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

Example 21 with KeyGenerator

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

the class myKeyGenerator method testInitKey.

/*
     * Test for <code>init(int keysize)</code> and
     * <code>init(int keysize, SecureRandom random)</code> methods
     * Assertion: throws InvalidParameterException if keysize is wrong
     *
     */
public void testInitKey() throws Exception {
    byte flag = 0xF;
    if (!DEFSupported) {
        fail(NotSupportMsg);
        return;
    }
    if (defaultAlgorithm.equals(validAlgorithmsKeyGenerator[validAlgorithmsKeyGenerator.length - 1])) {
        return;
    }
    int[] size = { Integer.MIN_VALUE, -1, 0, 112, 168, Integer.MAX_VALUE };
    KeyGenerator[] kgs = createKGs();
    SecureRandom random = new SecureRandom();
    for (int i = 0; i < kgs.length; i++) {
        for (int j = 0; j < size.length; j++) {
            try {
                kgs[i].init(size[j]);
                flag &= 0xE;
            } catch (InvalidParameterException ignore) {
                flag &= 0xD;
            }
            try {
                kgs[i].init(size[j], random);
                flag &= 0xB;
            } catch (InvalidParameterException ignore) {
                flag &= 0x7;
            }
        }
    }
    assertTrue(flag == 0);
}

Example 22 with KeyGenerator

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

the class CipherInputStream1Test method test_ConstructorLjava_io_InputStreamLjavax_crypto_Cipher.

public void test_ConstructorLjava_io_InputStreamLjavax_crypto_Cipher() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException {
    ByteArrayInputStream bais = new ByteArrayInputStream(new byte[100]);
    KeyGenerator kg = KeyGenerator.getInstance("DES");
    kg.init(56, new SecureRandom());
    Key key = kg.generateKey();
    Cipher c = Cipher.getInstance("DES/CBC/NoPadding");
    c.init(Cipher.ENCRYPT_MODE, key);
    CipherInputStream cis = new CipherInputStream(bais, c);
    assertNotNull(cis);
}

Example 23 with KeyGenerator

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

the class SealedObjectTest method testGetObject1.

/**
     * getObject(Key key) method testing. Tests if the object sealed with
     * encryption algorithm and specified parameters can be retrieved by
     * specifying the cryptographic key.
     */
public void testGetObject1() throws Exception {
    KeyGenerator kg = KeyGenerator.getInstance("DES");
    Key key = kg.generateKey();
    IvParameterSpec ips = new IvParameterSpec(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 });
    Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding");
    cipher.init(Cipher.ENCRYPT_MODE, key, ips);
    String secret = "secret string";
    Mock_SealedObject so = new Mock_SealedObject(secret, cipher);
    assertEquals("The returned object does not equals to the " + "original object.", secret, so.getObject(key));
    assertTrue("The encodedParams field of SealedObject object " + "should contain the encoded algorithm parameters.", Arrays.equals(so.get_encodedParams(), cipher.getParameters().getEncoded()));
    try {
        so.getObject((Key) null);
        fail("InvalidKeyException expected");
    } catch (InvalidKeyException e) {
    //expected
    } catch (NullPointerException e) {
    //also ok
    }
}

Example 24 with KeyGenerator

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

the class SealedObjectTest method testSealedObject1.

/**
     * SealedObject(Serializable object, Cipher c) method testing. Tests if the
     * NullPointerException is thrown in the case of null cipher.
     */
public void testSealedObject1() throws Exception {
    String secret = "secret string";
    try {
        new SealedObject(secret, null);
        fail("NullPointerException should be thrown in the case " + "of null cipher.");
    } catch (NullPointerException e) {
    }
    KeyGenerator kg = KeyGenerator.getInstance("DES");
    Key key = kg.generateKey();
    IvParameterSpec ips = new IvParameterSpec(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 });
    Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding");
    cipher.init(Cipher.ENCRYPT_MODE, key, ips);
    SealedObject so = new SealedObject(secret, cipher);
    cipher = Cipher.getInstance("DES/CBC/NoPadding");
    cipher.init(Cipher.ENCRYPT_MODE, key, ips);
    try {
        new SealedObject(secret, cipher);
        fail("IllegalBlockSizeException expected");
    } catch (IllegalBlockSizeException e) {
    //expected
    }
}

Example 25 with KeyGenerator

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

the class SealedObjectTest method testGetObject3.

/**
     * getObject(Key key, String provider) method testing. Tests if the proper
     * exception is thrown in the case of incorrect input parameters and if the
     * object sealed with encryption algorithm can be retrieved by specifying
     * the cryptographic key and provider name.
     */
public void testGetObject3() throws Exception {
    try {
        new SealedObject("secret string", new NullCipher()).getObject(new SecretKeySpec(new byte[] { 0, 0, 0 }, "algorithm"), null);
        fail("IllegalArgumentException should be thrown in the case of " + "null provider.");
    } catch (IllegalArgumentException e) {
    }
    try {
        new SealedObject("secret string", new NullCipher()).getObject(new SecretKeySpec(new byte[] { 0, 0, 0 }, "algorithm"), "");
        fail("IllegalArgumentException should be thrown in the case of " + "empty provider.");
    } catch (IllegalArgumentException e) {
    }
    KeyGenerator kg = KeyGenerator.getInstance("DES");
    Key key = kg.generateKey();
    Cipher cipher = Cipher.getInstance("DES");
    String provider = cipher.getProvider().getName();
    cipher.init(Cipher.ENCRYPT_MODE, key);
    String secret = "secret string";
    SealedObject so = new SealedObject(secret, cipher);
    cipher.init(Cipher.DECRYPT_MODE, key);
    assertEquals("The returned object does not equals to the " + "original object.", secret, so.getObject(key, provider));
    kg = KeyGenerator.getInstance("DESede");
    key = kg.generateKey();
    try {
        so.getObject(key, provider);
        fail("InvalidKeyException expected");
    } catch (InvalidKeyException e) {
    //expected
    }
    try {
        so.getObject(key, "Wrong provider name");
        fail("NoSuchProviderException expected");
    } catch (NoSuchProviderException e) {
    //expected
    }
}