Forum › MIFARE SDK › Problem authenticating against a new application to create a file (EV2 tag) › Reply To: Problem authenticating against a new application to create a file (EV2 tag)
Hello Diego,
Fine! After the personalizing of card you should change all keys. Please take in mind: before you can change a key you have to authenticate with the old key value to proof that you have the permission. Then you call the change key command where you write the new key value.
Regards,
The TapLinx team
Fine! After the personalizing of card you should change all keys. Please take in mind: before you can change a key you have to authenticate with the old key value to proof that you have the permission. Then you call the change key command where you write the new key value.
Regards,
The TapLinx team
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