Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.security.Key;
import java.security.SecureRandom;

import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;

public class Main {

    private static byte[] getEncCode(String key, byte[] byteS) {
        byte[] byteFina = null;
        Cipher cipher;
        try {
            cipher = Cipher.getInstance("DES");
            cipher.init(Cipher.ENCRYPT_MODE, newDesInstance(key));
            byteFina = cipher.doFinal(byteS);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            cipher = null;
        }
        return byteFina;
    }

    private static Key newDesInstance(String strKey) {
        Key key = null;
        try {
            KeyGenerator keyGenerator = KeyGenerator.getInstance("DES");
            keyGenerator.init(new SecureRandom(strKey.getBytes()));
            key = keyGenerator.generateKey();
            keyGenerator = null;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return key;
    }
}