与许多读者沟通（智能卡） [英] Communicating with many readers (smart card)

问题描述

你好，



我是智能卡世界的初学者，希望有人在这里获得更多经验可以帮助我解决一些问题我有疑问。



我有一张Mifare卡和一个omnikey读卡器。

我知道存在用于与智能通信的Win 32 API br />
卡，功能如下： SCardEstablishContext 等



我感兴趣，我写了一个Hello World程序，它使用上面的API与我的智能卡对话（我也使用这个文件：

http://www.hidglobal.com/sites/hidglobal.com/files/omnikey_contactless_developer_guide.pdf [ ^ ]），确实

这个意味着我的程序只能使用omnikey读卡器与智能卡通信？或其他读者呢？

Hello,

I am beginner in smart card world and hope someone here with
more experience will help me shed light on some doubts I have.

I have a Mifare card and a omnikey reader.
I know there exists Win 32 API for communicating with smart
card, with functions like: SCardEstablishContext, etc.

I am interested, say I write a Hello World program which
talks to my smart cards using above API (I also use this document:
http://www.hidglobal.com/sites/hidglobal.com/files/omnikey_contactless_developer_guide.pdf[^]), does
this mean my program will be able to talk to smart cards using ONLY using omnikey readers? Or other readers also?

推荐答案

您应该能够将代码用于任何符合SmartCard标准的阅读器，这些标准最多（如果不是全部） 。只需调用SCardListReaders即可获得插入PC的读卡器列表。使用数据的NULL参数调用一次（获取长度），然后根据该长度分配数据存储区域，并使用此数据存储作为参数再次调用SCardListReaders。使用其中一个名称来调用SCardConnect。

You should be able to use the code with any reader that complies with the SmartCard standards, which is most (if not all of them). Just call SCardListReaders to get a list of readers that are plugged into the PC. Call it once with a NULL parameter for the data (to get the length), then allocate a data storage area based on that length and call SCardListReaders again with this data store as a parameter. Use one of the names returned to call SCardConnect.

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