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| 1 | Research on trusted computing and its development显示文摘Trusted computing is a novel technology of information system security. It has become a new tide in worldwide information security area and achieved inspiring accomplishment. In China, the initiative research of trusted computing is not late, and the achievements are plentiful and substantial. Our country is in the front rank of the world in trusted computing. This paper comprehensively illustrates the recent development in theory and technology of trusted computing, introduces some improvements in trusted computing in our country, and proposes our opinions and viewpoints towards the existing problems in trusted computing and its future development. | SHEN ChangXiang ZHANG HuanGuo WANG HuaiMin WANG Ji ZHAO Bo YAN Fei YU FaJiang ZHANG LiQiang XU MingDi | 2010 | Science China(Information Sciences)2010,53,3: | 37 |
| 2 | Survey on Key Technology Development and Application in Trusted Computing显示文摘Trusted computing,which can effectively increase the credibility of information system,has made great achievements and is in continuous development. For country who is going to strengthen network construction like China,it is an important fundamental supporting technology worth researching. China is in the international forefront in the field of trusted computing. This paper gives comprehensive introductions to the new development and application of key technologies in trusted computing,such as various trusted platform modules(TPM、TCM、TPCM),TCG Software Stack(TSS),trusted cloud server and Trusted Execution Environment(TEE). We illustrate the progressing and application extension of these technologies and also point out some key problems worth studying in the future. | Juan Wang Yuan Shi Guojun Peng Huanguo Zhang Bo Zhao Fei Yan Fajiang Yu Liqiang Zhang | 2016 | China Communications2016,13,11: | 7 |
| 3 | Development of Trusted Computing Research显示文摘Trusted computing is the new trend of information security today. This paper surveys the theory and technology of trusted computing. The development history of trusted computing, and the development of trusted computing in China are introduced in this paper,and then it analyzes some problems of trusted computing at present which are delay in theory research, some key technologies to be developed and lack of trusted software system. Some fields are worthy to be explored on are pointed out including key technology, basic theory and application in trusted computing. | ZHANG Huanguo LUO Jie JIN Gang ZHU Zhiqiang YU Fajiang YAN Fei | 2006 | Wuhan University Journal of Natural Sciences2006,11,6: | 4 |
| 4 | Design and Implementation of a Bootstrap Trust Chain显示文摘The chain of trust in bootstrap process is the basis of whole system trust in the trusted computing group (TCG) definition. This paper presents a design and implementation of a bootstrap trust chain in PC based on the Windows and today’s commodity hardware, merely depends on availability of an embedded security module (ESM). ESM and security enhanced BIOS is the root of trust, PMBR (Pre-MBR) checks the integrity of boot data and Windows kernel, which is a checking agent stored in ESM. In the end, the paper analyzed the mathematic expression of the chain of trust and the runtime performance compared with the common booting process. The trust chain bootstrap greatly strengthens the security of personal computer system, and affects the runtime performance with only adding about 12% booting time. | YU Fajiang ZHANG Huanguo | 2006 | Wuhan University Journal of Natural Sciences2006,11,6: | 1 |
| 5 | Intrusion Detection Model Based on Incomplete Information Ga me in Wireless Mesh Networks显示文摘Wireless Mesh Networks (WMNs) have many applications in homes, schools, enterprises, and public places because of their useful characteristics, such as high bandwidth, high speed, and wide coverage. However, the security of wireless mesh networks is a precondition for practical use. Intrusion detection is pivotal for increasing network security. Considering the energy limitations in wireless mesh networks, we adopt two types of nodes: Heavy Intrusion Detection Node (HIDN) and Light Intrusion Detection Node (LIDN). To conserve energy, the LIDN detects abnormal behavior according to probability, while the HIDN, which has sufficient energy, is always operational. In practice, it is very difficult to acquire accurate information regarding attackers. We propose an intrusion detection model based on the incomplete information game (ID-IIG). The ID-IIG utilizes the Harsanyi transformation and Bayesian Nash equilibrium to select the best strategies of defenders, although the exact attack probability is unknown. Thus, it can effectively direct the deployment of defenders. Through experiments, we analyze the performance of ID-IIG and verify the existence and attainability of the Bayesian Nash equilibrium. | Chen Jing Du Ruiying Yu Fajiang Zheng Minghui Zhang Huanguo | 2012 | China Communications2012,9,10: | 1 |
| 6 | Static Analysis-Based Behavior Model Building for Trusted Computing Dynamic Verification显示文摘Current trusted computing platform only verifies application's static Hash value, it could not prevent application from being dynamic attacked. This paper gives one static analysis-based behavior model building method for trusted computing dynamic verification, including control flow graph (CFG) building, finite state automata (FSA) constructing, εrun cycle removing, εtransition removing, deterministic finite state (DFA) constructing, trivial FSA removing, and global push down automata (PDA) constructing. According to experiment, this model built is a reduced model for dynamic verification and covers all possible paths, because it is based on binary file static analysis. | YU Fajiang YU Yue | 2010 | Wuhan University Journal of Natural Sciences2010,15,3: | 0 |
| 7 | Remote Attestation for Intelligent Electronic Devices in Smart Grid Based on Trusted Level Measurement显示文摘To reduce the implementation complexity and excessive overhead caused by remote attestation,we propose a new remote attestation scheme based on trusted level measurement considering the limited system resources of the Intelligent electronic devices(IEDs)in smart grid.In this scheme,a lightweight trusted level measurement mechanism is designed,and a new dynamic weighted multi-classifier integration method based on Binary tree Support vector machine(BT-SVM)is proposed.The trusted level of configuration information and running state of an IED are measured through trusted third party.The measurement parameters and attestation period are dynamically adjusted according to different trusted levels of an IED,so that reducing computational overhead and communication delays in remote attestation process.Analysis and experiments show that the proposed scheme can enhance the security of IEDs in smart grid by occupying a small amount of computation and communication resources. | WANG Yong LI Jun’e CHEN Xiong LIN Hai YU Fajiang LUO Jianbo | 2020 | Chinese Journal of Electronics2020,29,3: | 0 |