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...

Gaming What do you guys think of this interview with Reggie?

Thread starter Metoroid0
Start date Jan 19, 2017
Views 1,111
Replies 7

Metoroid0

Samus Aran

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Level 10

Jan 19, 2017

(also if you are a Metroid fan go to 9:46)

Oh also, check this out fans of Metroid!
Go to 3:07 x)

Last edited by Metoroid0, Jan 19, 2017

Trolling

This Username is taken. Problem?

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Jan 19, 2017

Nothing special, just some empty words and promises.
Don't get hyped now, and wait for a official announcement.

Metoroid0

Samus Aran

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Level 10

Jan 19, 2017

Trolling said:
Nothing special, just some empty words and promises.
Don't get hyped now, and wait for a official announcement.

Yeah well its hard not to x)
By the way, whay not to use rxTools?

JohnTravolski

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Jan 22, 2017

"(also if you are a Metroid fan go to 9:46)"

So true

Reactions: Metoroid0

WiiUBricker

News Police

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Jan 22, 2017

Can someone just write up what he says about Metroid?

JohnTravolski

Well-Known Member

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Jan 22, 2017

"Nothing to announce at this time. Talk to me in a year"

WiiUBricker

News Police

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Jan 22, 2017

JohnTravolski said:
"Nothing to announce at this time. Talk to me in a year"

Ah, this again. I should have seen this coming.

Bladexdsl

fanboys triggered 9k+

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Level 22

Jan 22, 2017

Reggie full of hot air as usual

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Gaming What do you guys think of this interview with Reggie?

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