基于龙芯处理器的可信计算机研究与设计

Research and Design of Trusted Computer Based on Loongson CPU

随着龙芯处理器芯片的日益成熟,基于龙芯处理器嵌入式计算机产品在军事等领域得到应用,为满足特定应用领域的安全可信需要,实现计算机终端系统的安全性、数据保密性和可用性,以国产龙芯处理器为例,通过分析处理器的硬件架构与工作原理,结合可信计算技术,重点分析了基于龙芯处理器的可信计算机体系结构、信任根的构建、信任链传递机制,提出了可信软件协议栈设计思路,实际应用中验证了基于龙芯处理器可信计算机设计方法的可行性和正确性。

With the development of homemade Ioongson CPU,the computer based on Ioongson CPU have been used during the military affairs system.In order to satisfy the special application with high security and trust,realize the security,data secrecy, usability of the computer,the paper take the Ioongson CPU for an example, by analyzing the hardware buildup and function of Ioongson CPU.According the trusted computer technology,expatiate the design of the root of trust,trusted chain and Trusted Software Stack,bring forward the method of design the trusted computer based on homemade CPU.