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:com.twitter.hbc.httpclient.auth.OAuth1.java

public OAuth1(String consumerKey, String consumerSecret, String token, String tokenSecret) {
    this.consumerKey = Preconditions.checkNotNull(consumerKey);
    this.consumerSecret = Preconditions.checkNotNull(consumerSecret);

    this.token = Preconditions.checkNotNull(token);
    this.tokenSecret = Preconditions.checkNotNull(tokenSecret);

    this.normalizer = Normalizer.getStandardNormalizer();
    this.signer = Signer.getStandardSigner();

    this.secureRandom = new SecureRandom();
}

From source file:com.openvcx.conference.KeyGenerator.java

/**
 * Constructor used to initialize this instance
 */
public KeyGenerator() {
    m_rand = new SecureRandom();
}

From source file:com.naver.timetable.bo.HttpClientBO.java

public String getHttpBody(String url, String method, List<NameValuePair> param) {
    HttpClient httpClient = null;/*from   w  w  w  . ja  va  2 s. c o m*/
    HttpResponse httpResponse = null;
    HttpRequestBase httpRequest;

    try {
        if (StringUtils.upperCase(method).equals("POST")) {
            httpRequest = new HttpPost(url);
            ((HttpPost) httpRequest).setEntity(new UrlEncodedFormEntity(param));
        } else {
            httpRequest = new HttpGet(url);
        }

        TrustManager[] trustManagers = new TrustManager[1];
        trustManagers[0] = new DefaultTrustManager();

        SSLContext sslContext = SSLContext.getInstance("TLS");
        sslContext.init(new KeyManager[0], trustManagers, new SecureRandom());
        SSLContext.setDefault(sslContext);

        sslContext.init(null, trustManagers, null);
        SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext,
                SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

        httpClient = HttpClients.custom().setSSLSocketFactory(sslsf).build();

        //         httpClient = HttpClientBuilder.create().build();
        httpResponse = httpClient.execute(httpRequest);
        return EntityUtils.toString(httpResponse.getEntity());
    } catch (ClientProtocolException e) {
        LOG.error("Client protocol error : ", e);
    } catch (IOException e) {
        LOG.error("IO error : ", e);
    } catch (KeyManagementException e) {
        LOG.error("IO error : ", e);
    } catch (NoSuchAlgorithmException e) {
        LOG.error("IO error : ", e);
    } finally {
        // ?
        HttpClientUtils.closeQuietly(httpResponse);
        HttpClientUtils.closeQuietly(httpClient);
    }

    return null;
}

From source file:com.zimbra.cs.service.mail.SendVerificationCode.java

static String generateVerificationCode() {
    ZimbraLog.misc.debug("Generating verification code");
    SecureRandom random = new SecureRandom();
    byte bytes[] = new byte[3];
    random.nextBytes(bytes);/*from   w ww  . j a  v a2  s .c o m*/
    return new String(Hex.encodeHex(bytes));
}

From source file:org.everit.authentication.cas.ecm.tests.SecureHttpClient.java

/**
 * Constructor.//from www .ja va2  s .  c o  m
 */
public SecureHttpClient(final String principal, final BundleContext bundleContext) throws Exception {
    this.principal = principal;

    httpClientContext = HttpClientContext.create();
    httpClientContext.setCookieStore(new BasicCookieStore());

    KeyStore trustStore = KeyStore.getInstance("jks");
    trustStore.load(bundleContext.getBundle().getResource("/jetty-keystore").openStream(),
            "changeit".toCharArray());

    TrustManagerFactory trustManagerFactory = TrustManagerFactory
            .getInstance(TrustManagerFactory.getDefaultAlgorithm());
    trustManagerFactory.init(trustStore);
    TrustManager[] trustManagers = trustManagerFactory.getTrustManagers();

    SSLContext sslContext = SSLContext.getInstance("TLS");
    sslContext.init(null, trustManagers, new SecureRandom());

    httpClient = HttpClientBuilder.create().setSslcontext(sslContext)
            .setRedirectStrategy(new DefaultRedirectStrategy()).build();
}

From source file:client.authz.Configuration.java

/**
 * If this is a https authServerUrl and noCertCheck is true, create an SSLContext that uses
 * an X509TrustManager that allows any certificate.
 * @return SSLContext with all trusting TrustManager if noCertCheck is true, null otherwise
 *///w w  w. j  a  v  a2 s.c  o m
public SSLContext getSSLContext() {
    SSLContext sslContext = null;
    if (authServerUrl.startsWith("https") && noCertCheck) {
        try {
            // Install a TrustManager that ignores certificate checks
            sslContext = SSLContext.getInstance("TLS");
            TrustManager[] trustManagers = { new TrustAllManager() };
            sslContext.init(null, trustManagers, new SecureRandom());
        } catch (Exception e) {
            throw new IllegalStateException("Failed to create HttpsClient", e);
        }
    }

    return sslContext;
}

From source file:com.cttapp.bby.mytlc.layer8apps.SimpleSSLSocketFactory.java

public SimpleSSLSocketFactory(KeyStore truststore)
        throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
    super(null);/*from  w  w  w  .  ja v  a2s .com*/

    try {
        SSLContext context = SSLContext.getInstance("TLS");

        // Create a trust manager that does not validate certificate chains and simply
        // accept all type of certificates
        TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
            public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                return new java.security.cert.X509Certificate[] {};
            }

            public void checkClientTrusted(X509Certificate[] chain, String authType)
                    throws CertificateException {
            }

            public void checkServerTrusted(X509Certificate[] chain, String authType)
                    throws CertificateException {
            }
        } };

        // Initialize the socket factory
        context.init(null, trustAllCerts, new SecureRandom());
        sslFactory = context.getSocketFactory();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:net.solarnetwork.pki.bc.test.BCCertificateServiceTest.java

@Before
public void setup() {
    service = new BCCertificateService();
    KeyPairGenerator keyGen;//  w w w  . jav a  2  s .  co  m
    try {
        keyGen = KeyPairGenerator.getInstance("RSA");
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    }
    keyGen.initialize(2048, new SecureRandom());
    KeyPair keypair = keyGen.generateKeyPair();
    publicKey = keypair.getPublic();
    privateKey = keypair.getPrivate();
}

From source file:com._64bitlabs.util.Encryptors.java

/**
 * Generates random salt string/*from w  w  w. j av a2 s . com*/
 * @return random salt string
 */
public static String nextSalt() {
    SecureRandom random = new SecureRandom();
    return new BigInteger(130, random).toString(32);
}

From source file:org.everit.osgi.authentication.cas.tests.SecureHttpClient.java

public SecureHttpClient(final String principal, final BundleContext bundleContext) throws Exception {
    this.principal = principal;

    httpClientContext = HttpClientContext.create();
    httpClientContext.setCookieStore(new BasicCookieStore());

    KeyStore trustStore = KeyStore.getInstance("jks");
    trustStore.load(bundleContext.getBundle().getResource("/jetty-keystore").openStream(),
            "changeit".toCharArray());

    TrustManagerFactory trustManagerFactory = TrustManagerFactory
            .getInstance(TrustManagerFactory.getDefaultAlgorithm());
    trustManagerFactory.init(trustStore);
    TrustManager[] trustManagers = trustManagerFactory.getTrustManagers();

    SSLContext sslContext = SSLContext.getInstance("TLS");
    sslContext.init(null, trustManagers, new SecureRandom());

    httpClient = HttpClientBuilder.create().setSslcontext(sslContext)
            .setRedirectStrategy(new DefaultRedirectStrategy()).build();
}