Mifare Desfire EV1 Authentication

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-> 5AF4013D
<- 00 /*Success*/
-> AA01
<- AFA8394ED57A5E83106B4EE72FD2BB0CC4

How to proceed from here?

I have been struggling about a week with this. I can select app from the card and get that first response with the 0xAA ("AFA8394ED57A5E83106B4EE72FD2BB0CC4" equivalent) but what to do after that?

Do i need to encrypt or decrypt the response with my App_auth_key (16bit) or what and then send it to the card?

Encryption which I use is AES.

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