摘要
为了充分利用智能卡芯片有限的资源,开发出高效的、易扩充的芯片操作系统(COS),研究了智能卡COS设计和实现方法。介绍了智能卡COS的体系结构,设计了结构模型,从COS的主守护流程、通信管理、文件系统、安全管理和命令解释5个方面论述了智能卡COS的设计与实现。采用中断调度方式节省了系统开销,采用静态存储管理方式节约了存储空间。通过测试验证了COS符合国际标准和行业标准,该系统能正确应用在终端和相应网络环境中,具有良好的兼容性和稳定性。
To develop a high-efficiency and expansive chip operation system （COS） taking full advantage of the hmlted resource of smart card chip, the design and realization method of smart card COS is studied. Firstly, the architecture of smart card COS is introduced and it＇ s structure model is designed. And then the design and implementation of smart card COS is discussed from five aspects such as the main guardian process, communication management, file system, security management and command interpreter. To save the system＇ s spending and storage space, interrupt attempering and static storage management methods are adopted. The COS is validated to accord with international standards and industry standards, and can be applied correctly in the terminal and the corresponding network environment with good compatibility and stability.
出处
《计算机工程与设计》
CSCD
北大核心
2010年第19期4186-4189,4256,共5页
Computer Engineering and Design
基金
广州市越秀区自然科技基金项目(2008-GX-015)
关键词
芯片操作系统
守护流程
文件系统
文件访问控制
命令解释
chip operation system
guardian process
file system
file access control
command interpreter
