When you load a .3ds or .cia file, the emulator looks for these keys to "unlock" the game's partitions (like CTRNAND or TWLN ). : Require aes_keys.txt to function.
To obtain a legitimate aes_keys.txt , users typically use a custom firmware tool like on a physical 3DS to "dump" the internal keys into a text format. Alternatively, many users bypass the need for this file entirely by specifically seeking out "decrypted" game versions. 3ds aeskeystxt work
The 3DS encrypts almost everything:
To legally possess these keys, you must dump them from your own personal 3DS console. This is done by modding your console (a process often involving custom firmware) and running specific homebrew applications. When you load a
On a real 3DS console, these keys are stored in the system's hardware or firmware. To use them in an emulator, they must be "dumped" from a console—often using a script in GodMode9 —and assembled into a text format. Alternatively, many users bypass the need for this