public string ConvertToString(byte[] data)
{
switch (Format)
{
//case DataFormats.UNKNOWN:
//case DataFormats.VARIABLE_UNKNOWN:
case DataFormats._BINARY:
case DataFormats._BINARY_16:
//case DataFormats._BINARY_MULTIPLE_OF_4:
//case DataFormats.H:
//case DataFormats.A:
return(Formatting.ByteArrayToHexString(data));
case DataFormats._CN:
case DataFormats._DATE_YYMMDD:
case DataFormats._TIME_HHMMSS:
case DataFormats._NUMERIC:
return(Formatting.BcdToString(data));
case DataFormats._ALPHA:
case DataFormats._ALPHA_NUMERIC:
case DataFormats._ALPHA_NUMERIC_SPECIAL:
case DataFormats._ALPHA_NUMERIC_SPACE:
return(Formatting.ByteArrayToASCIIString(data));
default:
throw new Exception("Unknown DataFormat:" + Format);
}
}
private String unpackKeyData(byte[] data)
{
StringBuilder sb = new StringBuilder();
TLVList tlvList = new TLVList();
tlvList.Deserialize(data);
sb.AppendLine("Card Data");
try
{
String oidVersion = Formatting.ByteArrayToASCIIString(tlvList.Get("66").Children.Get("73").Children.Get("06").Value);
String version = Formatting.ByteArrayToASCIIString(tlvList.Get("66").Children.Get("73").Children.Get("60").Children.Get("06").Value);
String tag3 = Formatting.ByteArrayToASCIIString(tlvList.Get("66").Children.Get("73").Children.Get("63").Children.Get("06").Value);
String scpVersion = Formatting.ByteArrayToASCIIString(tlvList.Get("66").Children.Get("73").Children.Get("64").Children.Get("06").Value);
String tag5 = Formatting.ByteArrayToASCIIString(tlvList.Get("66").Children.Get("73").Children.Get("65").Children.Get("06").Value);
String tag6 = Formatting.ByteArrayToASCIIString(tlvList.Get("66").Children.Get("73").Children.Get("66").Children.Get("06").Value);
sb.AppendLine("OID Version:" + oidVersion);
sb.AppendLine("Version:" + version);
sb.AppendLine("Tag3:" + tag3);
sb.AppendLine("SCP Version:" + scpVersion);
sb.AppendLine("Tag5:" + tag5);
sb.AppendLine("Tag6:" + tag6);
}
catch (Exception ex)
{
sb.AppendLine("Error Parsing Data:" + ex.Message);
}
return(sb.ToString());
}
private static SignalsEnum EntryPointPIN(KernelDatabase database, KernelRequest kernel1Request, CardQ cardQManager)
{
CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN cvr = new CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN(database);
TERMINAL_VERIFICATION_RESULTS_95_KRN tvr = new TERMINAL_VERIFICATION_RESULTS_95_KRN(database);
//store the pin
database.AddToList(kernel1Request.InputData.Get(EMVTagsEnum.TRANSACTION_PERSONAL_IDENTIFICATION_NUMBER_PIN_DATA_99_KRN.Tag));
string pin = Formatting.ByteArrayToASCIIString(database.Get(EMVTagsEnum.TRANSACTION_PERSONAL_IDENTIFICATION_NUMBER_PIN_DATA_99_KRN.Tag).Value);
//online pin
if (cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerifiedOnline)
{
PinProcessing.VerifyOnlinePin(pin, tvr, cvr);
return(SignalsEnum.WAITING_FOR_CVM_PROCESSING);
}
//offline pin
if (cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerificationPerformedByICC ||
cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerificationPerformedByICCAndSignature_Paper ||
cvr.Value.GetCVMPerformed() == CVMCode.PlaintextPINVerificationPerformedByICC ||
cvr.Value.GetCVMPerformed() == CVMCode.PlaintextPINVerificationPerformedByICCAndSignature_Paper)
{
EMVGetDataRequest request = new EMVGetDataRequest(Formatting.HexStringToByteArray(EMVTagsEnum.PERSONAL_IDENTIFICATION_NUMBER_PIN_TRY_COUNTER_9F17_KRN.Tag));
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_GET_PIN_TRY_COUNTER);
}
throw new EMVProtocolException("Invalid cvr in State_5a_WaitingForGetPinReponse");
}
private static SignalsEnum EntryPointRA(KernelDatabase database, CardResponse cardResponse, KernelQ qManager, CardQ cardQManager, Stopwatch sw)
{
CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN cvr = new CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN(database);
EMVGetDataResponse response = (EMVGetDataResponse)cardResponse.ApduResponse;
if (!response.Succeeded)
{
cvr.Value.CVMResult = 0x01;//failed
cvr.UpdateDB();
return(SignalsEnum.WAITING_FOR_CVM_PROCESSING);
}
//store the pin try counter value
database.AddToList(response.GetResponseTag());
int pinTryCounter = Formatting.ConvertToInt16(database.Get(EMVTagsEnum.PERSONAL_IDENTIFICATION_NUMBER_PIN_TRY_COUNTER_9F17_KRN).Value);
TERMINAL_VERIFICATION_RESULTS_95_KRN tvr = new TERMINAL_VERIFICATION_RESULTS_95_KRN(database);
if (cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerificationPerformedByICC ||
cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerificationPerformedByICCAndSignature_Paper)
{
string pin = Formatting.ByteArrayToASCIIString(database.Get(EMVTagsEnum.TRANSACTION_PERSONAL_IDENTIFICATION_NUMBER_PIN_DATA_99_KRN.Tag).Value);
if (!PinProcessing.VerifyOfflinePin(pin, pinTryCounter, tvr, cvr))
{
return(SignalsEnum.WAITING_FOR_CVM_PROCESSING);
}
//fire off get challenge command
EMVGetChallengeRequest request = new EMVGetChallengeRequest();
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_GET_CHALLENGE);
}
if (cvr.Value.GetCVMPerformed() == CVMCode.PlaintextPINVerificationPerformedByICC ||
cvr.Value.GetCVMPerformed() == CVMCode.PlaintextPINVerificationPerformedByICCAndSignature_Paper)
{
string pin = Formatting.ByteArrayToASCIIString(database.Get(EMVTagsEnum.TRANSACTION_PERSONAL_IDENTIFICATION_NUMBER_PIN_DATA_99_KRN.Tag).Value);
if (!PinProcessing.VerifyOfflinePin(pin, pinTryCounter, tvr, cvr))
{
return(SignalsEnum.WAITING_FOR_CVM_PROCESSING);
}
byte[] pinData = PinProcessing.BuildPlainTextPinBlock(pin);
//fire off verify for plain text pin
EMVVerifyRequest request = new EMVVerifyRequest(VerifyCommandDataQualifier.Plaintext_PIN, pinData);
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_VERIFY);
}
throw new EMVProtocolException("Invalid cvr in State_5b_WaitingForGetPinTryCounter");
}
public static string Serialize(T input)
{
XmlSerializer serializer = new XmlSerializer(typeof(T));
MemoryStream stream = new MemoryStream();
string result;
using (stream)
{
serializer.Serialize(stream, input);
result = Formatting.ByteArrayToASCIIString(stream.ToArray());
}
return(result);
}
private static SignalsEnum EntryPointRA(KernelDatabase database, CardResponse cardResponse, KernelQ qManager, CardQ cardQManager, PublicKeyCertificateManager pkcm, EMVSelectApplicationResponse emvSelectApplicationResponse, Stopwatch sw)
{
CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN cvr = new CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN(database);
EMVGetChallengeResponse response = (EMVGetChallengeResponse)cardResponse.ApduResponse;
if (!response.Succeeded)
{
cvr.Value.CVMResult = 0x01;//failed
cvr.UpdateDB();
return(SignalsEnum.WAITING_FOR_CVM_PROCESSING);
}
//store the challenge
byte[] pinChallenge = response.ResponseData;
if (cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerificationPerformedByICC ||
cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerificationPerformedByICCAndSignature_Paper)
{
string aid = emvSelectApplicationResponse.GetDFName();
string rid = aid.Substring(0, 10);
RIDEnum ridEnum = (RIDEnum)Enum.Parse(typeof(RIDEnum), rid);
CAPublicKeyCertificate capk = pkcm.GetCAPK(ridEnum, database.Get(EMVTagsEnum.CERTIFICATION_AUTHORITY_PUBLIC_KEY_INDEX_8F_KRN).Value[0]);
if (capk == null)
{
cvr.Value.CVMResult = 0x01;//failed
cvr.UpdateDB();
return(SignalsEnum.WAITING_FOR_CVM_PROCESSING);
}
string pin = Formatting.ByteArrayToASCIIString(database.Get(EMVTagsEnum.TRANSACTION_PERSONAL_IDENTIFICATION_NUMBER_PIN_DATA_99_KRN.Tag).Value);
byte[] pinBlock = PinProcessing.BuildPlainTextPinBlock(pin);
//encrypt the pin
byte[] encipheredPin = PinProcessing.BuildPinVerifyData(database, capk, pinBlock, pinChallenge);
if (encipheredPin == null)
{
cvr.Value.CVMResult = 0x01;//failed
cvr.UpdateDB();
return(SignalsEnum.WAITING_FOR_CVM_PROCESSING);
}
//fire off verify for enciphered pin
EMVVerifyRequest request = new EMVVerifyRequest(VerifyCommandDataQualifier.Enciphered_PIN, encipheredPin);
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
}
//verify message for plain text pin fired in waiting for pin response
return(SignalsEnum.WAITING_FOR_VERIFY);
}
private static byte[] Receive(TCPClientStream stream)
{
byte chrSTX = 0x02; // Start of Text
byte chrETX = 0x03; // End of Text
byte[] rxBuffer = new Byte[4096];
int countBytesRead = stream.Read(rxBuffer);
byte[] lengthBytesReceived = new byte[2];
Array.Copy(rxBuffer, 0, lengthBytesReceived, 0, lengthBytesReceived.Length);
int bytesInRxPacket = Formatting.ConvertToInt16(lengthBytesReceived);
if (bytesInRxPacket + 2 != countBytesRead)
{
throw new TCPIPManagerException("Did not receive all expected bytes");
}
byte[] result = new byte[bytesInRxPacket];
Array.Copy(rxBuffer, 2, result, 0, result.Length);
bool hasSTX = false;
bool hasETX = false;
if (result.First() == chrSTX)
{
byte[] strippedSTX = new byte[result.Length - 1];
Array.Copy(result, 1, strippedSTX, 0, strippedSTX.Length);
result = strippedSTX;
hasSTX = true;
}
int lastPos = Array.FindIndex(result, 0, (x) => x == chrETX);
if (lastPos != -1)
{
int lengthToCopy = result.Length - (result.Length - lastPos);
byte[] strippedETX = new byte[lengthToCopy];
Array.Copy(result, 0, strippedETX, 0, strippedETX.Length);
result = strippedETX;
hasETX = true;
}
Logger.Log("Received:[" + countBytesRead + "]" +
(hasSTX == true? "[" + Formatting.ByteArrayToHexString(new byte[] { chrSTX }) + "]": "[No STX]") +
"[" + Formatting.ByteArrayToASCIIString(result) + "]" +
(hasETX == true ? "[" + Formatting.ByteArrayToHexString(new byte[] { chrETX }) + "]": "[No ETX]"));
return(result);
}
private static Optional <Tuple <TerminalSupportedKernelAidTransactionTypeCombination, CardKernelAidCombination> > AskCardHolderToSelect(List <Tuple <TerminalSupportedKernelAidTransactionTypeCombination, CardKernelAidCombination> > candidateList, IUICallbackProvider uiProvider)
{
List <String> candidatesStrings = candidateList.Select(x => Formatting.ByteArrayToASCIIString(x.Item2.ApplicationLabel.Value) + ":" + Formatting.ByteArrayToHexString(x.Item2.AdfNameTag.Value)).ToList();
String selected = uiProvider.DisplayApplicationList(candidatesStrings);
if (!string.IsNullOrEmpty(selected))
{
Tuple <TerminalSupportedKernelAidTransactionTypeCombination, CardKernelAidCombination> selectedTuple =
candidateList.Where(x => Formatting.ByteArrayToHexString(x.Item2.AdfNameTag.Value) == selected).First();
return(Optional <Tuple <TerminalSupportedKernelAidTransactionTypeCombination, CardKernelAidCombination> > .Create(selectedTuple));
}
else
{
return(Optional <Tuple <TerminalSupportedKernelAidTransactionTypeCombination, CardKernelAidCombination> > .CreateEmpty());
}
}
public override byte[] Serialize()
{
FormatCode = 0x42;
FieldSeperator = 0x5E;
string output = Formatting.ByteArrayToASCIIString(new byte[] { FormatCode })
+ PAN +
Formatting.ByteArrayToASCIIString(new byte[] { FieldSeperator }) +
Name +
Formatting.ByteArrayToASCIIString(new byte[] { FieldSeperator }) +
ExpirationDate +
ServiceCode +
Formatting.ByteArrayToASCIIString(DiscretionaryData);
Value = Formatting.ASCIIStringToByteArray(output);
return(base.Serialize());
}
public override int Deserialize(byte[] rawTlv, int pos)
{
FieldSeperator = 0x5E;
pos = base.Deserialize(rawTlv, pos);
string input = Formatting.ByteArrayToASCIIString(Value);
string[] inputs = input.Split(new string[] { Formatting.ByteArrayToASCIIString(new byte[] { FieldSeperator }) }, StringSplitOptions.None);
PAN = inputs[0].Substring(1);
Name = inputs[1];
ExpirationDate = inputs[2].Substring(0, 4);
ServiceCode = inputs[2].Substring(4, 3);
DiscretionaryData = Formatting.ASCIIStringToByteArray(inputs[2].Substring(7, inputs[2].Length - 7));
return(pos);
}
private static void Transmit(TCPClientStream stream, byte[] txBytes)
{
byte chrSTX = 0x02; // Start of Text
byte chrETX = 0x03; // End of Text
//byte[] LRC;
short length = (short)(txBytes.Length + 2);
byte[] lengthBytes = new byte[] { (byte)(length / 256), (byte)(length % 256) };
byte[] txBytesTCP = Formatting.ConcatArrays(lengthBytes, new byte[] { chrSTX }, txBytes, new byte[] { chrETX });
Logger.Log("Sending: [" + Formatting.ConvertToInt16(lengthBytes) + "]" +
"[" + Formatting.ByteArrayToHexString(new byte[] { chrSTX }) + "]" +
"[" + Formatting.ByteArrayToASCIIString(txBytes) + "]" +
"[" + Formatting.ByteArrayToHexString(new byte[] { chrETX }) + "]");
stream.Write(txBytesTCP);
}
public static T Deserialize(string xml)
{
XmlSerializer serializer = new XmlSerializer(typeof(T));
MemoryStream stream = new MemoryStream();
StreamWriter writer = new StreamWriter(stream);
writer.Write(xml);
writer.Flush();
stream.Position = 0;
using (stream)
{
Logger.Log(Formatting.ByteArrayToASCIIString(stream.ToArray()));
return((T)serializer.Deserialize(stream));
}
//available in .net standard 2.0
// using (XmlReader schemaReader = XmlReader.Create("schema.xsd"))
// {
// XmlSchemaSet schemaSet = new XmlSchemaSet();
// //add the schema to the schema set
// schemaSet.Add(XmlSchema.Read(schemaReader,
// new ValidationEventHandler(
// delegate (Object sender, ValidationEventArgs e)
// {
// }
// )));
// //Load and validate against the programmatic schema set
// XmlDocument xmlDocument = new XmlDocument();
// xmlDocument.Schemas = schemaSet;
// xmlDocument.Load("something.xml");
// xmlDocument.Validate(new ValidationEventHandler(
// delegate (Object sender, ValidationEventArgs e)
// {
// //Report or respond to the error/warning
//}
// ));
// }
}
public override string ToString()
{
if (Children.Count == 0)
{
return(string.Format("[{0,-50}][{1}:{2}] V:[{3}]", FidMeta.Description, Id, SubId, Formatting.ByteArrayToASCIIString(Value)));
}
else
{
return(string.Format("[{0,-50}][{1}] V:[Child Count={2}]", "Parent", Id, Children.Count));
}
}
/*
* 14.6
*/
private static SignalsEnum EntryPointRA(Kernel2Database database, CardResponse cardResponse, KernelQ qManager, CardQ cardQManager, TornTransactionLogManager tornTransactionLogManager, Stopwatch sw, PublicKeyCertificateManager publicKeyCertificateManager)
{
#region 14.9
if (!cardResponse.ApduResponse.Succeeded)
#endregion
{
#region 14.10
CommonRoutines.UpdateErrorIndication(database, cardResponse, L1Enum.NOT_SET, L2Enum.STATUS_BYTES, L3Enum.NOT_SET);
return(DoInvalidResponse(database, qManager));
#endregion
}
#region 14.11
bool parsingResult = false;
if (cardResponse.ApduResponse.ResponseData.Length > 0 && cardResponse.ApduResponse.ResponseData[0] == 0x77)
{
EMVComputeCryptographicChecksumResponse response = cardResponse.ApduResponse as EMVComputeCryptographicChecksumResponse;
parsingResult = database.ParseAndStoreCardResponse(response.ResponseData);
}
else
{
parsingResult = false;
}
#endregion
#region 14.12
if (!parsingResult)
#endregion
{
#region 14.13
CommonRoutines.UpdateErrorIndication(database, cardResponse, L1Enum.NOT_SET, L2Enum.PARSING_ERROR, L3Enum.NOT_SET);
return(DoInvalidResponse(database, qManager));
#endregion
}
#region 14.12.1
CommonRoutines.PostUIOnly(database, qManager, KernelMessageidentifierEnum.CLEAR_DISPLAY, KernelStatusEnum.CARD_READ_SUCCESSFULLY, true);
#endregion
#region 14.14
if (database.IsEmpty(EMVTagsEnum.APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN.Tag) ||
database.IsEmpty(EMVTagsEnum.POS_CARDHOLDER_INTERACTION_INFORMATION_DF4B_KRN2.Tag))
#endregion
{
#region 14.17
CommonRoutines.UpdateErrorIndication(database, cardResponse, L1Enum.NOT_SET, L2Enum.CARD_DATA_MISSING, L3Enum.NOT_SET);
return(DoInvalidResponse(database, qManager));
#endregion
}
long nUN = 0;
#region 14.15
if (database.IsNotEmpty(EMVTagsEnum.CVC3_TRACK2_9F61_KRN2.Tag))
#endregion
{
#region 14.16
if (database.IsNotEmpty(EMVTagsEnum.TRACK_1_DATA_56_KRN2.Tag) &&
(database.IsNotPresent(EMVTagsEnum.CVC3_TRACK1_9F60_KRN2.Tag) ||
database.IsEmpty(EMVTagsEnum.CVC3_TRACK1_9F60_KRN2.Tag)))
#endregion
{
#region 14.17
CommonRoutines.UpdateErrorIndication(database, cardResponse, L1Enum.NOT_SET, L2Enum.CARD_DATA_MISSING, L3Enum.NOT_SET);
return(DoInvalidResponse(database, qManager));
#endregion
}
#region 14.20
byte pcii = database.Get(EMVTagsEnum.POS_CARDHOLDER_INTERACTION_INFORMATION_DF4B_KRN2).Value[1];
#endregion
if ((pcii & 0x10) == 0x10) //OD-CVM verification successful
{
#region 14.24
nUN = (nUN + 5) % 10;
#endregion
}
else
{
#region 14.21
long aa = Formatting.BcdToLong(database.Get(EMVTagsEnum.AMOUNT_AUTHORISED_NUMERIC_9F02_KRN).Value);
long rctl = database.ReaderContactlessTransactionLismit;
if (aa > rctl)
#endregion
{
#region 14.21.1
CommonRoutines.UpdateErrorIndication(database, cardResponse, L1Enum.NOT_SET, L2Enum.CARD_DATA_ERROR, L3Enum.NOT_SET);
return(DoInvalidResponse(database, qManager));
#endregion
}
else
{
#region 14.25
nUN = (int)Formatting.ConvertToInt32(database.Get(EMVTagsEnum.UNPREDICTABLE_NUMBER_9F37_KRN).Value);
#endregion
}
}
#region 14.25.1
database.FailedMSCntr = 0;
#endregion
#region 14.26
TRACK_2_DATA_9F6B_KRN2 t2d = new TRACK_2_DATA_9F6B_KRN2(database);
ushort t2 = Formatting.ConvertToInt16(database.Get(EMVTagsEnum.NATC_TRACK2_9F67_KRN2).Value);
TLV PCVC3_TRACK2_9F65_KRN2 = database.Get(EMVTagsEnum.PCVC3_TRACK2_9F65_KRN2);
MagBitmap bitmapPCVC3_TRACK2_9F65_KRN2 = new MagBitmap(PCVC3_TRACK2_9F65_KRN2.Value);
TLV CVC3_TRACK2_9F61_KRN2 = database.Get(EMVTagsEnum.CVC3_TRACK2_9F61_KRN2);
ushort cvc3T2AsShort = Formatting.ConvertToInt16(CVC3_TRACK2_9F61_KRN2.Value.Reverse().ToArray());
string q2LeastSigDigits = Convert.ToString(cvc3T2AsShort);
q2LeastSigDigits = q2LeastSigDigits.Substring(q2LeastSigDigits.Length - bitmapPCVC3_TRACK2_9F65_KRN2.NonZeroCount);
t2d.Value.DiscretionaryData = Formatting.StringToBcd(bitmapPCVC3_TRACK2_9F65_KRN2.ReplaceValues(Formatting.BcdToString(t2d.Value.DiscretionaryData), q2LeastSigDigits, bitmapPCVC3_TRACK2_9F65_KRN2.NonZeroCount, true), false);
TLV PUNATC_TRACK2_9F66_KRN2 = database.Get(EMVTagsEnum.PUNATC_TRACK2_9F66_KRN2);
MagBitmap bitmapPUNATC_TRACK2_9F66_KRN2 = new MagBitmap(PUNATC_TRACK2_9F66_KRN2.Value);
uint unpredInt = Formatting.ConvertToInt32(database.Get(EMVTagsEnum.UNPREDICTABLE_NUMBER_NUMERIC_9F6A_KRN2).Value.Reverse().ToArray());
string unpredString = Convert.ToString(unpredInt);
unpredString = unpredString.Substring(unpredString.Length - database.NUN);
t2d.Value.DiscretionaryData = Formatting.StringToBcd(bitmapPUNATC_TRACK2_9F66_KRN2.ReplaceValues(Formatting.BcdToString(t2d.Value.DiscretionaryData), unpredString, database.NUN, true), false);
if (t2 != 0)
{
TLV APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN = database.Get(EMVTagsEnum.APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN);
uint atcAsShort = Formatting.ConvertToInt32(APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN.Value.Reverse().ToArray());
string atcAsShortLeastSigDigits = Convert.ToString(atcAsShort);
atcAsShortLeastSigDigits = atcAsShortLeastSigDigits.PadLeft(t2, '0').Substring(atcAsShortLeastSigDigits.Length - t2);
t2d.Value.DiscretionaryData = Formatting.StringToBcd(bitmapPUNATC_TRACK2_9F66_KRN2.ReplaceValues(Formatting.BcdToString(t2d.Value.DiscretionaryData), atcAsShortLeastSigDigits, t2, false), false);
}
#endregion
#region 14.27
StringBuilder dd = new StringBuilder(Formatting.BcdToString(t2d.Value.DiscretionaryData));
dd[dd.Length - 1] = Convert.ToString(nUN)[0];
t2d.Value.DiscretionaryData = Formatting.StringToBcd(dd.ToString(), false);
#endregion
t2d.Serialize(); //reserialize in case the length of discretionary data changed
t2d.UpdateDB();
#region 14.28
if (database.IsNotEmpty(EMVTagsEnum.TRACK_1_DATA_56_KRN2.Tag))
#endregion
{
#region 14.29
TRACK_1_DATA_56_KRN2 t1d = new TRACK_1_DATA_56_KRN2(database);
ushort t1 = Formatting.ConvertToInt16(database.Get(EMVTagsEnum.NATC_TRACK1_9F64_KRN2).Value);
TLV PCVC3_TRACK1_9F62_KRN2 = database.Get(EMVTagsEnum.PCVC3_TRACK1_9F62_KRN2);
MagBitmap bitmapPCVC3_TRACK1_9F62_KRN2 = new MagBitmap(PCVC3_TRACK1_9F62_KRN2.Value);
TLV CVC3_TRACK1_9F60_KRN2 = database.Get(EMVTagsEnum.CVC3_TRACK1_9F60_KRN2);
ushort cvc3T1AsShort = Formatting.ConvertToInt16(CVC3_TRACK1_9F60_KRN2.Value.Reverse().ToArray());
string q1LeastSigDigits = Convert.ToString(cvc3T1AsShort);
q1LeastSigDigits = q1LeastSigDigits.Substring(q1LeastSigDigits.Length - bitmapPCVC3_TRACK1_9F62_KRN2.NonZeroCount);
t1d.Value.DiscretionaryData = Formatting.ASCIIStringToByteArray(bitmapPCVC3_TRACK1_9F62_KRN2.ReplaceValues(Formatting.ByteArrayToASCIIString(t1d.Value.DiscretionaryData), q1LeastSigDigits, bitmapPCVC3_TRACK1_9F62_KRN2.NonZeroCount, true));
TLV PUNATC_TRACK1_9F63_KRN2 = database.Get(EMVTagsEnum.PUNATC_TRACK1_9F63_KRN2);
MagBitmap bitmapPUNATC_TRACK1_9F63_KRN2 = new MagBitmap(PUNATC_TRACK1_9F63_KRN2.Value);
t1d.Value.DiscretionaryData = Formatting.ASCIIStringToByteArray(bitmapPUNATC_TRACK1_9F63_KRN2.ReplaceValues(Formatting.ByteArrayToASCIIString(t1d.Value.DiscretionaryData), unpredString, database.NUN, true));
if (t2 != 0)
{
TLV APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN = database.Get(EMVTagsEnum.APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN);
uint atcAsShort = Formatting.ConvertToInt32(APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN.Value.Reverse().ToArray());
string atcAsShortLeastSigDigits = Convert.ToString(atcAsShort);
atcAsShortLeastSigDigits = atcAsShortLeastSigDigits.PadLeft(t2, '0').Substring(atcAsShortLeastSigDigits.Length - t1);
t2d.Value.DiscretionaryData = Formatting.ASCIIStringToByteArray(bitmapPUNATC_TRACK1_9F63_KRN2.ReplaceValues(Formatting.ByteArrayToASCIIString(t1d.Value.DiscretionaryData), atcAsShortLeastSigDigits, t1, false));
}
#endregion
#region 14.30
StringBuilder dd1 = new StringBuilder(Formatting.ByteArrayToASCIIString(t1d.Value.DiscretionaryData));
dd1[dd1.Length - 1] = Convert.ToString(nUN)[0];
t1d.Value.DiscretionaryData = Formatting.ASCIIStringToByteArray(dd1.ToString());
#endregion
t1d.Serialize(); //reserialize in case the length of discretionary data changed
t1d.UpdateDB();
}
#region 14.32
Kernel2OutcomeStatusEnum k2OutcomeStatus = Kernel2OutcomeStatusEnum.ONLINE_REQUEST;
KernelCVMEnum cvmEnum = KernelCVMEnum.N_A;
bool receipt = false;
pcii = database.Get(EMVTagsEnum.POS_CARDHOLDER_INTERACTION_INFORMATION_DF4B_KRN2).Value[1];
if ((pcii & 0x10) == 0x10) //OD-CVM verification successful
#endregion
{
#region 14.34
cvmEnum = KernelCVMEnum.CONFIRMATION_CODE_VERIFIED;
long aa = Formatting.BcdToLong(database.Get(EMVTagsEnum.AMOUNT_AUTHORISED_NUMERIC_9F02_KRN).Value);
long rctl = database.ReaderContactlessTransactionLismit;
if (aa > rctl)
{
receipt = true;
}
#endregion
}
else
{
#region 14.33
cvmEnum = KernelCVMEnum.NO_CVM;
#endregion
}
CommonRoutines.CreateMSDiscretionaryDataRecord(database);
CommonRoutines.CreateMSDataRecord(database);
return(CommonRoutines.PostOutcomeOnly(database, qManager, k2OutcomeStatus, cvmEnum, receipt));
}
else
{
#region 14.19.1
if (((int)Formatting.ConvertToInt32(database.Get(EMVTagsEnum.POS_CARDHOLDER_INTERACTION_INFORMATION_DF4B_KRN2).Value) & 0x00030F) != 0x000000)
#endregion
{
KernelMessageidentifierEnum k2MessageIdentifier = KernelMessageidentifierEnum.DECLINED;
KernelStatusEnum k2Status = KernelStatusEnum.READY_TO_READ;
byte[] holdTime = new byte[] { 0x00, 0x00, 0x00 };
#region 14.22
PHONE_MESSAGE_TABLE_DF8131_KRN2 pmt = (PHONE_MESSAGE_TABLE_DF8131_KRN2)database.GetDefault(EMVTagsEnum.PHONE_MESSAGE_TABLE_DF8131_KRN2);
foreach (PhoneMessageTableEntry_DF8131 entry in pmt.Value.Entries)
{
int pcii = (int)Formatting.ConvertToInt32(database.Get(EMVTagsEnum.POS_CARDHOLDER_INTERACTION_INFORMATION_DF4B_KRN2).Value);
int pciMask = (int)Formatting.ConvertToInt32(entry.PCIIMask);
int pciValue = (int)Formatting.ConvertToInt32(entry.PCIIValue);
if ((pciMask & pcii) == pciValue)
{
k2MessageIdentifier = entry.MessageIdentifier;
k2Status = entry.Status;
holdTime = database.GetDefault(EMVTagsEnum.MESSAGE_HOLD_TIME_DF812D_KRN2).Value;
break;
}
}
#endregion
#region 14.21.1
int waitTime = ((2 ^ database.FailedMSCntr) * 300);
Task.Delay(TimeSpan.FromMilliseconds(waitTime)).Wait();
#endregion
#region 14.21.2
database.FailedMSCntr = Math.Min(database.FailedMSCntr + 1, 5);
#endregion
#region 14.23
CommonRoutines.CreateMSDiscretionaryDataRecord(database);
CommonRoutines.CreateMSDataRecord(database);
return(CommonRoutines.PostOutcome(database, qManager,
k2MessageIdentifier,
k2Status,
holdTime,
Kernel2OutcomeStatusEnum.END_APPLICATION,
Kernel2StartEnum.B,
false,
KernelMessageidentifierEnum.N_A,
L1Enum.NOT_SET,
null,
L2Enum.NOT_SET,
L3Enum.NOT_SET));
#endregion
}
else
{
#region 14.19.2.1
int waitTime = ((2 ^ database.FailedMSCntr) * 300);
Task.Delay(TimeSpan.FromMilliseconds(waitTime)).Wait();
#endregion
#region 14.19.2.2
database.FailedMSCntr = Math.Min(database.FailedMSCntr + 1, 5);
#endregion
#region 14.19.3
CommonRoutines.CreateMSDiscretionaryDataRecord(database);
CommonRoutines.CreateMSDataRecord(database);
return(CommonRoutines.PostOutcome(database, qManager,
KernelMessageidentifierEnum.DECLINED,
KernelStatusEnum.NOT_READY,
database.GetDefault(EMVTagsEnum.MESSAGE_HOLD_TIME_DF812D_KRN2).Value,
Kernel2OutcomeStatusEnum.END_APPLICATION,
Kernel2StartEnum.N_A,
true,
KernelMessageidentifierEnum.N_A,
L1Enum.NOT_SET,
null,
L2Enum.NOT_SET,
L3Enum.NOT_SET));
#endregion
}
}
}
public ApproverResponseBase DoAuth(ApproverRequestBase requestIn)
{
bool isMagStripe;
EMVApproverRequest request = ((EMVApproverRequest)requestIn);
TLV cryptogram = request.EMV_Data.Children.Get(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN.Tag);
if (cryptogram != null)
{
isMagStripe = false;
}
else
{
isMagStripe = true;
}
TransactionTypeEnum tt = (TransactionTypeEnum)Formatting.GetEnum(typeof(TransactionTypeEnum), request.EMV_Data.Children.Get(EMVTagsEnum.TRANSACTION_TYPE_9C_KRN.Tag).Value[0]);
TransactionBase np;
switch (tt)
{
case TransactionTypeEnum.PurchaseGoodsAndServices:
np = new F00_NormalPurchase();
break;
case TransactionTypeEnum.PurchaseWithCashback:
np = new F08_PurchaseWithCashBack();
break;
case TransactionTypeEnum.Refund:
np = new F12_MerchandiseReturnAdjustment();
break;
default:
throw new Exception("Unimplemented TransactionTypeEnum:" + tt);
}
np.SetHeaderValues(SPDHTransactionCode.NormalPurchase, SPDHMessageType.FinancialTransaction, SPDHMessageSubType.Online, DateTime.Now, "300047", "");
np.Fids.Add(new FID_B_Amount1(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.AMOUNT_AUTHORISED_NUMERIC_9F02_KRN.Tag).Value)));
FIDBase fb_6 = new FIDBase('6', ' ', new byte[0]);
np.Fids.Add(fb_6);
if (tt == TransactionTypeEnum.PurchaseWithCashback || tt == TransactionTypeEnum.Refund)
{
np.Fids.Add(new FID_C_Amount2(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.AMOUNT_OTHER_NUMERIC_9F03_KRN.Tag).Value)));
}
if (isMagStripe)
{
np.Fids.Add(new FID_q_Track2_Customer(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.TRACK_2_DATA_9F6B_KRN2.Tag).Value)));
fb_6.Children.Add(new FID_6_I_TransactionCurrencyCode(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.TRANSACTION_CURRENCY_CODE_5F2A_KRN.Tag).Value)));
fb_6.Children.Add(new FID_6_E_POSEntryMode(Formatting.ConvertToHexAscii(new byte[] { 0x91 })));
}
else
{
np.Fids.Add(new FID_q_Track2_Customer(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.TRACK_2_EQUIVALENT_DATA_57_KRN.Tag).Value)));
fb_6.Children.Add(new FID_6_I_TransactionCurrencyCode(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.TRANSACTION_CURRENCY_CODE_5F2A_KRN.Tag).Value)));
//fb_6.Children.Add(new FID_6_E_POSEntryMode(Formatting.ConvertToHexAscii(new byte[] { 0x07 })));
fb_6.Children.Add(new FID_6_E_POSEntryMode(Formatting.ASCIIStringToByteArray("051")));
}
if (!isMagStripe)
{
List <byte[]> fidBytes = new List <byte[]>();
byte[] smartCardScheme = new byte[] { 0x30, 0x31 };
fidBytes.Add(smartCardScheme);
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN.Tag).Value));
fidBytes.Add(Formatting.ASCIIStringToByteArray(Formatting.ByteArrayToHexString(request.EMV_Data.Children.Get(EMVTagsEnum.TERMINAL_COUNTRY_CODE_9F1A_KRN.Tag).Value).Substring(1)));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.TRANSACTION_DATE_9A_KRN.Tag).Value));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.APPLICATION_CRYPTOGRAM_9F26_KRN.Tag).Value));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.APPLICATION_INTERCHANGE_PROFILE_82_KRN.Tag).Value));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN.Tag).Value));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.UNPREDICTABLE_NUMBER_9F37_KRN.Tag).Value));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.TERMINAL_VERIFICATION_RESULTS_95_KRN.Tag).Value));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.TRANSACTION_TYPE_9C_KRN.Tag).Value));
fidBytes.Add(Formatting.ASCIIStringToByteArray(Formatting.ByteArrayToHexString(request.EMV_Data.Children.Get(EMVTagsEnum.TRANSACTION_CURRENCY_CODE_5F2A_KRN.Tag).Value).Substring(1)));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.AMOUNT_AUTHORISED_NUMERIC_9F02_KRN.Tag).Value));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.ISSUER_APPLICATION_DATA_9F10_KRN.Tag).Value));
fb_6.Children.Add(new FID_6_O_EMVRequestData(fidBytes.SelectMany(x => x).ToArray()));
fidBytes = new List <byte[]>();
fidBytes.Add(smartCardScheme);
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.APPLICATION_PRIMARY_ACCOUNT_NUMBER_PAN_SEQUENCE_NUMBER_5F34_KRN.Tag).Value));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.TERMINAL_TYPE_9F35_KRN.Tag).Value));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN.Tag).Value));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.APPLICATION_VERSION_NUMBER_TERMINAL_9F09_KRN.Tag).Value));
fidBytes.Add(Formatting.ConvertToHexAscii(request.EMV_Data.Children.Get(EMVTagsEnum.DEDICATED_FILE_DF_NAME_84_KRN.Tag).Value));
fb_6.Children.Add(new FID_6_P_EMVAdditionalRequestData(fidBytes.SelectMany(x => x).ToArray()));
}
Logger.Log(np.ToPrintString());
bool check = np.Validate();
byte[] received;
using (request.TCPClientStream)
{
request.TCPClientStream.Connect(host, port);
received = TCPIPManager.SendTransaction(request.TCPClientStream, np.Serialize());
}
int pos = 0;
TransactionBase fb;
switch (tt)
{
case TransactionTypeEnum.PurchaseGoodsAndServices:
fb = new F00_NormalPurchase();
break;
case TransactionTypeEnum.PurchaseWithCashback:
fb = new F08_PurchaseWithCashBack();
break;
case TransactionTypeEnum.Refund:
fb = new F12_MerchandiseReturnAdjustment();
break;
default:
throw new Exception("Unimplemented TransactionTypeEnum:" + tt);
}
pos = fb.Deserialize(received, pos);
Logger.Log(fb.ToPrintString());
FIDBase responseMessageFid = fb.FindFid(FidMetaList.ResponseDisplay).Get();
string responseMessage = Formatting.ByteArrayToASCIIString(responseMessageFid.Value);
bool responseCode;
int responseCodeAsNumber = Convert.ToInt32(Formatting.ByteArrayToASCIIString(fb.Header.GetValue(HeaderEntryEnum.ResponseCode)));
if (responseCodeAsNumber >= 0 && responseCodeAsNumber <= 10)
{
responseCode = true;
}
else
{
responseCode = false;
}
FIDBase responseMessage6QFid = fb.FindFid(FidMetaList.EMVResponseData).Get();
string responseMessage6Q = Formatting.ByteArrayToASCIIString(responseMessage6QFid.Value);
string smartCardSchemeResponse = responseMessage6Q.Substring(0, 2);
string authResponseCode = "";
string issuerAuthData;
if (smartCardSchemeResponse == "00") //schem 1
{
issuerAuthData = responseMessage6Q.Substring(2);
}
else //01 == schem 2
{
authResponseCode = responseMessage6Q.Substring(2, 2);
issuerAuthData = responseMessage6Q.Substring(4);
}
TLV authcodeTLV = null;
if (!String.IsNullOrEmpty(authResponseCode))
{
authcodeTLV = TLV.Create(EMVTagsEnum.AUTHORISATION_RESPONSE_CODE_8A_KRN.Tag, Formatting.ASCIIStringToByteArray(authResponseCode));
}
TLV issuerAuthDataTLV = TLV.Create(EMVTagsEnum.ISSUER_AUTHENTICATION_DATA_91_KRN.Tag, Formatting.HexStringToByteArray(issuerAuthData));
return(new EMVApproverResponse()
{
IsApproved = responseCode,
ResponseMessage = responseMessage,
AuthCode_8A = authcodeTLV,
IssuerAuthData_91 = issuerAuthDataTLV
});
}
public bool Validate(byte[] data)
{
switch (Format)
{
//case DataFormats.UNKNOWN:
// throw new Exception("Unknown DataFormat:" + Format);
//case DataFormats.VARIABLE_UNKNOWN:
// throw new Exception("Unknown DataFormat:" + Format);
case DataFormats._CN:
case DataFormats._DATE_YYMMDD:
case DataFormats._TIME_HHMMSS:
case DataFormats._NUMERIC:
string valueNumeric = Formatting.BcdToString(data);
for (int i = 0; i < valueNumeric.Length; i++)
{
if (!Char.IsNumber(valueNumeric, i))
{
return(false);
}
}
return(true);
case DataFormats._BINARY:
return(true);
//case DataFormats._BINARY_MULTIPLE_OF_4:
// if (data.Length % 4 != 0)
// return false;
// else
// return true;
case DataFormats._ALPHA:
string valueAlpha = Formatting.ByteArrayToASCIIString(data);
for (int i = 0; i < valueAlpha.Length; i++)
{
if (!Char.IsLetter(valueAlpha, i))
{
return(false);
}
}
return(true);
case DataFormats._ALPHA_NUMERIC:
string valueAlphaNumeric = Formatting.ByteArrayToASCIIString(data);
for (int i = 0; i < valueAlphaNumeric.Length; i++)
{
if (!Char.IsLetter(valueAlphaNumeric, i) && !Char.IsNumber(valueAlphaNumeric, i))
{
return(false);
}
}
return(true);
case DataFormats._ALPHA_NUMERIC_SPECIAL:
string valueAlphaNumericSpecial = Formatting.ByteArrayToASCIIString(data);
for (int i = 0; i < valueAlphaNumericSpecial.Length; i++)
{
if (!Char.IsLetter(valueAlphaNumericSpecial, i) &&
!Char.IsNumber(valueAlphaNumericSpecial, i) &&
!Char.IsWhiteSpace(valueAlphaNumericSpecial, i) &&
!Char.IsPunctuation(valueAlphaNumericSpecial, i) &&
!Char.IsControl(valueAlphaNumericSpecial, i) &&
!Char.IsSymbol(valueAlphaNumericSpecial, i))
{
return(false);
}
}
return(true);
case DataFormats._ALPHA_NUMERIC_SPACE:
string valueAlphaNumericSpace = Formatting.ByteArrayToASCIIString(data);
for (int i = 0; i < valueAlphaNumericSpace.Length; i++)
{
if (!Char.IsLetter(valueAlphaNumericSpace, i) &&
!Char.IsNumber(valueAlphaNumericSpace, i) &&
!Char.IsWhiteSpace(valueAlphaNumericSpace, i))
{
return(false);
}
}
return(true);
//case DataFormats.H:
// throw new Exception("Unknown DataFormat:" + Format);
//case DataFormats.A:
// throw new Exception("Unknown DataFormat:" + Format);
default:
throw new Exception("Unknown DataFormat:" + Format);
}
}
public string ToPrintString(ref int depth)
{
StringBuilder sbTab = new StringBuilder();
for (int j = 0; j <= depth; j++)
{
sbTab.Append("\t");
}
if (Children.Count == 0)
{
return(sbTab + string.Format("[{0,-50}][{1}:{2}] V:[{3}]", FidMeta.Description, Id, SubId, Formatting.ByteArrayToASCIIString(Value)));
}
else
{
StringBuilder childs = new StringBuilder();
foreach (FIDBase child in Children)
{
childs.AppendLine(sbTab + child.ToPrintString(ref depth));
}
return(childs.ToString());
}
}
public override string ToString()
{
return(string.Format("[{0,-50}] V:[{1}]", Name, Formatting.ByteArrayToASCIIString(Value)));
}