private KeyManager[] getKeyManagerFactory(String keystoreFile, String storePass) throws IOException, GeneralSecurityException {

        KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());



        InputStream is = null;

        try {

            is = new FileInputStream(keystoreFile);



            KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());

            ks.load(is, storePass.toCharArray());



            kmf.init(ks, storePass.toCharArray());



            return kmf.getKeyManagers();

        }

        finally {

            try {

                if (is != null) {

                    is.close();

                }

            }

            catch (IOException e) {

            }

        }

    }