public void SetWorkflow(NetworkManagementModel model)
{
if (_partnerState != SimulatorStates.Disconnect)
{
if (model.Mti == "0800" && model.NetMgtInfoCode == "001")
{
_log.Debug("Recieved Log On Request from Host Node");
SetState(SimulatorStates.RecievedSignOnRequest);
}
else if (model.Mti == "0810" && model.NetMgtInfoCode == "001")
{
_log.Debug("Recieved Log On Response from Host Node");
SetState(SimulatorStates.RecievedSignOnResponse);
}
else if (model.Mti == "0820" && model.NetMgtInfoCode == "101")
{
_log.Debug("Recieved Key Exchange Request from Host Node");
SetState(SimulatorStates.RecievedKeyExchangeRequest);
}
else if (model.Mti == "0830" && model.NetMgtInfoCode == "101")
{
_log.Debug("Recieved Key Exchange Response from Host Node");
SetState(SimulatorStates.RecievedKeyExchangeResponse);
}
}
}
private BankRawMessage GenerateZoneKeys(NetworkManagementModel model, HostCryptography hostCrypt)
{
_zoneKeySet1 = hostCrypt.GenerateSetOfZoneKeys(_keKs);
if (_zoneKeySet1["ErrorCode"] == "00")
{
model.Mti = "0820";
model.Stan = _rrnSequence.GetStan;
model.AddtlDataPriv = _zoneKeySet1["ZAK(ZMK)"].Substring(1) +
_zoneKeySet1["ZPK(ZMK)"].Substring(1);
model.Mti = "0820";
model.FwdInstIdCode = 579944;
model.RecvInstIdCode = 61100016;
model.NetMgtInfoCode = "101";
int nodeNumber = model.SecControlInfo;
using (Session2805Data data = new Session2805Data())
{
data.UpdateSession_Send_as2805(_zoneKeySet1["ZPK(LMK)"], _zoneKeySet1["ZPK(ZMK)"],
_zoneKeySet1["ZPK Check Value"], _zoneKeySet1["ZAK(LMK)"], _zoneKeySet1["ZAK(ZMK)"],
_zoneKeySet1["ZAK Check Value"], _zoneKeySet1["ZEK(LMK)"], _zoneKeySet1["ZEK(ZMK)"],
_zoneKeySet1["ZEK Check Value"], nodeNumber.ToString());
_log.Info("GenerateZoneKeys under LMK : ZAK : " + _zoneKeySet1["ZAK(LMK)"] + " ZAK check value : " +
_zoneKeySet1["ZAK Check Value"] + "ZPK : " + _zoneKeySet1["ZPK(LMK)"] +
"ZPK Check Value : " + _zoneKeySet1["ZPK Check Value"]);
}
return(new BankRawMessage(_responseBuilder.NetworkManagementAdviceRequest(model)));
}
_log.Error("0820 _keKs Validation Request Error");
throw new InvalidOperationException("0820 _keKs Validation Request Error");
}
public BankRawMessage GenerateKeyExchangeRequest(NetworkManagementModel model)
{
HostCryptography hostCrypt = new HostCryptography();
_log.Debug("Generating Zone Keys");
return(GenerateZoneKeys(model, hostCrypt));
}
public void FinaliseLogon(NetworkManagementModel model)
{
if (model.RespCode == "00")
{
_log.Info("Log on Successfull");
}
}
void ValidateKeyLogOnResponse(NetworkManagementModel model)
{
if (model.RespCode == "00")
{
_log.Info("Log on Successfull");
}
}
void ValidateKeyLogOnResponse(NetworkManagementModel model)
{
if (model.RespCode == "00")
{
_log.Debug("Logon Completed");
}
}
public BankRawMessage GenerateSignOnResponse(NetworkManagementModel model)
{
HostCryptography hostCrypt = new HostCryptography();
_log.Debug("Generating Validation Response");
return(GenerateValidationResponse(model, hostCrypt));
}
private BankRawMessage TranslateZoneKeys(NetworkManagementModel model, Session2805Data data, HostCryptography hostCrypt)
{
var value = model.AddtlDataPriv;
string zak = value.Substring(0, 32);
string zpk = value.Substring(32);
int node_number = model.SecControlInfo;
_log.Info("Keys received under ZMK. ZAK = " + zak + " and ZPK = " + zpk);
Dictionary <string, string> zoneKeySet2 = hostCrypt.TranslateSetOfZoneKeys(KEKr, zpk, zak, "11111111111111111111111111111111");
if (zoneKeySet2["ErrorCode"] == "00")
{
data.UpdateSession_Recieve_as2805(zoneKeySet2["ZPK(LMK)"], zpk, zoneKeySet2["ZPK Check Value"], zoneKeySet2["ZAK(LMK)"], zak, zoneKeySet2["ZAK Check Value"], zoneKeySet2["ZEK(LMK)"], zoneKeySet2["ZEK Check Value"], node_number.ToString());
_log.Info("Sent keys under LMK : ZAK : " + zoneKeySet2["ZAK(LMK)"] + " ZAK check value : " + zoneKeySet2["ZAK Check Value"] + "ZPK : " + zoneKeySet2["ZPK(LMK)"] + "ZPK Check Value : " + zoneKeySet2["ZPK Check Value"]);
model.Mti = "0830";
model.RespCode = "00";
model.NetMgtInfoCode = "101";
model.AddtlDataPriv = zoneKeySet2["ZAK Check Value"] + zoneKeySet2["ZPK Check Value"];
_log.Info("Sending key exchange response");
return(new BankRawMessage(_responseBuilder.NetworkManagementAdviceResponse(model)));
}
_log.Error("Error Translating Set of Zone Keys");
zoneKeySet2.Clear();
SetState(SimulatorStates.Disconnect);
model.RespCode = "30";
return(new BankRawMessage(_responseBuilder.NetworkManagementAdviceResponse(model)));
}
private void MessageReceived(object sender, MessageEventArgs e)
{
lock (_syncLock)
{
_log.Debug("Geting Incomming Message");
BankRawMessage message = e.Message as BankRawMessage; //Server only accepts Raw messages
if (message != null)
{
BaseModel baseModel = _factory.Create(message.RawBytes);
if (baseModel is NetworkManagementModel)
{
NetworkManagementModel model = baseModel as NetworkManagementModel;
if (model.Mti == "0800" && model.NetMgtInfoCode == "001")
{
_log.Debug("Recieved Log On Request from Host Node");
_log.Debug("sending Sign on Response to Host Node");
_client.SendMessage(_svc.GenerateSignOnResponse(model));
_log.Debug("sending Sign on Request to Host Node");
_client.SendMessage(_svc.GenerateKeyExchangeRequest(model));
}
else if (model.Mti == "0810" && model.NetMgtInfoCode == "001")
{
_log.Debug("Recieved Log On Response from Host Node");
_svc.FinaliseLogon(model);
}
else if (model.Mti == "0820" && model.NetMgtInfoCode == "101")
{
_log.Debug("Recieved Key Exchange Request from Host Node");
_log.Debug("Sending Key Exchange Response to Host Node");
_client.SendMessage(_svc.GenerateKeyExchangeResponse(model));
_log.Debug("Simulator Ready to Accept Transactions");
}
else if (model.Mti == "0830" && model.NetMgtInfoCode == "101")
{
_log.Debug("Recieved Key Exchange Response from Host Node");
_svc.FinaliseKeyExchange(model);
}
}
else if (baseModel.Mti == "0200")
{
_log.Debug("Recieved Key Auth Request from Host Node");
_client.SendMessage(_svc.GenerateAuthorizationResponse(baseModel as AuthorizationRequestModel));
}
else if (baseModel.Mti == "0420")
{
_log.Debug("Recieved Key Reversal Request from Host Node");
_client.SendMessage(_svc.GenerateReversalResponse(baseModel as ReversalRequestModel));
}
}
else
{
_log.Error("Incomming Message:: NULL");
}
}
}
public BankRawMessage GenerateSignOnRequest()
{
NetworkManagementModel model = new NetworkManagementModel();
HostCryptography hostCrypt = new HostCryptography();
_log.Debug("Generating Validation Request");
return(GenerateValidationRequest(model, hostCrypt));
}
public void FinaliseKeyExchange()
{
NetworkManagementModel model = _baseModel as NetworkManagementModel;
using (Session2805Data data = new Session2805Data())
{
ValidateKeyExchangeResponse(model, data);
}
}
private bool FinaliseKeyExchange()
{
NetworkManagementModel model = _lastReceivedMessageFromBank as NetworkManagementModel;
using (Session2805Data data = new Session2805Data())
{
return(ValidateKeyExchangeResponse(model, data));
}
}
public BankRawMessage GenerateKeyExchangeRequest()
{
NetworkManagementModel model = _baseModel as NetworkManagementModel;
using (Session2805Data data = new Session2805Data())
{
HostCryptography hostCrypt = new HostCryptography();
_log.Debug("Generating Zone Keys");
return(GenerateZoneKeys(model, data, hostCrypt));
}
}
public BankRawMessage GenerateSignOnResponse()
{
NetworkManagementModel model = _baseModel as NetworkManagementModel;
using (Session2805Data data = new Session2805Data())
{
HostCryptography hostCrypt = new HostCryptography();
_log.Debug("Generating Validation Response");
return(GenerateValidationResponse(model, data, hostCrypt));
}
}
public byte[] NetworkManagementRequest(NetworkManagementModel msg)
{
if (string.IsNullOrEmpty(msg.Mti) || msg.Mti != "0800")
{
throw new ArgumentException("Mti is not valid for NetworkManagementRequest(0800)");
}
var model = new AS2805Model(msg.Mti);
model.SetField(7, DateTime.Now);
model.SetField(11, msg.Stan);
model.SetField(33, msg.FwdInstIdCode);
model.SetField(48, msg.AddtlDataPriv);
model.SetField(70, msg.NetMgtInfoCode);
model.SetField(100, msg.RecvInstIdCode);
return(model.ToBytes());
}
private void ValidateKeyExchangeResponse(NetworkManagementModel network, Session2805Data data)
{
string value = network.AddtlDataPriv;
string KMACs_KVC = value.Substring(0, 6);
string KPEs_KVC = value.Substring(6);
int node_number = network.SecControlInfo;
_log.Info("KMACs_KVC : " + KMACs_KVC + " KPEs_KVC : " + KPEs_KVC);
if (KMACs_KVC == _zoneKeySet1["ZAK Check Value"] && KPEs_KVC == _zoneKeySet1["ZPK Check Value"])
{
_log.Info("Key exchange successfull. Check values match. ZAK Check value :" + _zoneKeySet1["ZAK Check Value"] + " ZPK Check value : " + _zoneKeySet1["ZPK Check Value"]);
data.UpdateSession_Send_as2805(_zoneKeySet1["ZPK(LMK)"], _zoneKeySet1["ZPK(ZMK)"], _zoneKeySet1["ZPK Check Value"], _zoneKeySet1["ZAK(LMK)"], _zoneKeySet1["ZAK(ZMK)"], _zoneKeySet1["ZAK Check Value"], _zoneKeySet1["ZEK(LMK)"], _zoneKeySet1["ZEK(ZMK)"], _zoneKeySet1["ZEK Check Value"], node_number.ToString());
_log.Info("Log on Successfull");
}
SetState(SimulatorStates.Connected);
}
public void FinaliseKeyExchange(NetworkManagementModel model)
{
string value = model.AddtlDataPriv;
string kmaCsKvc = value.Substring(0, 6);
string kpEsKvc = value.Substring(6);
int nodeNumber = model.SecControlInfo;
_log.Info("KMACs_KVC : " + kmaCsKvc + " KPEs_KVC : " + kpEsKvc);
if (kmaCsKvc == _zoneKeySet1["ZAK Check Value"] && kpEsKvc == _zoneKeySet1["ZPK Check Value"])
{
_log.Info("Key exchange successfull. Check values match. ZAK Check value :" + _zoneKeySet1["ZAK Check Value"] + " ZPK Check value : " + _zoneKeySet1["ZPK Check Value"]);
using (Session2805Data data = new Session2805Data())
{
data.UpdateSession_Send_as2805(_zoneKeySet1["ZPK(LMK)"], _zoneKeySet1["ZPK(ZMK)"], _zoneKeySet1["ZPK Check Value"], _zoneKeySet1["ZAK(LMK)"], _zoneKeySet1["ZAK(ZMK)"], _zoneKeySet1["ZAK Check Value"], _zoneKeySet1["ZEK(LMK)"], _zoneKeySet1["ZEK(ZMK)"], _zoneKeySet1["ZEK Check Value"], nodeNumber.ToString());
}
_log.Info("Log on Successfull");
}
}
private BankRawMessage GenerateValidationRequest(NetworkManagementModel model, HostCryptography hostCrypt)
{
_log.Debug("Building 0800");
//build 0800
var keksValidationRequest = hostCrypt.Generate_KEKs_Validation_Request(_keKs);
if (keksValidationRequest["ErrorCode"] == "00")
{
string krsSent;
keksValidationRequest.TryGetValue("KRs", out krsSent);
model.Mti = "0800";
model.Stan = _rrnSequence.GetStan;
model.FwdInstIdCode = 579944;
model.NetMgtInfoCode = "001";
model.RecvInstIdCode = 61001001;
model.AddtlDataPriv = krsSent;
return(new BankRawMessage(_responseBuilder.NetworkManagementRequest(model)));
}
_log.Error("0800 _keKs Validation Request Error");
throw new InvalidOperationException("0800 _keKs Validation Request Error");
}
private BankRawMessage GenerateValidationResponse(NetworkManagementModel model, HostCryptography hostCrypt)
{
_log.Debug("Building 0810");
//build 0810
var krsReceived = model.AddtlDataPriv;
var validationResponse = hostCrypt.Generate_KEKr_Validation_Response(_keKr, krsReceived);
if (validationResponse["ErrorCode"] == "00")
{
model.Mti = "0810";
model.AddtlDataPriv = validationResponse["KRr"];
model.RespCode = "00";
model.NetMgtInfoCode = "001";
}
else
{
_log.Error("0810 KRr Response Error");
model.RespCode = "30"; //format error
}
return(new BankRawMessage(_responseBuilder.NetworkManagementResponse(model)));
}
public void FinaliseLogon()
{
NetworkManagementModel model = _baseModel as NetworkManagementModel;
ValidateKeyLogOnResponse(model);
}
private void FinaliseLogon()
{
NetworkManagementModel model = _lastReceivedMessageFromBank as NetworkManagementModel;
ValidateKeyLogOnResponse(model);
}
