The Common Key is the key that is stored on every WiiU console. It's used to decrypt the encrypted titlekey. In turn, the decrypted titlekey is used to decrypt all the files. For digital titles, decryption is done at the time of install. Whats the difference between the NUS and WUD versions? Also, I have keys for the main game, the dlc, and the patch, so 3 different keys, but you don't, how come?
Backup Launchers > USB Loaders > Loadstructor
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