(Android™) 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.

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // 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.)
    CkPrivateKey privKey = new CkPrivateKey();
    boolean success = privKey.LoadPemFile("qa_data/rsa/rsaPrivKey_pkcs8.pem");
    if (success == false) {
        Log.i(TAG, privKey.lastErrorText());
        return;
        }

    CkScMinidriver scmd = new CkScMinidriver();

    // 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) {
        Log.i(TAG, scmd.lastErrorText());
        return;
        }

    // If successful, the name of the currently inserted smart card is available:
    Log.i(TAG, "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) {
        Log.i(TAG, "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) {
        Log.i(TAG, "PIN Authentication failed.");
        scmd.DeleteContext();
        return;
        }

    scmd.DeleteContext();

    Log.i(TAG, "Success.");

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

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}