Hacking DIY amiibo cards

izy · Dec 28, 2015

Doumekxkai said:
An Ntag 216 could be used insted of Ntag 215?
The tag 216 has more memory so the amiibo dump should fit without problems, and it's more cheap than the 215.
The extra bytes could be leaved as blank. I don't know if the console will say "corrupted data" or something if theres more data than expected. There are only asumptions.

maybe it requires the exact bytes no excess, like how the sky3ds works to act like a legit card.

Either way NFC215 tag is exactly 540 bytes, every dump i have seen from that site *looking at the archive now* they all all exactly 540bytes.

atm 215 tags are cheaper than 216 tags or cost the same when the deal is over on aliexpress

Doumekxkai · Dec 28, 2015

squee666 said:
maybe it requires the exact bytes no excess, like how the sky3ds works to act like a legit card.

Either way NFC215 tag is exactly 540 bytes, every dump i have seen from that site *looking at the archive now* they all all exactly 540bytes.

atm 215 tags are cheaper than 216 tags or cost the same when the deal is over on aliexpress

Yeah, my bad. The price is cheap on the 215 but buy a stack of 100 units it's a bit... excessive. If there was a little stacks could be cool.
For that i was asking about the 216 beacause you can find stacks of 6 units in a reasonable price.

Supercool330 · Dec 28, 2015

The only gap is the encryption. Right now, it isn't possible to encrypt the dump unless you somehow track down the Amiibo crypto key (which I haven't seen anywhere), or you get an API for amiitool (which isn't a great solution as you are then dependent on that API). Ideally, we would have a way the key (with some thinly veiled distribution method like an illegal prime or key generator ALA MakeKeyBin), in which case it would be pretty easy to build an Android app that would let you just use any NTAG215 as an Amiibo.

piratesephiroth · Dec 28, 2015

Supercool330 said:
The only gap is the encryption. Right now, it isn't possible to encrypt the dump unless you somehow track down the Amiibo crypto key (which I haven't seen anywhere), or you get an API for amiitool (which isn't a great solution as you are then dependent on that API). Ideally, we would have a way the key (with some thinly veiled distribution method like an illegal prime or key generator ALA MakeKeyBin), in which case it would be pretty easy to build an Android app that would let you just use any NTAG215 as an Amiibo.

yeah it's basically a useless idea right now

nolimits59 · Dec 28, 2015

_Tim_ said:
- compatible software to write an amiibo dump to a blank NTAG215 tag (I could not find any so wrote my own)

Well, that's what stop me to try your method :x, why not upload your soft ?

piratesephiroth · Dec 28, 2015

nolimits59 said:
Well, that's what stop me to try your method :x, why not upload your soft ?

So you can encrypt and decryt amiibos but don't have a sofwtware to write the data to the nfc tags?

nolimits59 · Dec 28, 2015

piratesephiroth said:
So you can encrypt and decryt amiibos but don't have a sofwtware to write the data to the nfc tags?

Well i saw there is tools to decrypt/enc, didn't made a full search atm, but still, this is the only steps the OP don't know and i don't know either so x).

Supercool330 · Dec 28, 2015

There are tools to encrypt and decrypt, but the key to do so isn't publicly available.

Khar00f · Dec 28, 2015

Wouldn't it technically be possible to hack the amiiqo Android app to accept any tag since that's what it does except it accepts only amiiqo?

Bug_Checker_ · Dec 28, 2015

https://gbatemp.net/threads/amiibo-decryption-service.397092/

fiveighteen · Dec 28, 2015

Bug_Checker_ said:
https://gbatemp.net/threads/amiibo-decryption-service.397092/

Still need to figure out how to encrypt though.

_Tim_ · Dec 28, 2015

Khar00f said:
Wouldn't it technically be possible to hack the amiiqo Android app to accept any tag since that's what it does except it accepts only amiiqo?

No.

Doumekxkai said:
An Ntag 216 could be used insted of Ntag 215?

No.

squee666 said:
Do all the Blank tags have the Same UID? was thinking cause they a batch,

No.

zezzo · Dec 28, 2015

_Tim_ said:
No.

No.

No.

COULD YOU EXPLAIN IT?

_Tim_ · Dec 28, 2015

zezzo said:
COULD YOU EXPLAIN IT?

DEFINE "IT"

piratesephiroth · Dec 28, 2015

_Tim_ said:
DEFINE "IT"

So you use that amiibo decryption service to encrypt your files?

_Tim_ · Dec 28, 2015

piratesephiroth said:
So you use that amiibo decryption service to encrypt your files?

No, I used a modified version of amiitool to decrypt/encrypt the amiibo data.

piratesephiroth · Dec 28, 2015

_Tim_ said:
No, I used a modified version of amiitool to decrypt/encrypt the amiibo data.

I see. So you have the keys.

OctopusRift · Dec 28, 2015

_Tim_ said:
Ah, I see that you found the keys too, congrats

Thanks m8! Now I just need to figure out how to write to a 203 tag lmao... which is the only NFC tag I have

izy · Dec 28, 2015

Care to share the tag writer @_Tim_ you said you used a custom one made also what reader/writer you using or does your program work with any generic

Bug_Checker_ · Dec 28, 2015

You can lead a horse to water (but if you don't say "here horsey, do you see the water? " It is pretty much useless.)

Here is some more info:
https://translate.google.com/transl...m/threads/amiibo-nfc-write-key-generator.632/

Hacking DIY amiibo cards

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