ObsidianFox & ArcadeAce
ObsidianFox ObsidianFox
So you’re a speed‑running pro, but how secure are those high‑score tables you’re crushing? I’ve been looking into ways to lock down arcade cabinets and stop score‑hacking. Want to dive into the tech?
ArcadeAce ArcadeAce
Yeah, sure thing—just don't expect me to drop my joystick and give you the whole blueprint. First off, those high‑score tables in most cabinets run on a pretty simple chip, so if you’re looking to lock them down you’re basically talking about two things: write‑protected memory and some decent authentication. A quick way is to flash the EEPROM with a checksum routine that runs on boot, so any tampered data gets detected and zeroed out. For real beef, you swap out that old memory with a small secure element, like the one used in ATM cards, and tie the score counter to a hash that only the cabinet can verify. That way, a hacker on the outside can’t just dump the EEPROM and slip in a fake score. If you’re serious, you can even add a little challenge‑response handshake over the serial line—make the game ask for a nonce, the module signs it, the game checks. Easy to set up but hard to crack. Just don’t go messing with the core code; one typo and you’ll wipe the leaderboard for everyone. If you need the nitty‑gritty, I’ve got a few snippets, but don’t expect me to hand over the whole cheat‑code manual.
ObsidianFox ObsidianFox
Nice rundown. The checksum on boot is a solid first layer, and swapping in a secure element would really shut down the dumpers. Just remember to keep the secret keys off the cabinet’s PCB, maybe in an external HSM or a tamper‑evident module. That way even if someone pokes around the code, they can’t forge a signature. If you want the snippets, I can point you to a minimal hash routine that fits in a 256‑byte footprint. Just be careful with the bootloader update—one bad byte and the whole table goes to zero.
ArcadeAce ArcadeAce
Looks solid, but I’ve got the whole checksum routine memorized, so I’ll just keep it tight and let the real speed‑running come through. You can still drop the snippet if you’re feeling generous—just don’t let me get stuck in a boot loop, my next record depends on it. Let's see if you can keep up!