Example usage for java.security SecureRandom SecureRandom

Introduction

In this page you can find the example usage for java.security SecureRandom SecureRandom.

Prototype

public SecureRandom() 

Source Link

Document

Constructs a secure random number generator (RNG) implementing the default random number algorithm.

Usage

From source file:org.kievguide.controller.UserController.java

@RequestMapping(value = "/settingssave", method = RequestMethod.POST)
public ModelAndView settingsSave(@CookieValue(value = "userstatus", defaultValue = "guest") String useremail,
        @RequestParam("firstname") String firstname, @RequestParam("lastname") String lastname,
        @RequestParam("email") String email, @RequestParam("password") String password,
        @RequestParam("photosrc") MultipartFile file, HttpServletResponse response, HttpServletRequest request)
        throws FileNotFoundException, IOException {
    ModelAndView modelAndView = new ModelAndView();
    SecureRandom random = new SecureRandom();
    String photoname = new BigInteger(130, random).toString(32);
    Place place = new Place();

    User user = userService.searchUser(useremail);
    user.setFirstname(firstname);/*from   w  ww. j  a  va2s . c  o  m*/
    user.setLastname(lastname);
    user.setPassword(password);
    user.setEmail(email);
    if (!file.isEmpty()) {
        String folder = request.getSession().getServletContext().getRealPath("");
        folder = folder.substring(0, 30);
        BufferedOutputStream stream = new BufferedOutputStream(
                new FileOutputStream(new File(folder + "/src/main/webapp/img/" + photoname + ".jpg")));
        FileCopyUtils.copy(file.getInputStream(), stream);
        stream.close();
        user.setPhotosrc("img/" + photoname + ".jpg");
    }

    userService.addUser(user);
    Cookie userCookie = new Cookie("userstatus", user.getEmail());
    response.addCookie(userCookie);
    String userStatus = Util.userPanel(user.getEmail());
    modelAndView.addObject("userstatus", userStatus);
    return new ModelAndView("redirect:" + "firstrequest");
}

---

From source file:com.orange.oidc.secproxy_service.MySecureProxy.java

public String getPrivateKeyJwt(String token_endpoint) {
    String privateKeyJwt = null;/*from  w  ww  .j  ava2s .c  om*/
    try {
        JSONObject jo = new JSONObject();
        jo.put("iss", SECURE_PROXY_client_id);
        jo.put("sub", SECURE_PROXY_client_id);
        jo.put("aud", token_endpoint);
        jo.put("jti", new BigInteger(130, new SecureRandom()).toString(32));
        long now = Calendar.getInstance().getTimeInMillis() / 1000;
        // expires in 3 minutes
        jo.put("exp", "" + (now + 180));

        String dataToSign = null;
        try {
            dataToSign = KryptoUtils.encodeB64(jo.toString().getBytes("UTF-8"));
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }

        if (dataToSign != null && dataToSign.length() > 0) {
            // sign with proxy private key
            String signH = "{\"alg\":\"" + alg + "\"}";
            privateKeyJwt = KryptoUtils.signJWS(dataToSign, signH, alg, RsaKeyProxy.privRsaKey);
        }

    } catch (Exception e) {
        e.printStackTrace();
    }

    return privateKeyJwt;
}

---

From source file:com.alibaba.wasp.zookeeper.RecoverableZooKeeper.java

public RecoverableZooKeeper(String quorumServers, int sessionTimeout, Watcher watcher, int maxRetries,
        int retryIntervalMillis) throws IOException {
    this.zk = new ZooKeeper(quorumServers, sessionTimeout, watcher);
    this.retryCounterFactory = new RetryCounterFactory(maxRetries, retryIntervalMillis);

    // the identifier = processID@hostName
    this.identifier = ManagementFactory.getRuntimeMXBean().getName();
    LOG.info("The identifier of this process is " + identifier);
    this.id = Bytes.toBytes(identifier);

    this.watcher = watcher;
    this.sessionTimeout = sessionTimeout;
    this.quorumServers = quorumServers;
    salter = new SecureRandom();
}

---

From source file:org.gw2InfoViewer.factories.HttpsConnectionFactory.java

public static HttpClient getHttpsClientWithProxy(byte[] sslCertificateBytes, String proxyAddress,
        int proxyPort) {
    DefaultHttpClient httpClient;//from  w  w  w .java  2 s. co m
    Certificate[] sslCertificate;
    HttpHost proxy;

    httpClient = new DefaultHttpClient();
    try {
        sslCertificate = convertByteArrayToCertificate(sslCertificateBytes);

        TrustManagerFactory tf = TrustManagerFactory.getInstance("X509");
        KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
        ks.load(null);
        for (int i = 0; i < sslCertificate.length; i++) {
            ks.setCertificateEntry("StartCom" + i, sslCertificate[i]);
        }

        tf.init(ks);
        TrustManager[] tm = tf.getTrustManagers();

        SSLContext sslCon = SSLContext.getInstance("SSL");
        sslCon.init(null, tm, new SecureRandom());
        SSLSocketFactory socketFactory = new SSLSocketFactory(ks);
        Scheme sch = new Scheme("https", 443, socketFactory);

        proxy = new HttpHost(proxyAddress, proxyPort, "https");
        httpClient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);

        httpClient.getConnectionManager().getSchemeRegistry().register(sch);
    } catch (CertificateException | NoSuchAlgorithmException | KeyStoreException | IOException
            | KeyManagementException | UnrecoverableKeyException ex) {
        Logger.getLogger(HttpsConnectionFactory.class.getName()).log(Level.SEVERE, null, ex);
    }

    return httpClient;
}

---

From source file:com.predic8.membrane.core.interceptor.balancer.ClusterNotificationInterceptorTest.java

private GetMethod getSecurityTestMethod(long time) throws Exception {
    String qParams = "cluster=c3&host=node1.clustera&port=3018&time=" + time + "&nonce="
            + new SecureRandom().nextLong();
    return new GetMethod("http://localhost:3002/clustermanager/up?data="
            + URLEncoder.encode(getEncryptedQueryString(qParams), "UTF-8"));
}

---

From source file:com.telefonica.iot.cosmos.hive.authprovider.HttpClientFactory.java

/**
 * Gets a SSL SchemeRegistry object accepting all the X509 certificates by default.
 * @return A SSL SchemeRegistry object./*from   w w w . ja  v  a  2s  . c o m*/
 */
private SchemeRegistry getSSLSchemeRegistry() {
    // http://stackoverflow.com/questions/2703161/how-to-ignore-ssl-certificate-errors-in-apache-httpclient-4-0

    SSLContext sslContext;

    try {
        sslContext = SSLContext.getInstance("SSL");
    } catch (NoSuchAlgorithmException e) {
        LOGGER.fatal("Fatal error (SSL cannot be used, no such algorithm. Details=" + e.getMessage() + ")");
        return null;
    } // try catch // try catch

    try {
        // set up a TrustManager that trusts everything
        sslContext.init(null, new TrustManager[] { new X509TrustManager() {
            @Override
            public X509Certificate[] getAcceptedIssuers() {
                return null;
            } // getAcceptedIssuers

            @Override
            public void checkClientTrusted(X509Certificate[] certs, String authType) {
            } // getAcceptedIssuers

            @Override
            public void checkServerTrusted(X509Certificate[] certs, String authType) {
            } // checkServerTrusted
        } }, new SecureRandom());
    } catch (KeyManagementException e) {
        LOGGER.fatal("Fatal error (Cannot ignore SSL certificates. Details=" + e.getMessage() + ")");
        return null;
    } // try catch // try catch

    if (sslContext == null) {
        LOGGER.fatal("Fatal error (Cannot ignore SSL certificates, SSL context is null)");
        return null;
    } // if

    SSLSocketFactory sf = new SSLSocketFactory(sslContext, SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
    Scheme httpsScheme = new Scheme("https", 443, sf);
    SchemeRegistry schemeRegistry = new SchemeRegistry();
    schemeRegistry.register(httpsScheme);
    return schemeRegistry;
}

---

From source file:de.micromata.genome.gwiki.auth.GWikiAuthorizationBase.java

private Pair<String, String> createAuthToken(GWikiContext ctx, String user, String password) {
    int tklength = 16;
    Random r = new SecureRandom();
    String internalToken = RandomStringUtils.random(tklength, 32, 127, true, true, null, r);
    return Pair.make(user + ":" + internalToken, internalToken);

}

---

From source file:com.titilink.common.app.EncryptDecryptUtil.java

public void testRSA() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException,
        BadPaddingException, IllegalBlockSizeException, SignatureException {
    //// w  w  w  . j a va2  s . c  o  m
    KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
    keyPairGenerator.initialize(1024);
    KeyPair keyPair = keyPairGenerator.generateKeyPair();

    //?
    PublicKey publicKey = keyPair.getPublic();
    PrivateKey privateKey = keyPair.getPrivate();

    //??
    Cipher cipher = Cipher.getInstance("RSA");
    cipher.init(Cipher.ENCRYPT_MODE, privateKey, new SecureRandom());
    byte[] cipherData = cipher
            .doFinal("this is a security text from server".getBytes(Charset.forName("UTF-8")));

    //
    Cipher cipher1 = Cipher.getInstance("RSA");
    cipher1.init(Cipher.DECRYPT_MODE, publicKey, new SecureRandom());
    byte[] plainData = cipher1.doFinal(cipherData);
    System.out.println(new String(plainData, Charset.forName("UTF-8")));

    //???????
    Signature signature = Signature.getInstance("MD5withRSA");
    signature.initSign(privateKey);
    signature.update(cipherData);
    byte[] signData = signature.sign();

    //?????
    Signature signature1 = Signature.getInstance("MD5withRSA");
    signature1.initVerify(publicKey);
    signature1.update(cipherData);
    System.out.println(signature1.verify(signData));

}

---

From source file:com.google.cloud.backend.config.BackendConfigManager.java

/**
 * Returns the current configuration of the backend.
 * //from  w  w w  .ja  v  a2  s.c  om
 * @result Entity that represents the current configurations of the backend.
 */
protected Entity getConfiguration() {

    // check memcache
    Key key = getKey();
    Entity config = (Entity) memcache.get(getMemKeyForConfigEntity(key));
    if (config != null) {
        return config;
    }

    // get from datastore
    try {
        config = datastoreService.get(key);
    } catch (EntityNotFoundException e) {
        // Default to the LOCKED authentication mode and disabled push
        // notification
        config = new Entity(key);
        config.setProperty(AUTHENTICATION_MODE, AuthMode.LOCKED.name());
        config.setProperty(PUSH_ENABLED, false);
        config.setProperty(LAST_SUBSCRIPTION_DELETE_TIMESTAMP, null);

        // Generate unique secret for this app to be used for XSRF token
        SecureRandom rnd = new SecureRandom();
        String secret = new BigInteger(256, rnd).toString();
        config.setProperty(PER_APP_SECRET_KEY, secret);

        datastoreService.put(config);
    }

    // put the config entity to memcache and return it
    memcache.put(getMemKeyForConfigEntity(key), config);
    return config;
}

---

From source file:com.bitbreeds.webrtc.datachannel.DataChannelImpl.java

public DataChannelImpl(PeerConnection parent) throws IOException {
    logger.info("Initializing {}", this.getClass().getName());
    this.dtlsServer = new WebrtcDtlsServer(parent.getKeyStoreInfo());
    this.parent = parent;
    this.channel = new DatagramSocket();
    this.channel.setReceiveBufferSize(16000000);
    this.receiveBufferSize = this.channel.getReceiveBufferSize();
    this.channel.setSendBufferSize(16000000);
    this.sendBufferSize = this.channel.getSendBufferSize();
    //this.channel.setReuseAddress(true);
    this.port = channel.getLocalPort();
    this.serverProtocol = new DTLSServerProtocol(new SecureRandom());
    this.mode = ConnectionMode.BINDING;

    /**//ww w  . j  av a 2s.  c  o  m
     * Print monitoring information
     */
    this.monitor = () -> {
        while (running && channel.isBound()) {
            try {
                Thread.sleep(3000);
                sctpService.runMonitoring();
            } catch (Exception e) {
                logger.error("Logging error", e);
            }
        }
    };

    /**
     * Create heartbeat message
     */
    this.heartBeat = () -> {
        while (running && channel.isBound()) {
            try {
                Thread.sleep(5000);
                byte[] beat = sctpService.createHeartBeat();
                logger.debug("Sending heartbeat: " + Hex.encodeHexString(beat));
                putDataOnWire(beat);
            } catch (Exception e) {
                logger.error("HeartBeat error: ", e);
            }
        }
    };

    /**
     * Acknowledge received data
     */
    this.sackSender = () -> {
        while (running && channel.isBound()) {
            try {
                Thread.sleep(1); //sleep to not go ham on cpu
                logger.trace("Creating sack:");
                byte[] beat = sctpService.createSackMessage();
                if (beat.length > 0) {
                    logger.trace("Sending sack: " + Hex.encodeHexString(beat));
                    putDataOnWire(beat);
                } else {
                    logger.trace("Already on latest sack, no send");
                }

            } catch (Exception e) {
                logger.error("Sack error: ", e);
            }

        }
    };

    /**
     * Resends non acknowledged sent messages
     */
    this.reSender = () -> {
        while (running && channel.isBound() && !channel.isClosed()) {
            try {
                Thread.sleep(250);
                List<byte[]> msgs = sctpService.getMessagesForResend();
                if (!msgs.isEmpty()) {
                    msgs.forEach(i -> {
                        try {
                            Thread.sleep(1); //Sleep to let others work a bit
                            logger.debug("Resending data: " + Hex.encodeHexString(i));
                            putDataOnWire(i);
                        } catch (InterruptedException e) {
                            logger.error("Resend error: ", e);
                        }
                    });
                }
            } catch (Exception e) {
                logger.error("Resend error: ", e);
            }
        }
    };
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• »