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(Android™) Add Private Key and Certificate to a PEM

Demonstrates how to add certificates and private keys to a PEM.

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);

    //  Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
    //  by calling UnlockBundle.  It requires a Bundle unlock code.
    CkGlobal chilkatGlob = new CkGlobal();
    boolean success = chilkatGlob.UnlockBundle("Anything for 30-day trial.");
    if (success != true) {
        Log.i(TAG, chilkatGlob.lastErrorText());
        return;
    }

    //  The Chilkat PEM class was introduced in v9.5.0.49.
    //  It requires the bundle to be unlocked, as shown above.
    CkPem pem = new CkPem();

    //  Add the private key found in alice.key to this PEM.
    // 
    CkPrivateKey privKey = new CkPrivateKey();

    success = privKey.LoadRsaDerFile("qa_data/alice.key");
    if (success != true) {
        Log.i(TAG, privKey.lastErrorText());
        return;
    }

    //  Add it to the PEM:
    success = pem.AddPrivateKey(privKey);

    //  Add the certificate found in alice.crt to this PEM.
    // 
    CkCert cert = new CkCert();

    success = cert.LoadFromFile("qa_data/alice.crt");
    if (success != true) {
        Log.i(TAG, cert.lastErrorText());
        return;
    }

    //  Add it to the PEM:
    boolean includeCertChain = false;
    success = pem.AddCert(cert,includeCertChain);

    //  Write the PEM containing the private key and certificate.
    //  The private key will be output in PKCS8 encrypted form.
    //  Certificates are never encrypted.

    //  This is the password that will be required to open and access the private key
    //  from the PEM we're about to write..
    String password = "secret";
    boolean extendedAttrs = false;
    boolean noKeys = false;
    boolean noCerts = false;
    boolean noCaCerts = false;
    String encryptAlg = "aes128";

    String pemStr = pem.toPemEx(extendedAttrs,noKeys,noCerts,noCaCerts,encryptAlg,password);
    Log.i(TAG, pemStr);

  }

  static {
      // Important: Make sure the name passed to loadLibrary matches the shared library
      // found in your project's libs/armeabi directory.
      //  for "libchilkat.so", pass "chilkat" to loadLibrary
      //  for "libchilkatemail.so", pass "chilkatemail" to loadLibrary
      //  etc.
      // 
      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."
  }
}

 

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