// Then
        assertFalse(Arrays.equals(decKey300, decKey311), "Decryption keys should be different for different dialects");
    }

    @Test
    @DisplayName("Should derive different keys for different purposes with same dialect")
    void testDeriveKeys_DifferentPurposes() {
        // Given
        int dialect = Smb2Constants.SMB2_DIALECT_0311;

        // Results should be different
        boolean different = false;
        for (int i = 0; i < result1.length; i++) {
            if (result1[i] != result2[i]) {
                different = true;
                break;
            }
        }
        assertEquals(true, different, "Different keys should produce different HMAC values");
    }

    @Test

        CharMappingItem item4 = new CharMappingItem(4L, inputs1, "different");

        // Same inputs and output should have same hash code
        assertEquals(item1.hashCode(), item2.hashCode());

        // Different inputs should have different hash code
        assertNotSame(item1.hashCode(), item3.hashCode());

        // Same inputs but different output should have different hash code

        byte[] encrypted2 = storage.encryptCredentials(plaintext.clone());

        // Should produce different ciphertexts due to random IV
        assertFalse(Arrays.equals(encrypted1, encrypted2), "Different encryptions should produce different ciphertexts");

        // But both should decrypt to same plaintext
        char[] decrypted1 = storage.decryptCredentials(encrypted1);

        ProtwordsItem item2 = new ProtwordsItem(2, "word");
        ProtwordsItem item3 = new ProtwordsItem(1, "different");

        // Same input should have same hashCode regardless of id
        assertEquals(item1.hashCode(), item2.hashCode());

        // Different input should have different hashCode
        assertNotSame(item1.hashCode(), item3.hashCode());

        // Consistent hashCode

        assertEquals(32, derived3.length, "Derived key should have correct length");

        assertFalse(Arrays.equals(derived1, derived2), "Different labels should produce different keys");
        assertFalse(Arrays.equals(derived1, derived3), "Different contexts should produce different keys");
    }

    @Test
    public void testStoreNullKey() {

        assertEquals(tag1.hashCode(), tag2.hashCode());

        // Different tag
        PrunedTag tagDifferentTag = new PrunedTag("span");
        tagDifferentTag.setId("test");
        tagDifferentTag.setCss("highlight");
        tagDifferentTag.setAttr("data-value", "123");
        assertFalse(tag1.equals(tagDifferentTag));

        // Different id
        PrunedTag tagDifferentId = new PrunedTag("div");

        // Assert
        assertArrayEquals(expected, actual, "NT hash must match known test vector");
    }

    @Test
    @DisplayName("getNTHash: verify different passwords produce different hashes")
    void testGetNTHash_differentPasswords() {
        // Arrange
        String password1 = "password";
        String password2 = "Password";

        // Act

        try {
            // Time comparison between different length passwords
            long timeDiffLength = measureEqualsTime(auth1, auth2, TIMING_ITERATIONS);

            // Create same length passwords for comparison
            char[] password3 = "short".toCharArray();
            char[] password4 = "shore".toCharArray(); // Same length, different content

        StopwordsItem item4 = new StopwordsItem(1, "different");

        // Same input should have same hashCode regardless of id
        assertEquals(item1.hashCode(), item2.hashCode());
        assertEquals(item1.hashCode(), item3.hashCode());

        // Different input should have different hashCode
        assertNotSame(item1.hashCode(), item4.hashCode());
    }

    @Test