Android™

Add Private Key and Certificate to a PEM

See more PEM Examples

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

// 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);

    boolean success = false;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // 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.LoadAnyFormatFile("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 {
      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."
  }
}