Examples with KeyGenerator javax.crypto.KeyGenerator used on opensource projects

Example 11 with KeyGenerator

use of javax.crypto.KeyGenerator in project storm by nathanmarz.

the class BlowfishTupleSerializer method main.

/**
     * Produce a blowfish key to be used in "Storm jar" command
     */
public static void main(String[] args) {
    try {
        KeyGenerator kgen = KeyGenerator.getInstance("Blowfish");
        SecretKey skey = kgen.generateKey();
        byte[] raw = skey.getEncoded();
        String keyString = new String(Hex.encodeHex(raw));
        System.out.println("storm -c " + SECRET_KEY + "=" + keyString + " -c " + Config.TOPOLOGY_TUPLE_SERIALIZER + "=" + BlowfishTupleSerializer.class.getName() + " ...");
    } catch (Exception ex) {
        LOG.error(ex.getMessage());
        ex.printStackTrace();
    }
}

Example 12 with KeyGenerator

use of javax.crypto.KeyGenerator in project robovm by robovm.

the class AlgorithmParameterSymmetricHelper method test.

@Override
public void test(AlgorithmParameters parameters) {
    KeyGenerator generator = null;
    try {
        generator = KeyGenerator.getInstance(algorithmName);
    } catch (NoSuchAlgorithmException e) {
        Assert.fail(e.getMessage());
    }
    generator.init(keySize);
    Key key = generator.generateKey();
    Cipher cipher = null;
    try {
        String transformation = algorithmName;
        if (blockmode != null) {
            transformation += "/" + blockmode;
        }
        cipher = Cipher.getInstance(transformation);
    } catch (NoSuchAlgorithmException e) {
        Assert.fail(e.getMessage());
    } catch (NoSuchPaddingException e) {
        Assert.fail(e.getMessage());
    }
    try {
        cipher.init(Cipher.ENCRYPT_MODE, key, parameters);
    } catch (InvalidKeyException e) {
        Assert.fail(e.getMessage());
    } catch (InvalidAlgorithmParameterException e) {
        Assert.fail(e.getMessage());
    }
    byte[] bs = null;
    try {
        bs = cipher.doFinal(plainData.getBytes());
    } catch (IllegalBlockSizeException e) {
        Assert.fail(e.getMessage());
    } catch (BadPaddingException e) {
        Assert.fail(e.getMessage());
    }
    try {
        cipher.init(Cipher.DECRYPT_MODE, key, parameters);
    } catch (InvalidKeyException e) {
        Assert.fail(e.getMessage());
    } catch (InvalidAlgorithmParameterException e) {
        Assert.fail(e.getMessage());
    }
    byte[] decrypted = null;
    try {
        decrypted = cipher.doFinal(bs);
    } catch (IllegalBlockSizeException e) {
        Assert.fail(e.getMessage());
    } catch (BadPaddingException e) {
        Assert.fail(e.getMessage());
    }
    Assert.assertTrue(Arrays.equals(plainData.getBytes(), decrypted));
}

Example 13 with KeyGenerator

use of javax.crypto.KeyGenerator in project robovm by robovm.

the class ExemptionMechanismTest method test_initLjava_security_KeyLjava_security_AlgorithmParameters.

public void test_initLjava_security_KeyLjava_security_AlgorithmParameters() throws Exception {
    Provider mProv = (new SpiEngUtils()).new MyProvider("MyExMechProvider", "Provider for ExemptionMechanism testing", srvExemptionMechanism.concat(".").concat(defaultAlg), ExemptionMechanismProviderClass);
    ExemptionMechanism em = new ExemptionMechanism(new MyExemptionMechanismSpi(), mProv, defaultAlg) {
    };
    Key key = new MyExemptionMechanismSpi().new tmpKey("Proba", new byte[0]);
    em.init(key, AlgorithmParameters.getInstance("DES"));
    try {
        em.init(key, (AlgorithmParameters) null);
        fail("InvalidAlgorithmParameterException expected");
    } catch (InvalidAlgorithmParameterException e) {
    //expected
    }
    KeyGenerator kg = KeyGenerator.getInstance("DES");
    kg.init(56, new SecureRandom());
    key = kg.generateKey();
    try {
        em.init(null, AlgorithmParameters.getInstance("DES"));
        fail("InvalidKeyException expected");
    } catch (InvalidKeyException e) {
    //expected
    }
    try {
        em.init(key, AlgorithmParameters.getInstance("DES"));
        fail("ExemptionMechanismException expected");
    } catch (ExemptionMechanismException e) {
    //expected
    }
}

Example 14 with KeyGenerator

use of javax.crypto.KeyGenerator in project robovm by robovm.

the class ExemptionMechanismTest method test_initLjava_security_KeyLjava_security_spec_AlgorithmParameterSpec.

public void test_initLjava_security_KeyLjava_security_spec_AlgorithmParameterSpec() throws Exception {
    Provider mProv = (new SpiEngUtils()).new MyProvider("MyExMechProvider", "Provider for ExemptionMechanism testing", srvExemptionMechanism.concat(".").concat(defaultAlg), ExemptionMechanismProviderClass);
    ExemptionMechanism em = new ExemptionMechanism(new MyExemptionMechanismSpi(), mProv, defaultAlg) {
    };
    Key key = new MyExemptionMechanismSpi().new tmpKey("Proba", new byte[0]);
    em.init(key, new RSAKeyGenParameterSpec(10, new BigInteger("10")));
    try {
        em.init(key, (AlgorithmParameterSpec) null);
        fail("InvalidAlgorithmParameterException expected");
    } catch (InvalidAlgorithmParameterException e) {
    //expected
    }
    KeyGenerator kg = KeyGenerator.getInstance("DES");
    kg.init(56, new SecureRandom());
    key = kg.generateKey();
    try {
        em.init(null, new RSAKeyGenParameterSpec(10, new BigInteger("10")));
        fail("InvalidKeyException expected");
    } catch (InvalidKeyException e) {
    //expected
    }
    try {
        em.init(key, new RSAKeyGenParameterSpec(10, new BigInteger("10")));
        fail("ExemptionMechanismException expected");
    } catch (ExemptionMechanismException e) {
    //expected
    }
}

Example 15 with KeyGenerator

use of javax.crypto.KeyGenerator in project robovm by robovm.

the class myKeyGenerator method testGetInstanceString02.

/*
     * Test for <code> getInstance(String algorithm) </code> method
     * Assertions: returns KeyGenerator object
     */
public void testGetInstanceString02() throws NoSuchAlgorithmException {
    if (!DEFSupported) {
        fail(NotSupportMsg);
        return;
    }
    KeyGenerator keyG;
    for (int i = 0; i < validValues.length; i++) {
        keyG = KeyGenerator.getInstance(validValues[i]);
        assertEquals("Incorrect algorithm", keyG.getAlgorithm(), validValues[i]);
    }
}