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Android™

Get Certificate's Public Key

Loads a certificate from PEM and gets the public key.

Chilkat Android™ Downloads

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;

    CkCert cert = new CkCert();

    String strPem = "-----BEGIN CERTIFICATE----- ...";

    success = cert.LoadPem(strPem);
    if (success == false) {
        Log.i(TAG, cert.lastErrorText());
        return;
        }

    CkPublicKey pubKey = new CkPublicKey();
    cert.GetPublicKey(pubKey);

    //  You can now use the public key object however it is needed,
    //  and access its various properties and methods..

    Log.i(TAG, pubKey.getXml());

  }

  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."
  }
}