Forum › MIFARE general topics and applications › Identifying mifare card in wallet application › Reply To: Identifying mifare card in wallet application
Hi Hinko,
Yes, if an authentication with a wrong key will fail, no data is changed on the card. Changing of data (also a key value) needs a read and a write operation and this requires a valid authentication before.
The TapLinx team
Yes, if an authentication with a wrong key will fail, no data is changed on the card. Changing of data (also a key value) needs a read and a write operation and this requires a valid authentication before.
The TapLinx team
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