This is why official emulator projects like Ryujinx (which shut down after a settlement with Nintendo) and the now-defunct Yuzu included prod.keys with their downloads. They also could not provide links to get it. The emulator software itself is legal (reverse engineering for compatibility is often protected). But distributing decryption keys is not.
In the world of console emulation and hardware modification, few files generate as much technical necessity and legal controversy as prod.keys . If you have ever tried to set up a Nintendo Switch emulator like Ryujinx or Yuzu (now discontinued), you have almost certainly run into a roadblock: the emulator asking for a missing prod.keys file. prod.keys
Nintendo uses a hierarchical key system. At the top are master keys (often called "prod keys," short for product keys ). These are the master decryption codes for the console. The prod.keys file is a plain text file that contains a list of cryptographic keys specific to a retail Nintendo Switch console ("prod" stands for "production" or "retail," as opposed to dev.keys for development units). This is why official emulator projects like Ryujinx