Diferentiate MIFARE Plus and DESFire

[Diego Valladolid]

Hi there,

I am trying to identify some type of cards that my application will support so that I can choose the right module (phalMfc , phalMfp , etc.) of the NXP NFC Reader library. I am following the recomendations provided in AN10833 and AN10834. So far so good, but I am not sure what would be the best way to distinguish between MIFARE Plus and DESFire.

Some ideas come to my mind:
- Use the command GetVersion (

phalMfdf_GetVersion

). If the result is valid I suppose the card is a DESFire if not a Plus type.
- Try to authenticate in SL3 (

phalMfp_AuthenticateSL3

). Depending on the result try to differenciate between both types.

Any advice or suggestion is really appreciated.

Thanks in advance,
Diego Valladolid.

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[gpagliaroli]

Hi Diego,

My advice is that you check the Historicals Bytes in the ATS, after running the ActivateCard. They are unique for each type of card.

regards,
Germán.

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