摘要： “一卡多用”操作系统是智能卡发展的必然趋势,如何实现应用的安全动态下载、更新和删除便成为了其中的关键问题。该文在分析了“一卡多用”的系统体系结构的基础上,设计了新的应用下载、更新和删除的实现机制,并详细描述了应用下载单元、应用下载证书和应用删除证书所应具备的内容,最后对应用下载、删除和更新进行了安全性分析。

关键词: 智能卡, 一卡多用, PKI技术

Abstract: Multi-application card operation system leads the trend of the development in smart card.The key problems include dynamic download,refresh and deletion of applications.This paper analyzes the architecture of multi-application system and design the mechanism of dynamic download,refresh and deletion of applications.Then the design of the application load unit(ALU),application load certificate(ALC) and the application delete certificate(ADC) is also given in detail.Finally the security of dynamic download,refresh and deletion of applications are discussed.

中图分类号: 

• TP311.52