As of 2025, NSC Builder remains in semi-active development (last major build 1.01). The tool’s dependency on keys.txt is not likely to change, but future Switch firmware updates may introduce new key generations (e.g., AES-MAC changes). Always use the latest Lockpick_RCM payload to re-extract keys after a system update.
Once dumped, the file is usually named prod.keys . You can rename this to keys.txt for compatibility with various tools, though NSC Builder often accepts prod.keys natively. nsc builder keys.txt
On your hacked Switch, use a homebrew application called . This tool runs either from the Homebrew Launcher or directly via RCM (Recovery Mode) and extracts all unique keys from your console’s secure hardware. As of 2025, NSC Builder remains in semi-active
NSC_Builder does not include these keys by default because they are proprietary Once dumped, the file is usually named prod
To keep NSC Builder running smoothly, adopt these habits:
Appendix (examples, detection regexes, and migration scripts) and further implementation templates can be provided on request.
These keys are proprietary cryptographic material owned by Nintendo. This article does not provide links to pre-made key files, nor does it condone piracy. The keys are typically generated from your own legitimate Nintendo Switch console using specific homebrew key-dumping tools.