*Disclaimer: The extraction and usage of keys involve technical knowledge and the ownership of the
To run encrypted commercial games or use certain system features, Citra requires specific system files (keys). If you are using the Portable version of Citra, the process is slightly different from the installed version because all data is kept inside the emulator folder.
Because these keys are copyrighted/proprietary, Citra’s official website and repositories do not provide them. You must extract them from your own physical Nintendo 3DS console using tools like boot9strap or GodMode9. Alternatively, advanced users may find community-maintained key files, but downloading keys from random sources poses security risks. Always prefer dumping your own keys to stay legal and safe. aeskeystxt citra portable
Open your aes_keys.txt with Notepad. It should look something like this (though actual keys are long hex strings):
# AES Keys for Citra
[SeedDB]
# Bootrom 11x (Slot 0x11) KeyX
slot0x11KeyX = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
# Bootrom 11x (Slot 0x11) KeyY
slot0x11KeyY = YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
...and so on.
Pro Tip: If your games still don't load, you might need the boot9.bin or boot11.bin files. Place those directly in the user folder (not the keys subfolder). *Disclaimer: The extraction and usage of keys involve
Inside your Citra Portable folder, the structure looks like this:
Citra-Portable/
│
├── citra-qt.exe (or citra.exe)
├── user/
│ ├── config/
│ ├── sdmc/
│ ├── nand/
│ └── **keys/** <-- This is where aeskeys.txt goes!
│ └── log/
Crucial note for "Citra Portable": The aeskeys.txt file must be placed in the user/keys/ directory. If the keys folder does not exist, create it manually. Pro Tip: If your games still don't load,
Do not place the file in the root folder alongside citra-qt.exe. That only works for specific older builds.
Use the Citra Qt (Nightly or Canary) version. Avoid the standalone installer if you want portability. Download the .7z or .zip archive version and extract it to your USB drive (e.g., D:\Citra-Portable).
Unlike the standard installed version, the Portable version stores all its data in the same folder as the executable file.