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 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);
}