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.

duckstation for Switch

catlover007 · 2024-04-22T04:06:40+00:00

duckstation is an excellent Playstation 1 emulator by Stenzek. It has a very good compabiility and it is quite performant. It also supports all kinds of enhancements such as high resolution rendering and PGXP which can lessen the "wobble" and...

ROM Hack RELEASE New tool: SX Save Manager

Thread starter Fred Molyneux
Start date Jul 28, 2020
Views 3,185
Replies 5
Likes 1

Fred Molyneux

Well-Known Member

Member

Level 6

Jul 28, 2020

It seems TX has released a new tool for their SX OS.
I haven't tested it yet, but could be useful!

<Don't link to TX>

They have a warning at the bottom though, if anyone has tested the cloud function, i am interested to know what they think of it.

Last edited by linuxares, Jul 29, 2020

Reactions: jnl1

PizzaBitez

Shadow Clone Justu.

Member

Level 2

Jul 28, 2020

hm. wonder where they got this from?

Reactions: TheCasualties and slimbizzy

XD2020

Well-Known Member

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Level 3

Jul 28, 2020

how does this compare to checkpoint?

PizzaBitez

Shadow Clone Justu.

Member

Level 2

Jul 28, 2020

XD2020 said:
how does this compare to checkpoint?

Tried it. Worked fine for my save of ac.

Reactions: slimbizzy and Fred Molyneux

kerelenko

Well-Known Member

Member

Level 9

Jul 29, 2020

not working on my SX lite switch: error 2162-0002
tried downloading multiple times and installing via tinfoil and SXOS built-in installer
Could there be some conflicts with cheats, themes, or other homebrew?

Fred Molyneux

Well-Known Member

Member

Level 6

Jul 29, 2020

kerelenko said:
not working on my SX lite switch: error 2162-0002
tried downloading multiple times and installing via tinfoil and SXOS built-in installer
Could there be some conflicts with cheats, themes, or other homebrew?

you should send them an email. Works fine on my SX Pro and SX Core though.