prodinfo_gen

prodinfo_gen is a Nintendo Switch payload that can generate barely-working, console-unique, PRODINFO files.

It can either generate one from scratch or modify a donor PRODINFO.

It is primarily aimed at people without a backup of their PRODINFO or building a NAND from scratch.

Limitations

Of course, as we do not have Nintendo's private keys, the generated files can't be perfect.

What should work with a "from scratch" PRODINFO:

• Booting
• Launching homebrews

What won't work with a "from scratch" PRODINFO:

• Communicating with Nintendo's servers
• Amiibos (not tested)
• GameCards

What should work with a "from donor" PRODINFO:

• Booting
• Launching homebrews
• Amiibos (not tested)
• GameCards (not tested)
• Communicating with Nintendo's servers (HIGH PROBABILITY OF GETTING BANNED, not tested)

USE THIS TOOL AT YOUR OWN RISK, DO NOT OVERWRITE A FACTORY PRODINFO WITHOUT MAKING A BACKUP FIRST.

Usage

• Make sure you have a /switch/prod.keys file on your microSD card with a valid master_key_00 in it.
• If you want to use a donor PRODINFO, place it at /switch/donor_prodinfo.bin.
• Launch prodinfo_gen.bin using your favorite payload injector or chainloader.
• You should find /switch/generated_prodinfo_from_scratch.bin or /switch/generated_prodinfo_from_donor.bin depending on what you selected.
• You can now write that PRODINFO to your NAND using a tool such as HacDiskMount.

Building

Install devkitARM and run make.

Credits

• This software is based on shchmue's Lockpick_RCM.
• GCM encryption primitives from Atmosphère
• Most of the reverse engineering work comes from shchmue, PabloZaiden, SwitchBrew

License

This project is under the GPLv2 license.