Hacking Dump Retail Animal Crossing Save with Gateway?

Cilerba

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I'm just trying to transfer my retail Animal Crossing save to my dumped Animal Crossing ROM so I can play it on my Gateway without constantly needing to change cards. Since Animal Crossing is a Card2 Type of save, I figured just dumping the ROM would work but it didn't. Any ideas what would work?
 

lemanuel

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I'm just trying to transfer my retail Animal Crossing save to my dumped Animal Crossing ROM so I can play it on my Gateway without constantly needing to change cards. Since Animal Crossing is a Card2 Type of save, I figured just dumping the ROM would work but it didn't. Any ideas what would work?

Savedatafiler is probably the best bet but I think that AC has some kind of weird save protection though so I don't know if it will work.
 

Cilerba

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The ROM, when played, stated the save was corrupted and would be deleted. How would I use SaveDataFiler with a retail cart?
 

MelonGx

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Animal Crossing 1 will work.
Animal Crossing 2 will not work because GW never recognizes KeyY 6.0 encrypted saves.
 
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Animal Crossing 1 will work.
Animal Crossing 2 will not work because GW never recognizes KeyY 6.0 encrypted saves.

Gateway doesn't "recognize" anything. If you are running gateway on a 7.0+ sysnand you can read the save fine.
 

MelonGx

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You can't run cia files in classic mode
Of course we can't.
But it's off topic.
TC wants to make retail cart KeyY 6.0 save work with only GW platform.
But it's impossible.

- GW mode forces all the saves R/W-ing in KeyY 2.2 encryption.
- Classic mode R/Ws saves in KeyY 6.0 encryption BUT SaveDataFiler can't run on it.
- GW Launcher's ROM dumper leaves the Card2 save encrypted so the save is still in KeyY 6.0.
 
Last edited by MelonGx,
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This only works on Classic mode.
GW mode forces everything in .3DS/.3DZ format using KeyY 2.2 save encryption.

Yea...definitely not true. The save encryption is based off the sysnand you booted the exploit from. Otherwise I wouldn't be able to dump my retail carts and play them in GW mode (hint: I can)
 

Aroth

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Neptune, ripping and playing roms has nothing to do with save encryption. The problem is that Gateway Mode (required to use rom files) does not use the newer 6.0+ KeyY encryption, so trying to load a save file that was initialized or otherwise created on a 6.0+ firmware will fail.

Gateway Mode uses 2.2 KeyY encryption
Classic Mode uses whatever encryption the SysNAND booted with (<6.0 for old users, 6.0+ for newer users or those who upgraded to 9.0-9.2)
SysNAND obviously uses its own encryption

Since retail carts can only be loaded in Classic Mode or SysNAND, users with a 9.0+ SysNAND will have their retail cart saves encrypted with the newer 6.0+ KeyY encryption. Those saves will never (as far as I have read) load alongside a .3ds/3dz file that is booted in Gateway Mode. Since it is using the 2.2 KeyY encryption to try and decrypt a save that was encrypted with a 6.0+ KeyY encryption it reports back as corrupted and the rom will delete it.

Read here for more info:
https://gbatemp.net/threads/guide-the-emunand-save-data-mega-guide-gbatemp-doesnt-deserve.378491/
 

MelonGx

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Yea...definitely not true. The save encryption is based off the sysnand you booted the exploit from. Otherwise I wouldn't be able to dump my retail carts and play them in GW mode (hint: I can)
Haha, you could. Either you were telling not the truth or you were telling the old games using old save encryption such as 99% of pre-Oct-2013 released titles. Those gamesaves never corrupt but discussing them is out of the point.

GW mode forces using 2.2 encryption on every .3DS/.3DZ game regardless of SysNAND.
So GW mode + KeyY 6.0 game dumped save = corruption.
 
Last edited by MelonGx,
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I'm pretty sure this changed when the web exploit was released. Else, how could I have dumped retail carts and continued my saves on emunand?
 

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