ks = KeyStore.getInstance(KeyStore.getDefaultType());
                                ks.load(null);
                                KeyPairGenerator keygen = KeyPairGenerator.getInstance("RSA");
                                keygen.initialize(2048);
                                KeyPair keypair = keygen.generateKeyPair();
                                PrivateKey priv = keypair.getPrivate();
                                PublicKey pub = keypair.getPublic();

                                Certificate[] cert = new Certificate[1];
                                cert[0] = getCertificate(keypair);

                                ks.setKeyEntry("test", priv, null, cert);

                                Key privR = ks.getKey("test", null);