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 Post your Switch Friend Codes!

Thread starter EpicLPer
Start date Mar 3, 2017
Views 53,001
Replies 342
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EpicLPer

Your friendly Austrian IT Guy

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Mar 3, 2017

Since no other thread like this exists, post your friend codes here!

SW-1209-7555-0606

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CharlesHoy

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Mar 3, 2017

SW-7442-4643-3712

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styckx

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SW-8308-8259-5981

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Manurocker95

Game Developer & Pokémon Master

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SW-3467-6896-1294

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Kioku

猫。子猫です！

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Mar 3, 2017

My FC is 7945-9548-4673

The SW before is just to say it's a Switch friend code. I added all 3 above.

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HackerBoy0412

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SW-1721-8719-9007

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Mushkin

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SW-0928-9853-1972

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UnknownUS3R

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- dont have a switch anymore -

Last edited by UnknownUS3R, Apr 27, 2018

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Xzi

Time to fly, 621

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Mar 3, 2017

SW-3454-0101-4446

Damn I got a good code. Easy to remember.

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snoofly

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Mar 3, 2017

6026-0378-3031

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lithium210

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5951-9552-9404

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TangoDeathClaw

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2238-7392-5805

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Kioku

猫。子猫です！

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Mar 4, 2017

Don't forget to go through and add the members who posted before. It'll send them a notification. While I don't agree with the FC system, this one seems more streamlined.

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spiralshadow123

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7840-5907-4593
Edit: No longer accepting requests. I'm satisfied with the number of people on my friends list.

Last edited by spiralshadow123, Jun 12, 2017

thomasnet

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3892-6325-1316

swabbo

Wot u doin readin dis m8?

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SW-5348-1287-8402

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Celebrimbor360

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6379-8023-8218

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Deleted-394630

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SW-5957-2374-7881

Feel free to add me!

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C0mm4nd_

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SW-5482-7670-1133

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Gaming Post your Switch Friend Codes!

Your friendly Austrian IT Guy

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猫。子猫です！

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Wot u doin readin dis m8?

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