Reply To: Desfire AID

Forum MIFARE general topics and applications Desfire AID Reply To: Desfire AID

Re: Desfire AID

20. March 2017 at 11:47
Hello Filip,

You have to create an “application” (which is a bundle or a directory structure) on the MIFARE DESFire. An application has a number, the AID which has three bytes. It may exist some AIDs on the card. But you can create your own AID, because the DESFire is multi-application card. It is clear that you cannot use already used AIDs or the AID = 000000.

The card issuer (who has the PICC Master Key) is able to lock the card which makes it impossible to create your own AID. But this is an option and is recommended not to lock the card for other AIDs.

The TapLinx team

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