key8[4] = (byte) (key[3] << 4 | (key[4] & 0xFF) >>> 4);
        key8[5] = (byte) (key[4] << 3 | (key[5] & 0xFF) >>> 5);
        key8[6] = (byte) (key[5] << 2 | (key[6] & 0xFF) >>> 6);
        key8[7] = (byte) (key[6] << 1);
        for (int i = 0; i < key8.length; i++) {
            key8[i] ^= Integer.bitCount(key8[i] ^ 1) & 1;
        }
        return key8;
    }

    /**

        key8[2] = (byte) (((key7[1] & 0x03) << 5 | (key7[2] & 0xff) >> 3 & 0xff) & 0xff);
        key8[3] = (byte) (((key7[2] & 0x07) << 4 | (key7[3] & 0xff) >> 4 & 0xff) & 0xff);
        key8[4] = (byte) (((key7[3] & 0x0F) << 3 | (key7[4] & 0xff) >> 5 & 0xff) & 0xff);
        key8[5] = (byte) (((key7[4] & 0x1F) << 2 | (key7[5] & 0xff) >> 6 & 0xff) & 0xff);
        key8[6] = (byte) (((key7[5] & 0x3F) << 1 | (key7[6] & 0xff) >> 7 & 0xff) & 0xff);

        Smb2LeaseKey key1 = new Smb2LeaseKey(testBytes1);
        Smb2LeaseKey key2 = new Smb2LeaseKey(testBytes2);
        Smb2LeaseKey key3 = new Smb2LeaseKey(testBytes3);

        assertEquals(key1, key2);
        assertNotEquals(key1, key3);
        assertNotEquals(key1, null);
        assertNotEquals(key1, "not a lease key");
        assertEquals(key1, key1); // reflexive
    }

    @Test

            Smb2LeaseKey key3 = limitedManager.requestLease("/share/file3.txt", Smb2LeaseState.SMB2_LEASE_READ_CACHING);

            // key3 should definitely exist (just created)
            assertNotNull(limitedManager.getLease(key3));

            // key1 should have been evicted (oldest)
            assertNull(limitedManager.getLease(key1));

            // key2 should still exist (not the oldest)

            KerberosKey[] keys = credentials.getKeys();
            assertEquals(0, keys.length);
        }
    }

    /**
     * Test getKey method when the requested key type exists.
     *
     * @throws LoginException if login fails.
     */
    @Test
    void testGetKey_KeyExists() throws LoginException {
        when(key1.getKeyType()).thenReturn(KEY_TYPE_1);

        data.putValue("key", "value1");
        assertEquals("value1", data.getValues("key")[0]);

        // Second operation (overwrite)
        data.putValue("key", "value2");
        assertEquals("value2", data.getValues("key")[0]);
        assertEquals(1, data.getValues("key").length);

        // Third operation with array (overwrite)
        data.putValues("key", new String[] { "value3", "value4", "value5" });

        assertEquals(100, builder.initialSettings.get("key2"));
        assertEquals(true, builder.initialSettings.get("key3"));

        // Test overwriting existing setting
        builder.addInitialSettings("key1", "newValue1");
        assertEquals(3, builder.initialSettings.size());
        assertEquals("newValue1", builder.initialSettings.get("key1"));
    }

    @Test

        Smb2EncryptionContext context2 =
                new Smb2EncryptionContext(EncryptionNegotiateContext.CIPHER_AES128_GCM, DialectVersion.SMB311, key2, key2);

        // When - Wipe keys from context1
        context1.secureWipeKeys();

        // Then - Context2 should still be functional
        assertDoesNotThrow(() -> {

        if (key.length != 16) {
            throw new IllegalArgumentException("Lease key must be 16 bytes");
        }
        this.key = Arrays.copyOf(key, 16);
    }
    
    public byte[] getKey() {
        return Arrays.copyOf(key, 16);
    }
    
    @Override
    public boolean equals(Object obj) {
        if (obj instanceof Smb2LeaseKey) {

        DirectoryLeaseContext context = new DirectoryLeaseContext(key1, 0, DirectoryCacheScope.IMMEDIATE_CHILDREN);

        context.setLeaseKey(key2);
        assertEquals(key2, context.getLeaseKey());

        context.setLeaseState(DirectoryLeaseState.DIRECTORY_FULL);
        assertEquals(DirectoryLeaseState.DIRECTORY_FULL, context.getLeaseState());

        context.setCacheScope(DirectoryCacheScope.RECURSIVE_TREE);