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...

Hacking RELEASE KasherHekate - The new best bootloader with 4NXCI support

Thread starter thisisallowed
Start date Aug 14, 2018
Views 13,014
Replies 26
Likes 4

thisisallowed

中国御宅族

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Aug 17, 2018

lordelan said:
That sucks. Guess I'll go with ReiNX then.

Go with KasherHekate

lordelan

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Level 17

Aug 17, 2018

thisisallowed said:
Go with KasherHekate

Hm but will it be updated whenever the main Hekate receives an update?

Prince ofhell

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Aug 17, 2018

nice work

jakkal

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Level 14

Aug 17, 2018

Draxzelex said:
We have a best CFW, the best starter pack, and now we have the best bootloader?

when the second post has more likes than the OP

shadoom

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Level 9

Aug 17, 2018

having "personal reasons" not to use a software seems odd to me

Reactions: markmcrobie

thisisallowed

中国御宅族

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Aug 17, 2018

lordelan said:
Hm but will it be updated whenever the main Hekate receives an update?

Well, probably

palantine

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Level 5

Aug 17, 2018

What do you think of Falun Gong aka 法轮大法 ?

thisisallowed

中国御宅族

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Level 3

Aug 18, 2018

palantine said:
What do you think of Falun Gong aka 法轮大法 ?

I'm not actually Chinese, so don't know enough about it to have an opinion.

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Hacking RELEASE KasherHekate - The new best bootloader with 4NXCI support

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