Mii error on setting and decrypting.

[impeeza]

Hello there, first thanks a lot for all your effort and great work.

I am using a Erista V1 unpatched console, with the next software:

• Atmosphère 1.5.4
• Hekate 6.0.5
• Firmware 16.0.3 Rebootless Update # 2
• Emuiibo 1.0.0 commit a7177e1 (also tested on 97326a0 and 704380d)

Well, the steps to reproduce the problem are:

On my New Nintendo 3DS XL Firmare 11.16.0.4-49U using HOME Menu -> amiibo Settings Register Owner, Nickname and Mii on a physical Amiibo (NFC tag):

After that on the same New Nintendo 3DS XL using the Thenaya homebrew, dump the NFC tag to the 040655DF6EAF61_203306291648.bin file (572 bytes):

Copy the 040655DF6EAF61_203306291648.bin file to the SD:/emuiibo/amiibo/ folder on my Nintendo Switch Console.

Restart the console, after the restart the SD:/emuiibo/amiibo/ folder now have a 040655DF6EAF61_203306291648 folder with the NFC dumped amiibo files on it:

Now setting emuiibo trough the OVL to use the new amiibo then go to Settings -> amiibo -> Register Owner and Nickname then "connect" the emuiibo's amiibo:

As you can see the Owner and the Mii are incorrect, but the Nickname is correct.

if you look on the recently created amiibo folder the mii-charinfo.bin file contains:

Now using Switch Settings, change the Owner and Mii for the emuiibo's amiibo:

After that, "disconnect" the emuiibo's amiibo and test the new settings, going again to Settings -> amiibo -> Register Owner and Nickname; and then "connect" the emuiibo's amiibo:

As can see on the next image, the Owner name is correct, but the Mii have a minor change:

The original set up Mii vs the actual Mii:

Comparison between the mii-charinfo.bin on the emuiibo's amiibo folder (SD:/emuiibo/amiibo/040655DF6EAF61_203306291648) left and the corresponding mii-charinfo.bin on SD:/emuiibo/miis/2/ folder dumped by the same emuiibo (I did that file compared with other miis dumped by other tools and are the same)

As you can see the processed mii-charinfo.bin by emuiibo when using settings applet, differs from the one dumped by emuiibo from console.

If I do replace the mii-charinfo.bin whit the one dumped the amiibo have the correct Mii.

For summary, seems there are two problems:

• When converting a binary dump from Thenaya (572 bytes) the Owner information is missed.
• When emuiibo MITM the settings applet the Mii information is changed.

Hope has been clear, let me know if I can do more testing.

Obviously I don't put here the binary files but if you need them, I can share with you.

Regards from Colombia

[XorTroll]

Thanks for such a detailed issue ;) Could you contact me in Discord so we can discuss this more directly?

[impeeza]

Normally I do not use discord but no problem will try to get you there 😁

[XorTroll]

Last commit fixes the 2nd issue, it was a typo I made with mii type conversions in the Rust nx libs The other one is going to be tougher too look into

[impeeza]

Hello there, Edited, remove my amiibo files, and started again, and now the miis are shown correctly, thanks a lot.

regards

[impeeza]

Thanks a lot for all your help. Closing the Issue.