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:MainClass.java

public static KeyPair generateRSAKeyPair() throws Exception {
    KeyPairGenerator kpGen = KeyPairGenerator.getInstance("RSA", "BC");
    kpGen.initialize(1024, new SecureRandom());
    return kpGen.generateKeyPair();
}

From source file:com.intel.mountwilson.trustagent.commands.SetAssetTag.java

public SetAssetTag(TADataContext context) {
    this.context = context;
    this.random = new SecureRandom();
}

From source file:eu.eco2clouds.api.bonfire.client.rest.RestClient.java

private static void enableSSLUnsecureTrustStore() {
    try {//ww  w  .j  a  va  2 s.  c  om
        SSLContext ctx = SSLContext.getInstance("TLS");
        ctx.init(new KeyManager[0], new TrustManager[] { new DefaultTrustManager() }, new SecureRandom());
        SSLContext.setDefault(ctx);
    } catch (NoSuchAlgorithmException exception) {
        System.out.println("ERROR TRYING TO DISSABLE JAVA SSL SECURITY");
        System.out.println("NO TLS ALGORITHM EXCEPTION");
        System.out.println("EXCEPTION" + exception.getMessage());
    } catch (KeyManagementException exception) {
        System.out.println("ERROR TRYING TO DISSABLE JAVA SSL SECURITY");
        System.out.println("KEY MANAGEMENT CREATION EXCEPTION");
        System.out.println("EXCEPTION" + exception.getMessage());
    }
}

From source file:de.hybris.platform.b2b.punchout.services.impl.AsymmetricManager.java

/**
 * Generates a random salt.//from www.j a  v a2s .c o  m
 * 
 * @return The salt.
 */
public static String getSalt() {
    final byte[] salt = new byte[SALT_LEN];
    final SecureRandom rnd = new SecureRandom();
    rnd.nextBytes(salt);
    return Hex.encodeHexString(salt);
}

From source file:net.link.util.test.pkix.PkiTestUtils.java

public static KeyPair generateKeyPair(String algorithm)
        throws NoSuchAlgorithmException, InvalidAlgorithmParameterException {

    KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(algorithm);
    SecureRandom random = new SecureRandom();
    if ("RSA".equals(keyPairGenerator.getAlgorithm()))
        keyPairGenerator.initialize(new RSAKeyGenParameterSpec(RSA_KEYSIZE, RSAKeyGenParameterSpec.F4), random);
    else if (keyPairGenerator instanceof DSAKeyPairGenerator) {
        DSAKeyPairGenerator dsaKeyPairGenerator = (DSAKeyPairGenerator) keyPairGenerator;
        dsaKeyPairGenerator.initialize(DSA_MODLEN, false, random);
    }/*www  .  ja v a  2 s.c om*/
    return keyPairGenerator.generateKeyPair();
}

From source file:com.hobba.hobaserver.services.security.ChallengeUtil.java

public String getChallenge(String kid, long expirationTime) {
    HobaKeys hk = new HobaKeys();
    HobaKeysFacadeREST hkfrest = new HobaKeysFacadeREST();
    HobaChallengesFacadeREST hcfrest = new HobaChallengesFacadeREST();
    hk = hkfrest.findHKIDbyKID(kid);/* ww  w  .  java  2  s  .c  o  m*/

    SecureRandom random = new SecureRandom();
    String rand = new BigInteger(130, random).toString(32);

    HobaChallenges hc = new HobaChallenges();

    hc.setIdKeys(hk);
    hc.setChalenge(rand);
    if (expirationTime > 0) {
        Date date = new Date(new Date().getTime() + (expirationTime * 100));
        hc.setExpiration(date);
    }
    hc.setExpiration(null);
    hc.setIsValid(Boolean.TRUE);
    hcfrest.create(hc);

    return new String(Base64.encodeBase64(rand.getBytes()));
}

From source file:net.mc_cubed.msrp.MsrpUtil.java

/**
 * Generate a RFC 4975 Section 14.1 compliant SessionId for use in an MSRP
 * URI/*from  w  w w  .ja  v a2 s  .co  m*/
 * @return
 */
public static String generateMsrpUriSessionId() {
    SecureRandom secure = new SecureRandom();
    byte[] bytes = new byte[MSRP_URI_SESSION_LENGTH];
    secure.nextBytes(bytes);
    return Base64.encodeBase64String(bytes);
}

From source file:org.openo.nfvo.vnfmadapter.service.csm.connect.AbstractSslContext.java

protected static SSLContext getCertificateSSLContext() throws GeneralSecurityException {
    SSLContext sslContext = getSSLContext();
    JSONObject sslConf = null;/*w w  w.  j  av a2s  .  c  o  m*/
    try {
        sslConf = readSSLConfToJson();
    } catch (Exception e) {
        LOG.error("readSSLConfToJson error", e);
    }
    sslContext.init(createKeyManager(sslConf), createTrustManager(sslConf), new SecureRandom());
    return sslContext;
}

From source file:com.medsphere.ovid.common.uuid.KeyGenerator.java

public KeyGenerator() {
    try {/*from   w ww.j  a va2 s  .  com*/
        InetAddress inet = InetAddress.getLocalHost();
        byte[] bytes = inet.getAddress();
        String inetAddressInHex = new String(Hex.encodeHex(bytes));
        String hashCodeForThis = new String(Hex.encodeHex(intToByteArray(System.identityHashCode(this))));
        middle = inetAddressInHex + hashCodeForThis;
        seeder = new SecureRandom();
        seeder.nextInt();

    } catch (UnknownHostException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        seeder = new SecureRandom();
        seeder.nextInt();
        middle = new Integer(this.hashCode()).toString();
    }

}

From source file:bit.changepurse.wdk.bip.MnemonicService.java

public MnemonicService(Bip39Dict aDict) {
    dict = aDict;
    rng = new SecureRandom();
}