private static SignalsEnum EntryPointRA(KernelDatabase database, CardResponse cardResponse, KernelQ qManager, CardQ cardQManager, Stopwatch sw, PublicKeyCertificateManager publicKeyCertificateManager, EMVSelectApplicationResponse emvSelectApplicationResponse)
{
if (!cardResponse.ApduResponse.Succeeded)
{
return(State_7_10_CommonProcessing.DoInvalidResponsePart_C(database, qManager, L1Enum.NOT_SET, L2Enum.STATUS_BYTES, L3Enum.NOT_SET));
}
bool parsingResult = false;
if (cardResponse.ApduResponse.ResponseData.Length > 0 && cardResponse.ApduResponse.ResponseData[0] == 0x77)
{
EMVGenerateACResponse response = cardResponse.ApduResponse as EMVGenerateACResponse;
parsingResult = database.ParseAndStoreCardResponse(response.ResponseData);
}
else
{
if (cardResponse.ApduResponse.ResponseData.Length > 0 && cardResponse.ApduResponse.ResponseData[0] == 0x80)
{
if (cardResponse.ApduResponse.ResponseData.Length < 11 ||
cardResponse.ApduResponse.ResponseData.Length > 43 ||
database.IsNotEmpty(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN.Tag) ||
database.IsNotEmpty(EMVTagsEnum.APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN.Tag) ||
database.IsNotEmpty(EMVTagsEnum.APPLICATION_CRYPTOGRAM_9F26_KRN.Tag) ||
(cardResponse.ApduResponse.ResponseData.Length > 11 &&
database.IsNotEmpty(EMVTagsEnum.ISSUER_APPLICATION_DATA_9F10_KRN.Tag))
)
{
parsingResult = false;
}
else
{
byte[] responseBuffer = new byte[cardResponse.ApduResponse.ResponseData.Length - 2];
Array.Copy(cardResponse.ApduResponse.ResponseData, 2, responseBuffer, 0, responseBuffer.Length);
database.AddToList(TLV.Create(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN.Tag, new byte[] { responseBuffer[0] }));
database.AddToList(TLV.Create(EMVTagsEnum.APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN.Tag, new byte[] { responseBuffer[1], responseBuffer[2] }));
byte[] ac = new byte[8];
Array.Copy(responseBuffer, 3, ac, 0, 8);
database.AddToList(TLV.Create(EMVTagsEnum.APPLICATION_CRYPTOGRAM_9F26_KRN.Tag, ac));
if (responseBuffer.Length > 11)
{
byte[] iad = new byte[responseBuffer.Length - 11];
Array.Copy(responseBuffer, 11, iad, 0, iad.Length);
database.AddToList(TLV.Create(EMVTagsEnum.ISSUER_APPLICATION_DATA_9F10_KRN.Tag, iad));
}
parsingResult = true;
}
}
}
if (!parsingResult)
{
return(State_7_10_CommonProcessing.DoInvalidResponsePart_C(database, qManager, L1Enum.NOT_SET, L2Enum.PARSING_ERROR, L3Enum.NOT_SET));
}
if (!(database.IsNotEmpty(EMVTagsEnum.APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN.Tag) &&
database.IsNotEmpty(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN.Tag)))
{
return(State_7_10_CommonProcessing.DoInvalidResponsePart_C(database, qManager, L1Enum.NOT_SET, L2Enum.CARD_DATA_MISSING, L3Enum.NOT_SET));
}
REFERENCE_CONTROL_PARAMETER_DF8114_KRN2 rcp = new REFERENCE_CONTROL_PARAMETER_DF8114_KRN2(database);
if (!
(((database.Get(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN).Value[0] & 0xC0) == 0x40 && rcp.Value.ACTypeEnum == ACTypeEnum.TC) ||
((database.Get(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN).Value[0] & 0xC0) == 0x80 && (rcp.Value.ACTypeEnum == ACTypeEnum.TC || rcp.Value.ACTypeEnum == ACTypeEnum.ARQC)) ||
((database.Get(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN).Value[0] & 0xC0) == 0x00))
)
{
return(State_7_10_CommonProcessing.DoInvalidResponsePart_C(database, qManager, L1Enum.NOT_SET, L2Enum.CARD_DATA_MISSING, L3Enum.NOT_SET));
}
APPLICATION_INTERCHANGE_PROFILE_82_KRN aip = new APPLICATION_INTERCHANGE_PROFILE_82_KRN(database);
TERMINAL_CAPABILITIES_9F33_KRN tc = new TERMINAL_CAPABILITIES_9F33_KRN(database);
TERMINAL_VERIFICATION_RESULTS_95_KRN tvr = new TERMINAL_VERIFICATION_RESULTS_95_KRN(database);
if (aip.Value.CDASupported && tc.Value.CDACapable)
{
string aid = emvSelectApplicationResponse.GetDFName();
string rid = aid.Substring(0, 10);
RIDEnum ridEnum = (RIDEnum)Enum.Parse(typeof(RIDEnum), rid);
CAPublicKeyCertificate capk = database.PublicKeyCertificateManager.GetCAPK(ridEnum, database.Get(EMVTagsEnum.CERTIFICATION_AUTHORITY_PUBLIC_KEY_INDEX_8F_KRN).Value[0]);
if (capk == null)
{
tvr.Value.CDAFailed = true;
tvr.UpdateDB();
}
if (database.IsNotEmpty(EMVTagsEnum.SIGNED_DYNAMIC_APPLICATION_DATA_9F4B_KRN.Tag))
{
State_7_10_CommonProcessing.DoCDA(database, qManager, capk, cardQManager, cardResponse, emvSelectApplicationResponse, true);
}
else
{
tvr.Value.CDAFailed = true;
tvr.UpdateDB();
}
}
else
{
if (aip.Value.DDAsupported && tc.Value.DDACapable)
{
//oda was done already in waiting for internal authenticate
}
else
{
if (aip.Value.SDASupported && tc.Value.SDACapable)
{
//sda was done already in card action analysis
}
}
}
//check for offline approved or declined, if so end transaction
if ((database.Get(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN).Value[0] & 0xC0) == 0x40 ||
(database.Get(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN).Value[0] & 0xC0) == 0x00)
{
return(State_7_10_CommonProcessing.EndOnTCorAAC(database, qManager, cardQManager));
}
else
{
CommonRoutines.CreateEMVDataRecord(database);
CommonRoutines.CreateEMVDiscretionaryData(database);
qManager.EnqueueToOutput(new KernelOnlineResponse(database.Get(EMVTagsEnum.DATA_RECORD_FF8105_KRN2), database.Get(EMVTagsEnum.DISCRETIONARY_DATA_FF8106_KRN2)));
return(SignalsEnum.WAITING_FOR_ONLINE_RESPONSE);
}
}
private static SignalsEnum ProcessNextCVM(KernelDatabase database, KernelQ qManager, CardQ cardQManager, Stopwatch sw)
{
CARDHOLDER_VERIFICATION_METHOD_CVM_LIST_8E_KRN cvl = new CARDHOLDER_VERIFICATION_METHOD_CVM_LIST_8E_KRN(database);
CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN cvr = new CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN(database);
bool goToNextCVM = false;
if (cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerifiedOnline)
{
if (cvr.Value.GetCVMResult() == CVMResult.Failed)
{
goToNextCVM = true;
}
}
else
{
//if a previously run CVM failed then state returns here and we try the next CVM
if (cvr.Value.GetCVMResult() != CVMResult.Success)
{
goToNextCVM = true;
}
}
if (goToNextCVM && database.CVMCurrentlySelectedCounter < cvl.Value.CardHolderVerificationRules.Count)
{
//if previous cvm was offline pin, check pin try counter
if (cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerificationPerformedByICC ||
cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerificationPerformedByICCAndSignature_Paper ||
cvr.Value.GetCVMPerformed() == CVMCode.PlaintextPINVerificationPerformedByICC ||
cvr.Value.GetCVMPerformed() == CVMCode.PlaintextPINVerificationPerformedByICCAndSignature_Paper)
{
TLV pinTryCounterTLV = database.Get(EMVTagsEnum.PERSONAL_IDENTIFICATION_NUMBER_PIN_TRY_COUNTER_9F17_KRN);
if (pinTryCounterTLV != null)
{
ushort pinTryCounter = Formatting.ConvertToInt16(pinTryCounterTLV.Value);
if (pinTryCounter > 1) //at this point the pin try counter on the card is 0, we are always 1 behind
{
qManager.EnqueueToOutput(new KernelPinResponse());
return(SignalsEnum.WAITING_FOR_PIN_RESPONSE);
}
}
}
#region Book 3 Section 10.5
CVMSelection_7_5.CVMSelection(database, new Func <bool>(() => { return(true); }));
cvr = new CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN(database);//update after calling cvm selection
#endregion
if (cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerificationPerformedByICC ||
cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerificationPerformedByICCAndSignature_Paper ||
cvr.Value.GetCVMPerformed() == CVMCode.PlaintextPINVerificationPerformedByICC ||
cvr.Value.GetCVMPerformed() == CVMCode.PlaintextPINVerificationPerformedByICCAndSignature_Paper ||
cvr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerifiedOnline)
{
qManager.EnqueueToOutput(new KernelPinResponse());
return(SignalsEnum.WAITING_FOR_PIN_RESPONSE);
}
if (cvr.Value.GetCVMResult() == CVMResult.Failed)
{
return(SignalsEnum.WAITING_FOR_CVM_PROCESSING);
}
}
if (cvr.Value.GetCVMPerformed() != CVMCode.NoCVMDone)
{
TRANSACTION_STATUS_INFORMATION_9B_KRN tsi = new TRANSACTION_STATUS_INFORMATION_9B_KRN(database);
tsi.Value.CardholderVerificationWasPerformed = true;
tsi.UpdateDB();
}
#region Book 3 Section 10.6
//Terminal Risk Management
TLV lcol = database.Get(EMVTagsEnum.LOWER_CONSECUTIVE_OFFLINE_LIMIT_9F14_KRN);
TLV ucol = database.Get(EMVTagsEnum.UPPER_CONSECUTIVE_OFFLINE_LIMIT_9F23_KRN);
if (lcol != null && ucol != null)
{
EMVGetDataRequest requestATC = new EMVGetDataRequest(Formatting.HexStringToByteArray(EMVTagsEnum.APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN.Tag));
EMVGetDataRequest requestLastOnlineATC = new EMVGetDataRequest(Formatting.HexStringToByteArray(EMVTagsEnum.LAST_ONLINE_APPLICATION_TRANSACTION_COUNTER_ATC_REGISTER_9F13_KRN.Tag));
cardQManager.EnqueueToInput(new CardRequest(requestATC, CardinterfaceServiceRequestEnum.ADPU));
cardQManager.EnqueueToInput(new CardRequest(requestLastOnlineATC, CardinterfaceServiceRequestEnum.ADPU));
}
//Get Floor Limit Data
if (database.IsEmpty(EMVTagsEnum.TERMINAL_FLOOR_LIMIT_9F1B_KRN.Tag))
{
DATA_NEEDED_DF8106_KRN2 dataNeeded = new DATA_NEEDED_DF8106_KRN2(database);
dataNeeded.Value.Tags.Add(EMVTagsEnum.TERMINAL_FLOOR_LIMIT_9F1B_KRN.Tag);
dataNeeded.UpdateDB();
CommonRoutines.PostDEK(database, qManager);
database.Get(EMVTagsEnum.DATA_TO_SEND_FF8104_KRN2).Initialize();
database.Get(EMVTagsEnum.DATA_NEEDED_DF8106_KRN2).Initialize();
}
qManager.EnqueueToOutput(new KernelTRMResponse());
return(SignalsEnum.WAITING_FOR_TERMINAL_RISK_MANAGEMENT);
#endregion
}
