/// <summary> /// 签到校验计算MAC值 /// </summary> /// <param name="macBytes">参与MAC计算的数据</param> /// <param name="DataOut">计算出的MAC值</param> /// <returns>true表示计算成功,否则表示失败</returns> protected virtual bool CalcMacByMackeySign(byte[] macBytes, byte[] MAC) { bool ret = false; ret = CalcMac_CBC_X99(this, macBytes, KeyManager.GetEnMacKey(mSectionName), KeyManager.GetDeMacKey(mSectionName), AlgorithmType.X99, MAC); //AppLog.Write("mac:" + Utility.bcd2str(KeyManager.GetDeMacKey(mSectionName), 16),AppLog.LogMessageType.Debug); return(ret); }
/// <summary> /// 将private改为internal virtual,为了项目不止使用iso8583报文通讯 /// </summary> /// <returns></returns> internal virtual TransResult transact() { int headLen; TransResult ret = TransResult.E_SEND_FAIL; Socket socket = null; if (RealEnv) { if (!GPRSConnect()) { return(ret); } IPAddress ip = IPAddress.Parse(serverIP); IPEndPoint ipe = new IPEndPoint(ip, serverPort); //把ip和端口转化为IPEndPoint实例 socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); try { socket.SendTimeout = sendTimeOut * 1000; socket.ReceiveTimeout = recvTimeOut * 1000; socket.Connect(ipe); } catch (Exception err) { Log.Error(this.GetType().Name, err); return(ret); } } try { ret = TransResult.E_PACKET_FAIL; byte[] SendBytes = new byte[0]; PackFix(); Packet(); if (SendPackage.IsNull()) { return(TransResult.E_INVALID); } byte[] MAC = new byte[8]; //计算mac并将mac打包进去 if (NeedCalcMac()) { byte[] macKey = null; if (EnType == EncryptType.Hardware) { macKey = KeyManager.GetEnMacKey(mSectionName); } else { macKey = KeyManager.GetDeMacKey(mSectionName); } if (macKey == null) { throw new Exception("尚未设置MAC密钥"); } if ((DType == DesType.Des && macKey.Length == 16) || (DType == DesType.TripleDes && macKey.Length == 8)) { throw new Exception("MAC密钥长度不符合DES算法"); } int macField = 64; if (SendPackage.ExistBit(1)) { macField = 128; } SendPackage.SetArrayData(macField, new byte[8]); byte[] tmp = SendPackage.GetSendBuffer(); byte[] macBytes = new byte[tmp.Length - 8]; Array.Copy(tmp, macBytes, macBytes.Length); //Log.Debug(Utility.bcd2str(macBytes, macBytes.Length)); if (CalcMacByMackey(macBytes, MAC)) { SendPackage.SetArrayData(macField, MAC); } else { SendPackage.ClearBitAndValue(macField); throw new Exception("计算MAC失败"); } } SendBytes = SendPackage.GetSendBuffer(); if (SendBytes.Length <= 0) { return(ret); } byte[] head = PackBytesAtFront(SendBytes.Length); headLen = head.Length; int sendLen_all = SendBytes.Length + head.Length; byte[] sendstr_all = new byte[sendLen_all]; Array.Copy(head, sendstr_all, head.Length); Array.Copy(SendBytes, 0, sendstr_all, head.Length, SendBytes.Length); //记录原始发送日志 //CLog.LogPackage(sendstr_all, SendPackage, CLog.LogType.Send); CLog.Info(CLog.GetLog(sendstr_all, SendPackage, this, CLog.LogType.Send)); ret = TransResult.E_SEND_FAIL; if (RealEnv) { int sendLen = 0; sendLen = socket.Send(sendstr_all, sendLen_all, 0); if (sendLen <= 0) { socket.Close(); return(ret); } } //从服务器端接受返回信息 ret = TransResult.E_RECV_FAIL; int recvLen = 0; if (RealEnv) { sRecvBuffer.Initialize(); recvLen = socket.Receive(sRecvBuffer, sRecvBuffer.Length, 0); if (recvLen <= 0) { socket.Close(); return(ret); } byte[] RecvBytes = new byte[recvLen - headLen]; Array.Copy(sRecvBuffer, headLen, RecvBytes, 0, recvLen - headLen); byte[] headBytes = new byte[headLen]; Array.Copy(sRecvBuffer, headBytes, headLen); //解包 ret = TransResult.E_UNPACKET_FAIL; FrontBytes = headBytes; HandleFrontBytes(headBytes);//根据报文头来判断是否要下载密钥 RecvPackage.ParseBuffer(RecvBytes, SendPackage.ExistValue(0)); CLog.Info(RecvBytes); //记录原始接收日志 byte[] logRecv = new byte[recvLen]; Array.Copy(sRecvBuffer, logRecv, recvLen); //CLog.LogPackage(logRecv, RecvPackage, CLog.LogType.Recv); CLog.Info(CLog.GetLog(logRecv, RecvPackage, this, CLog.LogType.Recv)); bool nRet = UnPackFix(); if (!mInvokeSetResult) { throw new Exception("should invoke SetRespInfo() in UnPackFix()"); } mInvokeSetResult = false; if (nRet) { ret = TransResult.E_SUCC; } else { ret = TransResult.E_HOST_FAIL; } } else { ret = TransResult.E_SUCC; } } catch (System.Exception ex) { Log.Error(this.GetType().Name, ex); } finally { if (socket != null && socket.Connected) { socket.Close(); } } return(ret); }
/// <summary> /// 计算MAC值 /// </summary> /// <param name="macBytes">参与MAC计算的数据</param> /// <param name="DataOut">计算出的MAC值</param> /// <returns>true表示计算成功,否则表示失败</returns> protected virtual bool CalcMacByMackey(byte[] macBytes, byte[] MAC) { bool ret = false; switch (AlType) { case AlgorithmType.ECB: ret = CalcMac_ECB(this, macBytes, KeyManager.GetEnMacKey(mSectionName), KeyManager.GetDeMacKey(mSectionName), MAC); break; case AlgorithmType.CBC: case AlgorithmType.X99: ret = CalcMac_CBC_X99(this, macBytes, KeyManager.GetEnMacKey(mSectionName), KeyManager.GetDeMacKey(mSectionName), AlType, MAC); break; } return(ret); }