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How do I enable RRP on NEO II projects.

How do I enable RRP on NEO II projects.

Owned by Tzuling Lin (Unlicensed)
May 01, 2020

MC 3.1.1 supports RRP. This applies to all NEO II projects.

To enable RRP support, we need to modify tag DF811B , B1b5.


the following tags should be added to MC group.

DF8132 02 00 00 ; RRPrMinGrace  

DF8133 02 09 60 ; Maxium Relay Resistance Grace Period = RRPrMaxGrace 

DF8134 02 0F A0 ; Terminal Expected Transmission Time For Relay Resistance C-APDU 

DF8135 02 0F A0 ; RRP Expected RAPDU

DF8136 02 0F A0 ; Relay Resistance Accuracy Threshold = RRPrMaxGrace = ‘0FA0’


check  TVR (byte 5) to see if RRP was performed  and result.