(Android™) Client Certificate in REST (USB Token or Smartcard)

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Demonstrates how to use a client certificate with a REST connection where the certificate and private key are located on a USB token or 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.

    // This example shows how to use the Chilkat socket object's connection.
    CkRest rest = new CkRest();
    CkSocket socket = new CkSocket();

    // Set the certificate to be used for mutual TLS authentication
    CkCert cert = new CkCert();

    // If the smartcard or token requires a PIN...
    cert.put_SmartCardPin("000000");

    boolean success = cert.LoadFromSmartcard("");
    if (success != true) {
        Log.i(TAG, cert.lastErrorText());
        return;
        }

    success = socket.SetSslClientCert(cert);
    if (success != true) {
        Log.i(TAG, socket.lastErrorText());
        return;
        }

    // Establish the connection using the socket object (with client certificate authentication).
    boolean bTls = true;
    int port = 443;
    int maxWaitMs = 5000;
    success = socket.Connect("www.example.com",port,bTls,maxWaitMs);
    if (success != true) {
        Log.i(TAG, "Connect Failure Error Code: " + String.valueOf(socket.get_ConnectFailReason()));
        Log.i(TAG, socket.lastErrorText());
        return;
        }

    boolean bAutoReconnect = true;

    // Use the connection:
    success = rest.UseConnection(socket,bAutoReconnect);
    if (success != true) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    // At this point we are connected and can make REST calls...
    // For example..
    String responseJson = rest.fullRequestNoBody("GET","/someQuery");
    if (rest.get_LastMethodSuccess() != true) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }


  }

  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."
  }
}