Abstract: A trusted computer system is based on the common computer by researching the embedded system. In the system, a security card is embedded on the motherboard, and the kernel of Linux is modified and improved. The trusted computer has good security and scalability, which can be used in many areas.>School of Computer, Wuhan University, Wuhan 430072

Key words: Embedded system; Embedded security system; Trusted computer; Linux

摘要： 通过对嵌入式系统的研究，在通用计算机的主板上嵌入一个安全管理芯片卡，并设计了相应的操作系统来管理安全芯片，在主机部分对Linux 操作系统底层和内核进行改进，建立了一个可信计算机系统，该系统具有良好的安全性和可扩充性，可应用各种高端安全系统。

关键词: 嵌入式系统；嵌入式安全系统；可信计算机；Linux