Drag and drop the base game NSP, the update NSP, and all related DLC NSPs into the window. Press Enter. Type 1 to open the processing options.
: Your keys.txt file is outdated. If you try to process a game that requires firmware 18.0.0, but your keys were dumped back when your console was on firmware 15.0.0, the tool will lack the necessary master_key to decrypt the new file.
master_key_00 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX master_key_01 = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX header_key = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX aes_kbd_keygen_key = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Use code with caution. nsc builder keys.txt
NSC Builder is an advanced tool designed to manipulate Nintendo Switch game files, primarily focusing on (Nintendo Submission Package), XCI (NX Card Image), and NSZ/XCZ (compressed formats) files. Developed by jorand, it relies on a modified version of nut and squirrel code to perform cryptographic actions directly on your PC. Core Features
NSC_Builder cannot find the file in the designated path, or the file extension is double-hidden (e.g., keys.txt.txt ). Drag and drop the base game NSP, the
Double-click NSCB.exe or the main batch file to launch the program. You will be greeted by a command-prompt window displaying a numbered option menu. 2. Selecting Your Mode
: Ensure your keys match the firmware version of the games you are trying to process. 2. Rename and Place the File : Your keys
The keys.txt file (sometimes named prod.keys depending on your tools) is a plain text file containing a list of these cryptographic hashes in a simple key_name = hexadecimal_value format. Why Does NSC_Builder Need It?
Copy this file to your PC. If NSC Builder specifically asks for keys.txt , simply rename prod.keys to keys.txt . Where to Place keys.txt in NSC Builder