Questions tagged [encryption]

process of encoding data (or information, messages, etc.) in such a way that only authorized parties can read it.

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How to connect to a server without hard coded passwords?

I have two features in my game that need to a server of some kind that require authentication: a bug reporter and a leaderboard. The bug reporter will take the users report and add it as a card to my ...
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1answer
84 views

How to unpack game data files encrypted with AES key?

In game development pak files are secured by some encryption and one of these are AES key. I want to know that for security purpose is the AES key is stored in the game files itself? I know that ...
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1answer
32 views

How to protect save game data when saving game over the network?

Newbie question please - I am working on my own RPG, using Unreal Engine 4 and C++. Regarding data formats - I figured I would just make HTTP Post requests to store the data as JSON in AWS's ...
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1answer
53 views

Resource protection in cocos2d-x 2 and 3

I am developing a game in cocos2d-x 2.2.3 and I want to protect my resources from being extracted. Is there any way I can do this? I don't know much about encryption.
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1answer
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tcp multiplayer security/structure

I'm creating a real time multiplayer game. Each piece of data needs to be received, but it still needs to be as fast as possible which is why I don't want to use TLS for every request. Here's what I ...
21
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4answers
6k views

How to encrypt Save Files without using a key? [closed]

Say I made a simple program that takes a file .dat that is encrypted in Binary Format, then I decrypt it into a byte array and then everything is rewritten again ...
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0answers
26 views

When saving data locally for a mobile game, how to protect it? [duplicate]

I am designing a mobile (iOS/Android) game and I try to save data (such as levels, coins, status) in local files. In this way, I am concerning a case that someone can just copy these files and give ...
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3answers
654 views

Is it worth it to encrypt data?

I am using Java to write a moderately simple video game and I need to transfer some large files (edit: Live game data and possibly assets.) between the client and the server. I need to decide whether ...
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0answers
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How to custom file formats work, encryption, packing etc [duplicate]

So say I take an example from Telltale games, they pack all their file assets into ttarch files, now I guess this is a custom file format that allows many file assets such as dds, jpg, bik, wav, 3ds ...
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4answers
2k views

Why use compression such as zlib? [closed]

Compression and encryption are different things AFAIK, so why even use compression if you have to still decompress anyway, is this just to reduce distribution size or is there some other reason?
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1answer
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Asymetrcal Public Key (Host it on a server or distribute with launcher)?

I am currently building a launcher for the front end of my game and I am wondering if I should host the public key on a server and have the launcher pull the data as and when needed, or should I ...
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3answers
4k views

How does game asset file encryption work?

How does file encryption in game assets work, for example the unreal engine has a .assest extension, or I also see a .dta ...
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2answers
675 views

MMORPG design question: Storing a tile map on the client computer, security concerns [closed]

in my game the client logs in and receives a map made of tiles (they differ in height and terrain type) from the server. I'm storing these tiles in a SQLite database on the client. The next time the ...
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2answers
922 views

lz4 archive with encryption [duplicate]

I want to make a game data archive that contains all the game assets, now I could use zlib or lz4 to just make a simple zip archive type thing, but I need a bit more security, does anyone have any ...
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2answers
2k views

Is it legal to pack LibGdx libraries in my jar file? And to obfuscate them?

I'm using LibGDX and deploying a runnable jar file, using the Eclipse feature, with libraries extracted into it. There are also .so files and .dlls inside. Is it legal to do so? I didn't find ...
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1answer
11k views

League of Legends Spectator Stream Format

Intro I have been fiddling around with the spectator system for LoL in hopes of eventually scraping data from the streams and building a dataset with it for analysis. I understand that there are ...
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1answer
139 views

Are there any game engines out there that support cryptography? [closed]

Are there any game engines out there that support cryptography? Obviously when one creates a game engine in one of the more established languages, like C++ or Java, one can just get some cryptography ...
4
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1answer
125 views

What OpenCL video cards (or FPGAs) features are needed for high speed multiplication? [closed]

I'm benchmarking some cryptographic related software and am looking for video cards that are better at parallel multiplication vs parallel addition. Is there any prior work that would graph video ...
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2answers
4k views

How to hide assets from user? ( e.g.: a png file )

I think the title is quite self-explaining, still this is a big area I think, so let me drop a few words: I've got a simple experiment game project going, and I want to make sure, that the user isn't ...
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4answers
1k views

What cryptography algorithm I can use in my game?

In my game I have data like items, enemies, tools, craft formulas, etc. I want store this information on disk securely. What algorithms I can use for free? I currently store my data using the JSON ...
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2answers
3k views

Authentication for a multiplayer game via sockets

I'm implementing a custom binary protocol for a new multiplayer game I'm working on. Its a turn-based strategy game so timing doesn't really matter. I've currently got the basic data sync portion of ...
4
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2answers
546 views

Flash <=> server, protocol protection

I am making a flash game that will interact heavily with the server. For quite some time already I am using 'request hashing' technique to make sure that request data hasn't been tampered with. This ...
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7answers
8k views

What do you use to bundle / encrypt data?

More and more games are going the data driven route which means that there needs to be a layer of security around easy manipulation. I've seen it where games completely bundle up their assets (audio, ...