/**
     * Notify when creation time changes
     */
    public static final int FILE_NOTIFY_CHANGE_CREATION = 0x40;
    /**
     * Notify when extended attributes change
     */
    public static final int FILE_NOTIFY_CHANGE_EA = 0x80;
    /**
     * Notify when security descriptor changes
     */
    public static final int FILE_NOTIFY_CHANGE_SECURITY = 0x100;
    /**

0x10, 0xdb, 0xaf, 0x9a, 0xe8, 0xda, 0xe0, 0x40, 0xa6, 0x80, 0xf2, 0x1c, 0x39, 0xe8, 0x7, 0x38, 0x2c, 0xa4, 0x44, 0x44, 0x69, 0x72, 0xc4, 0x10, 0x4f, 0xe7, 0xd7, 0xf3, 0x15, 0x2d, 0x4c, 0xcd, 0x96, 0x65, 0x24, 0x86, 0xdc, 0x2, 0x1b, 0xed, 0xa6, 0x45, 0x63, 0x41, 0x6c, 0x67, 0x6f, 0x1, 0xa3, 0x45, 0x63, 0x4d, 0x4, 0xa3, 0x45, 0x63, 0x4e, 0x4, 0xa7, 0x45, 0x63, 0x42, 0x53, 0x69, 0x7a, 0x65, 0xd2, 0x0, 0x10, 0x0, 0x0, 0xa7, 0x45, 0x63, 0x49, 0x6e, 0x64, 0x65, 0x78, 0x7, 0xa6, 0x45, 0x63, 0x44, 0x69,...

    @Test
    @DisplayName("Test ATTRIBUTE_SECURITY_INFO constant value")
    void testAttributeSecurityInfo() {
        assertEquals(0x20, SecurityInfo.ATTRIBUTE_SECURITY_INFO);
    }

    @Test
    @DisplayName("Test SCOPE_SECURITY_INFO constant value")
    void testScopeSecurityInfo() {
        assertEquals(0x40, SecurityInfo.SCOPE_SECURITY_INFO);
    }

    @Test
    @DisplayName("Test BACKUP_SECURITY_INFO constant value")

        assertEquals(0x4, Smb2ChangeNotifyRequest.FILE_NOTIFY_CHANGE_ATTRIBUTES);
        assertEquals(0x8, Smb2ChangeNotifyRequest.FILE_NOTIFY_CHANGE_SIZE);
        assertEquals(0x10, Smb2ChangeNotifyRequest.FILE_NOTIFY_CHANGE_LAST_WRITE);
        assertEquals(0x20, Smb2ChangeNotifyRequest.FILE_NOTIFY_CHANGE_LAST_ACCESS);
        assertEquals(0x40, Smb2ChangeNotifyRequest.FILE_NOTIFY_CHANGE_CREATION);

        buffer[bufferIndex++] = 0;
        // maxBufferSize
        buffer[bufferIndex++] = (byte) 0x00;
        buffer[bufferIndex++] = (byte) 0x40;
        buffer[bufferIndex++] = 0;
        buffer[bufferIndex++] = 0;
        // maxRawSize
        buffer[bufferIndex++] = (byte) 0x00;
        buffer[bufferIndex++] = (byte) 0x10;
        buffer[bufferIndex++] = 0;
        buffer[bufferIndex++] = 0;
        // sessionKey

    /** Notify of modify action flag */
    int FLAGS_NOTIFY_OF_MODIFY_ACTION = 0x40;
    /** Response flag */
    int FLAGS_RESPONSE = 0x80;

    /** No flags2 set */
    int FLAGS2_NONE = 0x0000;
    /** Long filenames supported flag */
    int FLAGS2_LONG_FILENAMES = 0x0001;
    /** Extended attributes supported flag */
    int FLAGS2_EXTENDED_ATTRIBUTES = 0x0002;

	// string "Algorithm"
	o = append(o, 0x87, 0xa9, 0x41, 0x6c, 0x67, 0x6f, 0x72, 0x69, 0x74, 0x68, 0x6d)
	o = msgp.AppendString(o, z.Algorithm)
	// string "DataBlocks"
	o = append(o, 0xaa, 0x44, 0x61, 0x74, 0x61, 0x42, 0x6c, 0x6f, 0x63, 0x6b, 0x73)
	o = msgp.AppendInt(o, z.DataBlocks)
	// string "ParityBlocks"
	o = append(o, 0xac, 0x50, 0x61, 0x72, 0x69, 0x74, 0x79, 0x42, 0x6c, 0x6f, 0x63, 0x6b, 0x73)

        stubValidTree(1L, true, true);

        byte[] fidBytes = new byte[] { 0x01, 0x02 };
        SmbFileHandleImpl h1 = new SmbFileHandleImpl(cfg, fidBytes, tree, "//u/one", 0x10, 0x20, 0x30, 0x40, 0L);
        String s1 = h1.toString();
        assertTrue(s1.contains("//u/one"));
        assertTrue(s1.contains("0102"), "Expected hex fileId in string");

	for _, c := range s {
		if c >= 0x80 || c == 0x00 {
			return false
		}
	}
	return true
}

// toASCII converts the input to an ASCII C-style string.
// This is a best effort conversion, so invalid characters are dropped.
func toASCII(s string) string {
	if isASCII(s) {
		return s
	}
	b := make([]byte, 0, len(s))
	for _, c := range s {
		if c < 0x80 && c != 0x00 {
			b = append(b, byte(c))
		}
	}

        }

        return clearText;
    }

    // Tables, permutations, S-boxes, etc.

    private static byte[] bytebit =
            { (byte) 0x80, (byte) 0x40, (byte) 0x20, (byte) 0x10, (byte) 0x08, (byte) 0x04, (byte) 0x02, (byte) 0x01 };
    private static int[] bigbyte = { 0x800000, 0x400000, 0x200000, 0x100000, 0x080000, 0x040000, 0x020000, 0x010000, 0x008000, 0x004000,