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

Example 6 with CipherOutputStream

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

the class CipherOutputStream1Test method testCipherOutputStream.

/**
     * CipherOutputStream(OutputStream os) method testing. Tests that
     * CipherOutputStream uses NullCipher if Cipher is not specified
     * in the constructor.
     */
public void testCipherOutputStream() throws Exception {
    byte[] data = new byte[] { -127, -100, -50, -10, -1, 0, 1, 10, 50, 127 };
    TestOutputStream tos = new TestOutputStream();
    CipherOutputStream cos = new CipherOutputStream(tos) {
    };
    cos.write(data);
    cos.flush();
    byte[] result = tos.toByteArray();
    if (!Arrays.equals(result, data)) {
        fail("NullCipher should be used " + "if Cipher is not specified.");
    }
}

Example 7 with CipherOutputStream

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

the class CipherOutputStream1Test method test_ConstructorLjava_io_OutputStreamLjavax_crypto_Cipher.

public void test_ConstructorLjava_io_OutputStreamLjavax_crypto_Cipher() throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    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);
    CipherOutputStream cos = new CipherOutputStream(baos, c);
    assertNotNull(cos);
}

Example 8 with CipherOutputStream

use of javax.crypto.CipherOutputStream in project AndroidChromium by JackyAndroid.

the class TabState method saveState.

/**
     * Writes the TabState to disk. This method may be called on either the UI or background thread.
     * @param file File to write the tab's state to.
     * @param state State object obtained from from {@link Tab#getState()}.
     * @param encrypted Whether or not the TabState should be encrypted.
     */
public static void saveState(File file, TabState state, boolean encrypted) {
    if (state == null || state.contentsState == null) {
        return;
    }
    // Create the byte array from contentsState before opening the FileOutputStream, in case
    // contentsState.buffer is an instance of MappedByteBuffer that is mapped to
    // the tab state file.
    byte[] contentsStateBytes = new byte[state.contentsState.buffer().limit()];
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        state.contentsState.buffer().rewind();
        state.contentsState.buffer().get(contentsStateBytes);
    } else {
        // http://b.android.com/53637.
        for (int i = 0; i < state.contentsState.buffer().limit(); i++) {
            contentsStateBytes[i] = state.contentsState.buffer().get(i);
        }
    }
    DataOutputStream dataOutputStream = null;
    FileOutputStream fileOutputStream = null;
    try {
        fileOutputStream = new FileOutputStream(file);
        if (encrypted) {
            Cipher cipher = CipherFactory.getInstance().getCipher(Cipher.ENCRYPT_MODE);
            if (cipher != null) {
                dataOutputStream = new DataOutputStream(new CipherOutputStream(fileOutputStream, cipher));
            } else {
                // better than failing to provide the guarantee of Incognito Mode.
                return;
            }
        } else {
            dataOutputStream = new DataOutputStream(fileOutputStream);
        }
        if (encrypted) {
            dataOutputStream.writeLong(KEY_CHECKER);
        }
        dataOutputStream.writeLong(state.timestampMillis);
        dataOutputStream.writeInt(contentsStateBytes.length);
        dataOutputStream.write(contentsStateBytes);
        dataOutputStream.writeInt(state.parentId);
        dataOutputStream.writeUTF(state.openerAppId != null ? state.openerAppId : "");
        dataOutputStream.writeInt(state.contentsState.version());
        dataOutputStream.writeLong(state.syncId);
        dataOutputStream.writeBoolean(state.shouldPreserve);
        dataOutputStream.writeInt(state.themeColor);
    } catch (FileNotFoundException e) {
        Log.w(TAG, "FileNotFoundException while attempting to save TabState.");
    } catch (IOException e) {
        Log.w(TAG, "IOException while attempting to save TabState.");
    } finally {
        StreamUtil.closeQuietly(dataOutputStream);
        StreamUtil.closeQuietly(fileOutputStream);
    }
}

Example 9 with CipherOutputStream

use of javax.crypto.CipherOutputStream in project AndroidChromium by JackyAndroid.

the class CookiesFetcher method saveFetchedCookiesToDisk.

private void saveFetchedCookiesToDisk(CanonicalCookie[] cookies) {
    DataOutputStream out = null;
    try {
        Cipher cipher = CipherFactory.getInstance().getCipher(Cipher.ENCRYPT_MODE);
        if (cipher == null) {
            // Something is wrong. Can't encrypt, don't save cookies.
            return;
        }
        ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
        CipherOutputStream cipherOut = new CipherOutputStream(byteOut, cipher);
        out = new DataOutputStream(cipherOut);
        CanonicalCookie.saveListToStream(out, cookies);
        out.close();
        ImportantFileWriterAndroid.writeFileAtomically(fetchFileName(mContext), byteOut.toByteArray());
        out = null;
    } catch (IOException e) {
        Log.w(TAG, "IOException during Cookie Fetch");
    } catch (Throwable t) {
        Log.w(TAG, "Error storing cookies.", t);
    } finally {
        try {
            if (out != null)
                out.close();
        } catch (IOException e) {
            Log.w(TAG, "IOException during Cookie Fetch");
        }
    }
}

Example 10 with CipherOutputStream

use of javax.crypto.CipherOutputStream in project jdk8u_jdk by JetBrains.

the class CipherStreamClose method streamEncrypt.

public static byte[] streamEncrypt(String message, SecretKey key, MessageDigest digest) throws Exception {
    byte[] data;
    Cipher encCipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
    encCipher.init(Cipher.ENCRYPT_MODE, key);
    try (ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DigestOutputStream dos = new DigestOutputStream(bos, digest);
        CipherOutputStream cos = new CipherOutputStream(dos, encCipher)) {
        try (ObjectOutputStream oos = new ObjectOutputStream(cos)) {
            oos.writeObject(message);
        }
        data = bos.toByteArray();
    }
    if (debug) {
        System.out.println(DatatypeConverter.printHexBinary(data));
    }
    return data;
}