Homebrew [Port/Release] 3DSFAT16Tool - C Rewrite by d0k3

d0k3 · Aug 5, 2015

Ikki Barri said:
Great work! I have a problem though in that my xorpad file is a "bad size". Created in rxTools. Could someone tell me where I've gone wrong? Does my 3DS need to be on a particular firmware, for example?

Edit: nvm, I used Decrypt9 running with Ninjhax to create a proper Fat16.xorpad and worked fine. I didn't know that it was that easy to run Decrypt9!

Thanks everyone for your work!

Still, I wonder what happened - can you tell me what size your (rxTools) xorpad was? 3DSFAT16tool should work with xorpads from any source. And of course it is easy to run Decrypt9

.

Edit: Nevermind. I've checked the rxTools source code and noticed that rxTools dumps an additional ~2MB of garbage when generating the xorpad. I'll update 3DSFAT16tool later today.

Edit2: ... and 3DS Multi Tool does it the same way as rxTools with garbage at the end of the file. Fix badly needed I fear. Fix coming up later today.

d0k3 · Aug 5, 2015

Ikki Barri said:
Great work! I have a problem though in that my xorpad file is a "bad size". Created in rxTools. Could someone tell me where I've gone wrong? Does my 3DS need to be on a particular firmware, for example?

Okay, fixed and updated. @x7l7j8cc , your GUI won't need any adjustments for this but you may want to update the 3DSFAT16tool executable for better compatibility.

x7l7j8cc · Aug 5, 2015

@d0k3

Well, i really wanted, but i cant...
Because i Use VB.NET, and your 3DSFAT16tool is in C/C++, and C/C++ Codes cant be ported to VB.NET.

I Can understand some codes of C/C++, but some codes for me is a Total Void.

d0k3 · Aug 5, 2015

x7l7j8cc said:
@d0k3

Well, i really wanted, but i cant...
Because i Use VB.NET, and your 3DSFAT16tool is in C/C++, and C/C++ Codes cant be ported to VB.NET.

I Can understand some codes of C/C++, but some codes for me is a Total Void.

Oh, you got me wrong. I meant: You may include the new 3DSFAT16tool executable (which I compiled, or compile yourself) in your GUI. Then you'll have better compatibility. No need to get your hands dirty with C/C++ coding

.

x7l7j8cc · Aug 5, 2015

@d0k3

Ops, I misunderstood what you said before... ahahahha XD

Anyway, already updated the Archive with the 3.1 tool and the GUI now is v1.1.4, because i fixed some bugs and improved some function.

You can find the updated Archive here. (same post, linked at the first page)

Ikki Barri · Aug 5, 2015

d0k3 said:
Still, I wonder what happened - can you tell me what size your (rxTools) xorpad was? 3DSFAT16tool should work with xorpads from any source. And of course it is easy to run Decrypt9 .

Edit: Nevermind. I've checked the rxTools source code and noticed that rxTools dumps an additional ~2MB of garbage when generating the xorpad. I'll update 3DSFAT16tool later today.

Edit2: ... and 3DS Multi Tool does it the same way as rxTools with garbage at the end of the file. Fix badly needed I fear. Fix coming up later today.

Awesome!

MelonGx · Feb 10, 2016

Trying to move 3DS-A emuNAND (9.9.0-26J) to 3DS-B emuNAND (10.5.0-30J), but failed.
Both 3DS-A and 3DS-B are O3DS.

Steps I did:

1) Dump both FAT16 XORPAD
2) Dump both emuNAND
3) Use 3DSFAT16Tool to decrypt + extract both CTR image
4) Use 3DSFAT16Tool + 3DS-B FAT16 XORPAD to inject decrypted 3DS-A CTR image to 3DS-B emuNAND
5) Restore 3DS-B emuNAND and try to boot it

The result is blackscreen.

Can anyone tell me what is wrong with it?

d0k3 · Feb 10, 2016

MelonGx said:
Trying to move 3DS-A emuNAND (9.9.0-26J) to 3DS-B emuNAND (10.5.0-30J), but failed.
Both 3DS-A and 3DS-B are O3DS.

Steps I did:

1) Dump both FAT16 XORPAD
2) Dump both emuNAND
3) Use 3DSFAT16Tool to decrypt + extract both CTR image
4) Use 3DSFAT16Tool + 3DS-B FAT16 XORPAD to inject decrypted 3DS-A CTR image to 3DS-B emuNAND
5) Restore 3DS-B emuNAND and try to boot it

The result is blackscreen.

Can anyone tell me what is wrong with it?

What you're trying to do here won't work. Think about it, if the content of the NAND memory was that interchangable, would there ever have been a shortage of <= 9.2 consoles (when you could "downgrade" as many consoles as you'd like from just one good FW console, to be clear)? The encryption of the CTRNAND partition is not the only thing different between two same type, same region consoles, there's also something about the content of the CTRNAND that prevents us from just cloning NANDs to another console.

MelonGx · Feb 10, 2016

d0k3 said:
What you're trying to do here won't work. Think about it, if the content of the NAND memory was that interchangable, would there ever have been a shortage of <= 9.2 consoles (when you could "downgrade" as many consoles as you'd like from just one good FW console, to be clear)? The encryption of the CTRNAND partition is not the only thing different between two same type, same region consoles, there's also something about the content of the CTRNAND that prevents us from just cloning NANDs to another console.

Because System Transfer makes the NAND clone-able.
I want to find a way to do the similar thing without doing System Transfer.
Next time I may try partially replacing 3DS-B NAND files with 3DS-A NAND files. But now I cannot figure out what files need to move.

d0k3 · Feb 10, 2016

MelonGx said:
Because System Transfer makes the NAND clone-able.
I want to find a way to do the similar thing without doing System Transfer.
Next time I may try partially replacing 3DS-B NAND files with 3DS-A NAND files. But now I cannot figure out what files need to move.

Would be great if you found something, but I guess one of the problems you will encounter with that is that not all of the files in CTRNAND are fully understood yet. Meaning: a file can have console specific and generic content alongside. Wishing you good luck, though, let us know if you find something!

Chrushev · Mar 8, 2016

Is this supposed to work on 10.6 emunand? I can get the output file, but once I rename it to ISO it says its corrupt and cant be mounted. Tried various mounting programs :/ help?

d0k3 · Mar 8, 2016

Chrushev said:
Is this supposed to work on 10.6 emunand? I can get the output file, but once I rename it to ISO it says its corrupt and cant be mounted. Tried various mounting programs :/ help?

You can't generate a proper XORpad on EmuNAND 10.6. And you most likely used A9LH, which lead to other problems. Wait for the next release of Decrypt9WIP (most likely today) and try again.

Chrushev · Mar 8, 2016

d0k3 said:
You can't generate a proper XORpad on EmuNAND 10.6. And you most likely used A9LH, which lead to other problems. Wait for the next release of Decrypt9WIP (most likely today) and try again.

Hmm I actually was able to mount it on another ISO program and extract all the files needed... this is on O3DS... I do have N3DS that I plan to move stuff to that is running A9LH

d0k3 · Mar 8, 2016

Chrushev said:
Hmm I actually was able to mount it on another ISO program and extract all the files needed... this is on O3DS... I do have N3DS that I plan to move stuff to that is running A9LH

Alright. I don't know if what you're planning to do will work, so keep a backup just to be safe.

Chrushev · Mar 8, 2016

d0k3 said:
Alright. I don't know if what you're planning to do will work, so keep a backup just to be safe.

Yea I hope it works, Im following this guide https://gbatemp.net/threads/tutorial-manual-system-transfer-for-saves-content.388033/ really all I care is about the StreetPass and spotpass/mii data... wish there was an app for transfering those easily. JK's Save Manager is getting close but it doesnt transfer that stuff properly yet.

Chrushev · Mar 8, 2016

Nope didnt work. Xorpads are generated but when you XOR the Nand it gives corrupt output... same process works fine on o3DS... so this is a n3DS issue... you said you will be fixing it soon?

d0k3 · Mar 8, 2016

Chrushev said:
Nope didnt work. Xorpads are generated but when you XOR the Nand it gives corrupt output... same process works fine on o3DS... so this is a n3DS issue... you said you will be fixing it soon?

It is already fixed, but wait for the proper release (as I told you above...). The next release of Decrypt9 will do what you want there.

Chrushev · Mar 8, 2016

d0k3 said:
It is already fixed, but wait for the proper release (as I told you above...). The next release of Decrypt9 will do what you want there.

Can you tell me what version to be on a look out for? Is it going to show up here? https://github.com/d0k3/Decrypt9WIP/releases ?

d0k3 · Mar 8, 2016

Chrushev said:
Can you tell me what version to be on a look out for? Is it going to show up here? https://github.com/d0k3/Decrypt9WIP/releases ?

Yes, and I'll announce it in the Decrypt9 thread. Don't be impatient, though

Chrushev · Mar 8, 2016

d0k3 said:
Yes, and I'll announce it in the Decrypt9 thread. Don't be impatient, though

Thanks for your hard work. Will wait patiently.. cant use my console until this drops

//prepares to F5 the page every 5 min

Homebrew [Port/Release] 3DSFAT16Tool - C Rewrite by d0k3

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