The official and legal method to obtain these keys is to dump them directly from your own Nintendo 3DS hardware.
The file aes_keys.txt is a critical system file required by the Citra emulator to decrypt and load encrypted Nintendo 3DS games. Without this file, Citra will often display errors such as "Citra lacks keys for downloading system files" or fail to boot encrypted ROMs entirely. How to Obtain Citra AES Keys citra aes keystxt top
: Once finished, power off the console. You will find aes_keys.txt in the sd:/gm9/ directory on your SD card. Installation Directory The official and legal method to obtain these
: Obtain the dumpkeys.gm9 script (often found in 3DS emulation guides) and place it in the sd:/gm9/scripts folder on your 3DS SD card. citra aes keystxt top