Wii U 实体游戏光盘（.wud 格式）和部分数字版游戏在导出后通常是加密的，这是为了防止未经授权的拷贝与使用。Cemu 自身并不包含任何解密密钥，因此在尝试加载加密的游戏镜像时，模拟器会立刻要求你提供对应的解密密钥，以便“解锁”游戏文件，使其能够被正常读取和运行。
While a standard keys.txt file containing common keys (like the common key) is widely available online, downloading title keys for games you do not own falls into a legal gray area (piracy). This guide assumes you are using keys dumped from your own hardware. wii u keystxt for cemu
The file is a critical configuration component for the Cemu Wii U emulator that enables the decryption and playback of encrypted game files like .WUD and .WUX . Without this file, Cemu cannot authenticate or load these specific formats. Understanding Wii U Keys Wii U 实体游戏光盘（
How to Play Wii U Games on Android (Full Cemu Setup Guide) * EASY * wii u keystxt for cemu
"Title key is missing. You need to add a title key to keys.txt"