With the solution, the dynamic download, refreshment and deletion in Multi-applicationcard system can be accomplished safely.
通过此方案的实施，安全地实现了“一卡多用”系统中应用的动态下载、更新和删除。
2
Finally the security of this system wais discussed. With the solution, the dynamic download, refreshment and deletion in Multi-applicationcard system can be accomplished safely.
通过此方案的实施，安全地实现了“一卡多用”系统中应用的动态下载、更新和删除。
3
Dynamic multi-applicationcard (DMAC) leads the trend of the development in smart card. It can contain multiple applications with the capability of using different applications in different fields.