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'''Mii Maker''' lets you create Miis, like Wii Mii Channel. Here you can transfer Miis over [[NWM_Services|local-WLAN]] from other systems running Mii Maker(3DS/Wii U), or from Wii Mii Channel. 3DS Miis can't be transfered to Wii Mii Channel, only from Wii.
'''Mii Maker''' lets you create [[Mii]]s, and is the successor of the Wii's Mii Channel.
It can transfer Miis over [[NWM_Services|local wireless]] from other systems running Mii Maker (3DS/Wii U), or receive, but not send, from Mii Channel.
== Wii Mii Channel transfer protocol ==
== Wii Mii Channel transfer protocol ==
3DS Mii QR is a standard 57x57 pixel Level 10 High ECC QR code with 'Mii' logo in center (refer to [http://www.denso-wave.com/qrcode Denso-Wave Inc] web site for QR Code format specifications). It contains 0x70-bytes of binary data. 3DS seems to have a fully implemented QR-code decoder, as it can interpret such Mii binary data being encoded even in the smallest possible for that data size Level 6 Low ECC QR code.
3DS Mii QR is a standard 57x57 pixel Level 10 High ECC QR code with 'Mii' logo in center (refer to [http://www.denso-wave.com/qrcode Denso-Wave Inc] web site for QR Code format specifications). It contains 0x70-bytes of binary data. 3DS seems to have a fully implemented QR-code decoder, as it can interpret such Mii binary data being encoded even in the smallest possible for that data size Level 6 Low ECC QR code.
The data itself is encrypted with AES-CCM, xorpads can be determined from known plaintext here. The Mii Maker application uses the [[NS]] APT Wrap/Unwrap commands to encrypt/decrypt this Mii data. For the NS [[APT:Unwrap|Unwrap]] command, the Mii Maker application uses blocksize=12, noncesize=10, and inputbuffer-size=0x60. The first 8-bytes(cleartext MiiID+MAC address) in the below Mii data is the nonce used with the NS Unwrap/Wrap commands, the rest of the data at 0x8-0x5F is encrypted.
The data itself is encrypted with AES-CCM, xorpads can be determined from known plaintext here. The Mii Maker application uses the [[NS]] APT Wrap/Unwrap commands to encrypt/decrypt this Mii data. For the NS [[APT:Unwrap|Unwrap]] command, the Mii Maker application uses nonceoffset=12, noncesize=10, and inputbuffer-size=0x60. Note that the actual nonce size is 8 bytes due to Wrap/Unwrap implementation, and the nonce data should be moved 12 bytes afterwards after decryption. The rest of the data at 0x8-0x5F is encrypted, and should be split into two parts after decryption, with the nonce data in the middle. (See [[APT:Wrap|Wrap]] and [[APT:Unwrap|Unwrap]] for more information)
{| class="wikitable"
{| class="wikitable"
| 0x0
| 0x0
| 0x4
| 0x4
| Mii ID (big-endian 32-bit unsigned integer)<br/>The most significant 3 bits determine whether the Mii is Special, Foreign, or Normal [http://www.davidhawley.co.uk/special-miis-gold-pants-and-creating.aspx]<br/>time_offset = (mii_id & 0x0FFFFFFF) * 2;<br/>time_offset is the time the Mii was created, represented as the number of seconds since 01/01/2010 00:00:00
| Mii ID (big-endian 32-bit unsigned integer)<br/>The most significant 3 bits determine whether the Mii is Special, Foreign, or Normal [https://web.archive.org/web/20071011001718/http://www.davidhawley.co.uk/special-miis-gold-pants-and-creating.aspx]<br/>time_offset = (mii_id & 0x0FFFFFFF) * 2;<br/>time_offset is the time the Mii was created, represented as the number of seconds since 01/01/2010 00:00:00
|-
|-
| 0x4
| 0x4
|-
|-
| 0x8
| 0x8
| 0x1
| 0x4
| Unknown, the encrypted data begins here.
| [[Mii#Mii_ID|Mii ID]], the encrypted data begins here.
|-
| 0xC
| 0x8
| System ID (this ID is produced by the output from [https://www.3dbrew.org/wiki/Cfg:GenHashConsoleUnique GenHashConsoleUnique(0x0)])
|-
|-
| 0x9
| 0x14
| 0x1
| 0x2
| Allow Copying
| Low 2 octets of MAC address
|-
|-
| 0xA
| 0x16
| 0xE
| 0x2
| unknown
| padding (0000)
|-
|-
| 0x18
| 0x18
| 0x30
| 0x30
| 0x1
| 0x1
| bit 0: force sharing to off<br/>bit 1-4: face shape<br/>bit 5-7: skin color
| bit 0: disable sharing<br/>bit 1-4: face shape<br/>bit 5-7: skin color
|-
|-
| 0x31
| 0x31
| 0x5E
| 0x5E
| 0x2
| 0x2
| unknown
| CRC16 over the previous 0x5E
|-
|-
| 0x60
| 0x60
* QR codes made from the same 3DS for the same Mii are use the same AES-CCM nonce (you can recreate the xorpad by xoring with known values from this table).
* QR codes made from the same 3DS for the same Mii are use the same AES-CCM nonce (you can recreate the xorpad by xoring with known values from this table).
== Mii Database ==
Created, received, or even met-in-multiplayer Miis are saved in [[Mii|CFL_DB.dat]].
== Savedata ==
=== editSaveData.bin ===
{| class="wikitable"
|-
! Offset
! Length
!
|-
| 0x0
| 0x4
| "TIDE" header (EDIT byteswapped)
|-
| 0x4
| 0x4
| zero
|-
| 0xC
| 0x4 (?)
| 01000000 (constant?)
|-
| 0x100
| 0x4
| Number of scanned Special Mii QRs
|-
| 0x104
| -
| Some data identifying each scanned Special Mii QRs, for the purpose of not making them scannable again. 8 or 12 byte each?
|-
| 0x2904
| 0x4
| Checksum?
|}
== ExtData ==
== ExtData ==