Reply To: DESFire EV1 Reset to factory default

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Re: DESFire EV1 Reset to factory default

10. May 2017 at 10:43
Thank you. I noticed that. The formatting works as I can verify that the cards contents is empty.

Can the card encryption type be set back to DES from AES?

The datasheet doesn't appear to be very clear on this.

I found DES to AES, DES to DES, AES to AES but nothing on AES to DES.

Or if has has been changed to AES will it be no longer possible to revert back to DES when trying to restore back to factory state?

Thank you for your time and effort.
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