Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.File;
import java.io.FileOutputStream;
import java.io.ObjectOutputStream;

import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SealedObject;
import javax.crypto.SecretKey;

public class Main {
    private static void writeToFile(String filename, Object object) throws Exception {
        ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(new File(filename)));
        oos.writeObject(object);
        oos.flush();
        oos.close();
    }

    public static void main(String[] args) throws Exception {
        SecretKey key = KeyGenerator.getInstance("DES").generateKey();
        writeToFile("secretkey.dat", key);
        Cipher cipher = Cipher.getInstance("DES");
        cipher.init(Cipher.ENCRYPT_MODE, key);
        SealedObject sealedObject = new SealedObject("THIS IS A SECRET MESSAGE!", cipher);
        writeToFile("sealed.dat", sealedObject);
    }
}