assertNull(serverData.encryptionKey);
        assertNull(serverData.guid);
    }

    /**
     * Test setting and getting byte field (sflags)
     */
    @ParameterizedTest
    @ValueSource(bytes = { 0x00, 0x01, 0x7F, (byte) 0x80, (byte) 0xFF })
    @DisplayName("Test sflags field with various byte values")
    public void testSflagsField(byte value) {
        // When
        serverData.sflags = value;

        // Then

 */
@ExtendWith(MockitoExtension.class)
class SocketInputStreamTest {

    /**
     * Creates a NetBIOS session message header.
     * The header format is:
     * - Byte 0: Message type (0x00 for SESSION_MESSAGE)
     * - Byte 1: High bit of 17-bit length field
     * - Bytes 2-3: Lower 16 bits of length field
     */
    private static byte[] messageHeader(int length) {
        byte[] h = new byte[4];

    }

    /**
     * LSA close handle message.
     */
    public static class LsarClose extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x00;
        }

        /** Return value from the RPC call. */
        public int retval;
        /** Policy handle to be closed. */
        public rpc.policy_handle handle;

        /**

                final byte[] clientChallenge = new byte[24];
                tc.getConfig().getRandom().nextBytes(clientChallenge);
                java.util.Arrays.fill(clientChallenge, 8, 24, (byte) 0x00);

                final byte[] ntlm2Response = NtlmUtil.getNTLM2Response(passwordHash, type2.getChallenge(), clientChallenge);

                setLMResponse(clientChallenge);

                }
                uni[ui] |= (ch & 0x3F) << 6;
                ch = src[si++] & 0xFF;
                uni[ui] |= ch & 0x3F;
                if ((ch & 0xC0) != 0x80 || uni[ui] < 0x800) {
                    throw new IOException("Invalid UTF-8 sequence");
                }
            } else {
                throw new IOException("Unsupported UTF-8 sequence");
            }
        }

                }
                uni[ui] |= (ch & 0x3F) << 6;
                ch = src[si++] & 0xFF;
                uni[ui] |= ch & 0x3F;
                if ((ch & 0xC0) != 0x80 || uni[ui] < 0x800) {
                    throw new IOException("Invalid UTF-8 sequence");
                }
            } else {
                throw new IOException("Unsupported UTF-8 sequence");
            }
        }

## 3. Lease Types and States

### 3.1 Lease State Flags
```java
public class Smb2LeaseState {
    // Lease state flags (can be combined)
    public static final int SMB2_LEASE_NONE           = 0x00;
    public static final int SMB2_LEASE_READ_CACHING   = 0x01;  // R - Read caching
    public static final int SMB2_LEASE_HANDLE_CACHING = 0x02;  // H - Handle caching  

        void testMaximumHashAlgoValues() throws SMBProtocolDecodingException {
            int[] hashAlgos = { 0xFFFF, 0x0000, 0x7FFF };
            byte[] salt = { (byte) 0xFF, 0x00, 0x7F };
            PreauthIntegrityNegotiateContext originalContext = new PreauthIntegrityNegotiateContext(mockConfig, hashAlgos, salt);

            int encoded = originalContext.encode(buffer, 0);

    <magic priority="60">
      <match value="PE\000\000" type="string" offset="128">
         <match value="0x0200" type="little16" offset="132"/>
      </match>
      <match value="PE\000\000" type="string" offset="240">
         <match value="0x0200" type="little16" offset="244"/>
      </match>
    </magic>
  </mime-type>
  <mime-type type="application/x-msdownload;format=pe-armLE">

    }

    /**
     * LSA close handle message.
     */
    public static class LsarClose extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x00;
        }

        /** Return value from the RPC call. */
        public int retval;
        /** Policy handle to be closed. */
        public rpc.policy_handle handle;

        /**