Example usage for org.bouncycastle.jce.provider BouncyCastleProvider BouncyCastleProvider

List of usage examples for org.bouncycastle.jce.provider BouncyCastleProvider BouncyCastleProvider

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Introduction

In this page you can find the example usage for org.bouncycastle.jce.provider BouncyCastleProvider BouncyCastleProvider.

Prototype

public BouncyCastleProvider()

Source Link

Document

Construct a new provider.

Usage

From source file:core.RSA.java

public RSA() throws NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException {
    Security.addProvider(new BouncyCastleProvider());

    Cipher cipher = Cipher.getInstance("RSA/None/NoPadding", "BC");
    SecureRandom random = new SecureRandom();
    KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA", "BC");

    generator.initialize(256, random);//  ww w.  j a va  2  s. co  m
    keyPair = generator.generateKeyPair();

}

From source file:COSE.OneKeyTest.java

/**
 * Test of AsPublicKey method, of class OneKey.
 *//*w w w.ja v a  2  s  .  co  m*/
@Test
public void testAsPublicKey() throws Exception {
    OneKey instance = OneKey.generateKey(AlgorithmID.ECDSA_256);
    PublicKey result = instance.AsPublicKey();
    assertEquals(result.getAlgorithm(), "EC");
    assertEquals(result.getFormat(), "X.509");

    byte[] rgbSPKI = result.getEncoded();
    String f = byteArrayToHex(rgbSPKI);
    assertEquals(rgbSPKI.length, 91);

    KeyFactory kFactory = KeyFactory.getInstance("EC", new BouncyCastleProvider());
    X509EncodedKeySpec spec = new X509EncodedKeySpec(rgbSPKI);
    PublicKey pubKey = (PublicKey) kFactory.generatePublic(spec);
}

From source file:COSE.OneKeyTest.java

/**
 * Test of AsPrivateKey method, of class OneKey.
 *//* w  ww. jav a  2 s . co m*/
@Test
public void testAsPrivateKey() throws Exception {
    OneKey instance = OneKey.generateKey(AlgorithmID.ECDSA_256);
    PrivateKey result = instance.AsPrivateKey();

    assertEquals(result.getAlgorithm(), "EC");
    assertEquals(result.getFormat(), "PKCS#8");

    byte[] rgbPrivate = result.getEncoded();
    String x = byteArrayToHex(rgbPrivate);

    /*
            
    THis seems to go boom on jdk 9
    KeyPairGenerator kpgen = KeyPairGenerator.getInstance("EC");
            
    */

    KeyFactory kFactory = KeyFactory.getInstance("EC", new BouncyCastleProvider());

    PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(rgbPrivate);
    PrivateKey pubKey = (PrivateKey) kFactory.generatePrivate(spec);
}

From source file:cosis.Main.java

License:Open Source License

public static void main(String[] args) {

    if (GraphicsEnvironment.isHeadless()) {
        System.out.println("\nSorry, Cosis is not command-line friendly,"
                + "\nalthough it wouldn't be hard to make a CLI interface...\n"
                + "send me an email if you want one: " + CONTACT + "\n");
        System.exit(0);//from  www  .  j a  v  a 2  s. c  om
    }

    //Check the OS and Java Version. Version >= 1.6 && OS != Macintosh
    String osName = System.getProperty("os.name");
    if (osName.startsWith("Windows")) {
        WIN = true;
    } else if (osName.startsWith("Mac")) {
        MAC = true;
    } else {
        UNIX = true;
    }

    try {
        double javaVersion = Double.parseDouble(System.getProperty("java.specification.version"));
        if (javaVersion < 1.5) {
            JOptionPane.showMessageDialog(null,
                    "Your system has an outdated version of the Java" + " Runtime Environment (" + javaVersion
                            + ").\n" + "Please update your version.",
                    "Outdated Java - " + Main.NAME, JOptionPane.INFORMATION_MESSAGE);
            System.exit(0);
        }
    } catch (NumberFormatException x) {
        System.err.println("COSIS - VERSION CHECKING FAILED");
        x.printStackTrace();
        System.exit(1);
    }

    /**
     * From here on, we're on a normal OS with a proper version of Java.
     */
    try {
        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
    } catch (Exception x) {
        System.err.println("COSIS - NATIVE SYSTEM THEME SET FAILED");
        x.printStackTrace();
        System.exit(1);
    }

    TRAY = SystemTray.isSupported();
    FIRST_RUN = FileIO.isFirstRun();
    Security.addProvider(new BouncyCastleProvider());
    wm = new WindowManager();
    //Start the GUI
    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            if (FIRST_RUN) {
                wm.setMajorWindow(new Welcome());
            } else {
                wm.setMajorWindow(new SignIn());
            }
        }
    });
}

From source file:craterdog.security.RsaAesMessageCryptex.java

License:Open Source License

/**
 * This default constructor creates the cryptex and initializes the security provider.
 */// ww w . j  a  v a  2 s. c o  m
public RsaAesMessageCryptex() {
    logger.entry();
    Security.addProvider(new BouncyCastleProvider());
    logger.exit();
}

From source file:craterdog.security.RsaCertificateManager.java

License:Open Source License

/**
 * This default constructor sets up the security implementation provider.
 *///from w ww  . j a v a  2 s.  c o m
public RsaCertificateManager() {
    logger.entry();
    logger.debug("Adding the security implementation provider...");
    Security.addProvider(new BouncyCastleProvider());
    logger.exit();
}

From source file:cryptcod.helpers.AES.java

/**
 * @param args//ww  w  . ja  v a  2  s  . com
 * @throws Exception
 */
public static void main(String[] args) throws Exception {
    Security.addProvider(new BouncyCastleProvider());

    String password = "TESTPASS";
    String salt = "1234";

    /* Derive the key, given password and salt. */
    SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
    KeySpec spec = new PBEKeySpec(password.toCharArray(), salt.getBytes(), 65536, 256);
    SecretKey tmp = factory.generateSecret(spec);
    SecretKey secret = new SecretKeySpec(tmp.getEncoded(), ALGORITHM);

    /* Encrypt the message. */

    //GCMParameterSpec test = new GCMParameterSpec();

    Cipher cipher = Cipher.getInstance(ALGORITHM + "/" + MODE + "/" + PADDING, "BC");
    cipher.init(Cipher.ENCRYPT_MODE, secret);
    AlgorithmParameters params = cipher.getParameters();
    byte[] iv = params.getParameterSpec(IvParameterSpec.class).getIV();
    System.out.println("IV length: " + iv.length * 8);
    byte[] ciphertext = cipher.doFinal(TESTTEXT.getBytes(ENCODING));
    System.out.println(new String(ciphertext, ENCODING));
    System.out.println(ciphertext.length);
    ciphertext[45] = 6;

    /* Decrypt the message, given derived key and initialization vector. */
    Cipher cipher2 = Cipher.getInstance(ALGORITHM + "/" + MODE + "/" + PADDING, "BC");
    cipher2.init(Cipher.DECRYPT_MODE, secret, new IvParameterSpec(iv));
    String plaintext = new String(cipher2.doFinal(ciphertext), ENCODING);
    System.out.println(plaintext);
}

From source file:Crypto.ChiffreDES.java

@Override
public void init(Cle k) {
    Security.addProvider(new BouncyCastleProvider());
    this.Cle = (CleDES) k;
}

From source file:Crypto.ChiffreDES.java

@Override
public String crypte(String plainTextObj) // passer un String et return des bytes
{
    Security.addProvider(new BouncyCastleProvider());
    String plainText = (String) plainTextObj;
    String textCr = null;/*from w  w w  .  j a v  a 2s.  c  o  m*/
    byte[] texteCrypte = null;
    byte[] encodedBytes = null;
    try {
        Cipher chiffrement = Cipher.getInstance("DES/ECB/PKCS5Padding", "BC");
        chiffrement.init(Cipher.ENCRYPT_MODE, this.Cle.getSecretKey());
        byte[] texteClair = plainText.getBytes();
        byte[] ciphertext = chiffrement.doFinal(texteClair);
        encodedBytes = Base64.encodeBase64(ciphertext);
        System.out.println("EncodedBytes" + new String(encodedBytes));
    } catch (IllegalBlockSizeException ex) {
        Logger.getLogger(ChiffreDES.class.getName()).log(Level.SEVERE, null, ex);
    } catch (BadPaddingException ex) {
        Logger.getLogger(ChiffreDES.class.getName()).log(Level.SEVERE, null, ex);
    } catch (NoSuchAlgorithmException ex) {
        Logger.getLogger(ChiffreDES.class.getName()).log(Level.SEVERE, null, ex);
    } catch (NoSuchProviderException ex) {
        Logger.getLogger(ChiffreDES.class.getName()).log(Level.SEVERE, null, ex);
    } catch (NoSuchPaddingException ex) {
        Logger.getLogger(ChiffreDES.class.getName()).log(Level.SEVERE, null, ex);
    } catch (InvalidKeyException ex) {
        Logger.getLogger(ChiffreDES.class.getName()).log(Level.SEVERE, null, ex);
    }

    return new String(encodedBytes);
}

From source file:crypto.performance.Libraries.java

License:Open Source License

/**
 * Register all libraries before testing.
 *
 * @since 1.0/*w  ww. j  av a  2  s .  c  o  m*/
 */
public static void registerProviders() {
    Security.addProvider(new BouncyCastleProvider());
    Security.addProvider(new FlexiCoreProvider());
    Security.addProvider(new FlexiECProvider());
    System.out.println("Providers:");
    System.out.println(Arrays.toString(Security.getProviders()));
}