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Design and Implementation of Trusted Computing Software Stack in Embedded Platform

Author: SunYuQiong
Tutor: XuChengQian
School: Beijing University of Posts and Telecommunications
Course: Signal and Information Processing
Keywords: trusted computing software stack key authrozation
CLC: TP309
Type: Master's thesis
Year: 2011
Downloads: 97
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Abstract


With the rapid development of information technology, incidents that tamper with system security happen frequently and these problems are becoming more and more severe. Now, how to protect endpoint security has become the most important part of security researches and the Trusted Computing was born for this purpose. Trusted Computing commits itself to provide the platform of endpoint, on the basis of Trusted Platform Module (TPM), with trustworthy and reliable information storage and cryptography solution. It has been a hot topic in both theoretical and practical researches. However, current researches of Trusted Computing mainly concentrate on endpoints based on x86 architecture, like PC and servers. To some embedded systems which are tightly related to our lives like cell phone, they did not pay much attention. Since the increasing complexity of embedded systems, more and more malwares such as virus and torjan are likely to run on embedded platform therefore the research in such field is an urgent task.Therefore, we carried out the research on Trusted Computing Software Stack, hoping to establish a solid foundation for the usage of Trusted Computing in embedded environment as well as provide a convenient tool for the future development of security applications based on Trusted Computing.In this paper, we designed and implemented an Embedded Trusted Computing Software Stack which lies between upper-level applications and lower-level hardware TPM. It can provide upper-level applications with standard TSS interfaces and frequently-used TPM functions such as keys usage, bind and seal operations and so on. In addition, this software stack also integrated some TPM managements like key management and authorization protocols.Moreover, in order to test the software stack and demonstrate the usage of interfaces, this paper also worked on a test suit and an AP device integrity reporting scheme.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > General issues > Security and confidentiality
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