/**
     * Encrypts the given data.
     *
     * @param data
     *            the data to encrypt
     * @return the encrypted data
     */
    public byte[] encrypt(final byte[] data) {
        final Cipher cipher = pollEncryptoCipher();
        byte[] encrypted;
        try {
            encrypted = cipher.doFinal(data);
        } catch (final IllegalBlockSizeException e) {

                final Type3Message type3 = new Type3Message(src);
                byte[] lmResponse = type3.getLMResponse();
                if (lmResponse == null) {
                    lmResponse = new byte[0];
                }
                byte[] ntResponse = type3.getNTResponse();
                if (ntResponse == null) {
                    ntResponse = new byte[0];
                }

     * File end-of-file information class constant.
     */
    byte FILE_ENDOFFILE_INFO = 20;

    /**
     * File basic information class constant.
     */
    byte FILE_BASIC_INFO = 0x4;
    /**
     * File standard information class constant.
     */
    byte FILE_STANDARD_INFO = 0x5;

    /**
     * File internal information class constant.
     */
    byte FILE_INTERNAL_INFO = 0x6;

    /**

    FileBackedOutputStream out = new FileBackedOutputStream(/* fileThreshold= */ 10);
    ByteSource source = out.asByteSource();

    byte[] chunk1 = newPreFilledByteArray(8); // Below threshold
    byte[] chunk2 = newPreFilledByteArray(5); // Crosses threshold
    byte[] chunk3 = newPreFilledByteArray(20); // More data to file

    out.write(chunk1);
    assertThat(out.getFile()).isNull();

    out.write(chunk2);

	}
	return nil
}

func sealETag(encKey crypto.ObjectKey, md5CurrSum []byte) []byte {
	var emptyKey [32]byte
	if bytes.Equal(encKey[:], emptyKey[:]) {
		return md5CurrSum
	}
	return encKey.SealETag(md5CurrSum)
}

func sealETagFn(key crypto.ObjectKey) SealMD5CurrFn {
	fn := func(md5sumcurr []byte) []byte {
		return sealETag(key, md5sumcurr)
	}
	return fn
}

    /**
     * Creates a security descriptor by decoding from a byte buffer.
     *
     * @param buffer the byte buffer containing the security descriptor data
     * @param bufferIndex the starting offset in the buffer
     * @param len the length of data to decode
     * @throws IOException if an I/O error occurs during decoding
     */
    public SecurityDescriptor(final byte[] buffer, final int bufferIndex, final int len) throws IOException {

     */
    int read(byte[] b) throws SmbException;

    /**
     * Read into buffer from current position
     *
     * @param b
     *            buffer
     * @param off
     *            offset into buffer
     * @param len
     *            read up to <code>len</code> bytes
     * @return number of bytes read
     * @throws SmbException if an I/O error occurs during read
     */

        CurlResponse response = new CurlResponse();
        byte[] data = "test content".getBytes();
        ContentCache cache = new ContentCache(data);
        response.setContentCache(cache);

        try (InputStream stream = response.getContentAsStream()) {
            assertNotNull(stream);
            byte[] buffer = new byte[1024];
            int bytesRead = stream.read(buffer);

    }

    @Override
    public int size() {
        // Context header: 16 bytes
        // Name: 4 bytes ("RqLs")
        // Padding: 4 bytes (to align data to 8-byte boundary)
        // Data: 32 bytes (lease V1 structure)
        return 16 + 4 + 4 + 32;
    }

    @Override
    public int encode(byte[] dst, int dstIndex) {
        int start = dstIndex;

        // Write context header

        maxDataCount = 0;
        maxSetupCount = (byte) 0x00;
    }

    @Override
    int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = subCommand;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        return 2;
    }

    @Override
    int writeParametersWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;