MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.security.Key;

import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.spec.IvParameterSpec;

public class MainClass {
    public static void main(String args[]) throws Exception {
        KeyGenerator kg = KeyGenerator.getInstance("DES");
        Cipher c = Cipher.getInstance("DES/CBC/PKCS5Padding");
        Key key = kg.generateKey();

        c.init(Cipher.ENCRYPT_MODE, key);
        byte input[] = "Stand and unfold yourself".getBytes();
        byte encrypted[] = c.doFinal(input);
        byte iv[] = c.getIV();

        IvParameterSpec dps = new IvParameterSpec(iv);
        c.init(Cipher.DECRYPT_MODE, key, dps);
        byte output[] = c.doFinal(encrypted);
        System.out.println(new String(output));
    }
}