@Test
 public void testEncryptCustomKeyEntry() {
   String keyEntry = "keyEntry";
   AsymmetricCrypto asymmetricCrypto =
       new AsymmetricCrypto(
           SecurityProviderConnectorFactory.getSecurityProviderConnector(), keyEntry);
   Certificates certificates =
       new Certificates(
           SecurityProviderConnectorFactory.getSecurityProviderConnector(),
           "issuer",
           keyEntry,
           null);
   StringWriter stringWriter = new StringWriter();
   ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
   certificates.create("test", "123".toCharArray(), stringWriter, byteArrayOutputStream);
   String cert = stringWriter.toString();
   StringReader stringReader = new StringReader(cert);
   ByteArrayInputStream byteArrayInputStream =
       new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
   byte[] plain = "secret".getBytes();
   byte[] encrypted = asymmetricCrypto.encrypt(plain, stringReader);
   byte[] decrypted =
       asymmetricCrypto.decrypt(encrypted, "123".toCharArray(), byteArrayInputStream);
   Assert.assertArrayEquals(plain, decrypted);
 }
 @Test
 public void testEncryptPublicPrivate() throws Exception {
   AsymmetricCrypto asymmetricCrypto =
       new AsymmetricCrypto(SecurityProviderConnectorFactory.getSecurityProviderConnector());
   Certificates certificates =
       new Certificates(SecurityProviderConnectorFactory.getSecurityProviderConnector());
   StringWriter stringWriter = new StringWriter();
   ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
   X509Certificate cert =
       certificates.create("test", "123".toCharArray(), stringWriter, byteArrayOutputStream);
   ByteArrayInputStream byteArrayInputStream =
       new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
   byte[] plain = "secret".getBytes();
   byte[] encrypted = asymmetricCrypto.encrypt(plain, cert.getPublicKey());
   byte[] decrypted =
       asymmetricCrypto.decrypt(
           encrypted,
           new PrivateKeyExtractor().extractPrivateKey("123".toCharArray(), byteArrayInputStream));
   Assert.assertArrayEquals(plain, decrypted);
 }