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Eryptogram.java Îļþ£º
package com.cube.limail.util;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
/**
 * ¼ÓÃܽâÃÜÀà
 * @author Ò¶Ê÷Éî
 * @version 1.00 2008Äê01ÔÂ03ÈÕ
 */
 public  class  Eryptogram
{
     private  static  String  Algorithm ="DES";
     private String key="CB7A92E3D3491964";
     //¶¨Òå ¼ÓÃÜËã·¨,¿ÉÓà DES,DESede,Blowfish
     static  boolean  debug  = false ;
     /**
     * ¹¹Ôì×Ó×¢½â.
     */
     public  Eryptogram ()
    {
        
    } /**
     * Éú³ÉÃÜÔ¿
     * @return byte[] ·µ»ØÉú³ÉµÄÃÜÔ¿
     * @throws exception ÈÓ³öÒì³£.
     */
     public  static  byte [] getSecretKey () throws  Exception
    {
         KeyGenerator  keygen  = KeyGenerator.getInstance (Algorithm );
         SecretKey  deskey  = keygen.generateKey ();
         System.out.println ("Éú³ÉÃÜÔ¿:"+bytesToHexString (deskey.getEncoded ()));
         if  (debug ) System.out.println ("Éú³ÉÃÜÔ¿:"+bytesToHexString (deskey.getEncoded ()));
         return  deskey.getEncoded ();
        
    } /**
     * ½«Ö¸¶¨µÄÊý¾Ý¸ù¾ÝÌṩµÄÃÜÔ¿½øÐмÓÃÜ
     * @param input ÐèÒª¼ÓÃܵÄÊý¾Ý
     * @param key ÃÜÔ¿
     * @return byte[]