Encryption and Decryption iii

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package aesexample;

import java.nio.charset.Charset;
import java.security.GeneralSecurityException;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import sun.misc.BASE64Encoder;

/**
*
* @author Whiz
*/
public class AESWithGivenKEy {
    public static void main(String[] args) {
    try {

      String key = "ThiSIsASecretKey";
      byte[] ciphertext = encrypt(key, "Hey There");
      String x=new BASE64Encoder().encode(ciphertext);
        System.out.println("encrypted :"+x);
      System.out.println("decrypted value:" + (decrypt(key, ciphertext)));
     
     
      String key1 = "ThiSIsASEcretKey";
      int x123 =323;
       byte[] ciphertext1 = encrypt(key1, "Hey There");
      String x1=new BASE64Encoder().encode(ciphertext1);
        System.out.println("encrypted :"+x1);
      System.out.println("decrypted value:" + (decrypt(key1, ciphertext1)));
//
//      String key1 = "ThisIsASEcretKey";
//      byte[] ciphertext1 = encrypt(key, "HeyThere");
//      String xx=new BASE64Encoder().encode(ciphertext1);
//        System.out.println("encrypted :"+xx);
//      System.out.println("decrypted value:" + (decrypt(key1, ciphertext1)));
    } catch (GeneralSecurityException e) {
      e.printStackTrace();
    }
  }

  public static byte[] encrypt(String key, String value)
      throws GeneralSecurityException {

    byte[] raw = key.getBytes(Charset.forName("US-ASCII"));
    if (raw.length != 16) {
      throw new IllegalArgumentException("Invalid key size.");
    }

    SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    cipher.init(Cipher.ENCRYPT_MODE, skeySpec,
        new IvParameterSpec(new byte[16]));
    return cipher.doFinal(value.getBytes(Charset.forName("US-ASCII")));
  }

  public static String decrypt(String key, byte[] encrypted)
      throws GeneralSecurityException {

    byte[] raw = key.getBytes(Charset.forName("US-ASCII"));
    if (raw.length != 16) {
      throw new IllegalArgumentException("Invalid key size.");
    }
    SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");

    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    cipher.init(Cipher.DECRYPT_MODE, skeySpec,
        new IvParameterSpec(new byte[16]));
    byte[] original = cipher.doFinal(encrypted);

    return new String(original, Charset.forName("US-ASCII"));
  }
}