// Write Status (little-endian) at offset 8 in the SMB2 header
        SMBUtil.writeInt4(status, hdr, 8);
        // Write Command = SMB2_IOCTL (0x000B) at offset 12
        SMBUtil.writeInt2(0x000B, hdr, 12);
        // Mark as server response to be realistic (optional)
        SMBUtil.writeInt4(0x00000001, hdr, 16); // Flags = SMB2_FLAGS_SERVER_TO_REDIR
        return hdr;
    }

                (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
                // 0x0000000000000000L
                (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

        assertEquals(0x123456789ABCDEF0L, SMBUtil.readInt8(src, 0));
        assertEquals(0xFFFFFFFFFFFFFFFFL, SMBUtil.readInt8(src, 8));

        while (size > 0) {
            final int i = dstIndex + size - 1;
            if (i < dst.length) {
                dst[i] = HEX_DIGITS[val & 0x000F];
            }
            if (val != 0) {
                val >>>= 4;
            }
            size--;
        }
    }

    /**

        }

        writeInt2(subCommand & 0xFF, dst, dstIndex);
        dstIndex += 2;
        System.arraycopy(descr, 0, dst, dstIndex, descr.length);
        dstIndex += descr.length;
        writeInt2(0x0001, dst, dstIndex);
        dstIndex += 2;
        writeInt2(maxDataCount, dst, dstIndex);
        dstIndex += 2;
        writeInt4(serverTypes, dst, dstIndex);
        dstIndex += 4;

                }

                serverChallenge = msg2.getChallenge();
                ntlmsspFlags &= msg2.getFlags();

                //                  netbiosName = getNtlmsspListItem(token, 0x0001);

                final Type3Message msg3 =
                        new Type3Message(msg2, auth.getPassword(), auth.getDomain(), auth.getUsername(), workstation, ntlmsspFlags);
                token = msg3.toByteArray();

        // 2 bytes for fileAttributes, 4 bytes for lastWriteTime, 4 bytes for fileSize
        byte[] buffer = new byte[20];
        // File Attributes: 0x0010 (Directory)
        buffer[0] = 0x10;
        buffer[1] = 0x00;
        // Last Write Time (UTime): A sample timestamp in milliseconds
        long sampleTimeMillis = 1672531200000L; // Represents a specific date in milliseconds

        assertEquals((byte) 0x08, SmbComTransaction.TRANS2_SET_FILE_INFORMATION);

        // Test NET subcommands
        assertEquals(0x0000, SmbComTransaction.NET_SHARE_ENUM);
        assertEquals(0x0068, SmbComTransaction.NET_SERVER_ENUM2);
        assertEquals(0x00D7, SmbComTransaction.NET_SERVER_ENUM3);

        // Test TRANS subcommands
        assertEquals((byte) 0x23, SmbComTransaction.TRANS_PEEK_NAMED_PIPE);

        // Credit charge
        SMBUtil.writeInt2(1, buffer, headerStart + 6);
        // Status
        SMBUtil.writeInt4(0, buffer, headerStart + 8);
        // Command (READ = 0x0008)
        SMBUtil.writeInt2(0x0008, buffer, headerStart + 12);
        // Credit request/response
        SMBUtil.writeInt2(1, buffer, headerStart + 14);
        // Flags
        SMBUtil.writeInt4(0, buffer, headerStart + 16);

    }
  }

  // 128 - [chars 0x0000 to 0x007f]
  private static final long ONE_BYTE_ROUNDTRIPPABLE_CHARACTERS = 0x007f - 0x0000 + 1;

  // 128
  private static final long EXPECTED_ONE_BYTE_ROUNDTRIPPABLE_COUNT =
      ONE_BYTE_ROUNDTRIPPABLE_CHARACTERS;

  // 1920 [chars 0x0080 to 0x07FF]
  private static final long TWO_BYTE_ROUNDTRIPPABLE_CHARACTERS = 0x07FF - 0x0080 + 1;

  // 18,304

        SMBUtil.writeInt2(getSubCommand() & 0xFF, dst, dstIndex);
        dstIndex += 2;
        System.arraycopy(descr, 0, dst, dstIndex, descr.length);
        dstIndex += descr.length;
        SMBUtil.writeInt2(0x0001, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(this.maxDataCount, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt4(this.serverTypes, dst, dstIndex);
        dstIndex += 4;