Encrypt.dll

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Encrypt is a closed library which allows encrypted saving of data.

Unlike the Data class, you can only save natural numbers to encrypted data files.

Requires bitwise.lua (A Deprecated API)

Installation

Place the file encrypt.dll into the LuaScriptsLib folder.

How to use

To enable the Encrypt library for a specific level, add this line to lunadll.lua:

local encrypt = API.load("encrypt");

This will load the Encrypt API.

Example

local encrypt = API.load("encrypt");
    
--Defines a new encrypted data file
local edata = encrypt.Data(Data.DATA_LEVEL, "encryptedData", true);

function onStart()
    edata:set("myVar", 1);
    edata:save();
end

function onTick()
    Text.print(tostring(edata:get("myVar")),3,0,0);
end

This will save the value 1 to the variable myVar, as with the Data class, but will encrypt the data so it cannot be easily edited from the resulting text file.

Documentation

Classes

These are classes contained within this library

EData

Values

EData.data	The underlying Data file used to read and write encrypted data. (NOT NECESSARY FOR USE).

Functions

EData:get		key
Reads a value from the encrypted file. Returns nil if no value was found.	int	string The variable name to read from the encrypted file.
EData:set		key	value
Writes a value to the encrypted file.	int	string The variable name to write to the encrypted file.	int The value to store in this key.
EData:save
Flushes data to the file on the disk.	nil
EData.create		data
Create a new encrypted file handler from an existing file handler.	EData	Data The file handler to create an encrypted stream to.

External Use Functions

These are functions you will need to use the library

Data		dataLevel	fileName	localSave
Creates an EData file handler for the specified file name, at the specified file access level.	EData	int The data access level (e.g. Data.DATA_LEVEL) of the file.	string The base name of the file.	boolean:optional Should the data saved to this file be separate for each SMBX save file?