To prevent unauthorized copying, Sony encrypts every PS3 game disc. To read these files on a PC, you need one of the following: Disc Keys (.dkey):
These are global decryption keys (often found in a file like dldat or config ) that allow emulators to decrypt the PS3's firmware. ps3 keys download
For the average user, the most important key is the (sometimes called the "key" or "title key"). This unique key is required to decrypt a specific game or piece of content. Without the correct key, a downloaded game backup or ISO file is just a scrambled, unreadable block of data. To prevent unauthorized copying, Sony encrypts every PS3