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Java code:

package util;

import java.security.MessageDigest;

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;

public class CipherPasswd {

public String MD5(String psw){
try{

byte[] pswKey;
//»ñµÃÃÜÔ¿
String password = "pswd";
MessageDigest md = MessageDigest.getInstance("MD5");
md.update(password.getBytes());
pswKey = md.digest();

DESKeySpec desKeySpec = new DESKeySpec(pswKey);
SecretKeyFactory desKeyFac = SecretKeyFactory.getInstance("DES");
SecretKey desKey = desKeyFac.generateSecret(desKeySpec);

Cipher c = Cipher.getInstance("DES");
//¼ÓÃÜ
c.init(Cipher.ENCRYPT_MODE, desKey);
byte input[] = psw.getBytes();
byte encrypted[] = c.doFinal(input);
System.out.println("The string was ");
System.out.println(new String(encrypted));



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