private static bool VerifySDAD_Summaries_42(Kernel2Database database, CAPublicKeyCertificate capk, CardResponse cardResponse)
{
ICCDynamicData iccdd = VerifySAD.VerifySDAD(ICCDynamicDataType.IDS, true, database, database.StaticDataToBeAuthenticated, capk, cardResponse);
if (iccdd == null)
{
return(false);
}
AddSDADDataToDatabase(database, iccdd);
TLV ds2 = database.Get(EMVTagsEnum.DS_SUMMARY_2_DF8101_KRN2);
TLV ds3 = database.Get(EMVTagsEnum.DS_SUMMARY_3_DF8102_KRN2);
if (ds2 == null && iccdd.DSSummary2 != null)
{
ds2 = TLV.Create(EMVTagsEnum.DS_SUMMARY_2_DF8101_KRN2.Tag);
}
if (ds3 == null && iccdd.DSSummary3 != null)
{
ds3 = TLV.Create(EMVTagsEnum.DS_SUMMARY_3_DF8102_KRN2.Tag);
}
if (iccdd.DSSummary2 != null)
{
ds2.Value = iccdd.DSSummary2;
}
if (iccdd.DSSummary3 != null)
{
ds3.Value = iccdd.DSSummary3;
}
return(true);
}
private static bool VerifySDAD_9_10__4(Kernel2Database database, CAPublicKeyCertificate capk, CardResponse cardResponse)
{
ICCDynamicData iccdd = VerifySAD.VerifySDAD(ICCDynamicDataType.NO_IDS_OR_RRP, true, database, database.StaticDataToBeAuthenticated, capk, cardResponse);
if (iccdd == null)
{
return(false);
}
VerifySAD.AddSDADDataToDatabase(database, iccdd);
return(true);
}
public static bool DoDDA(KernelDatabaseBase database, KernelQ qManager, CAPublicKeyCertificate capk, TLV sdadTLV)
{
try
{
TRANSACTION_STATUS_INFORMATION_9B_KRN tsi = new TRANSACTION_STATUS_INFORMATION_9B_KRN(database);
tsi.Value.OfflineDataAuthenticationWasPerformed = true;
tsi.UpdateDB();
if (database.Get(EMVTagsEnum.CERTIFICATION_AUTHORITY_PUBLIC_KEY_INDEX_8F_KRN) == null)
{
return(false);
}
if (capk == null)
{
return(false);
}
TLV aip = database.Get(EMVTagsEnum.APPLICATION_INTERCHANGE_PROFILE_82_KRN.Tag);
int length = database.StaticDataToBeAuthenticated.Serialize().Length;
if (aip != null && database.IsNotEmpty(EMVTagsEnum.STATIC_DATA_AUTHENTICATION_SDA_TAG_LIST_9F4A_KRN3.Tag))
{
if (2048 - length >= aip.Value.Length)
{
database.StaticDataToBeAuthenticated.AddToList(database.Get(EMVTagsEnum.APPLICATION_INTERCHANGE_PROFILE_82_KRN));
}
else
{
return(false);
}
}
if (sdadTLV != null)
{
ICCDynamicData iccdd = VerifySAD.VerifySDAD(ICCDynamicDataType.DYNAMIC_NUMBER_ONLY, database, capk, sdadTLV.Value);
if (iccdd == null)
{
return(false);
}
VerifySAD.AddSDADDataToDatabase(database, iccdd);
return(true);
}
return(false);
}
catch
{
return(false);
}
}
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 SignalsEnum EntryPointRA(KernelDatabase database, CardResponse cardResponse, KernelQ qManager, CardQ cardQManager, Stopwatch sw, PublicKeyCertificateManager publicKeyCertificateManager, EMVSelectApplicationResponse emvSelectApplicationResponse)
{
if (!cardResponse.ApduResponse.Succeeded)
{
return(CommonRoutines.PostOutcome(database, qManager,
KernelMessageidentifierEnum.N_A,
KernelStatusEnum.N_A,
null,
Kernel2OutcomeStatusEnum.END_APPLICATION,
Kernel2StartEnum.N_A,
true,
KernelMessageidentifierEnum.ERROR_OTHER_CARD,
L1Enum.NOT_SET,
cardResponse.ApduResponse.SW12,
L2Enum.STATUS_BYTES,
L3Enum.NOT_SET));
}
EMVInternalAuthenticateResponse response = cardResponse.ApduResponse as EMVInternalAuthenticateResponse;
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]);
#region 3.8.1.1
bool ddaPassed = DoDDA(database, qManager, capk, response.GetTLVSignedApplicationData());
#endregion
if (!ddaPassed)
{
TERMINAL_VERIFICATION_RESULTS_95_KRN tvr = new TERMINAL_VERIFICATION_RESULTS_95_KRN(database);
tvr.Value.DDAFailed = true;
tvr.UpdateDB();
}
TLV cdol1 = database.Get(EMVTagsEnum.CARD_RISK_MANAGEMENT_DATA_OBJECT_LIST_1_CDOL1_8C_KRN);
CommonRoutines.PackRelatedDataTag(database, EMVTagsEnum.CDOL1_RELATED_DATA_DF8107_KRN2, cdol1);
REFERENCE_CONTROL_PARAMETER_DF8114_KRN2 rcpST = new REFERENCE_CONTROL_PARAMETER_DF8114_KRN2(database);
rcpST.Value.ACTypeEnum = database.ACType.Value.DSACTypeEnum;
rcpST.Value.CDASignatureRequested = false;
rcpST.UpdateDB();
EMVGenerateACRequest request = new EMVGenerateACRequest(database.Get(EMVTagsEnum.CDOL1_RELATED_DATA_DF8107_KRN2), null, rcpST);
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_GEN_AC_1);
}
private static bool VerifySDAD_CheckRelayData_43_1(Kernel2Database database, CAPublicKeyCertificate capk, CardResponse cardResponse)
{
ICCDynamicData iccdd = VerifySAD.VerifySDAD(ICCDynamicDataType.RRP, true, database, database.StaticDataToBeAuthenticated, capk, cardResponse);
if (iccdd == null)
{
return(false);
}
AddSDADDataToDatabase(database, iccdd);
string s1 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.TERMINAL_RELAY_RESISTANCE_ENTROPY_DF8301_KRN2).Value);
string s2 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.DEVICE_RELAY_RESISTANCE_ENTROPY_DF8302_KRN2).Value);
string s3 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.MIN_TIME_FOR_PROCESSING_RELAY_RESISTANCE_APDU_DF8303_KRN2).Value);
string s4 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.MAX_TIME_FOR_PROCESSING_RELAY_RESISTANCE_APDU_DF8304_KRN2).Value);
string s5 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.DEVICE_ESTIMATED_TRANSMISSION_TIME_FOR_RELAY_RESISTANCE_RAPDU_DF8305_KRN2).Value);
if (s1 != Formatting.ByteArrayToHexString(iccdd.Terminal_Relay_Resistance_Entropy))
{
return(false);
}
if (s2 != Formatting.ByteArrayToHexString(iccdd.Device_Relay_Resistance_Entropy))
{
return(false);
}
if (s3 != Formatting.ByteArrayToHexString(iccdd.Min_Time_For_Processing_Relay_Resistance_APDU))
{
return(false);
}
if (s4 != Formatting.ByteArrayToHexString(iccdd.Max_Time_For_Processing_Relay_Resistance_APDU))
{
return(false);
}
if (s5 != Formatting.ByteArrayToHexString(iccdd.Device_Estimated_Transmission_Time_For_Relay_Resistance_R_APDU))
{
return(false);
}
return(true);
}
public static bool DoCDA(KernelDatabase database, KernelQ qManager, CAPublicKeyCertificate capk, CardQ cardQManager, CardResponse cardResponse, EMVSelectApplicationResponse emvSelectApplicationResponse, bool isFirstGenAC)
{
//#region 9_10.2
TERMINAL_VERIFICATION_RESULTS_95_KRN tvr = new TERMINAL_VERIFICATION_RESULTS_95_KRN(database);
TRANSACTION_STATUS_INFORMATION_9B_KRN tsi = new TRANSACTION_STATUS_INFORMATION_9B_KRN(database);
tsi.Value.OfflineDataAuthenticationWasPerformed = true;
tsi.UpdateDB();
bool cdaSucceeded = VerifySDAD_CDA(database, capk, cardResponse, isFirstGenAC);
if (!cdaSucceeded)
{
tvr.Value.CDAFailed = true;
tvr.UpdateDB();
return(false);
}
else
{
return(true);
}
}
public static byte[] BuildPinVerifyData(KernelDatabaseBase database, CAPublicKeyCertificate caPublicKey, byte[] pinBlock, byte[] challenge)
{
IssuerPublicKeyCertificate ipk = IssuerPublicKeyCertificate.BuildAndValidatePublicKey(database, caPublicKey.Modulus, caPublicKey.Exponent);
if (ipk == null)
{
return(null);
}
int keyLength = 0;
PublicKeyCertificate iccKey = IccPinKeyCertificate.BuildAndValidatePublicKey(database, ipk.Modulus, ipk.Exponent);
if (iccKey == null)
{
iccKey = IccPublicKeyCertificate.BuildAndValidatePublicKey(database, database.StaticDataToBeAuthenticated, ipk.Modulus, ipk.Exponent);
if (iccKey == null)
{
return(null);
}
keyLength = ((IccPublicKeyCertificate)iccKey).ICCPublicKeyLength;
}
else
{
keyLength = ((IccPinKeyCertificate)iccKey).ICCPinKeyLength;
}
int paddingLength = keyLength - 17;
byte[] padding = new byte[paddingLength];
byte[] pinData = Formatting.ConcatArrays(new byte[] { 0x7F }, pinBlock, challenge, padding);
//apply recovery function
byte[] encryptedPin = PublicKeyCertificate.DecryptRSA(pinData, iccKey.Modulus, iccKey.Exponent);
return(encryptedPin);
}
private static SignalsEnum ProcessGenACCommand(KernelDatabase database, CardResponse cardResponse, KernelQ qManager, CardQ cardQManager, Stopwatch sw, PublicKeyCertificateManager publicKeyCertificateManager, EMVSelectApplicationResponse emvSelectApplicationResponse)
{
//remove values stored during 1st gen ac
database.RemoveFromList(database.Get(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN.Tag));
database.RemoveFromList(database.Get(EMVTagsEnum.APPLICATION_TRANSACTION_COUNTER_ATC_9F36_KRN.Tag));
database.RemoveFromList(database.Get(EMVTagsEnum.APPLICATION_CRYPTOGRAM_9F26_KRN.Tag));
database.RemoveFromList(database.Get(EMVTagsEnum.ISSUER_APPLICATION_DATA_9F10_KRN.Tag));
//will only exist if CDA was perfomred after 1st gen ac
database.RemoveFromList(database.Get(EMVTagsEnum.SIGNED_DYNAMIC_APPLICATION_DATA_9F4B_KRN.Tag));
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));
}
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);
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));
}
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, false);
}
else
{
tvr.Value.CDAFailed = true;
tvr.UpdateDB();
}
}
return(State_7_10_CommonProcessing.EndOnTCorAAC(database, qManager, cardQManager));
}
private static bool VerifySDAD_Summaries_CheckRelayData_9_10__3_1(Kernel2Database database, CAPublicKeyCertificate capk, CardResponse cardResponse)
{
ICCDynamicData iccdd = VerifySAD.VerifySDAD(ICCDynamicDataType.IDS_AND_RRP, true, database, database.StaticDataToBeAuthenticated, capk, cardResponse);
if (iccdd == null)
{
return(false);
}
VerifySAD.AddSDADDataToDatabase(database, iccdd);
TLV ds2 = database.Get(EMVTagsEnum.DS_SUMMARY_2_DF8101_KRN2);
TLV ds3 = database.Get(EMVTagsEnum.DS_SUMMARY_3_DF8102_KRN2);
if (ds2 == null && iccdd.DSSummary2 != null)
{
ds2 = TLV.Create(EMVTagsEnum.DS_SUMMARY_2_DF8101_KRN2.Tag, iccdd.DSSummary2);
database.AddToList(ds2);
}
if (ds3 == null && iccdd.DSSummary3 != null)
{
ds3 = TLV.Create(EMVTagsEnum.DS_SUMMARY_3_DF8102_KRN2.Tag, iccdd.DSSummary3);
database.AddToList(ds3);
}
if (iccdd.DSSummary2 != null)
{
ds2.Value = iccdd.DSSummary2;
}
if (iccdd.DSSummary3 != null)
{
ds3.Value = iccdd.DSSummary3;
}
string s1 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.TERMINAL_RELAY_RESISTANCE_ENTROPY_DF8301_KRN2).Value);
string s2 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.DEVICE_RELAY_RESISTANCE_ENTROPY_DF8302_KRN2).Value);
string s3 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.MIN_TIME_FOR_PROCESSING_RELAY_RESISTANCE_APDU_DF8303_KRN2).Value);
string s4 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.MAX_TIME_FOR_PROCESSING_RELAY_RESISTANCE_APDU_DF8304_KRN2).Value);
string s5 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.DEVICE_ESTIMATED_TRANSMISSION_TIME_FOR_RELAY_RESISTANCE_RAPDU_DF8305_KRN2).Value);
if (s1 != Formatting.ByteArrayToHexString(iccdd.Terminal_Relay_Resistance_Entropy))
{
return(false);
}
if (s2 != Formatting.ByteArrayToHexString(iccdd.Device_Relay_Resistance_Entropy))
{
return(false);
}
if (s3 != Formatting.ByteArrayToHexString(iccdd.Min_Time_For_Processing_Relay_Resistance_APDU))
{
return(false);
}
if (s4 != Formatting.ByteArrayToHexString(iccdd.Max_Time_For_Processing_Relay_Resistance_APDU))
{
return(false);
}
if (s5 != Formatting.ByteArrayToHexString(iccdd.Device_Estimated_Transmission_Time_For_Relay_Resistance_R_APDU))
{
return(false);
}
return(true);
}
public static SignalsEnum DoCDA9_10_1(Kernel2Database database, KernelQ qManager, PublicKeyCertificateManager publicKeyCertificateManager, CardQ cardQManager, CardResponse cardResponse)
{
CAPublicKeyCertificate capk = publicKeyCertificateManager.GetCAPK(RIDEnum.A000000004, database.Get(EMVTagsEnum.CERTIFICATION_AUTHORITY_PUBLIC_KEY_INDEX_8F_KRN).Value[0]);
if (capk == null)
{
#region 9_10.1
return(DoPart_F(database, qManager, cardResponse));
#endregion
}
else
{
#region 9_10.2
IDS_STATUS_DF8128_KRN2 ids = new IDS_STATUS_DF8128_KRN2(database);
TERMINAL_VERIFICATION_RESULTS_95_KRN tvr = new TERMINAL_VERIFICATION_RESULTS_95_KRN(database);
if (ids.Value.IsRead)
#endregion
{
bool successIDSRead = false;
#region 9_10.2.2
if (tvr.Value.RelayResistancePerformedEnum == RelayResistancePerformedEnum.RRP_PERFORMED)
#endregion
{
#region 9_10.3.1
successIDSRead = VerifySDAD_Summaries_CheckRelayData_9_10__3_1(database, capk, cardResponse);
#endregion
}
else
{
#region 9_10.3
successIDSRead = VerifySDAD_Summaries_9_10__3(database, capk, cardResponse);
#endregion
}
#region 9_10.3.5
if (!successIDSRead)
#endregion
{
return(DoPart_F(database, qManager, cardResponse));
}
else
{
#region 9_10.8
string dbds1 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.DS_SUMMARY_1_9F7D_KRN2).Value);
if (!database.IsNotEmpty(EMVTagsEnum.DS_SUMMARY_2_DF8101_KRN2.Tag))
#endregion
{
#region 9_10.9
return(DoInvalidResponsePart_C(database, qManager, L1Enum.NOT_SET, L2Enum.CARD_DATA_MISSING, L3Enum.NOT_SET));
#endregion
}
#region 9_10.10
string dbds2 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.DS_SUMMARY_2_DF8101_KRN2).Value);
if (dbds1 != dbds2)
#endregion
{
#region 9_10.11
return(DoInvalidResponsePart_C(database, qManager, L1Enum.NOT_SET, L2Enum.IDS_READ_ERROR, L3Enum.NOT_SET));
#endregion
}
#region 9_10.12
byte dsss = database.Get(EMVTagsEnum.DS_SUMMARY_STATUS_DF810B_KRN2).Value[0];
dsss = (byte)(dsss | 0x80); //set succesful read
database.Get(EMVTagsEnum.DS_SUMMARY_STATUS_DF810B_KRN2).Value[0] = dsss;
#endregion
#region 9_10.13
if (!ids.Value.IsWrite)
#endregion
{
#region 9_10.70
return(DoPart_E(database, qManager, cardQManager));
#endregion
}
else
{
#region 9_10.14
if (!database.IsPresent(EMVTagsEnum.DS_SUMMARY_3_DF8102_KRN2.Tag))
#endregion
{
#region 9_10.15
return(DoInvalidResponsePart_C(database, qManager, L1Enum.NOT_SET, L2Enum.CARD_DATA_MISSING, L3Enum.NOT_SET));
#endregion
}
else
{
#region 9_10.16
string dbds3 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.DS_SUMMARY_3_DF8102_KRN2).Value);
if (dbds2 == dbds3)
#endregion
{
#region 9_10.18
byte dsodsifr = database.Get(EMVTagsEnum.DS_ODS_INFO_FOR_READER_DF810A_KRN2).Value[0];
if ((dsodsifr & 0x02) == 0x02) //stop if write set
#endregion
{
#region 9_10.19
return(DoInvalidResponsePart_D(database, qManager, L1Enum.NOT_SET, L2Enum.IDS_WRITE_ERROR, L3Enum.NOT_SET));
#endregion
}
else
{
return(DoPart_E(database, qManager, cardQManager));
}
}
else
{
#region 9_10.17
dsss = (byte)(dsss | 0x40); //set succesful write
database.Get(EMVTagsEnum.DS_SUMMARY_STATUS_DF810B_KRN2).Value[0] = dsss;
return(DoPart_E(database, qManager, cardQManager));
#endregion
}
}
}
}
}
else
{
bool successIDSNotRead = false;
#region 9_10.2.1
if (tvr.Value.RelayResistancePerformedEnum == RelayResistancePerformedEnum.RRP_PERFORMED)
#endregion
{
#region 9_10.4.1
successIDSNotRead = VerifySDAD_CheckRelayData_9_10__4_1(database, capk, cardResponse);
#endregion
}
else
{
#region 9_10.4
successIDSNotRead = VerifySDAD_9_10__4(database, capk, cardResponse);
#endregion
}
#region 9_10.6
if (!successIDSNotRead)
#endregion
{
return(DoPart_F(database, qManager, cardResponse));
}
else
{
return(DoPart_E(database, qManager, cardQManager));
}
}
}
}
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 DoCDAPart_A(Kernel2Database database, KernelQ qManager, PublicKeyCertificateManager publicKeyCertificateManager, CardQ cardQManager, CardResponse cardResponse)
{
#region 11.40
CAPublicKeyCertificate capk = publicKeyCertificateManager.GetCAPK(RIDEnum.A000000004, database.Get(EMVTagsEnum.CERTIFICATION_AUTHORITY_PUBLIC_KEY_INDEX_8F_KRN).Value[0]);
#endregion
if (capk == null)
{
#region 11.46
return(DoPart_F(database, qManager, cardResponse));
#endregion
}
else
{
#region 11.41
IDS_STATUS_DF8128_KRN2 ids = new IDS_STATUS_DF8128_KRN2(database);
TERMINAL_VERIFICATION_RESULTS_95_KRN tvr = new TERMINAL_VERIFICATION_RESULTS_95_KRN(database);
if (ids.Value.IsRead)
#endregion
{
bool successIDSRead = false;
#region 11.41.2
if (tvr.Value.RelayResistancePerformedEnum == RelayResistancePerformedEnum.RRP_PERFORMED)
#endregion
{
#region 11.42.1
successIDSRead = VerifySDAD_Summaries_CheckRelayData_42_1(database, capk, cardResponse);
#endregion
}
else
{
#region 11.42
successIDSRead = VerifySDAD_Summaries_42(database, capk, cardResponse);
#endregion
}
if (!successIDSRead)
{
#region 11.46
return(DoPart_F(database, qManager, cardResponse));
#endregion
}
else
{
#region
return(DoPart_E(database, qManager, cardQManager));
#endregion
}
}
else
{
bool successIDSNotRead = false;
#region 11.41.1
if (tvr.Value.RelayResistancePerformedEnum == RelayResistancePerformedEnum.RRP_PERFORMED)
#endregion
{
#region 11.43.1
successIDSNotRead = VerifySDAD_CheckRelayData_43_1(database, capk, cardResponse);
#endregion
}
else
{
#region 11.43
successIDSNotRead = VerifySDAD_43(database, capk, cardResponse);
#endregion
}
if (!successIDSNotRead)
{
#region 11.46
return(DoPart_F(database, qManager, cardResponse));
#endregion
}
else
{
#region 11.47
IDS_STATUS_DF8128_KRN2.IDS_STATUS_DF8128_KRN2_VALUE idsV = new IDS_STATUS_DF8128_KRN2.IDS_STATUS_DF8128_KRN2_VALUE(EMVTagsEnum.IDS_STATUS_DF8128_KRN2.DataFormatter);
idsV.Deserialize(database.TornTempRecord.Children.Get(EMVTagsEnum.IDS_STATUS_DF8128_KRN2.Tag).Value, 0);
string dbds1 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.DS_SUMMARY_1_9F7D_KRN2).Value);
if (idsV.IsWrite)
#endregion
{
#region 11.48
string ttrds1 = Formatting.ByteArrayToHexString(database.TornTempRecord.Children.Get(EMVTagsEnum.DS_SUMMARY_1_9F7D_KRN2.Tag).Value);
if (dbds1 != ttrds1)
#endregion
{
#region 11.49
return(DoInvalidResponsePart_C(database, qManager, cardResponse, KernelMessageidentifierEnum.N_A, L1Enum.NOT_SET, L2Enum.IDS_READ_ERROR, L3Enum.NOT_SET));
#endregion
}
}
#region 11.50
if (!database.IsPresent(EMVTagsEnum.DS_SUMMARY_2_DF8101_KRN2.Tag))
#endregion
{
#region 11.51
return(DoInvalidResponsePart_C(database, qManager, cardResponse, KernelMessageidentifierEnum.N_A, L1Enum.NOT_SET, L2Enum.CARD_DATA_MISSING, L3Enum.NOT_SET));
#endregion
}
#region 11.52
string dbds2 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.DS_SUMMARY_2_DF8101_KRN2).Value);
if (dbds1 != dbds2)
#endregion
{
#region 11.53
return(DoInvalidResponsePart_C(database, qManager, cardResponse, KernelMessageidentifierEnum.N_A, L1Enum.NOT_SET, L2Enum.IDS_READ_ERROR, L3Enum.NOT_SET));
#endregion
}
#region 11.54
byte dsss = database.Get(EMVTagsEnum.DS_SUMMARY_STATUS_DF810B_KRN2).Value[0];
dsss = (byte)(dsss | 0x80); //set succesful read
database.Get(EMVTagsEnum.DS_SUMMARY_STATUS_DF810B_KRN2).Value[0] = dsss;
#endregion
#region 11.55
if (!ids.Value.IsWrite)
#endregion
{
#region 11.110
return(DoPart_E(database, qManager, cardQManager));
#endregion
}
else
{
#region 11.56
if (!database.IsPresent(EMVTagsEnum.DS_SUMMARY_3_DF8102_KRN2.Tag))
#endregion
{
#region 11.57
return(DoInvalidResponsePart_C(database, qManager, cardResponse, KernelMessageidentifierEnum.N_A, L1Enum.NOT_SET, L2Enum.CARD_DATA_MISSING, L3Enum.NOT_SET));
#endregion
}
else
{
#region 11.58
string dbds3 = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.DS_SUMMARY_3_DF8102_KRN2).Value);
if (dbds2 == dbds3)
#endregion
{
#region 11.60
byte dsodsifr = database.Get(EMVTagsEnum.DS_ODS_INFO_FOR_READER_DF810A_KRN2).Value[0];
if ((dsodsifr & 0x02) == 0x02) //stop if write set
#endregion
{
#region 11.61
CommonRoutines.UpdateErrorIndication(database, cardResponse, L1Enum.NOT_SET, L2Enum.IDS_WRITE_ERROR, L3Enum.NOT_SET);
#endregion
return(DoInvalidResponsePart_D(database, qManager));
}
else
{
return(DoPart_E(database, qManager, cardQManager));
}
}
else
{
#region 11.59
dsss = (byte)(dsss | 0x40); //set succesful write
database.Get(EMVTagsEnum.DS_SUMMARY_STATUS_DF810B_KRN2).Value[0] = dsss;
return(DoPart_E(database, qManager, cardQManager));
#endregion
}
}
}
}
}
}
}
public static SignalsEnum InitiateCardActionAnalysis(KernelDatabaseBase database, KernelQ qManager, CardQ cardQManager, EMVSelectApplicationResponse emvSelectApplicationResponse)
{
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);
//time to get signature data for dda cards, in order to do oda after 1st gen ac
EMVGenerateACRequest request = null;
if (aip.Value.CDASupported && tc.Value.CDACapable)
{
//cda done after gen ac 1, call gen ac1 now with signature requested
request = CreateGenAC(database, true);
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_GEN_AC_1);
}
if (aip.Value.DDAsupported && tc.Value.DDACapable)
{
#region Book 3 Section 10.3
//do dda signature request, internal authenticate will do oda once it has the signature
TLV ddol = database.Get(EMVTagsEnum.DYNAMIC_DATA_AUTHENTICATION_DATA_OBJECT_LIST_DDOL_9F49_KRN);
byte[] ddolRelatedData;
if (ddol == null)
{
TLV unpred = database.Get(EMVTagsEnum.UNPREDICTABLE_NUMBER_9F37_KRN);
unpred.Val.PackValue(unpred.Val.GetLength());
ddolRelatedData = unpred.Value;
}
else
{
ddolRelatedData = CommonRoutines.PackRelatedDataTag(database, ddol);
}
EMVInternalAuthenticateRequest requestDDA = new EMVInternalAuthenticateRequest(ddolRelatedData);
cardQManager.EnqueueToInput(new CardRequest(requestDDA, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_INTERNAL_AUTHENTICATE);
#endregion
}
if (aip.Value.SDASupported && tc.Value.SDACapable)
{
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]);
TLV ssadTLV = database.Get(EMVTagsEnum.SIGNED_STATIC_APPLICATION_DATA_93_KRN);
if (capk == null || ssadTLV == null)
{
tvr.Value.SDAFailed = true;
tvr.UpdateDB();
}
else
{
TRANSACTION_STATUS_INFORMATION_9B_KRN tsi = new TRANSACTION_STATUS_INFORMATION_9B_KRN(database);
tsi.Value.OfflineDataAuthenticationWasPerformed = true;
tsi.UpdateDB();
byte[] sdadRaw = database.Get(EMVTagsEnum.SIGNED_STATIC_APPLICATION_DATA_93_KRN).Value;
byte[] authCode = VerifySAD.VerifySSAD(ICCDynamicDataType.DYNAMIC_NUMBER_ONLY, database, capk, sdadRaw);
if (authCode == null)
{
tvr.Value.SDAFailed = true;
tvr.UpdateDB();
}
else
{
TLV dataAuthenticationCode = database.Get(EMVTagsEnum.DATA_AUTHENTICATION_CODE_9F45_KRN);
if (dataAuthenticationCode == null)
{
dataAuthenticationCode = TLV.Create(EMVTagsEnum.DATA_AUTHENTICATION_CODE_9F45_KRN.Tag, authCode);
}
else
{
dataAuthenticationCode.Value = authCode;
}
}
}
//sda done after gen ac 1, call gen ac 1 now with no signature requested
request = CreateGenAC(database, false);
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_GEN_AC_1);
}
tvr.Value.OfflineDataAuthenticationWasNotPerformed = true;
tvr.UpdateDB();
//to do: ceck this, is this correct for a card where no oda is supported
request = CreateGenAC(database, false);
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_GEN_AC_1);
}
public static bool DoOfflineAuth(KernelDatabaseBase database, KernelQ qManager, PublicKeyCertificateManager pkcm)
{
try
{
TLV sdadTLV = database.Get(EMVTagsEnum.SIGNED_DYNAMIC_APPLICATION_DATA_9F4B_KRN);
TLV ssadTLV = database.Get(EMVTagsEnum.SIGNED_STATIC_APPLICATION_DATA_93_KRN);
if (sdadTLV == null && ssadTLV == null)
{
return(false);
}
if (database.Get(EMVTagsEnum.CERTIFICATION_AUTHORITY_PUBLIC_KEY_INDEX_8F_KRN) == null)
{
return(false);
}
CAPublicKeyCertificate capk = pkcm.GetCAPK(RIDEnum.A000000003, database.Get(EMVTagsEnum.CERTIFICATION_AUTHORITY_PUBLIC_KEY_INDEX_8F_KRN).Value[0]);
if (capk == null)
{
return(false);
}
TLV aip = database.Get(EMVTagsEnum.APPLICATION_INTERCHANGE_PROFILE_82_KRN.Tag);
int length = database.StaticDataToBeAuthenticated.Serialize().Length;
if (aip != null && database.IsNotEmpty(EMVTagsEnum.STATIC_DATA_AUTHENTICATION_SDA_TAG_LIST_9F4A_KRN3.Tag))
{
if (2048 - length >= aip.Value.Length)
{
database.StaticDataToBeAuthenticated.AddToList(database.Get(EMVTagsEnum.APPLICATION_INTERCHANGE_PROFILE_82_KRN));
}
else
{
return(false);
}
}
if (sdadTLV != null)
{
TLV card = database.Get(EMVTagsEnum.CARD_AUTHENTICATION_RELATED_DATA_9F69_KRN3);
if (card == null || card.Value[0] != 0x01) //check version number of fdda
{
return(false);
}
byte[] sdadRaw = database.Get(EMVTagsEnum.SIGNED_DYNAMIC_APPLICATION_DATA_9F4B_KRN).Value;
ICCDynamicData iccdd = VerifySAD.VerifySDAD_K3(ICCDynamicDataType.DYNAMIC_NUMBER_ONLY, database, capk, sdadRaw);
if (iccdd == null)
{
return(false);
}
VerifySAD.AddSDADDataToDatabase(database, iccdd);
return(true);
}
if (ssadTLV != null)
{
byte[] sdadRaw = database.Get(EMVTagsEnum.SIGNED_STATIC_APPLICATION_DATA_93_KRN).Value;
byte[] authCode = VerifySAD.VerifySSAD(ICCDynamicDataType.DYNAMIC_NUMBER_ONLY, database, capk, sdadRaw);
if (authCode == null)
{
return(false);
}
TLV dataAuthenticationCode = database.Get(EMVTagsEnum.DATA_AUTHENTICATION_CODE_9F45_KRN);
if (dataAuthenticationCode == null)
{
dataAuthenticationCode = TLV.Create(EMVTagsEnum.DATA_AUTHENTICATION_CODE_9F45_KRN.Tag, authCode);
}
database.AddToList(dataAuthenticationCode);
return(true);
}
return(false);
}
catch
{
return(false);
}
}