Category "emv"

ARPC Verification Failure on POS

We are successfully processing transactions and verifying ARQC data using KW command on a Thales 9000 HSM however the POS is failing to verify ARPC with ISO Err

Does host should increase ATC (Application Transaction Counter) (EMV tag 9F36) after unsuccessful transaction?

The host update the ATC after success transaction and the counter on the ICC and in the host DB is the same in this moment. But, does host should increase/upda