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首先介绍了一种实现多COS功能的新型智能卡概念UCard及其体系结构与基本特征.接着在分析了发卡商对UCard安全性的要求后,给出了UCard安全性的三个目标:COS安全地分配到独立的存储空间中;运行的COS不能访问到其他COS数据;运行结束的COS的信息不能被以后的COS获取到.然后围绕这三个目标详细论述了UCard在发卡时、COS运行时及运行结束后的安全性问题、原理及可能的实现.
First introduced a new concept of multi-COS smart card concepts UCard and its architecture and basic features.Secondly, after analyzing the issuer’s requirements for UCard security, UCard security has three goals: COS safe Assigned to a separate storage space; running COS can not access to other COS data; the COS end of the operation information can not be obtained later COS.Then around the three objectives of a detailed discussion of UCard card issuance, COS runtime and After the end of the operation of the security issues, principles and possible implementation.