That is the only method that stands up to legal scrutiny. You are extracting keys from a device you own, for the purpose of playing backups of games you also own.
If you want to use Yuzu (or a successor emulator) ethically and legally, you must dump your own keys from a Nintendo Switch console that you personally own. This process is often called "homebrew" or "CFW (Custom Firmware) dumping." yuzu prod keys
The topic of prod keys is the primary reason behind the legal downfall of the Yuzu project. That is the only method that stands up to legal scrutiny
The acquisition of these keys is the most contentious part of the emulation process. Official Stance This process is often called "homebrew" or "CFW
: They work alongside "title keys" and firmware to ensure that games run correctly by decoding the specific encryption used in official Nintendo titles.