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Hi Nika,
The MIFARE Classic has no “format command” as it exists for instance for the MIFARE DESFire. You need to know the information of the sector trailer to get access to a sector. This is also true if you try to access to a MIFARE Classic on a Virtual Card.
If you are the card issuer you know the default keys of each sector and you can protect all sectors for unauthorized access by changing the keys.
Regards,
The TapLinx team
The MIFARE Classic has no “format command” as it exists for instance for the MIFARE DESFire. You need to know the information of the sector trailer to get access to a sector. This is also true if you try to access to a MIFARE Classic on a Virtual Card.
If you are the card issuer you know the default keys of each sector and you can protect all sectors for unauthorized access by changing the keys.
Regards,
The TapLinx team
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