암복호화 예제(AES)

package hello;  
import crypto.CipherUtils;  
public class AesSample {
    private static final String KEY_ALGORITHM = "AES"; 	
    private static final String CIPHER_ALGORITHM = "AES/ECB/ZeroBytePadding"; 	
    private static final String KEY_STRING = "abcdefgh01234567"; 	 	
    public static void main(String[] args) {  	  
        System.out.println("Key: " + KEY_STRING);  	  
        CipherUtils cu = new CipherUtils(KEY_ALGORITHM, CIPHER_ALGORITHM, 	    KEY_STRING);  	  
        String data = "This is just an exampleaaaa"; 	  System.out.println("Data: " + data);  	  
        try { 	   
            String encryptedHex = cu.encrypt(data); 	   
            System.out.println("Encrypted Hex: " + encryptedHex);  	   
            String decryptedData = cu.decrypt(encryptedHex); 	   
            System.out.println("Decrypted Data: " + decryptedData); 	  
        } catch (Exception e) { 
            // TODO Auto-generated catch block 	   e.printStackTrace(); 	  
              } 	 
          }  
    }