$cripto = '';
   $tam = strlen($password); $i=1;
   for ($cont = 0; $cont < $tam; $cont++) {
        $c      = $password[$cont];
        $pot    = pow(+1,$i);
        $nc     = Ord($c) + ($i * ((int)$c));
        $asc    = Chr($nc);
        $c2     = (string)$asc;
        $cripto = $cripto.$c2;
        $i=$i+1;
   }//fim criptografia
   $senha = $cripto;