MD5

MD5Helper

package com.xkey.saxgeral.helpers;

import java.io.UnsupportedEncodingException;
import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class MD5Helper {

    private static Logger log = LogManager.getLogger(MD5Helper.class);

    public static String md5(String value) {
  String md5 = "";
	MessageDigest md = null;
	try {
	    md = MessageDigest.getInstance("MD5");
	} catch (NoSuchAlgorithmException e) {
	    log.error("Erro ao gerar MD5", e);
	}
	BigInteger hash = new BigInteger(1, md.digest(value.getBytes()));
	md5 = hash.toString(16);
	return md5;
    }

    public static void main(String[] args) throws NoSuchAlgorithmException, UnsupportedEncodingException {

	String senha = "SenhaMuitoForte";

	String md5 = md5(senha);
	String saida = "Entrada: " + senha + "\nSenha com MD5: " + md5;

	System.out.println(saida);
    }
}