(Android™) Load PKCS12 / PFX and Access Contents

Loads a PKCS12 / PFX file and iterates over the contents which include private keys and certificates.

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);

    CkPfx pfx = new CkPfx();

    // Load the PKCS12 from a file
    boolean success = pfx.LoadPfxFile("/someDir/my.p12","pfxFilePassword");
    if (success != true) {
        Log.i(TAG, pfx.lastErrorText());
        return;
        }

    int numPrivateKeys = pfx.get_NumPrivateKeys();

    CkPrivateKey privKey;

    Log.i(TAG, "Private Keys:");

    int i = 0;
    while (i < numPrivateKeys) {
        privKey = pfx.GetPrivateKey(i);

        // Do something with the private key ...

        i = i + 1;
        }

    CkCert cert;

    int numCerts = pfx.get_NumCerts();

    Log.i(TAG, "Certs:");
    i = 0;
    while (i < numCerts) {
        cert = pfx.GetCert(i);
        Log.i(TAG, cert.subjectDN());

        // If the certificate has a private key (one of the private keys within the PFX)
        // then it can also be obtained via the certificate object:
        if (cert.HasPrivateKey() == true) {

            Log.i(TAG, "Has private key!");

            privKey = cert.ExportPrivateKey();
            // ...

            }

        i = i + 1;
        }


  }

  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."
  }
}