Android™

RSA Import Private Key

See more RSA Examples

Shows how to select/import a private key for RSA signing or decryption. 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;

    CkPrivateKey privKey = new CkPrivateKey();
    String password = "secret";
    //  In all Chilkat methods expecting a path, you pass either absolute or relative paths.
    success = privKey.LoadAnyFormatFile("rsaKeys/myTestRsaPrivate.pem",password);
    if (success == false) {
        Log.i(TAG, privKey.lastErrorText());
        return;
        }

    CkRsa rsa = new CkRsa();

    //  Tell the RSA object to use the private key (i.e. import the private key)
    rsa.UsePrivateKey(privKey);

  }

  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."
  }
}