Abstract: Aiming at security problems in software restructural download of embedded system, a secure start-up flow for restructural embedded system is designed. The management mode of hardware storage is researched. The code co-processor is integrated and implemented. Simulation experimental results show this flow can identify the validity of system download software, and when the code is legitimate but malice, it can guarantee the chip security.

Key words: embedded system, security, flexibility, start-up flow

摘要： 针对嵌入式系统的软件可重构下载中存在的安全性问题，设计一种可重构嵌入式系统的安全启动流程，研究硬件存储区管理模式，对密码协处理器进行集成，并加以实现。仿真实验结果表明，该流程能够使系统对下载软件的合法性进行验证，当下载代码合法但为恶意时，可以保证芯片自身安全性。

关键词: 嵌入式系统, 安全性, 灵活性, 启动流程

CLC Number: 

• TP311.52