// 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);

    @DisplayName("Should calculate MD4 hash correctly")
    void testMD4Hash() {
        // Given
        String input = "Hello World";
        byte[] data = input.getBytes();

        // When
        MessageDigest md4 = Crypto.getMD4();
        byte[] hash = md4.digest(data);

        // Then
        assertNotNull(hash);
        assertEquals(16, hash.length); // MD4 produces 128-bit hash
    }

    @Test

        // 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");

    }

    /**
     * Returns the hash code for this RegexRule.
     * @return The hash code.
     */
    @Override
    public int hashCode() {
        int hash = regexMap.hashCode();
        if (defaultRule) {
            hash = hash * 31 + 1;
        }
        if (allRequired) {
            hash = hash * 31 + 2;
        }
        return hash;
    }

    /**

            }
        }

        final String targetUrl = pathMappingHelper.replaceUrl(url);

        String hash;
        if (StringUtil.isNotBlank(form.hash)) {
            final String value = URLUtil.decode(form.hash, Constants.UTF_8);
            if (targetUrl.indexOf('#') == -1) {
                final StringBuilder buf = new StringBuilder(value.length() + 100);

        assertArrayEquals(testHash, avChannelBindings.getRaw(), "Value should match the provided hash");
    }

    /**
     * Test that the constructor handles a null channel binding hash.
     */
    @Test
    void testConstructorWithNullHash() {
        AvChannelBindings avChannelBindings = new AvChannelBindings(null);

    }

    /**
     * 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