The only safe and legal way to acquire your keys.txt file is to dump it directly from your own hackable, unpatched Nintendo Switch console. Prerequisites A hacked Nintendo Switch running Atmosphere CFW. An RCM jig and a payload injector (like TegraRCMGUI on PC). The payload. Step-by-Step Guide to Dumping Keys
The AES256_MASTER hex decodes to ASCII: NTSC!BUILDER!KEYS!2019?????? . The trailing ?? suggest a partial or corrupted key derivation function tied to a date that hadn't occurred yet (written in 1999, referencing 2019).
NSC Builder looks for a specific file name in its working directory. Copy the prod.keys file from your SD card to your computer. Rename the file from prod.keys to . Open your NSC Builder installation folder. nsc builder keys.txt
(Note: Some modified versions of NSC_Builder or related scripts may also check the root directory of the tool, but placing it in z_tools is the standard convention). Step 3: Verifying the Key Format
However, if you download NSC Builder and try to run it immediately, you will likely encounter an error regarding a missing file: keys.txt (or prod.keys ). Without this file, the software cannot decrypt or process Nintendo Switch files. The only safe and legal way to acquire your keys
Ensure that your keys.txt file, especially if it contains sensitive information like private key paths and Team IDs, is stored securely. Access to this file should be restricted to authorized personnel.
Select Lockpick_RCM.bin from the list. Your console will reboot into the Lockpick interface. The payload
Put your Switch into Recovery Mode (RCM) using a JIG or modchip setup.
Ensure your keys.txt file is saved in plain text format. Opening and saving the file via advanced word processors (like Microsoft Word) can inject hidden formatting characters that break NSC Builder's parsing engine. Always use basic editors like Notepad (Windows) or TextEdit (Mac, in plain text mode). 3. Missing Title Keys
Select or Dump from EmuNAND depending on where your firmware is housed.
| Aspect | Rating / Comment | |--------|------------------| | | ⚠️ Gray area – legal only if self-dumped from owned hardware. | | Utility | ★★★★☆ (Essential for NSC_Builder to work) | | Safety | ★☆☆☆☆ (Extremely dangerous to download from web) | | Ease of creation | ★★☆☆☆ (Requires a hacked Switch and technical steps) | | Overall recommendation | Avoid pre-made files. Generate your own using Lockpick_RCM. |