aes_kek_generation_source = 4d870986c45d20722fba1053da92e8a9 aes_key_generation_source = 89615ee05c31b6805fe58f3da24f7aa8 bis_kek_ Nintendo Switch Cleaner and Builder (NSC_Builder) - GitHub
The most common use case, where the keys enable the merging of a base game with its latest updates into one container. Mode 4 (File-Info): Nscb Keys.txt