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Java

ScMinidriver - Import Private Key to Smart Card

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Demonstrates how to import a private key to the "signature" or "key exchange" location in the Nth key container on a smart card.

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Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.PrivateKey;
import com.chilkatsoft.chilkat2.ScMinidriver;

public class ChilkatExample {

    public static void main(String[] args) {
        // 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:

        // image

        // 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.)
        PrivateKey privKey = new PrivateKey();
        try {
            privKey.loadPemFile("qa_data/rsa/rsaPrivKey_pkcs8.pem");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        ScMinidriver scmd = new 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";
        try {
            scmd.acquireContext(readerName);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // If successful, the name of the currently inserted smart card is available:
        System.out.println("Card name: " + scmd.getCardName());

        // 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) {
            System.out.println("PIN Authentication failed.");
            scmd.deleteContext();
            return;
        }

        // Let's import into the "key exchange" position in key container #7.
        try {
            scmd.importKey(7, "kex", privKey, "user");
        } catch (ChilkatException e) {
            System.out.println("PIN Authentication failed.");
            scmd.deleteContext();
            return;
        }

        scmd.deleteContext();

        System.out.println("Success.");

        // Here's the MGTEK view of the smart card after importing the private key:
        // image
    }
}