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.

Gaming I have replaced the in-home-switching app. Just need to make at least 5 posts so I can make the link

Thread starter DevL0rd
Start date Apr 24, 2020
Views 1,668
Replies 4
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DevL0rd

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Apr 24, 2020

Nvm Got an admin to lift it, the thread is here:

https://gbatemp.net/threads/skynx-v1-0-stream-your-pc-games-to-your-nintendo-switch.563403/

Last edited by DevL0rd, Apr 25, 2020

Reactions: hippy dave, mrcroket, xabier and 1 other person

xabier

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Apr 24, 2020

https://github.com/DevL0rd/SkyNX

Looks really polished!

driverdis

I am Justice

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Apr 25, 2020

DevL0rd said:
Well. The title says it all..

But if you want to try it out, it is on GitHub and it's called SkyNX!

I can only make one post a day sadly so this may take a while...

what happened to the tutorial on using the Switch as a Wii U game pad with CEMU?

DevL0rd

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Apr 25, 2020

driverdis said:
what happened to the tutorial on using the Switch as a Wii U game pad with CEMU?

I stil lcan't post links, but try the link again on the github. should be fine now

DevL0rd

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Apr 25, 2020

Ok a admin lifted the restriction for me.
So here is the thread.
https://gbatemp.net/threads/skynx-v1-0-stream-your-pc-games-to-your-nintendo-switch.563403/

--------------------- MERGED ---------------------------

driverdis said:
what happened to the tutorial on using the Switch as a Wii U game pad with CEMU?

Nintendo Switch as a WiiU Gamepad

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