tests := []testCase{
		// Test - 1 valid buffer with CRLF.
		{bytes.NewReader([]byte("\r\n")), nil},
		// Test - 2 invalid buffer with no CRLF.
		{bytes.NewReader([]byte("he")), errMalformedEncoding},
		// Test - 3 invalid buffer with more characters.
		{bytes.NewReader([]byte("he\r\n")), errMalformedEncoding},
		// Test - 4 smaller buffer than expected.
		{bytes.NewReader([]byte("h")), io.ErrUnexpectedEOF},
	}
	for i, tt := range tests {

                bytes[byteIndex++] = (byte) (0xC0 | (c >> 6));
                bytes[byteIndex++] = (byte) (0x80 | (c & 0x3F));
            } else {
                bytes[byteIndex++] = (byte) (0xE0 | (c >> 12));
                bytes[byteIndex++] = (byte) (0x80 | ((c >> 6) & 0x3F));
                bytes[byteIndex++] = (byte) (0x80 | (c & 0x3F));
            }
        }

        return Arrays.copyOf(bytes, byteIndex);
    }

  internal const val OPCODE_FLAG_CONTROL = 8

  /**
   * Byte 1 flag for whether the payload data is masked.
   *
   * If this flag is set, the next four
   * bytes represent the mask key. These bytes appear after any additional bytes specified by [B1_MASK_LENGTH].
   */
  internal const val B1_FLAG_MASK = 128

  /**
   * Byte 1 mask for the payload length.
   *
   * If this value is [PAYLOAD_SHORT], the next two

// it.
func ParseUnverifiedStandardClaims(token []byte, claims *StandardClaims, buf []byte) (*SigningMethodHMAC, error) {
	if bytes.Count(token, []byte(".")) != 2 {
		return nil, jwtgo.ErrSignatureInvalid
	}

	i := bytes.IndexByte(token, '.')
	j := bytes.LastIndexByte(token, '.')

	n, err := base64DecodeBytes(token[:i], buf)
	if err != nil {

	IV        []byte
	Nonce     []byte
	Bytes     []byte
}

// UnmarshalJSON parses the given text as JSON-encoded
// ciphertext.
//
// UnmarshalJSON provides backward-compatible unmarsahaling
// of existing ciphertext. In the past, ciphertexts were
// JSON-encoded. Now, ciphertexts are binary-encoded.
// Therefore, there is no MarshalJSON implementation.
func (c *ciphertext) UnmarshalJSON(text []byte) error {
	const (

    public static final byte TRANS2_SET_FILE_INFORMATION = (byte) 0x08;

    /**
     * Network share enumeration subcommand
     */
    public static final byte NET_SHARE_ENUM = (byte) 0x00;
    /**
     * Network server enumeration subcommand version 2
     */
    public static final byte NET_SERVER_ENUM2 = (byte) 0x68;
    /**
     * Network server enumeration subcommand version 3
     */

            // Arrange
            Smb2LogoffResponse resp = newResponse();
            byte[] buffer = new byte[8];
            byte[] original = buffer.clone();

            // Act
            int written = resp.writeBytesWireFormat(buffer, index);

            // Assert
            assertEquals(0, written, "Should report 0 bytes written");
            assertArrayEquals(original, buffer, "Buffer must remain unchanged");
        }

     *
     * @param b the byte array to write
     * @param i the starting index in the array
     * @param l the number of bytes to write
     */
    public void writeOctetArray(final byte[] b, final int i, final int l) {
        System.arraycopy(b, i, this.buf, this.index, l);
        advance(l);
    }

    /**
     * Reads an octet array from the buffer.
     *
     * @param b the byte array to read into

     *
     * @return encoded bytes
     */
    public byte[] encode() {
        // NETWORK_INTERFACE_INFO structure per MS-SMB2 2.2.32.5.1
        // Total size: 152 bytes
        byte[] buffer = new byte[Smb2ChannelCapabilities.NETWORK_INTERFACE_INFO_SIZE];
        ByteBuffer bb = ByteBuffer.wrap(buffer).order(ByteOrder.LITTLE_ENDIAN);

        // Next field (4 bytes) - offset to next entry (0 for last entry)

    }

    @Test
    @DisplayName("Should handle AES encryption operations")
    void testAESOperations() throws Exception {
        // Given
        byte[] key = new byte[16]; // 128-bit key
        byte[] iv = new byte[16]; // 128-bit IV
        byte[] plaintext = "This is test data for AES encryption test".getBytes();

        new SecureRandom().nextBytes(key);
        new SecureRandom().nextBytes(iv);