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.allstate.client.ssl.SSLUtils.java

public static SSLSocketFactory getFactory(Security security) throws GeneralSecurityException {
    X509HostnameVerifier verifier = security.isStrictHostVerification()
            ? SSLSocketFactory.STRICT_HOSTNAME_VERIFIER
            : SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER;
    SSLSocketFactory socketFactory = new SSLSocketFactory(security.getSslContextProtocol(),
            security.getKeyStore(), security.getKeyStorePasswordAsString(), security.getTrustStore(),
            new SecureRandom(), null, verifier);
    return socketFactory;
}

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From source file:cl.whyem.testsutilityproject.otpgenerator.KeyBase.java

protected byte[] randomBytes(int count) {
    SecureRandom random = new SecureRandom();
    byte[] buf = new byte[count];
    random.nextBytes(buf);/*w w w.j  a v  a 2  s  .c  om*/
    return buf;
}

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From source file:com.photon.phresco.nativeapp.eshop.net.NetworkManager.java

public static boolean checkHttpsURLStatus(final String url) {
    boolean https_StatusFlag = false;
    System.out.println("Entered in checkHttpsURLStatus >>>>>>>>>>>>>>>");

    URL httpsurl;//from w  w  w . j  ava2 s. com
    try {

        // Create a context that doesn't check certificates.
        SSLContext ssl_ctx = SSLContext.getInstance("TLS");
        TrustManager[] trust_mgr = get_trust_mgr();
        ssl_ctx.init(null, // key manager
                trust_mgr, // trust manager
                new SecureRandom()); // random number generator
        HttpsURLConnection.setDefaultSSLSocketFactory(ssl_ctx.getSocketFactory());
        System.out.println("Url =========" + url);
        httpsurl = new URL(url);

        HttpsURLConnection con = (HttpsURLConnection) httpsurl.openConnection();
        con.setHostnameVerifier(DO_NOT_VERIFY);
        int statusCode = con.getResponseCode();
        System.out.println("statusCode =========" + statusCode);

        if (statusCode == HttpURLConnection.HTTP_OK) {

            https_StatusFlag = true;

        }

    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (KeyManagementException e) {
        e.printStackTrace();
    }

    return https_StatusFlag;
}

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From source file:com.google.gwtjsonrpc.server.SignedToken.java

/**
 * Create a new utility, using the specific key.
 * //from  w w w  .  ja v  a2s  .  c  o  m
 * @param age the number of seconds a token may remain valid.
 * @param keyBase64 base 64 encoded representation of the key.
 * @throws XsrfException the JVM doesn't support the necessary algorithms.
 */
public SignedToken(final int age, final String keyBase64) throws XsrfException {
    maxAge = age > 5 ? age / 5 : age;
    key = new SecretKeySpec(decodeBase64(keyBase64), MAC_ALG);
    rng = new SecureRandom();
    tokenLength = 2 * INT_SZ + newMac().getMacLength();
}

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From source file:fr.acxio.tools.agia.file.pdf.SplitPDFTaskletTest.java

@Test
public void testSplit() throws Exception {
    SplitPDFTasklet aTasklet = new SplitPDFTasklet();

    PageSplittingPDDocumentFactory aDocumentFactory = new PageSplittingPDDocumentFactory();
    aDocumentFactory.setSplitAtPage(1);/*w w  w  . ja v  a 2s.c o m*/
    aTasklet.setDocumentFactory(aDocumentFactory);

    FileSystemResourcesFactory aSourceFactory = new FileSystemResourcesFactory();
    aSourceFactory.setPattern("file:src/test/resources/testFiles/content*.pdf");

    aTasklet.setSourceFactory(aSourceFactory);

    StandardEvaluationContextFactory aContextFactory = new StandardEvaluationContextFactory();

    Map<String, Object> aCommonObjects = new HashMap<String, Object>();
    aCommonObjects.put("fu", new FilenameUtils());

    DateToStringConverter aDTSConverter = new DateToStringConverter();
    aDTSConverter.setDestinationPattern("yyyyMMddhhmmssSSS");

    aCommonObjects.put("dc", aDTSConverter);

    aCommonObjects.put("sr", new SecureRandom());

    aContextFactory.setCommonObjects(aCommonObjects);

    ExpressionResourceFactory aDestinationFactory = new ExpressionResourceFactory();
    aDestinationFactory.setEvaluationContextFactory(aContextFactory);
    aDestinationFactory.setExpression(
            "target/ST-N-@{#fu.getBaseName(#in.SOURCE.filename)}-@{#dc.convert(new java.util.Date())}-@{#sr.nextInt(10000)}.pdf");

    aTasklet.setDestinationFactory(aDestinationFactory);
    aTasklet.setForceReplace(false);

    StepContribution aStepContribution = mock(StepContribution.class);

    assertEquals(RepeatStatus.FINISHED, aTasklet.execute(aStepContribution, null));

    Collection<File> aFilesTocheck = FileUtils.listFiles(new File("target"),
            new WildcardFileFilter("ST-N-*.pdf"), null);
    assertEquals(4, aFilesTocheck.size());

    verify(aStepContribution, times(2)).incrementReadCount();
    verify(aStepContribution, times(1)).incrementWriteCount(1); // content1.pdf
    verify(aStepContribution, times(1)).incrementWriteCount(3); // content2.pdf
}

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From source file:com.POLIS.licensing.frontend.AnnotationEnabledFrontendTest.java

@Before
public void setUp()
        throws NoSuchAlgorithmException, NoSuchProviderException, SystemStateException, OperationException {
    frontend = new AnnotationEnabledFrontend<>(new TestFactory(), new TestConnector(), new TestDecorator());

    SecureRandom random = new SecureRandom();
    KeyPairGenerator rsagenerator = KeyPairGenerator.getInstance("RSA", "BC");
    rsagenerator.initialize(1024, random);
    KeyPair pair = rsagenerator.generateKeyPair();
    serverPubKey = pair.getPublic();//from   www  . ja v  a 2s. co  m
    serverPrivKey = pair.getPrivate();
    frontend.initialize(serverPubKey);
}

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From source file:com.test.controller.ResourceController.java

private static void trustAllHttpsCertificates() {
    TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
        //            public java.security.cert.X509Certificate[] getAcceptedIssuers() {
        //                return null;
        //            }
        ///*from   ww w  . j a va2 s  .  c  o m*/
        //            public void checkClientTrusted(X509Certificate[] certs, String authType) {
        //            }
        //
        //            public void checkServerTrusted(X509Certificate[] certs, String authType) {
        //            }

        @Override
        public void checkClientTrusted(java.security.cert.X509Certificate[] x509Certificates, String s)
                throws CertificateException {
            //To change body of implemented methods use File | Settings | File Templates.
        }

        @Override
        public void checkServerTrusted(java.security.cert.X509Certificate[] x509Certificates, String s)
                throws CertificateException {
            //To change body of implemented methods use File | Settings | File Templates.
        }

        @Override
        public java.security.cert.X509Certificate[] getAcceptedIssuers() {
            //                return new java.security.cert.X509Certificate[0];  //To change body of implemented methods use File | Settings | File Templates.
            return null;
        }
    } };

    try {
        SSLContext sc = SSLContext.getInstance("TLS");
        sc.init(null, trustAllCerts, new SecureRandom());
        HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
    } catch (Exception e) {
        ;
    }

}

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From source file:corner.encrypt.services.impl.CipherKey.java

public void createRandomCipher() {
    SecureRandom secureRandom = new SecureRandom();
    Random random = new Random(secureRandom.nextLong());
    cipher = new byte[cipherLen];
    random.nextBytes(cipher);/*  ww  w.j ava2s . c  om*/
    persistCipher();
}

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From source file:fi.hsl.parkandride.config.CoreConfiguration.java

String tokenSecret() {
    String secret = tokenSecret;//  www. j  a v a 2  s.c o m
    int minLength = AuthenticationService.SECRET_MIN_LENGTH;
    if (secret.length() < minLength) {
        log.warn("The value of {} is shorter than {} characters; replacing it with a randomly generated value. "
                + "This may cause tokens to expire prematurely.", SECURITY_TOKEN_SECRET, minLength);
        int[] chars = new SecureRandom().ints(minLength).map(i -> (char) i).toArray();
        return new String(chars, 0, chars.length);
    } else {
        return secret;
    }
}

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From source file:info.fcrp.keepitsafe.bean.CryptBeanTest.java

@Test
public void symetric() throws NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException,
        InvalidKeyException, IllegalBlockSizeException, BadPaddingException {

    KeyGenerator kg = KeyGenerator.getInstance("AES");
    kg.init(256, new SecureRandom());
    Key k = kg.generateKey();//from w  ww .  j a  v a2s.co m

    Cipher c = Cipher.getInstance("AES");
    String plain = "plain";
    byte[] plainBytes = plain.getBytes();

    c.init(Cipher.ENCRYPT_MODE, k);
    c.update(plainBytes);

    byte[] encBytes = c.doFinal();
    String enc = Base64.encodeBase64String(encBytes);
    assertNotSame(plain, enc);

    c.init(Cipher.DECRYPT_MODE, k);
    c.update(encBytes);
    byte[] decBytes = c.doFinal();
    String dec = new String(decBytes);

    assertEquals(plain, dec);
}

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