private static bool DoDEKIfNeeded(KernelDatabaseBase database, KernelQ qManager)
{
TLVList toRemove = new TLVList();
foreach (TLV tlv in database.TagsToReadYet)
{
if (database.IsNotEmpty(tlv.Tag.TagLable))
{
database.Get(EMVTagsEnum.DATA_TO_SEND_FF8104_KRN2).Children.AddToList(tlv);
toRemove.AddToList(tlv);
}
}
foreach (TLV tlv in toRemove)
{
database.TagsToReadYet.RemoveFromList(tlv);
}
if (database.IsNotEmptyList(EMVTagsEnum.DATA_TO_SEND_FF8104_KRN2.Tag) && database.TagsToReadYet.Count == 0)
{
CommonRoutines.PostDEK(database, qManager);
database.Get(EMVTagsEnum.DATA_TO_SEND_FF8104_KRN2).Initialize();
database.Get(EMVTagsEnum.DATA_NEEDED_DF8106_KRN2).Initialize();
return(true);
}
return(false);
}
public static byte[] OWHF2AES_8_3(KernelDatabaseBase database, byte[] c)
{
byte[] oid = new byte[8];
if (database.IsNotEmpty(EMVTagsEnum.DS_SLOT_MANAGEMENT_CONTROL_9F6F_KRN2.Tag) &&
(database.Get(EMVTagsEnum.DS_SLOT_MANAGEMENT_CONTROL_9F6F_KRN2).Value[0] & 0x80) == 0x80 && // Permanent slot type
(database.Get(EMVTagsEnum.DS_ODS_INFO_DF62_KRN2).Value[0] & 0x40) == 0x40 //Volatile slot type
)
{
oid = new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, };
}
else
{
oid = database.Get(EMVTagsEnum.DS_REQUESTED_OPERATOR_ID_9F5C_KRN2).Value;
}
List <byte[]> keyComps = new List <byte[]>();
keyComps.Add(c);
keyComps.Add(oid);
byte[] m = keyComps.SelectMany(x => x).ToArray();
byte[] dsid = database.Get(EMVTagsEnum.DS_ID_9F5E_KRN2).Value;
byte[] y = new byte[11];
Array.Copy(dsid, 0, y, 0, y.Length);//this will be padded
keyComps = new List <byte[]>();
keyComps.Add(y);
keyComps.Add(new byte[] { oid[5], oid[6], oid[7], oid[8] });
keyComps.Add(new byte[] { 0x3F });
byte[] k = keyComps.SelectMany(x => x).ToArray();
Aes aes = Aes.Create();
aes.Key = k;
aes.Mode = CipherMode.CBC;
aes.Padding = PaddingMode.None;
MemoryStream ms = new MemoryStream();
using (CryptoStream cs = new CryptoStream(ms, aes.CreateEncryptor(), CryptoStreamMode.Write))
{
cs.Write(m, 0, m.Length);
}
byte[] t = ms.ToArray();
ms.Dispose();
t = XOR(t, m);
byte[] r = new byte[8];
Array.Copy(t, 0, r, 0, 8);
return(r);
}
private static bool DoDEKIfNeeded(KernelDatabaseBase database, KernelQ qManager)
{
if (database.IsNotEmptyList(EMVTagsEnum.DATA_NEEDED_DF8106_KRN2.Tag) ||
(database.IsNotEmptyList(EMVTagsEnum.DATA_TO_SEND_FF8104_KRN2.Tag)))
{
CommonRoutines.PostDEK(database, qManager);
database.Get(EMVTagsEnum.DATA_TO_SEND_FF8104_KRN2).Initialize();
database.Get(EMVTagsEnum.DATA_NEEDED_DF8106_KRN2).Initialize();
return(true);
}
return(false);
}
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);
}
}
public static SignalsEnum Initiate2ndCardActionAnalysis(KernelDatabaseBase database, KernelQ qManager, CardQ cardQManager, EMVSelectApplicationResponse emvSelectApplicationResponse, bool entryFromScriptProcessingCompleted = false)
{
if (!entryFromScriptProcessingCompleted)
{
//check if scripts need to be run
TLV _71 = database.Get(EMVTagsEnum.ISSUER_SCRIPT_TEMPLATE_1_71_KRN);
if (_71 != null)
{
((KernelDatabase)database).ScriptsToRunBeforeGenAC = BuildScriptList(_71);
if (((KernelDatabase)database).ScriptsToRunBeforeGenAC.Count > 0)
{
((KernelDatabase)database).IsScriptProcessingBeforeGenACInProgress = true;
//post first script
TLV firstScript = ((KernelDatabase)database).ScriptsToRunBeforeGenAC.GetFirstAndRemoveFromList();
EMVScriptCommandRequest scriptRequest = new EMVScriptCommandRequest();
scriptRequest.Deserialize(firstScript.Value);
cardQManager.EnqueueToInput(new CardRequest(scriptRequest, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_SCRIPT_PROCESSING);
}
}
}
APPLICATION_INTERCHANGE_PROFILE_82_KRN aip = new APPLICATION_INTERCHANGE_PROFILE_82_KRN(database);
TERMINAL_CAPABILITIES_9F33_KRN tc = new TERMINAL_CAPABILITIES_9F33_KRN(database);
//section 6.5.5 in Book 3
TLV cdol2 = database.Get(EMVTagsEnum.CARD_RISK_MANAGEMENT_DATA_OBJECT_LIST_2_CDOL2_8D_KRN);
byte[] cdol2Data = CommonRoutines.PackRelatedDataTag(database, cdol2);
REFERENCE_CONTROL_PARAMETER_DF8114_KRN2 rcpST = new REFERENCE_CONTROL_PARAMETER_DF8114_KRN2(database);
rcpST.Value.ACTypeEnum = GetDSACType(database);
if (aip.Value.CDASupported && tc.Value.CDACapable)
{
rcpST.Value.CDASignatureRequested = true;
}
else
{
rcpST.Value.CDASignatureRequested = false;
}
rcpST.UpdateDB();
EMVGenerateACRequest request = new EMVGenerateACRequest(cdol2Data, null, rcpST);
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_GEN_AC_2);
}
private void AddTTL(EMVTagMeta tag, KernelDatabaseBase database)
{
if (database.IsNotEmpty(tag.Tag))
{
Children.AddToList(TLV.Create(tag.Tag, database.Get(tag).Value));
}
}
private static EMVGenerateACRequest DoPart3(KernelDatabaseBase database)
{
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 = GetDSACType(database);
rcpST.Value.CDASignatureRequested = GetODAStatus(database) == 0x80 ? true : false;
rcpST.UpdateDB();
EMVGenerateACRequest request = new EMVGenerateACRequest(database.Get(EMVTagsEnum.CDOL1_RELATED_DATA_DF8107_KRN2), null, rcpST);
return(request);
}
private static SignalsEnum EntryPointDET(KernelDatabaseBase database, KernelRequest kernel1Request, CardQ cardQManager, Stopwatch sw)
{
database.UpdateWithDETData(kernel1Request.InputData);
bool missingPDOLData = false;
TLV _9f38 = database.Get(EMVTagsEnum.PROCESSING_OPTIONS_DATA_OBJECT_LIST_PDOL_9F38_KRN);
TLVList pdolList = TLV.DeserializeChildrenWithNoV(_9f38.Value, 0);
DATA_NEEDED_DF8106_KRN2 dataNeeded = new DATA_NEEDED_DF8106_KRN2(database);
foreach (TLV tlv in pdolList)
{
if (database.IsEmpty(tlv.Tag.TagLable))
{
missingPDOLData = true;
dataNeeded.Value.Tags.Add(tlv.Tag.TagLable);
}
}
dataNeeded.UpdateDB();
if (missingPDOLData)
{
return(SignalsEnum.WAITING_FOR_PDOL_DATA);
}
database.Initialize(EMVTagsEnum.PDOL_RELATED_DATA_DF8111_KRN2.Tag);
CommonRoutines.PackRelatedDataTag(database, EMVTagsEnum.PDOL_RELATED_DATA_DF8111_KRN2, pdolList);
EMVGetProcessingOptionsRequest request = new EMVGetProcessingOptionsRequest(database.Get(EMVTagsEnum.PDOL_RELATED_DATA_DF8111_KRN2));
sw.Stop();
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_GPO_REPONSE);
}
private static EMVGenerateACRequest DoIDSWrite(KernelDatabaseBase database)
{
#region GAC.40
TLVList tags = TLV.DeserializeChildrenWithNoV(database.Get(EMVTagsEnum.DSDOL_9F5B_KRN2).Value, 0);
if (tags.Get(EMVTagsEnum.DS_DIGEST_H_DF61_KRN2.Tag) != null)
#endregion
{
#region GAC.41
if (database.IsPresent(EMVTagsEnum.DS_INPUT_TERM_DF8109_KRN2.Tag))
#endregion
{
#region GAC.42
APPLICATION_CAPABILITIES_INFORMATION_9F5D_KRN2 aci = new APPLICATION_CAPABILITIES_INFORMATION_9F5D_KRN2(database);
TLV dsit = database.Get(EMVTagsEnum.DS_INPUT_TERM_DF8109_KRN2);
TLV dsdh = database.Get(EMVTagsEnum.DS_DIGEST_H_DF61_KRN2.Tag);
if (aci.Value.DataStorageVersionNumberEnum == DataStorageVersionNumberEnum.VERSION_1)
#endregion
{
#region GAC.43
dsdh.Value = OWHF2.OWHF2_8_2(database, dsit.Value);
#endregion
}
else
{
#region GAC.44
dsdh.Value = OWHF2.OWHF2AES_8_3(database, dsit.Value);
#endregion
}
return(DoPart4(database));
}
else
{
#region GAC.45
return(DoPart4(database));
#endregion
}
}
else
{
#region GAC.45
return(DoPart4(database));
#endregion
}
}
public static SignalsEnum DoOnlineProcess(KernelDatabaseBase database, CardQ cardQManager)
{
#region 3.5.1.1
TLV tvr = database.Get(EMVTagsEnum.TERMINAL_VERIFICATION_RESULTS_95_KRN);
if (tvr == null)
{
tvr = TLV.Create(EMVTagsEnum.TERMINAL_VERIFICATION_RESULTS_95_KRN.Tag, new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00 });
database.AddToList(tvr);
}
TLV cdol1 = database.Get(EMVTagsEnum.CARD_RISK_MANAGEMENT_DATA_OBJECT_LIST_1_CDOL1_8C_KRN);
byte[] cdol1RelatedData = CommonRoutines.PackRelatedDataTag(database, cdol1);
EMVGenerateACRequest request = new EMVGenerateACRequest(cdol1RelatedData);
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_GEN_AC_1);
#endregion
}
public static SignalsEnum DoOfflineProcess(KernelDatabaseBase database, CardQ cardQManager)
{
#region 3.4.1.1 and 3.4.1.2
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 request = new EMVInternalAuthenticateRequest(ddolRelatedData);
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
return(SignalsEnum.WAITING_FOR_INTERNAL_AUTHENTICATE);
#endregion
}
public static SignalsEnum DoCommonProcessing(string source, KernelDatabaseBase database, KernelQ qManager, CardQ cardQManager, CardResponse cardResponse)
{
if (database.ActiveAFL == null)
{
return(DoInvalidReponse(database, qManager, L1Enum.NOT_SET, L2Enum.CARD_DATA_ERROR, L3Enum.NOT_SET));
}
else
{
EMVReadRecordRequest request = new EMVReadRecordRequest(database.ActiveAFL.Value.Entries[0].SFI, database.ActiveAFL.Value.Entries[0].FirstRecordNumber);
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
database.NextCommandEnum = NextCommandEnum.READ_RECORD;
}
if (database.IsNotEmptyList(EMVTagsEnum.DATA_NEEDED_DF8106_KRN2.Tag) ||
(database.IsNotEmptyList(EMVTagsEnum.DATA_TO_SEND_FF8104_KRN2.Tag) && database.TagsToReadYet.Count == 0))
{
CommonRoutines.PostDEK(database, qManager);
database.Get(EMVTagsEnum.DATA_TO_SEND_FF8104_KRN2).Initialize();
database.Get(EMVTagsEnum.DATA_NEEDED_DF8106_KRN2).Initialize();
}
return(SignalsEnum.WAITING_FOR_EMV_READ_RECORD_RESPONSE);
}
/*
* S17.2
*/
private static SignalsEnum EntryPointRA(KernelDatabaseBase database, CardResponse cardResponse)
{
if (!cardResponse.ApduResponse.Succeeded)
{
return(SignalsEnum.NONE);
}
if (cardResponse.ApduResponse.ResponseData.Length == 9 &&
cardResponse.ApduResponse.ResponseData[0] == 0x9F &&
cardResponse.ApduResponse.ResponseData[1] == 0x50 &&
cardResponse.ApduResponse.ResponseData[2] == 0x06)
{
byte[] bal = new byte[5];
Array.Copy(cardResponse.ApduResponse.ResponseData, 3, bal, 0, bal.Length);
database.Get(EMVTagsEnum.BALANCE_READ_AFTER_GEN_AC_DF8105_KRN2).Value = bal;
}
return(SignalsEnum.NONE);
}
public static void ProcessingRestrictions(KernelDatabaseBase database)
{
TERMINAL_VERIFICATION_RESULTS_95_KRN tvr = new TERMINAL_VERIFICATION_RESULTS_95_KRN(database);
if (database.IsNotEmpty(EMVTagsEnum.APPLICATION_VERSION_NUMBER_CARD_9F08_KRN.Tag))
{
#region pre.2
string pvnCard = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.APPLICATION_VERSION_NUMBER_CARD_9F08_KRN).Value);
string pvnTerm = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.APPLICATION_VERSION_NUMBER_TERMINAL_9F09_KRN).Value);
if (pvnCard != pvnTerm)
#endregion
{
#region pre.3
tvr.Value.ICCAndTerminalHaveDifferentApplicationVersions = true;
tvr.UpdateDB();
#endregion
}
}
DateTime transactionDate = EMVTagsEnum.TRANSACTION_DATE_9A_KRN.FormatAsDateTime(database.Get(EMVTagsEnum.TRANSACTION_DATE_9A_KRN).Value);
DateTime appExpiryDate = EMVTagsEnum.APPLICATION_EXPIRATION_DATE_5F24_KRN.FormatAsDateTime(database.Get(EMVTagsEnum.APPLICATION_EXPIRATION_DATE_5F24_KRN).Value);
#region pre.4
if (database.IsNotEmpty(EMVTagsEnum.APPLICATION_EFFECTIVE_DATE_5F25_KRN.Tag))
#endregion
{
DateTime appEffectiveDate = EMVTagsEnum.APPLICATION_EFFECTIVE_DATE_5F25_KRN.FormatAsDateTime(database.Get(EMVTagsEnum.APPLICATION_EFFECTIVE_DATE_5F25_KRN).Value);
#region pre.5
if (transactionDate < appEffectiveDate)
#endregion
{
#region pre.6
tvr.Value.ApplicationNotYetEffective = true;
tvr.UpdateDB();
#endregion
}
}
#region pre.7
if (transactionDate > appExpiryDate)
#endregion
{
#region pre.8
tvr.Value.ExpiredApplication = true;
tvr.UpdateDB();
#endregion
}
#region pre.9
if (database.IsEmpty(EMVTagsEnum.APPLICATION_USAGE_CONTROL_9F07_KRN.Tag))
{
return;
}
#endregion
#region pre.10
TERMINAL_TYPE_9F35_KRN tt = new TERMINAL_TYPE_9F35_KRN(database);
ADDITIONAL_TERMINAL_CAPABILITIES_9F40_KRN atc = new ADDITIONAL_TERMINAL_CAPABILITIES_9F40_KRN(database);
APPLICATION_USAGE_CONTROL_9F07_KRN auc = new APPLICATION_USAGE_CONTROL_9F07_KRN(database);
if ((tt.Value.TerminalType.Code == 0x14 || tt.Value.TerminalType.Code == 0x15 || tt.Value.TerminalType.Code == 0x16) &&
atc.Value.IsCash)
#endregion
{
#region pre.12
if (!auc.Value.IsValidAtATMs)
#endregion
{
#region pre.13
tvr.Value.RequestedServiceNotAllowedForCardProduct = true;
tvr.UpdateDB();
return;
#endregion
}
}
else
{
#region pre.11
if (!auc.Value.IsValidAtTerminalsOtherThanATMs)
#endregion
{
#region pre.13
tvr.Value.RequestedServiceNotAllowedForCardProduct = true;
tvr.UpdateDB();
return;
#endregion
}
}
#region pre.14
if (database.IsEmpty(EMVTagsEnum.ISSUER_COUNTRY_CODE_5F28_KRN.Tag))
{
tvr.UpdateDB();
return;
}
#endregion
string tcc = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.TERMINAL_COUNTRY_CODE_9F1A_KRN).Value);
string icc = Formatting.ByteArrayToHexString(database.Get(EMVTagsEnum.ISSUER_COUNTRY_CODE_5F28_KRN).Value);
byte transactionType = database.Get(EMVTagsEnum.TRANSACTION_TYPE_9C_KRN).Value[0];
#region pre.15
if (transactionType == (byte)TransactionTypeEnum.CashWithdrawal ||
transactionType == (byte)TransactionTypeEnum.CashDisbursement)
#endregion
{
#region pre.16
if (tcc == icc)
#endregion
{
#region pre.17
if (!auc.Value.IsValidForDomesticCashTransactions)
#endregion
{
#region pre.19
tvr.Value.RequestedServiceNotAllowedForCardProduct = true;
#endregion
}
}
else
{
#region pre.18
if (!auc.Value.IsValidForInternationalCashTransactions)
#endregion
{
#region pre.19
tvr.Value.RequestedServiceNotAllowedForCardProduct = true;
#endregion
}
}
}
#region pre.20
if (transactionType == (byte)TransactionTypeEnum.PurchaseGoodsAndServices ||
transactionType == (byte)TransactionTypeEnum.PurchaseWithCashback)
#endregion
{
#region pre.21
if (tcc == icc)
#endregion
{
#region pre.22
if (!(auc.Value.IsValidForDomesticGoods || auc.Value.IsValidForDomesticServices))
#endregion
{
#region pre.24
tvr.Value.RequestedServiceNotAllowedForCardProduct = true;
#endregion
}
}
else
{
#region pre.23
if (!(auc.Value.IsValidForInternationalGoods || auc.Value.IsValidForInternationalServices))
#endregion
{
#region pre.24
tvr.Value.RequestedServiceNotAllowedForCardProduct = true;
#endregion
}
}
}
#region pre.25
if (database.IsNotPresent(EMVTagsEnum.AMOUNT_OTHER_NUMERIC_9F03_KRN.Tag))
{
tvr.UpdateDB();
return;
}
if (Formatting.BcdToLong(database.Get(EMVTagsEnum.AMOUNT_OTHER_NUMERIC_9F03_KRN).Value) == 0)
{
tvr.UpdateDB();
return;
}
#endregion
#region pre.26
if (tcc == icc)
#endregion
{
#region pre.27
if (auc.Value.IsDomesticCashbackAllowed)
{
tvr.UpdateDB();
return;
}
#endregion
}
else
{
#region pre.28
if (auc.Value.IsInternationalCashbackAllowed)
{
tvr.UpdateDB();
return;
}
#endregion
}
#region pre.29
tvr.Value.RequestedServiceNotAllowedForCardProduct = true;
tvr.UpdateDB();
#endregion
}
public static ACTypeEnum TerminalActionAnalysis(KernelDatabaseBase database)
{
TERMINAL_VERIFICATION_RESULTS_95_KRN tvr = new TERMINAL_VERIFICATION_RESULTS_95_KRN(database);
ulong tvrAsNumber = Formatting.ConvertToInt64(tvr.Value.Value);
ulong tacAsNumber = Formatting.ConvertToInt64(database.Get(EMVTagsEnum.TERMINAL_ACTION_CODE_DENIAL_DF8121_KRN2).Value);
#region taa.1
if (database.IsNotEmpty(EMVTagsEnum.ISSUER_ACTION_CODE_DENIAL_9F0E_KRN.Tag))
#endregion
{
#region taa.4
ulong iacAsNumber = Formatting.ConvertToInt64(database.Get(EMVTagsEnum.ISSUER_ACTION_CODE_DENIAL_9F0E_KRN).Value);
if (!(
((tacAsNumber | iacAsNumber) & tvrAsNumber) == 0)
)
#endregion
{
#region taa.5
Logger.Log("Declining: !(((tacAsNumber | iacAsNumber) & tvrAsNumber) == 0)):" + ((tacAsNumber | iacAsNumber) & tvrAsNumber));
Logger.Log("tacAsNumber: " + tacAsNumber);
Logger.Log("iacAsNumber: " + iacAsNumber);
int depth = 0;
Logger.Log(tvr.ToPrintString(ref depth));
return(ACTypeEnum.AAC);
#endregion
}
}
else
{
#region taa.2
if (!((tacAsNumber & tvrAsNumber) == 0))
#endregion
{
#region taa.3
Logger.Log("Declining: !((tacAsNumber & tvrAsNumber) == 0)");
Logger.Log("tacAsNumber: " + tacAsNumber);
int depth = 0;
Logger.Log(tvr.ToPrintString(ref depth));
return(ACTypeEnum.AAC);
#endregion
}
}
#region taa.4.1
TERMINAL_TYPE_9F35_KRN tt = new TERMINAL_TYPE_9F35_KRN(database);
if (tt.Value.TerminalType.Code == 0x11 || tt.Value.TerminalType.Code == 0x21 ||
tt.Value.TerminalType.Code == 0x14 || tt.Value.TerminalType.Code == 0x24 ||
tt.Value.TerminalType.Code == 0x34)
#endregion
{
#region taa.4.2
return(ACTypeEnum.ARQC);
#endregion
}
#region taa.6
if (tt.Value.TerminalType.Code == 0x23 || tt.Value.TerminalType.Code == 0x26 ||
tt.Value.TerminalType.Code == 0x36 || tt.Value.TerminalType.Code == 0x13 ||
tt.Value.TerminalType.Code == 0x16)
#endregion
{
#region taa.13
if (database.IsNotEmpty(EMVTagsEnum.ISSUER_ACTION_CODE_DEFAULT_9F0D_KRN.Tag))
#endregion
{
ulong iacDefaultNumber = Formatting.ConvertToInt64(database.Get(EMVTagsEnum.ISSUER_ACTION_CODE_DEFAULT_9F0D_KRN).Value);
ulong taDefaultAsNumber = Formatting.ConvertToInt64(database.Get(EMVTagsEnum.TERMINAL_ACTION_CODE_DEFAULT_DF8120_KRN2).Value);
#region taa.16
if (((iacDefaultNumber | taDefaultAsNumber) & tvrAsNumber) == 0)
#endregion
{
#region taa.18
return(ACTypeEnum.TC);
#endregion
}
else
{
#region taa.17
Logger.Log("Declining: ((iacDefaultNumber | taDefaultAsNumber) & tvrAsNumber) == 0");
Logger.Log("iacDefaultNumber: " + iacDefaultNumber);
Logger.Log("taDefaultAsNumber: " + taDefaultAsNumber);
int depth = 0;
Logger.Log(tvr.ToPrintString(ref depth));
return(ACTypeEnum.AAC);
#endregion
}
}
else
{
#region taa.14
if (tvrAsNumber == 0)
#endregion
{
#region taa.15
return(ACTypeEnum.TC);
#endregion
}
else
{
#region taa.17
Logger.Log("Declining: tvrAsNumber == 0");
int depth = 0;
Logger.Log(tvr.ToPrintString(ref depth));
return(ACTypeEnum.AAC);
#endregion
}
}
}
else
{
#region taa.7
if (database.IsNotEmpty(EMVTagsEnum.ISSUER_ACTION_CODE_ONLINE_9F0F_KRN.Tag))
#endregion
{
ulong iacOnlineNumber = Formatting.ConvertToInt64(database.Get(EMVTagsEnum.ISSUER_ACTION_CODE_ONLINE_9F0F_KRN).Value);
ulong tacOnlineAsNumber = Formatting.ConvertToInt64(database.Get(EMVTagsEnum.TERMINAL_ACTION_CODE_ONLINE_DF8122_KRN2).Value);
#region taa.10
if (((tacOnlineAsNumber | iacOnlineNumber) & tvrAsNumber) == 0)
#endregion
{
#region taa.12
return(ACTypeEnum.TC);
#endregion
}
else
{
#region taa.11
return(ACTypeEnum.ARQC);
#endregion
}
}
else
{
#region taa.8
if (tvrAsNumber == 0)
#endregion
{
#region taa.9
return(ACTypeEnum.TC);
#endregion
}
else
{
#region taa.11
return(ACTypeEnum.ARQC);
#endregion
}
}
}
}
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);
}
}
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);
}
private static SignalsEnum EntryPointACT(KernelDatabaseBase database, KernelRequest kernel1Request, KernelQ qManager, CardQ cardQManager, Stopwatch sw)
{
foreach (TLV tlv in kernel1Request.InputData)
{
if (tlv.Tag.TagLable == EMVTagsEnum.FILE_CONTROL_INFORMATION_FCI_TEMPLATE_6F_KRN.Tag)
{
if (!database.ParseAndStoreCardResponse(tlv))
{
return(CommonRoutines.PostOutcomeWithError(database, qManager, Kernel2OutcomeStatusEnum.SELECT_NEXT, Kernel2StartEnum.C, L1Enum.NOT_SET, L2Enum.PARSING_ERROR, L3Enum.NOT_SET));
}
}
else
{
if ((database.IsKnown(tlv.Tag.TagLable) || database.IsPresent(tlv.Tag.TagLable)) && EMVTagsEnum.DoesTagIncludesPermission(tlv.Tag.TagLable, UpdatePermissionEnum.ACT))
{
database.AddToList(tlv);
}
}
}
database.AddToList(TLV.Create(EMVTagsEnum.UNPREDICTABLE_NUMBER_9F37_KRN.Tag, new byte[] { 0x00, 0x00, 0x00, 0x00 }));
database.Get(EMVTagsEnum.UNPREDICTABLE_NUMBER_9F37_KRN).Value = Formatting.GetRandomNumber();
CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN cvmr = new CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN(database);
cvmr.UpdateDB();
TERMINAL_VERIFICATION_RESULTS_95_KRN tvr = new TERMINAL_VERIFICATION_RESULTS_95_KRN(database);
tvr.UpdateDB();
TERMINAL_CAPABILITIES_9F33_KRN _9f33 = new TERMINAL_CAPABILITIES_9F33_KRN(database);
_9f33.UpdateDB();
database.Initialize(EMVTagsEnum.DATA_NEEDED_DF8106_KRN2.Tag);
database.Initialize(EMVTagsEnum.DATA_TO_SEND_FF8104_KRN2.Tag);
DATA_NEEDED_DF8106_KRN2 dataNeeded = new DATA_NEEDED_DF8106_KRN2(database);
DATA_TO_SEND_FF8104_KRN2 dataToSend = new DATA_TO_SEND_FF8104_KRN2(database);
database.TagsToReadYet.Initialize();
if (database.IsNotEmptyList(EMVTagsEnum.TAGS_TO_READ_DF8112_KRN2.Tag))
{
database.TagsToReadYet.AddListToList(database.Get(EMVTagsEnum.TAGS_TO_READ_DF8112_KRN2).Children);
}
else
{
dataNeeded.Value.AddTag(EMVTagsEnum.TAGS_TO_READ_DF8112_KRN2);
dataNeeded.UpdateDB();
}
bool MissingPDOLDataFlag = false;
TLV _9f38 = database.Get(EMVTagsEnum.PROCESSING_OPTIONS_DATA_OBJECT_LIST_PDOL_9F38_KRN);
TLVList pdolList = TLV.DeserializeChildrenWithNoV(_9f38.Value, 0);
foreach (TLV tlv in pdolList)
{
if (database.IsEmpty(tlv.Tag.TagLable))
{
MissingPDOLDataFlag = true;
dataNeeded.Value.AddTag(tlv.Tag.TagLable);
}
}
dataNeeded.UpdateDB();
if (!MissingPDOLDataFlag)
{
database.Initialize(EMVTagsEnum.PDOL_RELATED_DATA_DF8111_KRN2.Tag);
CommonRoutines.PackRelatedDataTag(database, EMVTagsEnum.PDOL_RELATED_DATA_DF8111_KRN2, pdolList);
EMVGetProcessingOptionsRequest request = new EMVGetProcessingOptionsRequest(database.Get(EMVTagsEnum.PDOL_RELATED_DATA_DF8111_KRN2));
cardQManager.EnqueueToInput(new CardRequest(request, CardinterfaceServiceRequestEnum.ADPU));
}
TLVList toRemove = new TLVList();
foreach (TLV tlv in database.TagsToReadYet)
{
if (database.IsNotEmpty(tlv.Tag.TagLable))
{
database.Get(EMVTagsEnum.DATA_TO_SEND_FF8104_KRN2).Children.AddToList(tlv);
toRemove.AddToList(tlv);
}
}
foreach (TLV tlv in toRemove)
{
database.TagsToReadYet.RemoveFromList(tlv);
}
dataNeeded.UpdateDB();
if (MissingPDOLDataFlag)
{
CommonRoutines.PostDEK(database, qManager);
database.Get(EMVTagsEnum.DATA_TO_SEND_FF8104_KRN2).Initialize();
database.Get(EMVTagsEnum.DATA_NEEDED_DF8106_KRN2).Initialize();
sw.Restart();
return(SignalsEnum.WAITING_FOR_PDOL_DATA);
}
return(SignalsEnum.WAITING_FOR_GPO_REPONSE);
}
public static byte[] OWHF2_8_2(KernelDatabaseBase database, byte[] pd)
{
int pl = database.Get(EMVTagsEnum.DS_ID_9F5E_KRN2).Value.Length;
byte[] dsid = database.Get(EMVTagsEnum.DS_ID_9F5E_KRN2).Value;
byte[] dspkl = new byte[6];
byte[] dspkr = new byte[6];
for (int i = 0; i < 6; i++)
{
dspkl[i] = (byte)(((dsid[i] / 16) * 10 + (dsid[i] % 16)) * 2);
dspkr[i] = (byte)(((dsid[pl - 6 + i] / 16) * 10 + (dsid[pl - 6 + i] % 16)) * 2);
}
byte[] oid = new byte[8];
if (database.IsNotEmpty(EMVTagsEnum.DS_SLOT_MANAGEMENT_CONTROL_9F6F_KRN2.Tag) &&
(database.Get(EMVTagsEnum.DS_SLOT_MANAGEMENT_CONTROL_9F6F_KRN2).Value[0] & 0x80) == 0x80 && // Permanent slot type
(database.Get(EMVTagsEnum.DS_ODS_INFO_DF62_KRN2).Value[0] & 0x40) == 0x40 //Volatile slot type
)
{
oid = new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, };
}
else
{
oid = database.Get(EMVTagsEnum.DS_REQUESTED_OPERATOR_ID_9F5C_KRN2).Value;
}
byte[] kl = new byte[8];
byte[] kr = new byte[8];
for (int i = 0; i < 6; i++)
{
kl[i] = dspkl[i];
kr[i] = dspkr[i];
}
for (int i = 6; i < 8; i++)
{
kl[i] = oid[i - 2];
kr[i] = oid[i];
}
TripleDES des = TripleDES.Create();
List <byte[]> keyComps = new List <byte[]>();
keyComps.Add(kl);
keyComps.Add(kr);
keyComps.Add(kl);
byte[] key = keyComps.SelectMany(x => x).ToArray();
des.Key = key;
des.Mode = CipherMode.CBC;
des.Padding = PaddingMode.None;
byte[] exOrData = XOR(oid, pd);
MemoryStream ms = new MemoryStream();
using (CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write))
{
cs.Write(exOrData, 0, exOrData.Length);
}
byte[] r = ms.ToArray();
ms.Dispose();
return(XOR(r, pd));
}
