Usually found in Users/YourName/AppData/Roaming/Citra/sysdata or within your user directory.
If you found this guide helpful, consider supporting the open-source emulation community. The developers who build emulators like Citra and Lime3DS do so to preserve video game history, not to enable piracy. Always dump your own BIOS, keys, and game files from hardware you own.
So the keys file should go in:
Ensure the file is not named aes_keys.txt.txt (a common Windows hidden extension error).
Let me clarify what you likely need:
If you have placed the file but games still do not work, check these common issues:
Nintendo used different keys for different game eras (e.g., 7.x crypto keys for later titles). If your key file is missing newer slot keys, older games might work while newer ones fail. citra aes keystxt work
This article will guide you through understanding, locating, creating, and using aes_keys.txt to make your 3DS games work perfectly in Citra as of June 2026. What is aes_keys.txt?
Once you have legally obtained your key strings, you must format them correctly so Citra can interpret them. 1. Creating the File Always dump your own BIOS, keys, and game
When running the DumpKeys script on your 3DS, you see an error like line 7: read fail .
Use instead – no aes_keys.txt needed. Most legally dumped games can be decrypted using tools like 3DS Simple CIA Converter . If your key file is missing newer slot