package org.occ.rugateway.jcp;

import java.io.File;
import java.io.FileInputStream;
import java.security.KeyStore;
import java.security.cert.X509Certificate;
import java.util.Enumeration;

import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.TrustManagerFactory;

import ru.CryptoPro.JCP.JCP;

public class TestCrypto {

	public static void main(String[] args) throws Exception {
		new TestCrypto().testRun();
	}

	private KeyManagerFactory gostKeyManagerFactory = null;
	private TrustManagerFactory gostTrustManagerFactory = null;
	private KeyStore gostCertStore;
	
	String gostCertPath = "C:/tst_nbki_39";

	public void testRun() throws Exception {
		initGostCertStore();
		initGostKeyFactory();
		
		Thread.sleep(1000);
		X509Certificate cert = getCertificate("butylkinnbki.cer");
		System.out.println("Cert is " + cert);
	}

	private void initGostCertStore() throws Exception {
		gostCertStore = KeyStore.getInstance(JCP.HD_STORE_NAME, JCP.PROVIDER_NAME);
		logDebug("---gost cert store path (in directory): " + gostCertPath);

		logDebug("---gost cert store certificates----");
		gostCertStore.load(new FileInputStream(new File(gostCertPath)), "aa".toCharArray());
		Enumeration<String> en = gostCertStore.aliases();
		while (en.hasMoreElements()) {
			logDebug("---alias: " + en.nextElement());
		}
		logDebug("------------------------------------");
	}
	
	private void initGostKeyFactory() throws Exception {
		gostTrustManagerFactory = TrustManagerFactory.getInstance("GostX509");
		gostTrustManagerFactory.init(gostCertStore);
		gostKeyManagerFactory = KeyManagerFactory.getInstance("GostX509");
		gostKeyManagerFactory.init(gostCertStore, null);

	}

	
	private X509Certificate getCertificate(String alias) throws Exception {
		return (X509Certificate) gostCertStore.getCertificate(alias);
	}


	private void logDebug(String message) {
		System.out.println(message);
	}

}

---gost cert store path (in directory): C:/tst_nbki_39
---gost cert store certificates----
июл 26, 2018 4:21:13 PM ru.CryptoPro.JCP.tools.Starter check
INFO: Loading JCP 2.0.39738
июл 26, 2018 4:21:13 PM ru.CryptoPro.JCP.tools.Starter check
INFO: JCP loaded.
---alias: le-13e5010d-8428-4e2f-88eb-df14b3f3bb8a
---alias: butylkinnbki.cer
---alias: оператор нбки - 2018.cer
---alias: cpcacer5
---alias: cpcacer4
---alias: cpcacer3
---alias: cpcacer2
---alias: cpcacer1
---alias: cpcacer0
------------------------------------
июл 26, 2018 4:21:13 PM ru.CryptoPro.ssl.cl_38 <init>
INFO: %% adding as private keys %%
Cert is null