Forum › MIFARE general topics and applications › Picking the right key for DESFire EV2 cards when UIDs are unreliable/unavailable › Reply To: Picking the right key for DESFire EV2 cards when UIDs are unreliable/unavailable
Hi Mario,
An Addendum. What I called as “unique diversification value” is usually the UID of the card or some other constant which is unique for the card in the field. There exists an application note from NXP where the key diversification is explained:
https://www.nxp.com/docs/en/application-note/AN10922.pdf
The TapLinx team
An Addendum. What I called as “unique diversification value” is usually the UID of the card or some other constant which is unique for the card in the field. There exists an application note from NXP where the key diversification is explained:
https://www.nxp.com/docs/en/application-note/AN10922.pdf
The TapLinx team
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