Sony continues to update PS3 security, recently releasing specifically to renew Blu-ray encryption keys and combat jailbreaks. There are two primary types of keys you likely need: System Firmware (PUP): Essential for emulators like RPCS3.

If you have encrypted ISO files (often from "Redump" sets), you must use specific decryption tools and key files.

On your PC? No. On a modded PS3 that goes online? Yes. If you use illegally obtained keys to activate pirated games while logged into PSN, Sony's anti-piracy system will flag your console ID (CID) and issue a permanent console ban.

To run any PS3 software, you first need the system firmware.

) or custom firmware (CFW), "keys" refer to cryptographic files needed to decrypt and run game data. Disc Decryption Keys (dkey)