/**
?*?@jdk版本:1.6
?*?@編碼時間:2010-3-20
?*/
package?com.mingrisoft.security;

import?java.io.File;
import?java.io.FileInputStream;
import?java.io.FileNotFoundException;
import?java.io.FileOutputStream;
import?java.io.IOException;
import?java.security.InvalidKeyException;
import?java.security.Key;
import?java.security.NoSuchAlgorithmException;
import?java.security.SecureRandom;
import?java.security.spec.InvalidKeySpecException;

import?javax.crypto.BadPaddingException;
import?javax.crypto.Cipher;
import?javax.crypto.IllegalBlockSizeException;
import?javax.crypto.KeyGenerator;
import?javax.crypto.NoSuchPaddingException;
import?javax.crypto.SecretKey;
import?javax.crypto.SecretKeyFactory;
import?javax.crypto.spec.DESKeySpec;

/**
?*?@author?bwm
?*?
?*/
public?class?BothDESFile?{

	String?algorithm?=?“DES“;
	//?key保存的文件名稱
	String?keyFile?=?“keyData.dat“;
	//?數據保存的文件名稱
	String?dataFile?=?“fileData.dat“;

	public?BothDESFile（）?{
		try?{
			initKey（）;
		}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????232??2010-12-17?09:48??.classpath
?????文件?????????379??2010-12-17?10:26??.project
?????文件??????????16??2010-12-17?10:31??fileData.dat
?????文件???????????8??2010-12-17?10:31??keyData.dat
?????文件?????????635??2010-12-17?09:47??.settings\org.eclipse.jdt.core.prefs
?????文件????????4326??2011-02-14?10:45??bin\com\mingrisoft\security\BothDESFile.class
?????文件????????5186??2010-12-23?16:00??src\com\mingrisoft\security\BothDESFile.java