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.

DBI language error

kevinxyz · 2024-04-01T01:04:31+00:00

My dbi language change every time i open it. How to change it to default eng?

Switch Backup Manager that isn't trash?

Thread starter Dave_Chad
Start date Oct 20, 2023
Views 848
Replies 4

Dave_Chad

Well-Known Member

Member

Level 11

Oct 20, 2023

Maybe i am using them wrong but i have tried two recommended Switch Backup managers and they don't recognisae all my files or rename them properly. Am i using them wrong? Am i expecting too much?

linuxares

The inadequate, autocratic beast!

Global Moderator

Level 26

Oct 20, 2023

Follow the scene naming standard?

Reactions: BaamAlex and mathew77

Dave_Chad

Well-Known Member

Member

Level 11

Oct 20, 2023

linuxares said:
Follow the scene naming standard?

The two i have tried are Switch Backup Manager and Switch Library Manager. Both don't recognise a lot of my files. If i have to manually rename them to a scene standard then it defeats the point of me having the apps i guess. I don't have a lot maybe 30 files so i can rename them myself. Just thought an app to manage them was kind of cool.

linuxares

The inadequate, autocratic beast!

Global Moderator

Level 26

Oct 20, 2023

I never used them so I don't know how they work. But I don't think they open the files but read the file names.

Menacer

Active Member

Newcomer

Level 8

Oct 20, 2023

If checksums are used for identification, recognition of nsp files often fail because of the nature of nsp files. It should work well for xci files. Maybe that's the problem.