One day, while browsing through the Citra forums, Alex stumbled upon a post from a user who claimed to have discovered a way to extract the AES keys from a 3DS console. The user, known only by their handle "3DS_Hacker," had uploaded a file containing the AES keys, along with instructions on how to use them with Citra.
(or similar 3DS emulators) with encrypted games, you often need an aes-keys.txt file containing the necessary decryption keys. How to Create the aes-keys.txt Open a Text Editor (Windows), (Mac), or any basic text editor. Add Your Keys aes-keys.txt citra