基于USB接口密码模块的可信计算平台设计

Design on Trusted Computing Platform based on USB-Interface Crypto Module

针对普通个人计算机存在的安全风险,提出了基于USB接口密码模块建立信任链传递机制构建高安全等级PC终端计算平台的思路,梳理了基于USB接口密码模块的可信引导过程,对USB接口密码模块的软硬件体系结构设计和关键技术进行了分析。USB接口密码模块的可信计算平台的建立可以极大地降低重要应用系统的安全风险,提高通用计算机平台的安全计算等级。

For the security risk existing in the common PC,this paper proposes some thoughts on constructions of the trust-link transfer mechanism based on USB-interface crypto module and further the high-level security PC computing platform,discusses the trusted guiding process based on USB-interface crypto module,and analyzes software and hardware architecture and key technologies of the USB-interface crypto module.The construction of trusted computing platform based on USB-interface crypto module could remarkably reduce the security risk of important application systems,raise the security-computing level of the general computer platform.