// Verify hash is not null
        byte[] hash = transport.getPreauthIntegrityHash();
        assertNotNull(hash);

        // Verify hash is a copy, not the original
        byte[] hash2 = transport.getPreauthIntegrityHash();
        assertNotSame(hash, hash2);
        assertArrayEquals(hash, hash2);
    }

    /**
     * Test that pre-auth hash is reset on error
     */
    @Test

            byte[] hash1 = transport.calculatePreauthHash(input, 0, input.length, null);
            assertNotNull(hash1);
            assertEquals(64, hash1.length, "SHA-512 size");

            byte[] hash2 = transport.calculatePreauthHash(new byte[] { 50 }, 0, 1, hash1);
            assertNotNull(hash2);
            assertEquals(64, hash2.length);

        // Act
        byte[] hash1 = NtlmUtil.getNTHash(password1);
        byte[] hash2 = NtlmUtil.getNTHash(password2);

        // Assert
        assertFalse(Arrays.equals(hash1, hash2), "Different passwords should produce different hashes");
        assertEquals(16, hash1.length, "NT hash should be 16 bytes");
        assertEquals(16, hash2.length, "NT hash should be 16 bytes");
    }

    @Test

    }

    @Test
    void hashCode_shouldBeConsistent() {
        Name name = new Name(mockConfig, "TEST", 0x20, "scope");
        int hash1 = name.hashCode();
        int hash2 = name.hashCode();

        assertEquals(hash1, hash2);
    }

    @Test
    void hashCode_withSameValues_shouldBeEqual() {
        Name name1 = new Name(mockConfig, "TEST", 0x20, "scope");

    }

    /**
     * Gets the selected hash algorithm.
     *
     * @return the hash algorithm
     */
    public int getSelectedHashAlgorithm() {
        return selectedHashAlgorithm;
    }

    /**
     * Calculates hash according to SMB 3.1.1 preauth integrity specification.
     *
     * @param previousHash the previous hash in the chain
     * @param messageData the message data to hash

                }
            }
        }
        return hash;
    }

    /**
     * Encodes a similar document hash using GZIP compression and Base64 encoding.
     * This reduces storage space for hash values while maintaining uniqueness.
     *
     * @param hash the hash string to encode

        buffer = new byte[BUFFER_SIZE];
    }

    @Nested
    @DisplayName("Constructor Tests")
    class ConstructorTests {

        @Test
        @DisplayName("Should create instance with Configuration, hash algorithms and salt")
        void testConstructorWithConfigHashAlgosAndSalt() {
            int[] hashAlgos = { PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512 };
            byte[] salt = { 0x01, 0x02, 0x03, 0x04 };

        return nTOWFv2(domain, username, getNTHash(password));
    }

    /**
     * Generates the NTOWFv2 hash for the given domain, username, and password hash.
     *
     * @param domain the authentication domain
     * @param username the username
     * @param passwordHash
     *            NT password hash
     *
     * @return the calculated mac
     */

    }

    /**
     * Get channel binding hash
     *
     * @return binding hash bytes
     */
    public byte[] getBindingHash() {
        return bindingHash;
    }

    /**
     * Set channel binding hash
     *
     * @param bindingHash binding hash bytes
     */
    public void setBindingHash(byte[] bindingHash) {

        byte[] expectedHash = preauthService.getCurrentPreauthHash(sessionId);

        // Validation should pass with correct hash
        assertTrue(preauthService.validatePreauthIntegrity(sessionId, expectedHash));

        // Validation should fail with incorrect hash
        byte[] incorrectHash = new byte[expectedHash.length];
        secureRandom.nextBytes(incorrectHash);