To prevent unauthorized access to its software, Nintendo secures Switch files with multi-layered cryptographic keys. Hactool requires these exact keys to decrypt and read game data.
The file must be named prod.keys . Not prod.key , not product.keys , not prod.keys.txt . Windows sometimes hides file extensions; you might have accidentally created prod.keys.txt without realizing it.
: On Linux and macOS, if the keys file exists but hactool can't read it, you may need to adjust its permissions. A simple fix is to run chmod 600 prod.keys in the terminal to set the correct read/write permissions for your user. hactool prodkeys does not exist link
Fix: Hactool "prod.keys does not exist" Error and How to Find the Links
Many users make the mistake of simply placing prod.keys in the same folder as hactool.exe and expecting it to work automatically. The correct approach is to explicitly specify the path using the -k flag: To prevent unauthorized access to its software, Nintendo
The only safe and legal method is to dump your own keys using . Download the latest Lockpick_RCM.bin from GitHub.
Ensure there are no spaces or typos in your command-line arguments when defining the key path. Conclusion Not prod
: If you have already provided keys via other means (like a custom script) and the warning is just a nuisance, you can use the --disablekeywarns flag to suppress it. Key Requirements for Hactool
| Firmware Version | master_key Version | |-----------------|-------------------| | 1.0.0-2.3.0 | master_key_00 | | 3.0.0 | master_key_01 | | 3.0.1-3.0.2 | master_key_02 | | 4.0.0-4.1.0 | master_key_03 | | 5.0.0-5.1.0 | master_key_04 | | 6.0.0-6.1.0 | master_key_05 | | 6.2.0 | master_key_06 | | 7.0.0-7.0.1 | master_key_07 |