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.

Hacking Games cant be played/downloaded after atmosphere

Thread starter StiffyLongbottom
Start date Jun 23, 2021
Views 2,510
Replies 5

StiffyLongbottom

New Member

Newbie

Jun 23, 2021

I just started using atmosphere and for hours i've been trying to find out why the cloud symbol next to the games are there. when I go to download them it says "Error could not connect to server"

petspeed

Well-Known Member

Member

Level 9

Jun 24, 2021

Do you use EmuMMC? If yes did you copy your Nintendo folder into the emummc folder after creating the EmuMMC?

Reactions: burhansalih

burhansalih

Well-Known Member

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Level 11

Jun 24, 2021

check what @petspeed said.

StiffyLongbottom

New Member

Newbie

Level 1

Jun 24, 2021

petspeed said:
Do you use EmuMMC? If yes did you copy your Nintendo folder into the emummc folder after creating the EmuMMC?

I did and it still dosent work it keeps saying "Server communication error"

Last edited by StiffyLongbottom, Jun 24, 2021

StiffyLongbottom

New Member

Newbie

Level 1

Jun 24, 2021

When I check the app called 90DNS checker on the switch it says everything is blocked but I didnt even touch my dns settings, how do I fix this?

thesjaakspoiler

Well-Known Member

Member

Level 8

Jul 4, 2021

Did you get the latest sigpatches?
Those don't come with Atmosphere, those files are only for pirates. *harharhar*

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