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(C#) ScMinidriver - Import Private Key to Smart Card
Demonstrates how to import a private key to the "signature" or "key exchange" location in the Nth key container on a smart card.
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Chilkat recommends the following free tool for interactively examining the contents of your smart card
// through the ScMinidriver interface: MGTEK Tool for Minidriver enabled Smart Cards
// Let's first look at our smart card before importing a private key.
// Here's the view of our Gemalto (Thales) IDPrime MD T=0 smart card in the MGTEK tool:
// First let's load a private key into the Chilkat private key object.
// (Chilkat provides the ability to load private keys from many different sources and formats.
// this example loads from a PEM file.)
Chilkat.PrivateKey privKey = new Chilkat.PrivateKey();
bool success = privKey.LoadPemFile("qa_data/rsa/rsaPrivKey_pkcs8.pem");
if (success == false) {
Debug.WriteLine(privKey.LastErrorText);
return;
}
Chilkat.ScMinidriver scmd = new Chilkat.ScMinidriver();
// First we need to acquire a context to the smart card in the reader where it is inserted.
// Reader names (smart card readers or USB tokens) can be discovered
// via List Readers or Find Smart Cards
string readerName = "Alcor Micro USB Smart Card Reader 0";
success = scmd.AcquireContext(readerName);
if (success == false) {
Debug.WriteLine(scmd.LastErrorText);
return;
}
// If successful, the name of the currently inserted smart card is available:
Debug.WriteLine("Card name: " + scmd.CardName);
// To import a private key, we'll need to be PIN authenticated.
// For more details about smart card PIN authentication, see the Smart Card PIN Authentication Example
string pinId = "user";
int retval = scmd.PinAuthenticate(pinId,"0000");
if (retval != 0) {
Debug.WriteLine("PIN Authentication failed.");
scmd.DeleteContext();
return;
}
// Let's import into the "key exchange" position in key container #7.
success = scmd.ImportKey(7,"kex",privKey,"user");
if (success == false) {
Debug.WriteLine("PIN Authentication failed.");
scmd.DeleteContext();
return;
}
scmd.DeleteContext();
Debug.WriteLine("Success.");
// Here's the MGTEK view of the smart card after importing the private key:
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