This article covers everything you need: what these keys are, why the old methods fail, where to get the correct keys in 2024-2025, and the step-by-step fix to get your games running.
To check if Citra sees your keys:
By default, Citra does not ship with these keys due to legal and copyright protections by Nintendo. Without them, you will see errors such as: "Your ROM is encrypted." "Failed to load encrypted header." Failure to install .cia files. How to Fix the "Missing AES Keys" Error citra aes keystxt download fix