uint32_t nt1 = data.nonce2; // second tag challenge (nonce)
uint32_t nr1_enc = data.nr2; // second encrypted reader challenge
uint32_t ar1_enc = data.ar2; // second encrypted reader response
uint32_t nt1 = data.nonce2; // second tag challenge (nonce)
uint32_t nr1_enc = data.nr2; // second encrypted reader challenge
uint32_t ar1_enc = data.ar2; // second encrypted reader response