return getInstance(algorithm, provs[i]);
return getInstance(algorithm, p[i]);
  public static final SecretKeyFactory getInstance(String algorithm)    throws NoSuchAlgorithmException  {    Provider[] provs = Security.getProviders();    for (int i = 0; i < provs.length; i++)      {        try          {            return getInstance(algorithm, provs[i]);          }        catch (NoSuchAlgorithmException nsae)          {          }      }    throw new NoSuchAlgorithmException(algorithm);  }