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");
}
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);
}