Hello guys, this is my first post here! I just got a MIG Switch card out of curiosity and I was tinkering with it. For those who don't know, it's used by placing XCI dumps as well as other game specific bin files in the sd card of the MIG Switch, and are obtained from the original cartridge by using an app like nxdumptool. Two of these bin files are mandatory to get the game to boot: Initial Data.bin and Certificate.bin. They stay the same for every cartridge of a specific game. Now, if you want to use an XCI dump from a shady website it's impossible to get it to work without those files. By using the Certificate.bin from another game it has no problem, but this does not count for the Initial Data.bin. So I looked for a way to obtain this Initial Data from an XCI file and read a bit of the XCI file documentation from switchbrew dot org. Here's what I understood so far: The Switch checks if the cartridge is valid by doing a challenge–response authentication on the Initial Data. The Package ID is contained both on the XCI and the Initial Data, on positions 0x110 and 0x0 respectively. The Initial Data hash is on the XCI at position 0x160. It is calculated by doing a SHA-256 hash on the full Initial Data content. So I was wondering, is there a way to to construct a functional Initial Data file starting from an XCI dump? I also tried a reverse approach by editing the Package ID in the Initial Data from another game, generating the Initial Data hash and putting it in the XCI file but is not enough to get the Switch believe it's a real game. Sorry if this may seem stupid but let me know what you think.

mig switch not working/updating??

stickybit · 2024-03-28T19:59:51+00:00

just got my mig switch and followed instructions to the T to update it and all im getting is a red light and then a message saying cart not recognised, all im trying to do is update it to the latest firmware, it says it should flash blue when...

Hacking Question Prod Keys on emuNAND

Thread starter MariusMoga
Start date Jul 23, 2019
Views 5,958
Replies 2

MariusMoga

Member

Newcomer

Level 1

Jul 23, 2019

Hi,

I have a Switch running emuNAND with firmware 5.1.0. I updated it with Choix from 3.0.1. I generated the Prod Keys when on firmware 3.0.1 and it looks like it worked also for 5.1.0 (at least on 2 NSP files I installed).

Now I am considering updating the emuNAND to 8.1.0 to install other NSPs as well. Do I need to re-generate the Prod keys after the update? I've read something with firmware 6.2.0 changing the way how they are generated but I didn't understood exactly all the details ...

Thanks,
M

Draxzelex

Well-Known Member

Member

Level 23

Aug 2, 2019

You need newer keys for newer games. However you cannot dump keys with emuMMC, you can only obtain them from sysMMC.

MindLimp

Member

Newcomer

Level 1

Sep 18, 2019

Figured I would bump this because I was looking for this answer as well.

As of today (8 hours ago), you are able to dump keys from emuMMC. I can't direct link, but its on the Lockpick_RCM GitHub version 1.5.0

Reactions: aut0mat3d