GalaxyPilot —— D.S

import java.io.*;
import java.security.*;
import javax.crypto.*;
import sun.misc.BASE64Encoder;

public class DES {
?public static byte[] aa;
?public static void main(String[] args) throws Exception {
??if (args.length < 3) {
???System.out.println("Usage: java PwdDES -e|-d passwd input");
???return;
??}
??Key key;
??KeyGenerator generator = KeyGenerator.getInstance("DES");
??generator.init(new SecureRandom(args[1].getBytes()));
??key = generator.generateKey();

??Cipher cipher = Cipher.getInstance("DES");

??if (args[0].indexOf("e") != -1)
???cipher.init(Cipher.ENCRYPT_MODE, key);
??else
???cipher.init(Cipher.DECRYPT_MODE, key);

??System.out.println(new String(args[2].getBytes()));
??System.out.println(crypt(args[2].getBytes(),cipher));
??
??cipher.init(Cipher.DECRYPT_MODE, key);
??System.out.println(crypt(aa,cipher));
?}
?private static String crypt(byte[] bt,Cipher cipher)throws IOException,GeneralSecurityException{
??BASE64Encoder be = new BASE64Encoder();
??????? byte[] outBytes = new byte[1024];
??????? int inLength = 0;
??????? inLength = bt.length;
??????? if(inLength > 0)
???outBytes = cipher.doFinal(bt,0,inLength);
??????? else
??????????? outBytes = cipher.doFinal();
??????? aa = outBytes;
??return new String(outBytes);
??? }
}