ROM Hack 3DS ROM Editing

BullyWiiPlaza

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So what's the reason for all the complication with the ROM editing? Why can't someone make a tool to allow editing any ROM file structure right away like on previous consoles?
 

Twili

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We can't write a completely self-contained ROM decryption tool on a computer because you would need:

1. The normal-key for keyslot 0x24 of the 3DS.
2. The algorithm used by the hardware key-scrambler.

An operation (number 2) is performed with number 1 and the key you can generate with the keygen that's part of the CTR_Decryptor toolset to produce the title key used to decrypt a game. We need 1 and 2.
 
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