This occurs when your environment doesn’t have access to the bootrom data, which can happen if you’re using fastboot3DS.
Hold START while turning on your 3DS to boot into GodMode9. Execute: Navigate to Scripts -> DumpKeys .
Follow these steps using the open-source bootloader tool, : citra aes keystxt work
: Acquire the official key-dumping script ( dumpkeys.gm9 ) from trusted community channels.
The script may not output a seeddb.bin , or it may display an error when trying to dump it. This simply indicates that your console does not have any seeds and thus you should not need them. If this happens you can ignore the error. This occurs when your environment doesn’t have access
AES keys are copyrighted intellectual property of Nintendo. You should only use keys dumped from your own 3DS hardware. Distributing or downloading these keys from the internet is illegal and against the policies of the Citra project. How to Make aes_keys.txt Work: Step-by-Step
The placeholder strings (all the zeroes) should be replaced with the actual 32-digit (16-byte) hex values of the keys. Follow these steps using the open-source bootloader tool,
Most commercial ROMs are . To play them legally (assuming you have dumped your own cartridges), Citra needs to decrypt them on the fly. This is where the AES keys come into play.
For some games, particularly newer titles and digital downloads, the standard aes_keys.txt file may not be sufficient. These games use a feature called “seed encryption,” which requires an additional file called seeddb.bin .
Why didn't Citra simply include these keys by default? The answer lies in copyright law.
When you see the message that a game “requires AES keys to load encrypted games,” it simply means that Citra needs your help to unlock the content.