Forum › MIFARE SDK › Help with authentication on DESFireEV1 card › Reply To: Help with authentication on DESFireEV1 card
Hi Mats and Christian,
First of all: you should use TapLinx version 1.1. In version 1.0, we had a numerous issues and it is possible, that you run into a bug.
Which key you use for the authentication depends on the setting of the target file. If the file permission for reading is 0x05, you have to use key #5 for the authentication. If another files uses reading permission 0x06, you have to authenticate with key #6 before. You have a maximum of 14 keys per application which you can use.
You will find an example at the end of the post:
https://www.mifare.net/support/forum/topic/bug-desfire-file-access-error-when-application-directory-listing-disabled/
Regards,
The TapLinx Team
First of all: you should use TapLinx version 1.1. In version 1.0, we had a numerous issues and it is possible, that you run into a bug.
Which key you use for the authentication depends on the setting of the target file. If the file permission for reading is 0x05, you have to use key #5 for the authentication. If another files uses reading permission 0x06, you have to authenticate with key #6 before. You have a maximum of 14 keys per application which you can use.
You will find an example at the end of the post:
https://www.mifare.net/support/forum/topic/bug-desfire-file-access-error-when-application-directory-listing-disabled/
Regards,
The TapLinx Team
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