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This page describes the format, encryption, etc. of savegames found in 3DS game cartridges/gamecards and elsewhere. You can find savegames from various 3DS games on the [[Games]] page.
This page describes the format, encryption, etc. of savegames stored in 3DS game cartridges/gamecards and SD/NAND. You can find savegames from various 3DS games on the [[Games]] page.
=== Encryption ===
=== Gamecard Savegame Encryption ===
On the 3DS savegames are stored much like on the DS, that is on a FLASH chip in the gamecart. On the DS these savegames were stored in plain-text but on the 3DS a layer of encryption was added. This is highly likely a streamcipher, as the contents of several savegames exhibit the odd behavior that xor-ing certain parts of the savegame together will result in the plain-text appearing.
On the 3DS savegames are stored much like on the DS, that is on a FLASH chip in the gamecart. On the DS these savegames were stored in plain-text but on the 3DS a layer of encryption was added. This is highly likely a streamcipher, as the contents of several savegames exhibit the odd behavior that xor-ing certain parts of the savegame together will result in the plain-text appearing.