Once the script finishes, turn off your 3DS, remove the SD card, and insert it into your computer.
Place the file in /gm9/support/ on your SD card. This allows GodMode9 to decrypt files automatically within its file browser. How to Obtain 3ds aes-keys.txt Safely
The required by 3DS emulators like Citra and Folium to load encrypted Nintendo 3DS game ROMs. Without these Advanced Encryption Standard (AES) system keys, an emulator cannot bypass Nintendo's proprietary hardware security, resulting in fatal loading errors when attempting to boot .3ds or .cia format files. What is the 3ds aes-keys.txt File?
Some newer 3DS games may require newer keys. If you have an old aes_keys.txt from a system running older firmware, it might not work. Dump the keys again from an updated 3DS.
The file should be a plain text file ( .txt ), with each key on a new line. 3ds aes-keys.txt
If you own a 3DS game cartridge and have dumped it to a .3ds file using a tool like GodMode9 (on a modded 3DS), the dump is still encrypted. To view the filesystem (the exefs , romfs , logo ) you need to run:
Sharing these keys is often restricted by copyright laws, so the safest and most reliable way to produce the content is to dump it directly from your own 3DS hardware:
He saved it.
These guides provide visual walkthroughs for setting up AES keys on various platforms: Full 3DS Emulator Setup On Mac Using Citra and Vulkan Sonar Systems Once the script finishes, turn off your 3DS,
Because the keys are constant across all consoles, you can find verified 3ds aes-keys.txt files on:
Save the script to the sd:/gm9/scripts/ directory on your 3DS SD card.
Your key file is missing a specific slot. Older dumping scripts sometimes missed New 3DS keys. Fix: Re-dump the keys using the latest version of GodMode9 (v2.0 or higher).
Unique identifiers tied directly to individual pieces of software or downloadable content (DLC). How to Obtain the Keys Legally How to Obtain 3ds aes-keys
: Launch GodMode9 (hold START while booting), press HOME, select Scripts , and run DumpKeys .
Press Windows Key + R , type %appdata% , and press Enter. Open the Citra folder (or the folder of your specific emulator fork) and place the file directly inside the sysdata folder.
The legal and safe method to obtain your keys is to dump them directly from your own physically owned Nintendo 3DS console. Prerequisites for Dumping Keys To extract your unique keys legally, you need: A Nintendo 3DS, 2DS, New 3DS, or New 2DS XL console.