Grant that a security provider supporting TLSv1.2 is requested

        }

    }

    public static AdvancedSslSocketFactory getAdvancedSslSocketFactory(Context context) throws GeneralSecurityException, IOException {

    public static AdvancedSslSocketFactory getAdvancedSslSocketFactory(Context context) 

    		throws GeneralSecurityException, IOException {

        if (mAdvancedSslSocketFactory  == null) {

            KeyStore trustStore = getKnownServersStore(context);

            AdvancedX509TrustManager trustMgr = new AdvancedX509TrustManager(trustStore);

            TrustManager[] tms = new TrustManager[] { trustMgr };

            SSLContext sslContext = SSLContext.getInstance("TLS");

            SSLContext sslContext;

            try {

            	sslContext = SSLContext.getInstance("TLSv1.2");

            } catch (NoSuchAlgorithmException e) {

            	Log_OC.w(TAG, "TLSv1.2 is not supported in this device; falling through TLSv1.0");

            	sslContext = SSLContext.getInstance("TLSv1");

            	// should be available in any device; see reference of supported protocols in 

            	// http://developer.android.com/reference/javax/net/ssl/SSLSocket.html

            }

            sslContext.init(null, tms, null);

            mHostnameVerifier = new BrowserCompatHostnameVerifier();