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Savegames (edit)

Revision as of 20:30, 22 December 2019

975 bytes added ,  20:30, 22 December 2019
→‎Gamecard savegame Encryption: Add summary table for encryption
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== Gamecard savegame Encryption ==
 
== Gamecard savegame Encryption ==
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Gamecard encryption is AES-CTR applied on top of DISA container, but below the wear leveling layer (if exists). The same key Y used for encryption is also used for DISA CMAC signing. Several versions of encryption scheme have been introduced over the time.
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{| class="wikitable" border="1"
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|-
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!  FW Introduced
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!  Old3DS
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!  [[AES#Keyslot|AES Keyslots]] (Encryotion / CMAC)
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!  Key Y generation method
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!  Repeating CTR
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|-
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| The initial version
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| style="background: #ccffbb" | Yes
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| 0x37 / 0x33
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| v1
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| style="background: #ccffbb" | Yes
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|-
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| [[2.0.0-2]]
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| style="background: #ccffbb" | Yes
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| 0x37 / 0x33
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| v2
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| style="background: #ccffbb" | Yes
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|-
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| [[2.2.0-4]]
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| style="background: #ccffbb" | Yes
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| 0x37 / 0x33
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| v2
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| style="background: #ffccbb" | No
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|-
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| [[6.0.0-11]]
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| style="background: #ccffbb" | Yes
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| 0x37 / 0x33
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| v3
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| style="background: #ffccbb" | No
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|-
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| [[9.6.0-24|9.6.0-X]]
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| style="background: #ffccbb" | No
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| 0x1A / 0x19
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| v2?
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| style="background: #ffccbb" | No
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|}
    
=== Repeating CTR Fail ===
 
=== Repeating CTR Fail ===
Wwylele
242

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