Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.espe.distribuidas.protocolocajero.pc; import org.apache.commons.codec.digest.DigestUtils; /** * * @author david */ public class Mensaje { public static final String AUTENTIC_USER = "AUTENTISIN"; public static final String CONSULTAR_CUENTA = "VERIFICARC"; public static final String DEPOSITO = "TRADEPOSIT "; public static final String RETIRO = "TRARETIROV"; public static boolean validaHash(String trama) { String cuerpo = trama.substring(85, trama.length()); String md5HashN = DigestUtils.md5Hex(cuerpo); String md5Hash = trama.substring(53, 85); // if(md5Hash.equals(md5HashN)) // System.out.println("correctooooo"); return md5Hash.equals(md5HashN); } }