Emulator — Emv

def gpo(self): # Return AFL + AIP return [0x80, 0x0C, 0x78, 0x00, 0x00, 0x00, 0x90, 0x00] cardtype = AnyCardType() cardrequest = CardRequest(timeout=1, cardtype=cardtype) cardservice = cardrequest.waitforcard() cardservice.connection.addObserver(EMVCardEmulator()) cardservice.connection.connect() 💡 For full EMV compliance, implement all mandatory data objects per EMV Book 3/4. 7. Testing Your EMV Emulator Use these tools as “real terminal” or “real card” to validate:

def dispatch_apdu(self, apdu): cla, ins, p1, p2, lc = apdu[:5] if cla == 0x00 and ins == 0xA4: # SELECT return self.select(apdu) elif cla == 0x80 and ins == 0x50: # GET PROCESSING OPTIONS return self.gpo() # ... handle READ RECORD, GENERATE AC, etc. return [0x6D, 0x00] # unsupported instruction emv emulator

def select(self, apdu): # Return FCI for 1PAY.SYS.DDF01 or specific AID return [0x6A, 0x82] # not found placeholder def gpo(self): # Return AFL + AIP return