一、概述 小巧易用的智能卡作为新一代的电子支付手段。在我们的日常生活中扮演着越来越重要的角色。我们在购物或旅行时，可以只带着“电子钱包”，而不必再使用笨重的硬币和易坏的纸钞。我们可以使用智能卡来启动加油机，给汽个加油。我们也可以利用“数字签名”来签署一份重 First, an overview of small and easy to use smart card as a new generation of electronic payment means. In our daily life plays an increasingly important role. When shopping or traveling, we can only carry “electronic wallet”, without having to use bulky coins and perishable notes. We can use a smart card to start the dispenser, to a gas. We can also use “digital signatures” to sign a copy