ROMs). Without this file, Citra cannot read the proprietary Nintendo encryption, and games will fail to boot. Where to Place the File The file must be named exactly aes_keys.txt and placed in the folder within your Citra user directory. Typical Path C:\Users\[YourName]\AppData\Roaming\Citra\sysdata Internal Storage/Citra/sysdata ~/Library/Application Support/Citra/sysdata Linux/Deck ~/.var/app/org.citra_emu.citra/data/citra-emu/sysdata Note: If the folder does not exist, you must create it manually. github.com How to Obtain AES Keys
: To avoid legal issues, emulator developers do not bundle these proprietary Nintendo keys with the software. Users are expected to provide their own keys, ideally dumped from their own hardware. How to Use aes-keys.txt
Note: If the sysdata folder does not exist inside your core Citra directory, simply right-click, create a new folder, and name it exactly sysdata before pasting your text file inside. Troubleshooting Common Errors "Encrypted encrypted application files could not be loaded" aeskeystxt citra
[CommonKeys] slot0x11Key95 = 7A...C9... slot0x18KeyY = B2...D4...
By setting up your aes_keys.txt correctly, you transform Citra from a simple application into a fully functional 3DS environment, capable of preserving your library for years to come. How to Use aes-keys
If you would like to proceed with setting up your emulator, let me know:
A Nintendo 3DS, 3DS XL, 2DS, or New 3DS console with Luma3DS custom firmware installed. An installed version of the multi-tool payload . A specialized script named dumpkeys.gm9 . Step-by-Step Dumping Instructions By setting up your aes_keys.txt correctly
Even with the correct file, Citra won't find it unless it is in the specific sysdata folder. This is a common source of frustration for users, often leading to the "keys not found" error.