*
 * This class represents negotiate contexts returned by the server
 * in response to negotiate context requests.
 *
 * @author mbechler
 */
public interface NegotiateContextResponse extends Decodable {

    /**
     * Gets the negotiate context type.
     *
     * @return the SMB2 negotiate context type
     */
    int getContextType();

        // Given
        NegotiateContextResponse[] contexts = new NegotiateContextResponse[2];
        contexts[0] = new EncryptionNegotiateContext();
        contexts[1] = new PreauthIntegrityNegotiateContext();
        setPrivateField(response, "negotiateContexts", contexts);

        // When
        NegotiateContextResponse[] result = response.getNegotiateContexts();

        // Then

    class InterfaceTest {

        @Test
        @DisplayName("Should implement NegotiateContextResponse interface correctly")
        void testInterfaceImplementation() {
            // Arrange
            NegotiateContextResponse preauthContext = new PreauthIntegrityNegotiateContext();
            NegotiateContextResponse encContext = new EncryptionNegotiateContext();

            // Assert

                        "Negotiate context offset points beyond buffer (offset: " + ncpos + ", buffer size: " + buffer.length + ")");
            }

            final NegotiateContextResponse[] contexts = new NegotiateContextResponse[negotiateContextCount];
            for (int i = 0; i < negotiateContextCount; i++) {
                // Validate sufficient buffer space for context header

        }

        @Test
        @DisplayName("Should implement NegotiateContextResponse interface")
        void testImplementsNegotiateContextResponse() {
            EncryptionNegotiateContext context = new EncryptionNegotiateContext();

            assertTrue(context instanceof NegotiateContextResponse);
        }

        @Test
        @DisplayName("Should be usable as both request and response")

 * pre-authentication integrity protection against downgrade attacks.
 *
 * @author mbechler
 */
public class PreauthIntegrityNegotiateContext implements NegotiateContextRequest, NegotiateContextResponse {

    /**
     * Context type
     */
    public static final int NEGO_CTX_PREAUTH_TYPE = 0x1;

    /**
     * SHA-512
     */
    public static final int HASH_ALGO_SHA512 = 0x1;

 *
 * This negotiate context is used in SMB 3.x to negotiate
 * encryption capabilities and cipher suites.
 *
 * @author mbechler
 */
public class EncryptionNegotiateContext implements NegotiateContextRequest, NegotiateContextResponse {

    /**
     * Context type
     */
    public static final int NEGO_CTX_ENC_TYPE = 0x2;

    /**
     * AES 128 CCM
     */
    public static final int CIPHER_AES128_CCM = 0x1;

 * capabilities when SMB Direct is supported by the client and server.
 */
public class Smb2RdmaTransformCapabilitiesContext implements NegotiateContextRequest, NegotiateContextResponse {

    // Context type
    /** Context ID for RDMA transform capabilities */
    public static final int CONTEXT_ID = Smb2Constants.SMB2_RDMA_TRANSFORM_CAPABILITIES;

    // Transform count and reserved fields

 *
 * This context is used during SMB2 negotiation to negotiate compression
 * algorithms for SMB3 data compression support.
 */
public class CompressionNegotiateContext implements NegotiateContextRequest, NegotiateContextResponse {

    private static final Logger log = LoggerFactory.getLogger(CompressionNegotiateContext.class);

    // Context type
    /** Context ID for compression capabilities */

        }

        @Test
        @DisplayName("Should implement NegotiateContextResponse interface")
        void testImplementsNegotiateContextResponse() {
            PreauthIntegrityNegotiateContext context = new PreauthIntegrityNegotiateContext();

            assertTrue(context instanceof NegotiateContextResponse);
        }

        @Test