Run a "DumpKeys" script to generate the file directly on your SD card. Transfer the resulting aes_keys.txt to your device running Citra. Community Sources
Q: What is AESKeys.txt used for in Citra? A: AESKeys.txt is used to provide the encryption keys required for Citra to decrypt and play 3DS games.
Open a standard text editor (like Notepad or TextEdit), paste your keys, and save it as aes_keys.txt . aeskeystxt citra
He spent the evening scouring guides. Some suggested he dump the keys from his own physical 3DS—the "righteous" path—while others pointed toward hidden repositories on sites like the Internet Archive or GitHub .
Select SysNAND Options -> File Dump -> Dump Boot9.bin . (Alternatively, many versions allow dumping keys directly via Dump keys ). Run a "DumpKeys" script to generate the file
If you own a physical 3DS console, this is the most legitimate and reliable method. It ensures you get all the necessary keys (including console-unique seeds). This process utilizes a homebrew application called GodMode9.
(a common Windows error when "Hide extensions for known file types" is enabled). Invalid Keys A: AESKeys
Do not create a file named aeskeystxt.txt or aeskeystxt . The emulator strictly looks for aes_keys.txt . For the rest of this article, when we refer to the aeskeystxt citra requirement, we mean the aes_keys.txt file.