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 The Legend of Heroes Ao no Kiseki Kai English Patch

Thread starter EvilGoku
Start date Jun 4, 2021
Views 44,393
Replies 189
Likes 11

Sthefynice

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Newcomer

Level 1

Oct 5, 2021

#181

This is amazing!
Oh, but will there be a ps vita version of the patch too in a near future?

Crashdummyy

Well-Known Member

Member

Level 8

Nov 27, 2021

#182

Hey @EvilGoku ,
Any Chance of a reupload ?
The one in the other thread doesnt work and the repo ist dead....

Deleted member 577889

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Dec 31, 2021

#183

Sthefynice said:
This is amazing!
Oh, but will there be a ps vita version of the patch too in a near future?

I'd love this ._.

Switchgamer123

Well-Known Member

Newcomer

Level 3

Jul 20, 2022

#184

Could you repost yours? Graber has taken their mod down and its nowhere to be seen :/

fatmeegz

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Jul 23, 2022

#185

DM me. I just found a link yesterday when stumbling accross this thread.

fatmeegz

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Jul 23, 2022

#186

Switchgamer123 said:
Could you repost yours? Graber has taken their mod down and its nowhere to be seen :/

DM me.

Kyomi

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Sep 5, 2022

#187

Would someone please send me the link to the english patch ? (T.T)

XXLANCEXX

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Member

Level 11

Sep 21, 2022

#188

*edit nvm didnt realize its against the rules cause it got officially announced

Last edited by XXLANCEXX, Sep 21, 2022

wlkiller1991

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Sep 26, 2022

#189

fatmeegz said:
DM me.

DM send

RKSashimi

New Member

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Level 1

Mar 18, 2023

#190

Any update for the vita version?

Post automatically merged: Mar 18, 2023

Any update for the vita version?

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