Set the Recipient Encryption Certificate

See more Email Object Examples

Demonstrates the Chilkat Email.SetEncryptCert method, which sets the explicit recipient encryption certificate for sending an encrypted email. This example loads the recipient's certificate, sets it, and enables encrypted sending.

// 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;

    //  Demonstrates the SetEncryptCert method, which sets the explicit recipient encryption
    //  certificate for sending an encrypted email.

    CkEmail email = new CkEmail();
    email.put_Subject("Encrypted email");
    email.put_Body("This message will be sent S/MIME encrypted.");
    email.put_From("alice@example.com");
    email.AddTo("Bob","bob@example.com");

    //  Load the recipient's certificate (only the public key is needed to encrypt).
    CkCert cert = new CkCert();
    success = cert.LoadFromFile("qa_data/certs/recipient.cer");
    if (success == false) {
        Log.i(TAG, cert.lastErrorText());
        return true;
        }

    //  Set the explicit recipient encryption certificate.
    success = email.SetEncryptCert(cert);
    if (success == false) {
        Log.i(TAG, email.lastErrorText());
        return true;
        }

    //  Request encrypted sending.
    email.put_SendEncrypted(true);

    Log.i(TAG, "Encryption certificate set.");

    //  Note: The path "qa_data/certs/recipient.cer" is a relative local filesystem path,
    //  relative to the current working directory of the running application.

  }

  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."
  }
}