internal bool AllDataRequiredIsAvailable(KernelDatabaseBase database) { switch (CVMConditionCode) { case CVMConditionCode.Always: return(true); case CVMConditionCode.IfUnattendedCash: if (database.IsEmpty(EMVTagsEnum.TERMINAL_TYPE_9F35_KRN.Tag)) { return(false); } else { return(true); } case CVMConditionCode.IfManualCash: if (database.IsEmpty(EMVTagsEnum.TERMINAL_TYPE_9F35_KRN.Tag)) { return(false); } if (database.IsEmpty(EMVTagsEnum.POINTOFSERVICE_POS_ENTRY_MODE_9F39_KRN.Tag)) { return(false); } if (database.IsEmpty(EMVTagsEnum.TRANSACTION_TYPE_9C_KRN.Tag)) { return(false); } return(true); case CVMConditionCode.IfNotUnattendedCashAndNotManualCashAndNotPurchaseWithCashBack: if (database.IsEmpty(EMVTagsEnum.TERMINAL_TYPE_9F35_KRN.Tag)) { return(false); } if (database.IsEmpty(EMVTagsEnum.TRANSACTION_TYPE_9C_KRN.Tag)) { return(false); } if (database.IsEmpty(EMVTagsEnum.POINTOFSERVICE_POS_ENTRY_MODE_9F39_KRN.Tag)) { return(false); } return(true); case CVMConditionCode.IfTerminalSupportstheCVM: return(true); case CVMConditionCode.IfPurchaseWithCashBack: if (database.IsEmpty(EMVTagsEnum.TRANSACTION_TYPE_9C_KRN.Tag)) { return(false); } return(true); case CVMConditionCode.IfTransactionIsInTheApplicationCurrencyAndIsUnderX: case CVMConditionCode.IfTransactionIsInTheApplicationCurrencyAndIsOverX: case CVMConditionCode.IfTransactionIsInTheApplicationCurrencyAndIsUnderY: case CVMConditionCode.IfTransactionIsInTheApplicationCurrencyAndIsOverY: if (database.IsEmpty(EMVTagsEnum.TRANSACTION_CURRENCY_CODE_5F2A_KRN.Tag)) { return(false); } if (database.IsEmpty(EMVTagsEnum.APPLICATION_CURRENCY_CODE_9F42_KRN.Tag)) { return(false); } if (database.IsEmpty(EMVTagsEnum.AMOUNT_AUTHORISED_NUMERIC_9F02_KRN.Tag)) { return(false); } return(true); default: throw new EMVProtocolException("invalid CVM ConditionCode in Rule"); } }
public static void CVMSelection(KernelDatabaseBase database, Func <bool> kernelSupportedCallback) { CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN cvmResults = new CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN(database); //#region support for Refunds pg 177 //byte transactionType = database.Get(EMVTagsEnum.TRANSACTION_TYPE_9C_KRN).Value[0]; //if (transactionType == (byte)TransactionTypeEnum.Refund) //{ // Do_CVM_14(database, cvmResults); // return; //} //#endregion APPLICATION_INTERCHANGE_PROFILE_82_KRN aip = new APPLICATION_INTERCHANGE_PROFILE_82_KRN(database); TERMINAL_VERIFICATION_RESULTS_95_KRN tvr = new TERMINAL_VERIFICATION_RESULTS_95_KRN(database); KernelCVMEnum cvmEnum = KernelCVMEnum.N_A; CardHolderVerificationRule cvrCurrentlySelected; if (aip.Value.OnDeviceCardholderVerificationIsSupported && kernelSupportedCallback.Invoke()) { #region cvm.2 long aa = Formatting.BcdToLong(database.Get(EMVTagsEnum.AMOUNT_AUTHORISED_NUMERIC_9F02_KRN).Value); long rcvml = Formatting.BcdToLong(database.Get(EMVTagsEnum.READER_CVM_REQUIRED_LIMIT_DF8126_KRN2).Value); if (aa > rcvml) #endregion { #region cvm.4 cvmEnum = KernelCVMEnum.CONFIRMATION_CODE_VERIFIED; cvmResults.Value.CVMPerformed = 0x01; //on-device cardholder verification performed cvmResults.Value.CVMCondition = 0x00; cvmResults.Value.CVMResult = 0x02; //successful CommonRoutines.UpdateOutcomeParameterSet(database, cvmEnum); cvmResults.UpdateDB(); return; #endregion } else { #region cvm.3 cvmEnum = KernelCVMEnum.NO_CVM; cvmResults.Value.CVMPerformed = 0x3F; //No CVM performed cvmResults.Value.CVMCondition = 0x00; cvmResults.Value.CVMResult = 0x02; //successful CommonRoutines.UpdateOutcomeParameterSet(database, cvmEnum); cvmResults.UpdateDB(); return; #endregion } } #region cvm.5 if (!aip.Value.CardholderVerificationIsSupported) #endregion { #region cvm.6 cvmEnum = KernelCVMEnum.NO_CVM; cvmResults.Value.CVMPerformed = 0x3F; //No CVM performed cvmResults.Value.CVMCondition = 0x00; cvmResults.Value.CVMResult = 0x00; //unknown CommonRoutines.UpdateOutcomeParameterSet(database, cvmEnum); cvmResults.UpdateDB(); return; #endregion } #region cvm.7 if (database.IsNotPresent(EMVTagsEnum.CARDHOLDER_VERIFICATION_METHOD_CVM_LIST_8E_KRN.Tag) || database.IsEmpty(EMVTagsEnum.CARDHOLDER_VERIFICATION_METHOD_CVM_LIST_8E_KRN.Tag)) #endregion { #region cvm.8 cvmEnum = KernelCVMEnum.NO_CVM; cvmResults.Value.CVMPerformed = 0x3F; //No CVM performed cvmResults.Value.CVMCondition = 0x00; cvmResults.Value.CVMResult = 0x00; //unknown CommonRoutines.UpdateOutcomeParameterSet(database, cvmEnum); cvmResults.UpdateDB(); tvr.Value.ICCDataMissing = true; tvr.UpdateDB(); return; #endregion } #region cvm.9 CARDHOLDER_VERIFICATION_METHOD_CVM_LIST_8E_KRN cvl = new CARDHOLDER_VERIFICATION_METHOD_CVM_LIST_8E_KRN(database); #endregion BackToIterate: CVMListIterationReturn result; do { cvrCurrentlySelected = cvl.Value.CardHolderVerificationRules[database.CVMCurrentlySelectedCounter]; #region cvm.10 cvm.11 result = IterateCVM(database, cvrCurrentlySelected, cvl.Value.AmountX, cvl.Value.AmountY); #endregion database.CVMCurrentlySelectedCounter++; #region cvm.12 cvm.13 } while (database.CVMCurrentlySelectedCounter < cvl.Value.CardHolderVerificationRules.Count && result != CVMListIterationReturn.ConditionsMet); #endregion if (result != CVMListIterationReturn.ConditionsMet) { Do_CVM_14(database, cvmResults); return; } #region cvm.15 if (!cvrCurrentlySelected.IsCVMRecognised()) #endregion { #region cvm.16 tvr = new TERMINAL_VERIFICATION_RESULTS_95_KRN(database); tvr.Value.UnrecognisedCVM = true; tvr.UpdateDB(); #endregion } else { #region cvm.17 if (cvrCurrentlySelected.IsSupported(database) && cvrCurrentlySelected.GetCVMCode() != (byte)CVMCode.FailCVMProcessing) #endregion { #region cvm.18 and from EMV Book 3 Section 10.5 switch ((byte)(cvrCurrentlySelected.CVMRule & 0x3F)) { //Pin processing (U,X,Z) continues in PinProcessing Procedure after CVM Selection case (byte)CVMCode.EncipheredPINVerifiedOnline: cvmEnum = KernelCVMEnum.ONLINE_PIN; cvmResults.Value.CVMResult = 0x00; //unknown tvr.Value.OnlinePINEntered = true; break; case (byte)CVMCode.EncipheredPINVerificationPerformedByICC: case (byte)CVMCode.PlaintextPINVerificationPerformedByICC: cvmEnum = KernelCVMEnum.OFFLINE_PIN; cvmResults.Value.CVMResult = 0x00; //unknown break; case (byte)CVMCode.EncipheredPINVerificationPerformedByICCAndSignature_Paper: case (byte)CVMCode.PlaintextPINVerificationPerformedByICCAndSignature_Paper: cvmEnum = KernelCVMEnum.COMBO; cvmResults.Value.CVMResult = 0x00; //unknown break; //V in diagram case (byte)CVMCode.Signature_Paper: cvmEnum = KernelCVMEnum.OBTAIN_SIGNATURE; cvmResults.Value.CVMResult = 0x00; //unknown CommonRoutines.UpdateOutcomeParameterSet(database, true); break; //W in diagram case (byte)CVMCode.NoCVMRequired: cvmEnum = KernelCVMEnum.NO_CVM; cvmResults.Value.CVMResult = 0x02; //successful break; case (byte)CVMCode.RFU: cvmEnum = KernelCVMEnum.N_A; tvr.Value.UnrecognisedCVM = true; cvmResults.Value.CVMResult = 0x01; //failed break; default: goto BackToIterate; } #endregion cvmResults.Value.CVMPerformed = cvrCurrentlySelected.CVMRule; cvmResults.Value.CVMCondition = (byte)cvrCurrentlySelected.CVMConditionCode; cvmResults.UpdateDB(); int depth = 0; Logger.Log(cvmResults.ToPrintString(ref depth)); CommonRoutines.UpdateOutcomeParameterSet(database, cvmEnum); tvr.UpdateDB(); return; } } #region cvm.19 if (((byte)cvrCurrentlySelected.CVMConditionCode & 0x40) == (byte)CVMFailureCondition.ApplySucceedingCVRuleIfThisCVMIsUnsuccessful) #endregion { #region cvm.20 if (database.CVMCurrentlySelectedCounter < cvl.Value.CardHolderVerificationRules.Count) #endregion { #region cvm.10 goto BackToIterate; #endregion } else { Do22_25(database, cvrCurrentlySelected); return; } } else { Do22_25(database, cvrCurrentlySelected); return; } }