![]() ![]() ![]() In this case of Flipnote Studio 3D, there are multiple files with an ID, then ending with the. "JKZP" for Flipnote Studio 3D), then its corresponding data, as shown here: Inside the app directory contains a directory with the game code of the application (eg. Some apps, such as Flipnote Studio 3D create a directory called "private" on the root of the SD Card, it contains a Nintendo 3DS directory inside it. There is also a directory called "private" on the root of the SD card that contains data, in which would otherwise be completely different from what the Nintendo 3DS normally uses, but known to the application itself. Under the sound private dir is: voice/XX/*.m4a. When you want to install and see pictures with 3DS, rename to 8 numbers.mpo and save it on /DCIM. Under the camera private dir is phtcache.bin. "Private" data is stored here as cleartext: Nintendo DSiWare - DSiWare titles are exported here. For more info on the title data structure see Title Data Structure. For a list of SD Card titles see the Title list. All data in this directory is encrypted with a console-unique keyslot. Title - Title data for titles installed to the SD Card are found here. ![]() For more info, see SD Savedata Backups.ĭbs - This contains database files relating to the titles installed on the SD Card. avi format and the video frames use MJPG.īackups - This directory contains SD Title Savedata backups. Note: Playing/Recording (3D) Videos was introduced with update 3.0.0-5. Internet Browser image downloads are stored here too. Then, each u16 is moved as described in the below table:ĭCIM - Photos and Videos taken by the Nintendo 3DS Camera application are stored in this directory. To generate this directory name from the original CID, first the CID is rotated 8-bits to the left. ID1 is the scrambled SD card CID from the SD card which this directory was originally created on.ID0 is the first 0x10-bytes from a SHA256 hash.Files stored under nand/data/ also use the same keyslot, but it is only used for MACs.Thus it is possible to obtain some cleartext by XORing one file(like newly created extdata) with a newer file, where the newer file overwrote zeros in the original file with non-zero data. The base CTR is fixed for each file, therefore the CTR never changes after each write.Then calculate CTR as CTRbyte = Hashbyte ^ Hashbyte for i = 0 to 15. The crypto IV/CTR for each file is generated as follows: take the UTF-16 path relative to sdmc/Nintendo 3DS// (the path it self begins with "/") and hash it with SHA-256, including the null null-terminator.The keyslot is initialized by nand/private/d. Everything stored under sdmc/Nintendo 3DS// is encrypted by 128 bit AES-CTR with console-unique keyslots.The 3DS uses an SD Card for general storage of game data, music, photos and videos taken with the 3DS. ![]()
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