Implement crypto method with Android Zebra RFID SDK to authenticate NXP DNA tags

Hi Everyone

I need to know how to implement the NXP Gen2V2 functions to authenticate a NXP DNA tags with key0 and key1 programmed. I already read the Developer´s Guide in the ZETI section but i want to know how to correctly use the Crypto Function that is included in the SDK  in the Gen2v2 class.