Forum › MIFARE SmartCard IC`s › MIFARE DESFire › Mifare DESFire EV1 problem › Re: Mifare DESFire EV1 problem
As I have already mentioned, the problem occurs at one of our customers. They have thousend of cards and a lot of readers at diffent locations. I can not, examine at the time the problem if it occurs.
If the problem occurs at customer side, the change the card.
After 20 ... 30 Minutes they reuse the changed card (if the card has 'stop sleeping').
I think the problem is related to: https://www.bsi.bund.de/SharedDocs/Downloads/DE/BSI/Zertifizierung/Reporte04/0487b_pdf.pdf?__blob=publicationFile
Page 34 ...
If the problem occurs at customer side, the change the card.
After 20 ... 30 Minutes they reuse the changed card (if the card has 'stop sleeping').
I think the problem is related to: https://www.bsi.bund.de/SharedDocs/Downloads/DE/BSI/Zertifizierung/Reporte04/0487b_pdf.pdf?__blob=publicationFile
Page 34 ...
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