// // EMVTransactionManagerVas.m // MyBluetoothTest // // Created by Emmanuel Adeyemi on 1/13/16. // Copyright © 2016 Emmanuel Adeyemi. All rights reserved. // #import "EMVTransactionManagerVas.h" #import "PaypadKeyManager.h" #import "NSString+HexUtil.h" #import "PinpadHelper.h" #import "PurchaseResponse.h" @implementation EMVTransactionManagerVas{ BOOL online; int authResult; } #define TEST_EMV(title,function) \ if(!function){[self log:[NSString stringWithFormat:@"%@ failed: %@",title,error.localizedDescription]]; return;}; \ [self log:[NSString stringWithFormat:@"%@ succeeded\nEMV Status: %d",title,dtdev.emvLastStatus]]; #define TEST(title,function) \ if(!function){[self log:[NSString stringWithFormat:@"%@ failed: %@",title,error.localizedDescription]]; return;}; \ [self log:[NSString stringWithFormat:@"%@ succeeded",title]]; -(id)initWithDTDevices:(DTDevices *)dtdevices{ if(self){ dtdev = [DTDevices sharedDevice]; [dtdev addDelegate:self]; } // _requestMain = nil; self = [super init]; return self; } -(void) doEMVTransaction:(EMVRequest *)request{ NSError *error; NSString *str; _requestMain = request; // [logView setText:@""]; [PinpadHelper initScreen:dtdev]; // TEST(@"*** Init SmartCard module",[dtdev scInit:SLOT_MAIN error:&error]); TEST(@"*** Check SmartCard present",[dtdev scIsCardPresent:SLOT_MAIN error:&error]); NSData *atr=[dtdev scCardPowerOn:SLOT_MAIN error:&error]; TEST(@"*** Power on SmartCard",atr); [self log:hexToString(@"ATR",(uint8_t *)atr.bytes,atr.length)]; // This shows the please wait message on the PINPAD [PinpadHelper showWaiting:dtdev]; TEST_EMV(@"*** Init EMV Kernel",[dtdev emvInitialise:&error]); _response = [[EMVResponse alloc] init]; // [self cryptoTest]; [self emvSetString:TAG_ADD_TERM_CAPABILITIES value:@"600080A000" description:@"terminal capabilities"]; [self emvSetString:TAG_SERIAL_NUMBER value:@"12345678" description:@"serial number"]; [self emvSetString:TAG_TERMINAL_COUNTRY_CODE value:@"0566" description:@"terminal country code"]; [self emvSetString:TAG_TERMINAL_TYPE value:@"22" description:@"terminal type"]; [self emvSetString:TAG_TERMINAL_CAPABILITIES value:@"E0F8C8" description:@"terminal capabilities"]; NSMutableArray *apps=[[NSMutableArray alloc] init]; [apps addObject:createApp(@"A0 00 00 00 03 10 10", @"VISA CR/DB", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 03 20 10", @"VISA ELECTRON", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 04 10 10", @"MASTERCARD CR/DB", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 04 30 60", @"MAESTRO", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 04 99 99", @"MASTERCARD", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 03 40 10", @"VISA", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 03 50 10", @"VISA", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 04 20 10", @"MASTERCARD", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 04 30 10", @"MASTERCARD", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 04 40 10", @"MASTERCARD", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 04 50 10", @"MASTERCARD", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 03 20 20", @"V PAY", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 03 80 10", @"VISA PLUS", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 03 30 10", @"VISA INTERLINK", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 04 60 00", @"CIRRUS", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 25 01 00", @"AMERICAN EXPRESS", MATCH_PARTIAL_VISA)]; [apps addObject:createApp(@"A0 00 00 00 25 00 00", @"AMERICAN EXPRESS", MATCH_PARTIAL_VISA)]; [apps addObject:createApp(@"A0 00 00 00 65 10 10", @"JCB", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 10 30 30", @"UNKNOWN", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 99 90 90", @"UNKNOWN", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 05 00 01", @"MAESTRO UK", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 05 00 02", @"UK SOLO", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 01 52 30 10", @"DISCOVER", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 29 10 10", @"LINK ATM NETWORK", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 01 21 10 10", @"DANKORT", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 01 41 00 01", @"CoGeBan", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 00 42 10 10", @"CB CARD", MATCH_FULL)]; [apps addObject:createApp(@"A0 00 00 03 71 00 01", @"VERSE", MATCH_PARTIAL_VISA)]; // This was added to match verve card TEST_EMV(@"*** Load EMV application list",[dtdev emvLoadAppList:apps selectionMethod:SELECTION_PSE includeBlockedAIDs:FALSE error:&error]); BOOL confirmationRequired; NSArray *commonApps=[dtdev emvGetCommonAppList:&confirmationRequired error:&error]; TEST_EMV(@"*** Get common application list",commonApps); for(int i=0;i0) { DTEMVApplication *app=[commonApps objectAtIndex:0]; TEST_EMV(@"*** Initial application processing",[dtdev emvInitialAppProcessing:app.aid error:&error]); TEST_EMV(@"*** Read application data",[dtdev emvReadAppData:nil error:&error]); str=[self emvGetString:TAG_APP_VERSION_NUMBER description:@"application number"]; } str=[self emvGetString:TAG_ICC_APP_VERSION_NUMBER description:@"application icc number"]; str=[self emvGetString:TAG_LANGUAGE_PREFERENCE description:@"language preference"]; str=[self emvGetString:TAG_ISSUER_CODE_INDEX description:@"issuer code index"]; /////////////////////////////////////////////////////////////////////// // TRANSACTION DATA PROCESSING /////////////////////////////////////////////////////////////////////// str=[self emvGetString:TAG_EFFECTIVE_DATE description:@"effective date"]; str=[self emvGetString:TAG_EXPIRY_DATE description:@"expiry date"]; [[NSUserDefaults standardUserDefaults] setObject:str forKey:@"MASKED_PAN"]; // Tags with sensitive data str=[self emvGetString:TAG_PAN description:@"pan"]; // This is used in storing the maskedPan [[NSUserDefaults standardUserDefaults] setObject:maskedPan(str) forKey:@"MASKED_PAN"]; str = [self readTagAsString:TAG_PAN]; NSString *pan = str; if([[str substringFromIndex:[str length] - 1] isEqualToString:@"F"]){ pan = [str substringToIndex:[str length] - 1]; } _cardData = [[EmvCardData alloc] init]; // This prints out the pan in plain NSLog(@"PAN: %@",pan); [_response setPan:pan]; NSData *panData = [dtdev emvGetDataAsBinary:TAG_PAN error:nil]; [_cardData setPan:panData]; str=[self emvGetString:TAG_PAN_SEQUENCE_NUMBER description:@"pan sequence number"]; // This gets the card pan sequence no in clear str = [self readTagAsString:TAG_PAN_SEQUENCE_NUMBER]; [_cardData setCardSequenceNo:str]; str=[self emvGetString:TAG_TRACK2_EQUIVALENT_DATA description:@"track 2 equivalent data"]; str = [self readTagAsString:TAG_TRACK2_EQUIVALENT_DATA]; [_cardData setTrack2:str]; if([[str substringFromIndex:[str length] - 1] isEqualToString:@"F"]){ track2Data = [str substringToIndex:[str length] - 1]; } str=[self emvGetString:TAG_ISSUER_COUNTRY_CODE description:@"issuer country code"]; str=[self emvGetString:TAG_APP_USAGE_CONTROL description:@"app usage control"]; [self log:@"\nSet EMV Tags"]; [self emvSetString:TAG_TERM_ACTION_ONLINE value:@"DC4004F800" description:@"terminal action online"]; [self emvSetString:TAG_TERM_ACTION_DENIAL value:@"0010000000" description:@"terminal action denial"]; [self emvSetString:TAG_TERM_ACTION_DEFAULT value:@"DC4000A800" description:@"terminal action default"]; [self emvSetString:TAG_DEFAULT_DDOL value:@"9F3704" description:@"default ddol"]; [self emvSetString:TAG_DEFAULT_TDOL value:@"9F3704" description:@"default tdol"]; [self emvSetString:TAG_TRANSACTION_TYPE value:@"00" description:@"transaction type"]; NSString *transactionAmount = [NSString stringWithFormat:@"%012lu",(unsigned long)[_requestMain getMinorAmount]]; [self emvSetString:TAG_AMOUNT_AUTHORISED_NUM value:transactionAmount description:@"amount authorized numeric"]; [self emvSetString:TAG_AMOUNT_OTHER_NUM value:[NSString stringWithFormat:@"%012lu",(unsigned long)[_requestMain getOtherAmount]] description:@"amount authorized numeric"]; [self emvSetString:TAG_AMOUNT_AUTHORISED_BINARY value:@"000007D0" description:@"amount authorized binary"]; [self emvSetString:TAG_TRANSACTION_CURR_CODE value:@"0566" description:@"currency code"]; // pinpad.emvSetDataAsString(EMVTags.TAG_ACCOUNT_TYPE, "???"); throwOnEMVError(pinpad); //postLog("Set bypass mode\n"); //pinpad.emvSetBypassMode(Pinpad.EMV_BYPASS_CURRENT_METHOD_MODE); throwOnEMVError(pinpad); [self log:@"\nAuthentication"]; TEST_EMV(@"EMV Authentication", [dtdev emvAuthentication:false error:&error]); [self log:@"\nProcess restrictions"]; TEST_EMV(@"Process restrictions", [dtdev emvProcessRestrictions:&error]); [self log:@"\nSet EMV tags"]; [self emvSetString:TAG_RISK_AMOUNT value:@"00000000" description:@"risk amount"]; [self emvSetString:TAG_FLOOR_LIMIT_CURRENCY value:@"0566" description:@"floor limit currency"]; [self emvSetString:TAG_TERMINAL_FLOOR_LIMIT value:@"00000000" description:@"floor limit"]; [self emvSetString:TAG_THRESHOLD_VALUE value:@"00000000" description:@"threshold value"]; [self emvSetString:TAG_TARGET_PERCENTAGE value:@"20" description:@"target percentage"]; [self emvSetString:TAG_MAX_TARGET_PERCENTAGE value:@"80" description:@"max target percentage"]; [self log:@"\nTerminal risk"]; TEST_EMV(@"Terminal risk", [dtdev emvTerminalRisk:false error:&error]); str=[self emvGetString:TAG_TVR description:@"terminal verification result"]; NSData *encrypted; // encrypted=[dtdev emvGetTagsEncrypted3DES:stringToData(@"5F 34") keyID:2 uniqueID:0x12345678 error:&error]; // encrypted=[dtdev emvGetTagsEncrypted3DES:stringToData(@"57") keyID:2 uniqueID:0x12345678 error:&error]; // if([dtdev ppadPINEntry:0 startY:2 timeout:30 echoChar:'*' message:[NSString stringWithFormat:@"Amount: %.2f\nEnter PIN:",1.99] error:&error]) // { // [self log:@"\nPIN entry complete"]; // // NSString *pin=[self ppadGetPINBlockUsingDUKPT:&error]; // // NSLog(@"Encrypted Pin %@ ",pin); // } [self processPINEntry:request]; } -(void) processPINEntry:(EMVRequest *) request{ NSError *error; NSString *str; //_requestMain = request; NSLog(@"Amount %lu",(unsigned long)request.getMinorAmount); bool completed = false; do { [self log:@"\nGet authentication method"]; TEST_EMV(@"Get authentication method", [dtdev emvGetAuthenticationMethod:&error]); // This shows the please wait message on the PINPAD [PinpadHelper showWaiting:dtdev]; if (dtdev.emvLastStatus == EMV_AUTH_COMPLETED) { [self log:@"\n EMV Status: AUTH COMPLETED"]; completed = true; } else { authResult = -1; NSString *amount = [[NSUserDefaults standardUserDefaults] objectForKey:AMOUNT]; if (dtdev.emvLastStatus == EMV_ONLINE_PIN) { [self log:@"\n EMV Status: ONLINE PIN"]; [self log:@"\nEnter PIN"]; online = TRUE; NSMutableDictionary *dict = [NSMutableDictionary dictionary]; // [dict setValue:@"initialization" forKey:@"operation"]; [dict setValue:@"payment" forKey:@"operation"]; [dict setValue:@"enterPin" forKey:@"status"]; [PaypadFacade sendNotification:dict wait:YES error:NO]; // This is called to enter pin to the pinpad [PinpadHelper enterPinASync:dtdev amount:amount]; return; } else if (dtdev.emvLastStatus == EMV_OFFLINE_PIN_CIPHERED || dtdev.emvLastStatus == EMV_OFFLINE_PIN_PLAIN) { online = false; [self log:@"\n EMV Status: OFFLINE PIN (CIPHERED/PLAIN)"]; [self log:@"\nEnter PIN"]; NSMutableDictionary *dict = [NSMutableDictionary dictionary]; // [dict setValue:@"initialization" forKey:@"operation"]; [dict setValue:@"payment" forKey:@"operation"]; [dict setValue:@"enterPin" forKey:@"status"]; [PaypadFacade sendNotification:dict wait:YES error:NO]; // This tells request for the enter pin [PinpadHelper enterPinASync:dtdev amount:amount]; return ; } } } while (!completed); [self log:@"\nRead EMV tags"]; str=[self emvGetString:TAG_CH_VERIF_METHOD_RESULT description:@"TAG_CH_VERIF_METHOD_RESULT"]; // This set the cryptogram verification result [_response setCvmResult:str]; str=[self emvGetString:TAG_TVR description:@"terminal verification result"]; /////////////////////////////////////////////////////////////////////// // APPLICATION TRANSACTION DECISION /////////////////////////////////////////////////////////////////////// // If card is into hot list // pinpad.emvUpdateTVR(...); throwOnEMVError(pinpad); TEST_EMV(@"Set authentication result", [dtdev emvMakeTransactionDecision:&error]); int emvStatus = dtdev.emvLastStatus; int reqCertificate = 0; switch (emvStatus) { case EMV_TRANSACTION_APPROVED: { [self log:@"\n EMV Status: TRANSACTION APPROVED"]; bool OFFLINE_POSIBLE = true; if (OFFLINE_POSIBLE) { [self emvSetString:TAG_AUTH_RESP_CODE value:@"Y1" description:@"auth _response code"]; reqCertificate = CERTIFICATE_TC; } else { reqCertificate = CERTIFICATE_ARQC; } break; } case EMV_TRANSACTION_DENIED: { [self log:@"\n EMV Status: TRANSACTION DENIED"]; [self emvSetString:TAG_AUTH_RESP_CODE value:@"Z1" description:@"auth _response code"]; reqCertificate = CERTIFICATE_AAC; break; } case EMV_TRANSACTION_ONLINE: { [self log:@"\n EMV Status: TRANSACTION ONLINE"]; reqCertificate = CERTIFICATE_ARQC; break; } default: { } } [self log:@"\nGenerate certificate (CDOL 1)"]; TEST_EMV(@"Generate certificate", [dtdev emvGenerateCertificate:reqCertificate risk:CDOL_1 error:&error]); str=[self emvGetString:TAG_CRYPT_INFO_DATA description:@"TAG_CRYPT_INFO_DATA"]; // This sets the cryptogram information data [_response setCryptogramInformationData:str]; unsigned int cryptogramInfo; NSScanner *scanner = [NSScanner scannerWithString:str]; [scanner scanHexInt:&cryptogramInfo]; str=[self emvGetString:TAG_PAN description:@"pan"]; str = [self readTagAsString:TAG_PAN]; NSString *pan = str; if([[str substringFromIndex:[str length] - 1] isEqualToString:@"F"]){ pan = [str substringToIndex:[str length] - 1]; } _cardData = [[EmvCardData alloc] init]; // This prints out the pan in plain NSLog(@"PAN: %@",pan); [_response setPan:pan]; NSData *panData = [dtdev emvGetDataAsBinary:TAG_PAN error:nil]; [_cardData setPan:panData]; str=[self emvGetString:TAG_PAN_SEQUENCE_NUMBER description:@"pan sequence number"]; // This gets the card pan sequence no in clear str = [self readTagAsString:TAG_PAN_SEQUENCE_NUMBER]; [_cardData setCardSequenceNo:str]; str=[self emvGetString:TAG_TRACK2_EQUIVALENT_DATA description:@"track 2 equivalent data"]; str = [self readTagAsString:TAG_TRACK2_EQUIVALENT_DATA]; [_cardData setTrack2:str]; track2Data = str; if([[str substringFromIndex:[str length] - 1] isEqualToString:@"F"]){ track2Data = [str substringToIndex:[str length] - 1]; } str = [self emvGetString:TAG_APP_LABEL description:@"TAG_APP_LABEL"]; [[NSUserDefaults standardUserDefaults] setObject:str forKey:@"TENDER_TYPE"]; [_cardData setAppLabel:str]; str = [self emvGetString:TAG_EXPIRY_DATE description:@"TAG_EXPIRY_DATE"]; [_cardData setCardExpiryDate:str]; str = [self emvGetString:TAG_CARDHOLDER_NAME description:@"TAG_CARDHOLDER_NAME"]; [[NSUserDefaults standardUserDefaults] setValue:str forKey:@"CARD_HOLDER"]; [_cardData setCardHolderName:str]; str = [self emvGetString:0x4F description:@"APP_ID"]; [[NSUserDefaults standardUserDefaults] setValue:str forKey:@"AID"]; // This sets the application ID [_cardData setAID:str]; str=[self emvGetString:TAG_TRANSACTION_DATE description:@"TAG_TRANSACTION_DATE"]; [_response setTransDate:str]; str=[self emvGetString:TAG_ATC description:@"TAG_ATC"]; [_response setATC:str]; str=[self emvGetString:TAG_APP_CRYPTOGRAM description:@"TAG_APP_CRYPTOGRAM"]; // This sets the cryptogram [_response setCryptogram:str]; str=[self emvGetString:TAG_ISSUER_APP_DAT description:@"TAG_ISSUER_APP_DAT"]; [_response setIAD:str]; str=[self emvGetString:TAG_TVR description:@"TAG_TVR"]; // This sets the TVR [_response setTVR:str]; str=[self emvGetString:TAG_TSI description:@"TAG_TSI"]; [_response setTSI:str]; str=[self emvGetString:TAG_AIP description:@"TAG_AIP"]; [_response setAIP:str]; str=[self emvGetString:TAG_UNPREDICTABLE_NUMBER description:@"TAG_UNPREDICTABLE_NUMBER"]; [_response setUnpredictableNo:str]; str=[self emvGetString:TAG_AMOUNT_AUTHORISED_NUM description:@"TAG_AMOUNT_AUTHORISED_NUM"]; [_response setAmountAuthorised:str]; str=[self emvGetString:TAG_AMOUNT_OTHER_NUM description:@"TAG_AMOUNT_OTHER_NUM"]; [_response setAmountOther:str]; str=[self emvGetString:TAG_APP_VERSION_NUMBER description:@"TAG_APP_VERSION_NUMBER"]; [_response setAppVersionName:str]; str=[self emvGetString:TAG_PAN_SEQUENCE_NUMBER description:@"TAG_PAN_SEQUENCE_NUMBER"]; [_response setPanSequenceNo:str]; str=[self emvGetString:TAG_TRANSACTION_TYPE description:@"TAG_TRANSACTION_TYPE"]; [_response setTransactionType:str]; str=[self emvGetString:TAG_TERMINAL_CAPABILITIES description:@"TAG_TERMINAL_CAPABILITIES"]; [_response setTerminalCapabilities:str]; str=[self emvGetString:TAG_TERMINAL_TYPE description:@"TAG_TERMINAL_TYPE"]; [_response setTerminalType:str]; str=[self emvGetString:TAG_TERMINAL_COUNTRY_CODE description:@"TAG_TERMINAL_COUNTRY_CODE"]; [_response setTerminalCountryCode:str]; // str=[self emvGetString:TAG_TERMINAL_COUNTRY_CODE description:@"TAG_TERMINAL_COUNTRY_CODE"]; // // [_response setTerminalCountryCode:str]; str=[self emvGetString:TAG_TRANSACTION_CURR_CODE description:@"TAG_TRANSACTION_CURR_CODE"]; [_response setTransactionCurrencyCode:str]; str=[self emvGetString:TAG_TRANSACTION_CATEGORY_CODE description:@"TAG_TRANSACTION_CATEGORY_CODE"]; [_response setTransactionCategoryCode:str]; str=[self emvGetString:TAG_TRANSACTION_CATEGORY_CODE description:@"TAG_TRANSACTION_CATEGORY_CODE"]; [_response setTransactionCategoryCode:str]; // This sets the card data in the _response variable [_response setEmvCardData:_cardData]; // Check cryptogram information data after certificate generation. switch ((cryptogramInfo >> 6)) { case CERTIFICATE_AAC: { [self displayAlert:@"Error" message:@"Transaction is denied by kernel"]; return; } case CERTIFICATE_TC: { if (reqCertificate < CERTIFICATE_TC) { [self displayAlert:@"Error" message:@"Transaction is denied (AC requested < TC)"]; } else { [self displayAlert:@"Success" message:@"Transaction is offline authorized"]; } return; break; } case CERTIFICATE_ARQC: { if (reqCertificate < CERTIFICATE_ARQC) { [self displayAlert:@"Error" message:@"Transaction is denied (AC requested < ARQC)"]; return; } else { // Online processing [self processEMVOnlineTransaction]; } break; } default: { [self displayAlert:@"Error" message:@"Invalid certificate data"]; return; } } TEST_EMV(@"*** Deinit EMV Kernel",[dtdev emvDeinitialise:&error]); [PinpadHelper removeCard:dtdev]; [PinpadHelper initScreen:dtdev]; } /** This will be called to process the request online */ -(void) processEMVOnlineTransaction{ NSDate *date = [NSDate date]; NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"]; NSString *currentDate = [dateFormatter stringFromDate:date]; NSString *pan = [_response getPan]; NSString *accountType = [[NSUserDefaults standardUserDefaults] objectForKey:ACCOUNT_TYPE_FROM]; NSString *processingCode = [NSString stringWithFormat:@"00%@00",accountType]; NSString *transactionAmount = [NSString stringWithFormat:@"%012lu",(unsigned long)_requestMain.getMinorAmount]; // This checks if there is a value for the stan in the storage NSString *stan = [[NSUserDefaults standardUserDefaults] objectForKey:STAN_VAS]; if([stan length] == 0){ stan = @"000005"; } NSString *cardSequenceNo = [[_response getEmvCardData] getCardSequenceNo]; if(cardSequenceNo.length == 2){ cardSequenceNo = [NSString stringWithFormat:@"0%@",cardSequenceNo]; } stan = [NSString stringWithFormat:@"%06d",[stan intValue]]; long value = [stan intValue]; value += 1; // [[NSUserDefaults standardUserDefaults] setObject:[NSString stringWithFormat:@"%06ld",value] forKey:STAN_VAS]; NSString *rrn = [[NSUserDefaults standardUserDefaults] objectForKey:RRN_VAS]; // This checks if there is a value for the rrn in the storage if([rrn length] == 0){ rrn = [NSString stringWithFormat:@"%012lu",5L]; } rrn = [NSString stringWithFormat:@"%012lld",[rrn longLongValue]]; value = [rrn intValue]; value += 1; // [[NSUserDefaults standardUserDefaults] setObject:[NSString stringWithFormat:@"%012ld",value] forKey:RRN]; [dateFormatter setDateFormat:@"MM"]; NSString *month = [NSString stringWithFormat:@"%02d",[[dateFormatter stringFromDate:date] intValue]]; [dateFormatter setDateFormat:@"dd"]; NSString *day = [NSString stringWithFormat:@"%02d",[[dateFormatter stringFromDate:date] intValue]]; NSString *localTransactionDate = [NSString stringWithFormat:@"%@%@",month,day]; [dateFormatter setDateFormat:@"HHmmss"]; NSString *localTransactionTime = [dateFormatter stringFromDate:date]; NSString *transmissionDateTime = [NSString stringWithFormat:@"%@%@",localTransactionDate,localTransactionTime]; NSString *cardExpiryDate; // This ensures that the exp if([[_response.getEmvCardData getCardExpiryDate] length] == 4){ cardExpiryDate = [_response.getEmvCardData getCardExpiryDate]; }else{ cardExpiryDate = [[_response.getEmvCardData getCardExpiryDate] substringWithRange:NSMakeRange(0,4)]; } NSString *merchantType = [[NSUserDefaults standardUserDefaults] objectForKey:MERCHANT_TYPE_VAS]; NSString *cardAcceptorIdCode = [[NSUserDefaults standardUserDefaults] objectForKey:ACCEPTOR_ID_VAS]; NSString *cardAcceptorName = [[NSUserDefaults standardUserDefaults] objectForKey:ACCEPTOR_NAME_VAS]; NSString *terminalId = [[NSUserDefaults standardUserDefaults] objectForKey:TERMINAL_ID_VAS]; if([terminalId length] <= 0){ terminalId = @"2011225S"; } int index; if([track2Data containsString:@"D"]){ index = [track2Data rangeOfString:@"D"].location; }else{ index = [track2Data rangeOfString:@"="].location; } NSString *temp = [track2Data substringWithRange:NSMakeRange(index + 1, 7)]; NSString *serviceRestrictionCode = [temp substringFromIndex:4]; /* Data used for Reversal in case of timeout */ // String originaldataelements = String.format("%s%s%s%s%s", "0200", stan, // transmissionDateTime, "00000111129", "00000000000"); originalDataElements = [NSString stringWithFormat:@"%@%@%@%@%@", @"0200", stan, transmissionDateTime, @"00000111129", @"00000000000"]; replacementAmounts = [NSString stringWithFormat:@"%@%@%@%@", transactionAmount,transactionAmount,@"C00000000",@"C00000000"]; // replacementAmounts = String.format("%s%s%s%s", // transactionAmount, transactionAmount, "C00000000", "C00000000"); NSString *currencyCode = _requestMain.getTransactionCurrencyCode; NSString *securityRelatedInformation = @""; NSString *messageReasonCode = @""; NSString *paymentInformation = @""; PurchaseRequest *request = [[PurchaseRequest alloc] init]; [request setPan:pan]; [request setProcessingCode:processingCode]; [request setTransactionAmount:transactionAmount]; [request setTransmissionDateTime:transmissionDateTime]; [request setStan:stan]; [request setLocalTransactionDate:localTransactionDate]; [request setLocalTransactionTime:localTransactionTime]; [request setCardExpirationDate:cardExpiryDate]; [request setMerchantType:merchantType]; [request setPosEntryMode:POSENTRYMODE]; [request setCardSequenceNumber:cardSequenceNo]; [request setPosConditionCode:POSCONDITIONCODE]; [request setPosPinCaptureCode:POSPINCAPTURECODE]; [request setTransactionFee:TRANSACTIONFEE]; [request setAcquiringInstIdCode:ACQUIRINGINSTIDCODE]; [request setTrack2Data:track2Data]; [request setRetrievalReferenceNumber:rrn]; [request setTerminalId:terminalId]; [request setCardAcceptorIdCode:cardAcceptorIdCode]; [request setCardAcceptorNameLocation:cardAcceptorName]; [request setPinData:_response.pinData]; [request setCurrencyCode:currencyCode]; [request setIccData:[[self packICCDataJpos] stringByReplacingOccurrencesOfString:@" " withString:@""]]; [request setPosDataCode:POSDATACODE]; [request setServiceRestrictionCode:serviceRestrictionCode]; [request setSecurityRelatedInformation:securityRelatedInformation]; [request setAdditionalAmounts:_response.getAmountOther]; [request setMessageReasonCode:messageReasonCode]; [request setTransportData:TRANSPORT_DATA]; [request setPaymentInformation:paymentInformation]; [request setOriginalDataElements:originalDataElements]; // Specify if default processing is permited bool OFFLINE_PROCESSING =true; // Simulate communication failure bool COMMUNICATION_FAILURE =false; int emvStatus = 0; int emvReqCer = 0; NSError *error; // TODO: Build & transmit online request to issuer NSString *authData = nil; NSString *authCode = nil; NSString *responseCode = nil; NSString *responseMessage = nil; if(COMMUNICATION_FAILURE) { [self log:@"\n Connection failed"]; if(OFFLINE_PROCESSING) { [self log:@"\n Make default decision"]; TEST_EMV(@"Make default decision",[dtdev emvMakeDefaultDecision:&error]); switch (dtdev.emvLastStatus) { case EMV_TRANSACTION_APPROVED: { [self emvSetString:TAG_AUTH_RESP_CODE value:@"Y3" description:@"_response code"]; break; } case EMV_TRANSACTION_DENIED: { [self emvSetString:TAG_AUTH_RESP_CODE value:@"Z3" description:@"_response code"]; break; } default: { } } } else { [self emvSetString:TAG_AUTH_RESP_CODE value:@"Z3" description:@"_response code"]; emvStatus = EMV_TRANSACTION_DENIED; } } else { // Issuer authentication data is received. // pinpad.emvSetDataAsString(EMVTags.TAG_ISSUER_AUTH_DAT, "FDD6818EE93367463030"); throwOnEMVError(pinpad); // pinpad.emvAuthenticateIssuer(); throwOnEMVError(pinpad); // Script 71 is received // pinpad.emvSetDataAsBinary(EMVTags.TAG_ISSUER_SCRIPTS, ...); throwOnEMVError(pinpad); // pinpad.emvScriptProcessing(0x71); // Here we need to take decision from issuer host.. // This connects to Nibss to process the transaction PurchaseResponse *presponse = [NibssIsoProcessor process:request]; authData = [[NSUserDefaults standardUserDefaults] objectForKey:AUTH_DATA]; NSLog(@"AUTH DATA: %@", authData); if(authData.length > 0){ NSError *error; [dtdev emvSetDataAsBinary:TAG_ISSUER_AUTH_DAT data:[authData stringToData] error:&error]; if(error){ // NSLog(@"Error while updating issuer data %@",[error localizedDescription]); // return ; } [dtdev emvAuthenticateIssuer:&error]; if(error){ // NSLog(@"Error while updating issuer data %@",[error localizedDescription]); } [[NSUserDefaults standardUserDefaults] setObject:nil forKey:AUTH_DATA]; } NSString *script71 = [[NSUserDefaults standardUserDefaults] objectForKey:SCRIPT71]; NSLog(@"AUTH DATA: %@", authData); if(script71.length > 0){ NSError *error; [dtdev emvSetDataAsBinary:TAG_ISSUER_SCRIPTS data:[script71 hexStringToData] error:&error]; if(error){ // NSLog(@"Error while updating issuer data %@",[error localizedDescription]); // return ; } [dtdev emvScriptProcessing:0x71 error:&error]; if(error){ // NSLog(@"Error while updating issuer data %@",[error localizedDescription]); } [[NSUserDefaults standardUserDefaults] setObject:nil forKey:SCRIPT71]; } responseMessage = presponse.responseMessage; responseCode = [[NSUserDefaults standardUserDefaults] objectForKey:RESPONSE_CODE]; NSArray *messages = [responseMessage componentsSeparatedByString:@" "]; NSMutableString *messageToShow = [[NSMutableString alloc] init]; for (int i = 0; i < messages.count; i++) { NSString *tempStr = [messages objectAtIndex:i]; if( i >= 0 && tempStr.length >= 10 ) [messageToShow appendString:[NSString stringWithFormat:@" %@ \n",tempStr]]; else [messageToShow appendString:[NSString stringWithFormat:@" %@ ",tempStr]]; } // This is called to tidy up the transactions [[NSUserDefaults standardUserDefaults] setObject:@"XX" forKey:RESPONSE_CODE]; [[NSUserDefaults standardUserDefaults] setObject:@"unauthenticated" forKey:AUTH_CODE]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:AUTH_DATA]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:SCRIPT71]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:SCRIPT72]; NSString *maskedPan = [[NSUserDefaults standardUserDefaults] objectForKey:@"MASKED_PAN"]; NSString *chHolder = [[NSUserDefaults standardUserDefaults] objectForKey:@"CARD_HOLDER"]; NSString *aid = [[NSUserDefaults standardUserDefaults] objectForKey:@"AID"]; NSString *tender = [[NSUserDefaults standardUserDefaults] objectForKey:@"TENDER_TYPE"]; NSMutableDictionary *dict = [NSMutableDictionary dictionary]; // [dict setValue:@"initialization" forKey:@"operation"]; [dict setValue:@"payment" forKey:@"operation"]; [dict setValue:maskedPan forKey:@"pan"]; [dict setValue:chHolder forKey:@"cardholder"]; [dict setValue:[request getStan] forKey:@"stan"]; [dict setValue:[request getRetrievalReferenceNumber] forKey:@"rrn"]; [dict setValue:authCode forKey:@"auth"]; [dict setValue:cardExpiryDate forKey:@"expiry"]; [dict setValue:responseCode forKey:@"responsecode"]; [dict setValue:responseMessage forKey:@"responsemessage"]; [dict setValue:aid forKey:@"aid"]; [dict setValue:[request getCardSequenceNumber] forKey:@"sequenceno"]; [dict setValue:tender forKey:@"tendertype"]; [dict setValue:tender forKey:@"accounttype"]; [PaypadFacade sendNotification:dict wait:NO error:NO]; if([responseCode isEqualToString:@"00"]) [PinpadHelper showSuccessful:dtdev]; else [PinpadHelper showMessage:dtdev message:messageToShow]; // [PinpadHelper showMessage:dtdev message:@" TRANSACTION \n SUCCESSFUL"]; // // [PinpadHelper clearScreen:dtdev]; // // [PinpadHelper initScreen:dtdev]; // appendWarning(" Issuer host denied transaction\n"); // emvStatus = EMVStatusCodes.EMV_TRANSACTION_DENIED; [self log:@"\n Connection established"]; //TODO: Host approval procedure [self log:@"\n ....."]; [self log:@"\n Issuer host approve transaction"]; [self emvSetString:TAG_AUTH_RESP_CODE value:@"00" description:@"_response code"]; emvStatus = EMV_TRANSACTION_APPROVED; } switch (emvStatus) { case EMV_TRANSACTION_APPROVED: { [self log:@"\n Generate TC certificate (CDOL 2)"]; TEST_EMV(@"Generate certificate", [dtdev emvGenerateCertificate:CERTIFICATE_TC risk:CDOL_2 error:&error]); emvReqCer = CERTIFICATE_TC; break; } case EMV_TRANSACTION_DENIED: { [self log:@"\n Generate AAC certificate (CDOL 2)"]; TEST_EMV(@"Generate certificate", [dtdev emvGenerateCertificate:CERTIFICATE_AAC risk:CDOL_2 error:&error]); emvReqCer = CERTIFICATE_AAC; break; } default: { } } NSString *script72 = [[NSUserDefaults standardUserDefaults] objectForKey:SCRIPT72]; // if(script72.length > 0){ NSError *error; [dtdev emvSetDataAsBinary:TAG_ISSUER_SCRIPTS data:[script72 hexStringToData] error:&error]; if(error){ NSLog(@"Error while updating issuer data %@",[error localizedDescription]); // return ; } [dtdev emvScriptProcessing:0x71 error:&error]; if(error){ // NSLog(@"Error while updating issuer data %@",[error localizedDescription]); } } switch (dtdev.emvLastStatus) { case EMV_SUCCESS: break; case EMV_ABORT_TRANSACTION: case EMV_ERROR_AC_PROCESS: [self displayAlert:@"Error" message:[NSString stringWithFormat:@"Transaction aborted with status: %d",dtdev.emvLastStatus]]; return; case EMV_CDA_FAILED: [self displayAlert:@"Error" message:[NSString stringWithFormat:@"Transaction denied with status: %d",dtdev.emvLastStatus]]; return; default: [self displayAlert:@"Error" message:[NSString stringWithFormat:@"Transaction denied with status: %d",dtdev.emvLastStatus]]; return; } NSString *str=[self emvGetString:TAG_CRYPT_INFO_DATA description:@"TAG_CRYPT_INFO_DATA"]; unsigned int cryptogramInfo; NSScanner *scanner = [NSScanner scannerWithString:str]; [scanner scanHexInt:&cryptogramInfo]; str=[self emvGetString:TAG_ATC description:@"TAG_ATC"]; str=[self emvGetString:TAG_APP_CRYPTOGRAM description:@"TAG_APP_CRYPTOGRAM"]; str=[self emvGetString:TAG_ISSUER_APP_DAT description:@"TAG_ISSUER_APP_DAT"]; str=[self emvGetString:TAG_TVR description:@"TAG_TVR"]; str=[self emvGetString:TAG_TSI description:@"TAG_TVR"]; // Check cryptogram information data after certificate generation. switch ((cryptogramInfo >> 6)) { case CERTIFICATE_TC: { if (emvReqCer < CERTIFICATE_TC) { [self displayAlert:@"Error" message:@"Transaction is denied (AC requested < TC)"]; } else { [self displayAlert:@"Success" message:@"Transaction is offline authorized"]; break; } default: { [self displayAlert:@"Error" message:@"Transaction is denied"]; } } } } -(NSString *)emvGetString:(int)tag description:(NSString *)description { NSError *error; NSString *str; str=[dtdev emvGetDataAsString:tag error:&error]; if(!str) { [self log:[NSString stringWithFormat:@"*** Get %@ failed: %@",description,error.localizedDescription]]; return nil; } [self log:[NSString stringWithFormat:@"*** Get %@ succeeded\nEMV Status: %d",description,dtdev.emvLastStatus]]; [self log:[NSString stringWithFormat:@"Value: %@",str]]; return str; } -(void)log:(NSString *)text { NSLog(@"%@",text); //logView.text=[logView.text stringByAppendingFormat:@"\n%@",text]; } -(void)PINEntryCompleteWithError:(NSError *)error; { if(error){ NSLog(@"Error %@",[error localizedDescription]); [self endOperation]; NSMutableDictionary *dict = [NSMutableDictionary dictionary]; // [dict setValue:@"initialization" forKey:@"operation"]; [dict setValue:@"payment" forKey:@"operation"]; [dict setValue:@"error" forKey:@"status"]; [PaypadFacade sendNotification:dict wait:NO error:YES]; [PinpadHelper clearScreen:dtdev]; [PinpadHelper initScreen:dtdev]; return ; }else{ authResult == -1; if(online == TRUE){ NSLog(@"This transaction is going online"); NSString *pinData = [self pinDecryptMasterSession:&error]; // This sets the PIN Data for online transaction [_response setPinData:pinData]; NSLog(@"This is pin block %@",pinData); authResult = AUTH_RESULT_SUCCESS; }else{ NSLog(@"This is an offline transaction"); if (authResult == -1) { [self log:@"\nVerify PIN offline"]; TEST_EMV(@"Verify PIN Offline", [dtdev emvVerifyPinOffline:&error]); if (dtdev.emvLastStatus == EMV_SUCCESS) { authResult = AUTH_RESULT_SUCCESS; [PinpadHelper showValidPin:dtdev]; } else { authResult = AUTH_RESULT_FAILURE; [PinpadHelper showInvalidPin:dtdev]; } } NSLog(@"This transaction is offline"); } TEST_EMV(@"Set authentication result", [dtdev emvSetAuthenticationResult:authResult error:&error]); NSMutableDictionary *dict = [NSMutableDictionary dictionary]; // [dict setValue:@"initialization" forKey:@"operation"]; [dict setValue:@"payment" forKey:@"operation"]; [dict setValue:@"processing" forKey:@"status"]; [PaypadFacade sendNotification:dict wait:YES error:NO]; [PinpadHelper clearScreen:dtdev]; [PinpadHelper initScreen:dtdev]; [self processPINEntry:_requestMain]; return ; } // [self endOperation]; } -(void)endOperation{ NSLog(@"This is the end of operation"); [PinpadHelper clearScreen:dtdev]; } -(void)displayAlert:(NSString *) title message:(NSString *) message { UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title message:message delegate:nil cancelButtonTitle:@"Ok" otherButtonTitles:nil, nil]; [alert show]; NSLog(@"%@ : %@",title, message); } -(bool)emvSetString:(int)tag value:(NSString *)value description:(NSString *)description { NSError *error; bool r=[dtdev emvSetDataAsString:tag data:value error:&error]; if(!r) { [self log:[NSString stringWithFormat:@"*** Set %@ failed: %@",description,error.localizedDescription]]; return nil; } [self log:[NSString stringWithFormat:@"*** Set %@ succeeded\nEMV Status: %d",description,dtdev.emvLastStatus]]; return r; } static NSString *hexToString(NSString * label, const void *data, size_t length) { const char HEX[]="0123456789ABCDEF"; char s[2000]; for(int i=0;i>4]; s[i*3+1]=HEX[((uint8_t *)data)[i]&0x0f]; s[i*3+2]=' '; } s[length*3]=0; if(label) return [NSString stringWithFormat:@"%@(%d): %s",label,(int)length,s]; else return [NSString stringWithCString:s encoding:NSASCIIStringEncoding]; } static DTEMVApplication *createApp(NSString *aid, NSString *name, int match) { DTEMVApplication *r= [[DTEMVApplication alloc] init]; r.aid=stringToData(aid); r.label=[name copy]; r.matchCriteria=match; return r; } static NSData *stringToData(NSString *text) { NSMutableData *d=[NSMutableData data]; text=[text lowercaseString]; int count=0; uint8_t b=0; for(int i=0;i'9' && c<'a') || c>'f') { b=0; count=0; continue; } if(c>='0' && c<='9') b|=c-'0'; else b|=c-'a'+10; count++; if(count==2) { [d appendBytes:&b length:1]; b=0; count=0; } } return d; } -(NSData *)getTagsEncryptedDUKPT:(NSData *)tags { NSError *error; uint8_t decrypted[512]; NSData *dukptPacket=[dtdev emvGetTagsEncryptedDUKPT:tags keyID:0 uniqueID:0x12345678 error:&error]; if(dukptPacket) { //get the KSN, last 10 bytes NSData *ksn=[dukptPacket subdataWithRange:NSMakeRange(dukptPacket.length-10, 10)]; // NSData *ksn = [dtdev ppadGetDUKPTKeyKSN:0 error:nil]; //calculate the IPEK based on the BDK and serial number //insert your own BDK here and calculate the IPEK, for the demo we are using predefined BDK NSString *bdk = [[NSUserDefaults standardUserDefaults] objectForKey:BDK_LOCATION]; NSData *bdkData = [bdk hexStringToData]; uint8_t ipek[16] ; //the device specific ipek, will be derived from the BDK //derive ipek from bdk // dukptDeriveIPEK([bdkData bytes], ksn.bytes, ipek); NSString *dataKeyString = [[NSUserDefaults standardUserDefaults] objectForKey:DATA_KEY_LOCATION]; // [hex] //generate the data key uint8_t dataKey[16]; dukptCalculateDataKey(ksn.bytes, [bdkData bytes], dataKey); //decrypt using it size_t dataLen= dukptPacket.length-10; // trides_crypto(kCCDecrypt,0,tags,[dataKeyString length],decrypted,[dataKeyString hexStringToData]); trides_crypto(kCCDecrypt,0,dukptPacket.bytes,dataLen,decrypted,dataKey); // NSString* dd = [NSData dataWithBytes:decrypted length:<#(NSUInteger)#>] //packet structure: //random [4 bytes] //uniqueID [4 bytes] //payload len [2 bytes] //payload [variable] //crc16 ccit [2 bytes] FFFF based int payloadLen=(decrypted[4+4+0]<<8)|decrypted[4+4+1]; if(payloadLen>8)|(crc16<<8); crc16^=*data++; crc16^=(uint8_t)(crc16&0xff)>>4; crc16^=(crc16<<8)<<4; crc16^=((crc16&0xff)<<4)<<1; i++; } return crc16; } -(NSString *)pinExtractISO1:(NSData *)data { if(data==nil || data.length==0) return nil; const uint8_t *bytes=data.bytes; int pinLen=bytes[0]&0x0f; NSString *pin=[self toHexString:(uint8_t *)data.bytes length:data.length space:false]; pin=[pin substringWithRange:NSMakeRange(2, pinLen)]; NSLog(@"Decrypted pin: %@",pin); return pin; } -(NSString *)toHexString:(const void *)data length:(size_t)length space:(bool)space { const char HEX[]="0123456789ABCDEF"; char s[2000]; int len=0; for(int i=0;i>4]; s[len++]=HEX[((uint8_t *)data)[i]&0x0f]; if(space) s[len++]=' '; } s[len]=0; return [NSString stringWithCString:s encoding:NSASCIIStringEncoding]; } -(void)viewDidLoad{ // dtdev = [DTDevices sharedDevice]; // [dtdev addDelegate:self]; // [super viewDidLoad]; } -(NSString*)readTagAsString:(int) tag{ // NSError *error; NSString *tagStr = [NSString stringWithFormat:@"%x",tag]; NSData *dd = [self getTagsEncryptedDUKPT:stringToData(tagStr)]; NSArray *array = [TLV decodeTags:dd]; NSUInteger val = 0; TLV *tlv = [array objectAtIndex:val ]; NSData *data = [tlv data]; NSString *dataStr = [self toHexString:[data bytes] length:[data length] space:false]; NSLog(@"DATA %@", dataStr); return dataStr; } -(NSString *) getICCTime:(NSDate *) date{ NSString *time = @""; NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; [formatter setDateFormat:@"hhmmss"]; NSDate *dateValue = date; if(date == NULL){ dateValue = [NSDate date]; } time = [formatter stringFromDate:dateValue]; return time; } -(NSString *) getICCDate: (NSDate *) dateValue{ // NSString *time = @""; // NSDate *date = [NSDate date]; // NSCalendar *calender = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar]; // // NSCalendarUnit units = NSCalendarUnitYear | NSCalendarUnitWeekOfMonth | NSCalendarUnitDay ; NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; NSDate *date = dateValue; if(date == NULL){ date = [NSDate date]; } // This gets the year from the date [formatter setDateFormat:@"yy"]; NSString *year = [NSString stringWithFormat:@"%02d",[[formatter stringFromDate:date] intValue]]; [formatter setDateFormat:@"MM"]; NSString *month = [NSString stringWithFormat:@"%02d",[[formatter stringFromDate:date] intValue]]; [formatter setDateFormat:@"dd"]; NSString *day = [NSString stringWithFormat:@"%02d",[[formatter stringFromDate:date] intValue]]; NSString *dateString = [NSString stringWithFormat:@"%@%@%@",year,month,day]; NSLog(@"Date : %@",dateString); return dateString; } -(NSString *) packICCDataJpos{ NSMutableString *iccData = [[NSMutableString alloc] init]; NSString *temp = [[NSMutableString alloc] init]; temp = [_response getCryptogram]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9F26%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getCryptogramInformationData]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9F27%02x%@",temp.length / 2 ,temp]] mutableCopy]; temp = [_response getIAD]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9F10%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getUnpredictableNo]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9F37%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getATC]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9F36%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getTVR]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"95%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getTransDate]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9A%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getTransactionType]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9C%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getAmountAuthorised]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9F02%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getAIP]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"82%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getTerminalCountryCode]; if([temp length] == 3) temp = [NSString stringWithFormat:@"0%@",temp]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9F1A%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getTransactionCurrencyCode]; if([temp length] == 3) temp = [NSString stringWithFormat:@"0%@",temp]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"5F2A%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getCvmResult]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9F34%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getTerminalCapabilities]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9F33%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getTerminalType]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9F35%02x%@",temp.length / 2,temp]] mutableCopy]; temp = [_response getAmountOther]; iccData = [[iccData stringByAppendingString:[NSString stringWithFormat:@"9F03%02x%@",temp.length / 2,temp]] mutableCopy]; return iccData; } static NSString* maskedPan(NSString *pan){ if(pan.length <= 0) return nil; NSMutableString *temp = [[NSMutableString alloc]init]; int last4Index = pan.length - 4; for (int i =0 ; i < pan.length ; i++){ if(i < 6 || i >= last4Index ) [temp appendString:[NSString stringWithFormat:@"%c",[pan characterAtIndex:i]]]; else [temp appendString:@"*"]; } return temp; } @end