then determines whether or not to continue to control the data according to the user rules.In the process of vector geospatial data access control, the control limit of data content reproduction is not clear.
【學(xué)位授予單位】：南京師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：P208;TP309

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 牛少彰,鈕心忻,楊義先,胡文慶;基于拉格朗日插值公式的數(shù)字水印分存算法[J];北京郵電大學(xué)學(xué)報(bào);2003年03期

2 李強(qiáng);閔連權(quán);王峰;楊永強(qiáng);何宏志;;抗道格拉斯壓縮的矢量地圖數(shù)據(jù)數(shù)字水印算法[J];測(cè)繪科學(xué);2011年03期

3 林冰仙;閭國(guó)年;李安波;;GIS矢量數(shù)據(jù)多功能版權(quán)保護(hù)研究[J];測(cè)繪通報(bào);2009年07期

4 胡祺;王芙蓉;郭丙軒;柯俊;王鐵程;;地理空間數(shù)據(jù)安全技術(shù)研究與實(shí)現(xiàn)[J];測(cè)繪信息與工程;2011年04期

5 林家元;方裕;陳斌;;空間數(shù)據(jù)訪問(wèn)控制研究[J];地理與地理信息科學(xué);2008年02期

6 宋宜全;楊荔陽(yáng);;地理信息服務(wù)的數(shù)據(jù)安全機(jī)制研究[J];地理與地理信息科學(xué);2009年06期

7 陳紅梅;葛德江;;SQL Server中基于角色的訪問(wèn)控制應(yīng)用[J];電腦知識(shí)與技術(shù);2008年25期

8 李安波;閭國(guó)年;周良辰;林冰仙;顧竹;;空間數(shù)據(jù)文件的實(shí)時(shí)版權(quán)保護(hù)[J];地球信息科學(xué)學(xué)報(bào);2009年01期

9 王來(lái)剛;王震;;GIS中基于RBAC的空間信息安全研究[J];地理空間信息;2006年04期

10 周小為;;授權(quán)與訪問(wèn)控制策略模型的研究[J];計(jì)算機(jī)安全;2009年01期

相關(guān)博士學(xué)位論文 前2條

1 楊成松;矢量地理數(shù)據(jù)數(shù)字水印模型與算法研究[D];解放軍信息工程大學(xué);2011年

2 王奇勝;矢量地理數(shù)據(jù)數(shù)字水印算法及其應(yīng)用研究[D];解放軍信息工程大學(xué);2012年

相關(guān)碩士學(xué)位論文 前5條

1 邵向陽(yáng);基于HOOK API技術(shù)的進(jìn)程監(jiān)控系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)[D];鄭州大學(xué);2011年

2 左超;地理信息服務(wù)的數(shù)據(jù)訪問(wèn)控制研究[D];南京師范大學(xué);2011年

3 戎健;內(nèi)網(wǎng)主機(jī)訪問(wèn)控制應(yīng)用研究[D];東華大學(xué);2005年

4 吳偉寧;社保審計(jì)數(shù)據(jù)庫(kù)訪問(wèn)控制應(yīng)用研究[D];哈爾濱工程大學(xué);2009年

5 于濤;基于離散余弦變換的矢量地圖水印算法研究[D];哈爾濱工程大學(xué);2009年

，

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