public static void main(String[] args) throws  Exception {
	
        System.setProperty("https.proxyHost", "172.18.0.88");
        System.setProperty("https.proxyPort", "3128");
        System.setProperty("http.proxyHost", "172.18.0.88");
        System.setProperty("http.proxyPort", "3128");
        System.setProperty("com.sun.security.enableCRLDP", "true"); // для sun jvm
        System.setProperty("javax.net.ssl.supportGVO", "true");
        
        KeyStore ks = KeyStore.getInstance("HDImageStore", "JCP"); // Тут хранится только один наш сертификат            
        ks.load(new FileInputStream("C:\\Dev Tools\\Eclipse workspace\\NBKI-CKKI\\bogocert"), "123".toCharArray());
    

        KeyStore kst = KeyStore.getInstance("HDImageStore", "JCP");   // Тут хранится сертификат удалённого сервера и корневые сертификаты
        kst.load(new FileInputStream("C:\\Dev Tools\\Eclipse workspace\\NBKI-CKKI\\trust17"), "123".toCharArray());

        
        KeyManagerFactory kmf = KeyManagerFactory.getInstance("GostX509");
        TrustManagerFactory tmf = TrustManagerFactory.getInstance("GostX509");
    	kmf.init(ks,  "123".toCharArray());
    	tmf.init(kst);
    	SSLContext sslContext =  SSLContext.getInstance("GostTLS");

    	sslContext.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);

    	SSLSocketFactory  sslFact = (SSLSocketFactory)SSLSocketFactory.getDefault();
    	
    	
    	HttpsURLConnection.setDefaultSSLSocketFactory(sslFact);
        URL url = new URL("https://icrs.nbki.ru/signals/list");
        HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
        connection.setHostnameVerifier(new HostnameVerifier()
        {
			public boolean verify(String hostname, SSLSession session) {
				// TODO Auto-generated method stub
				return true;
			}});
        connection.setUseCaches(false);
        connection.setRequestMethod("GET");
        connection.connect();
        int responseCode = connection.getResponseCode();  /// Тут возникает ошибка!
        String responseMesssage = connection.getResponseMessage();
        
        InputStream is = connection.getInputStream();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        String line;
        String response = "";
        while ((line = rd.readLine()) != null) {
            response += line + "\r\n";
        }
        rd.close();
        is.close();
        System.out.println(response);
        connection.disconnect();

package testapps;

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.net.URL;
import java.security.KeyStore;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManagerFactory;

public class TwoWaySSLTester {

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws  Exception {
/*
        System.setProperty("javax.net.ssl.trustStore", "С:\\Dev Tools\\Eclipse workspace\\NBKI-CKKI\\trust17");
        System.setProperty("javax.net.ssl.trustStoreType", "HDImageStore");
        System.setProperty("javax.net.ssl.trustStoreProvider", "JCP");
        System.setProperty("javax.net.ssl.trustStorePassword", "123");

        System.setProperty("javax.net.ssl.keyStoreType","HDImageStore");
        System.setProperty("javax.net.ssl.keyStorePassword", "123"); 
*/        
		
        System.setProperty("https.proxyHost", "172.18.0.88");
        System.setProperty("https.proxyPort", "3128");
        System.setProperty("http.proxyHost", "172.18.0.88");
        System.setProperty("http.proxyPort", "3128");
        System.setProperty("com.sun.security.enableCRLDP", "true"); // для sun jvm
        System.setProperty("javax.net.ssl.supportGVO", "true");
        
        KeyStore ks = KeyStore.getInstance("HDImageStore", "JCP"); // Тут хранится наш сертификат            
        ks.load(new FileInputStream("C:\\Dev Tools\\Eclipse workspace\\NBKI-CKKI\\bogocert"), "123".toCharArray());
    

        KeyStore kst = KeyStore.getInstance("HDImageStore", "JCP");   // тут хранится сертификат удалённого сервера         
        kst.load(new FileInputStream("C:\\Dev Tools\\Eclipse workspace\\NBKI-CKKI\\trust17"), "123".toCharArray());

        
        KeyManagerFactory kmf = KeyManagerFactory.getInstance("GostX509");
        TrustManagerFactory tmf = TrustManagerFactory.getInstance("GostX509");
    	kmf.init(ks,  "123".toCharArray());
    	tmf.init(kst);
    	SSLContext sslContext =  SSLContext.getInstance("GostTLS");

    	sslContext.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);

    	SSLSocketFactory  sslFact = (SSLSocketFactory)SSLSocketFactory.getDefault();
    	
    	
    	HttpsURLConnection.setDefaultSSLSocketFactory(sslFact);
        URL url = new URL("https://icrs.nbki.ru/signals/list"); //signals--icrs
        HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
        connection.setHostnameVerifier(new HostnameVerifier()
        {
			public boolean verify(String hostname, SSLSession session) {
				// TODO Auto-generated method stub
				return true;
			}});
        
        connection.setUseCaches(false);
        connection.setRequestMethod("GET");
        connection.connect();
        int responseCode = connection.getResponseCode();  /// Тут возникает ошибка!
        String responseMesssage = connection.getResponseMessage();
        
        InputStream is = connection.getInputStream();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        String line;
        String response = "";
        while ((line = rd.readLine()) != null) {
            response += line + "\r\n";
        }
        rd.close();
        is.close();
        System.out.println(response);
        connection.disconnect();
        
        
        
    	if (true) return;  // дальше не выполняем
    	SSLSocket soc = (SSLSocket) sslFact.createSocket("signals.nbki.ru", 443);
    	
    	soc.startHandshake();
    	
        BufferedWriter wr = new BufferedWriter(new OutputStreamWriter(soc.getOutputStream(), "Windows-1251"));
        wr.write("GET list HTTP/1.0\r\n");
        wr.write("Host: signals.nbki.ru");

//        wr.write("");
//       wr.write("\r\n");
        wr.flush();        

        // Get response
        BufferedInputStream bis = new BufferedInputStream(soc.getInputStream());
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        int c=0 ;
        boolean flg=false;
        while (true) {                
        c = bis.read();
        if (flg==false) {
        if (c==13) {
            c = bis.read();
            if (c==10) {
                c = bis.read();
                if (c==13) {
                    c = bis.read();
                    if (c==10) {
                        flg=true;
                        continue;
                    }                        
                }                    
            }               
        }
        } //if (!flg)
        if (c == -1) break;
        if (flg) baos.write(c);
        } //while
        
        byte[] bytedata = baos.toByteArray();
        baos.close();
        bis.close(); 
        wr.close();
        String rzxml = new String(bytedata, "windows-1251");                

        
        
    	
    	
	}

}