Once you have your aes_keys.txt , you must place it in the correct directory for Citra to recognize it: Open . Go to File > Open Citra Folder . Navigate to the sysdata folder. Paste your aes_keys.txt file here.
| Key Name | Purpose | |----------|---------| | aes_kek | Key encryption key for other keys | | aes_keyX (e.g., aes_key99 ) | Slot 0xXX key for title-specific decryption | | ncch_keyX | NCCH header decryption | | ticket_key | CIA ticket decryption | aeskeystxt citra
: Nintendo 3DS games are stored in an encrypted format to prevent piracy. The keys in this text file allow Citra to perform "on-the-fly" decryption. Once you have your aes_keys
This is the safest and most legitimate method to get the aeskeystxt citra file. Paste your aes_keys
There are generally two types of 3DS ROMs found in the wild:
Many users find pre-compiled lists on sites like Pastebin, though you should always ensure you are sourcing from a reputable community thread. Still Having Trouble?
: You must paste the specific AES decryption keys into this document. Note that due to copyright and legal restrictions, these keys are not bundled with the emulator and must be legally dumped from your own 3DS console or found via community resources. Correct Naming : Save the file exactly as aes_keys.txt . Ensure there are no hidden extensions like File Placement : Move the file to C:\Users\[YourUsername]\AppData\Roaming\Citra\sysdata : Place it in the citra-emu/sysdata folder on your device storage. iOS (Folium/Citra) : Open the app, go to the section, and select to locate and upload your aes_keys.txt from your files Common Troubleshooting "Missing AES Keys" Error
