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Discussion in 'NDS - Emulation and Homebrew' started by MurraySkull, Sep 26, 2014.
How do I decrypt a DSi ROM?
I would assume eNDryptS should work just fine.
I am trying to decrypt Four Swords: Anniversary Edition.
That's a DSiWare game, you didn't mention that. I don't really know how to decrypt DSi games, I'm not even sure if there's an easy way to do it.
Well, somebody has done it.
Is there any way to "convert" DSiWare into a regular .nds rom?
None that I heard of, although it's probably feasible.
Again, somebody has done it.
Posting the same link twice doesn't help (I also have to remove your link since it cross-links to warez .SDAT files).
DSiWare games are encrypted and signed with your unique console key - cartridge-based games and DSiWare are two different beasts. The key is located in dev.kp, a file created in your system's NAND as you first entered the DSi store. Retrieving that key used to be possible using two exploits - DSiHax and WinterMute's exploit, both were patched by Nintendo. You'll have to get your hands on that key by extracting dev.kp from your NAND and decrypting it first if you want the binary to be executable after you're done, you need it in order to re-sign the file, decrypting it isn't the only step you need to take. Doing that will require you to connect your NAND to an MMC-compatible dongle. I suggest looking up DSiBrew for details. If you just want to extract something, decrypting is probably all you need to do.
Here's a link to DSiBrew's description of ES block encryption, it might be what you're looking for. They also link to a couple of tools that you could use: http://dsibrew.org/wiki/ES_block_encryption
ive found the application you need http://www.filedropper.com/dsisrlextract also if you need a ds/3ds flashcart please check this page out http://www.dsgamerworld.com also it might help to read some of the information in this thread http://gbatemp.net/threads/project-port-flipnote-studio-to-3ds.373000/