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A Novel Trusted Terminal Computer Model Based on Embedded System

Author(s): Xi Qin | Chaowen Chang | Changxiang Shen | Li Gao

Journal: Information Technology Journal
ISSN 1812-5638

Volume: 9;
Issue: 4;
Start page: 730;
Date: 2010;
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Keywords: embedded system | untrusted components | Trusted computing | integrity measurement | TPM

In this study, a novel trusted terminal computer model based on embedded system is proposed, which aimed at building secure and trusted computing environments for terminal computers. The model can tolerate untrusted components being on the trusted computer, which doesnt need change hardware structure and operating system on the legacy terminal system. Taking advantage of embedded system and virtual machine, the model assured untrusted components being on the terminal computer cant cause serious information security threats, implement isolation of missions and manage I/O ports and communication resources on the terminal platform so that, the results of actions on it are expected and controlled. Compared with other trusted computing platforms, we can conclude that the trusted terminal model has virtues of permitting untrusted component being on the model, convenience of deploying applications, not needing TPM hardware and supporting legacy system.
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