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c#smartcardapdu

How to write files on smart cards in C#

I'd like to write to file in a processor smart card that accepts APDU commands. Do you know any examples in C# or smartcard sdk?

Has anyone used http://code.google.com/p/pcsc-sharp/?

Solution

  • First, you need to create a managed wrapper for WinScard dll. WinScard is Microsoft's implementation of PC/SC. You will need this dll to send and receive APDUs from the card.

    Next, you need to know what is the OS of the smart card you are going to use. You must have the API documentation of the smart card. This will help you construct the correct APDUs for writing a file. In the smart card world, there is no single, generic way to create a file. It all depends on the card's OS.